KFS-576A Maintenance Manual

MAINTENANCEMANUAL

KFS 576ACONTROL UNIT

Manual Number 006-15718-0000Revision 0, Apr/2007

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KFS 576A

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The documents and information contained herein ("the Materials") are the proprietary data ofHoneywell International Inc. and Honeywell Intellectual Properties Inc (collectively "Honeywell").These Materials are provided for the exclusive use of Honeywell Service Centers;Honeywell-authorized repair facilities; operators of Honeywell aerospace products subject to anapplicable product support agreement, their wholly owned-subsidiaries or a formally designatedthird party service provider thereunder; and direct recipients of Materials from Honeywell'sAerospace Technical Publication Distribution. The terms and conditions of this License Agreementgovern your use of these Materials, except to the extent that any terms and conditions of anotherapplicable agreement with Honeywell regarding the operation, maintenance, or repair of Honeywellaerospace products conflict with the terms and conditions of this License Agreement, in which casethe terms and conditions of the other agreement will govern. However, this License Agreement willgovern in the event of a conflict between its terms and conditions and those of a purchase order oracknowledgement.

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KFS 576A

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Copyright 2007 Honeywell International Inc. All rights reserved.

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KFS 576AREVISION HIGHLIGHTS

Part Number Rev Date Description

006-15718-0000 0 Apr/2007 Original Issue.

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KFS 576AREVISION HIGHLIGHTS

Part Number Rev Date Description

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KFS 576ATABLE OF CONTENTS

SECTION 4THEORY OF OPERATION

4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14.2 GENERAL CIRCUIT THEORY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14.2.1 CONTROL UNIT INPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14.2.2 FUNCTION SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14.2.3 CODE SELECTOR SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24.2.4 IDENT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24.2.5 OPERATING VOLTAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24.2.6 EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24.2.7 MULTIPLEX AND DISPLAY CIRCUITRY . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24.2.8 CLOCK, STROBE AND SERIAL DATA OUTPUTS. . . . . . . . . . . . . . . . . . . . 4-34.2.9 TRANSPONDER SELECT SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34.2.10 429 BUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34.3 DETAILED CIRCUIT THEORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34.3.1 POWER SUPPLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34.3.1.1 +5 VOLT REGULATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-34.3.1.2 HIGH VOLTAGE CURRENT LIMITER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44.3.2 MICROPROCESSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44.3.2.1 ALTITUDE INPUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44.3.2.2 REPLY INPUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44.3.2.3 CLOCK, STROBE AND SERIAL DATA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44.3.2.4 MODE A/B SELECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54.3.2.5 429 BUS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54.3.2.6 EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-64.3.2.7 MICROPROCESSOR RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-64.3.2.8 SWITCH INPUTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-64.3.3 DISPLAY CIRCUITRY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-74.3.3.1 ANODE AND CATHODE DRIVERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-74.3.3.2 AUTOMATIC DIMMING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8

SECTION 5MAINTENANCE

5.1 GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15.2 TEST AND ALIGNMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15.2.1 TEST EQUIPMENT REQUIRED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15.2.2 DESCRIPTION OF KFS 576A TEST PROGRAM . . . . . . . . . . . . . . . . . . . . . 5-25.2.3 ALIGNMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35.2.4 FINAL TEST. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35.2.4.1 ON/OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-55.2.4.2 DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-55.2.4.3 FLIGHT LEVEL (FL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-55.2.4.4 IDENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-65.2.4.5 CODE SELECTOR SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

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KFS 576ATABLE OF CONTENTS

5.2.4.6 EMERGENCY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-75.2.4.7 REPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-75.2.4.8 DIMMING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-75.2.4.9 EXTERNAL STANDBY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-75.2.4.10 CONTROL DISABLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-75.2.4.11 NON VOLATILE MEMORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-75.2.4.12 CHANNELING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-85.2.4.13 429 I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-85.2.4.14 VFR CODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-95.2.4.15 UNIT STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-95.2.4.16 FINAL TEST DATA SHEET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-105.3 OVERHAUL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-125.3.1 VISUAL INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-125.3.3 REPAIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-145.3.4 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-155.3.4.1 COVER REMOVAL (047-5021-02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-155.3.4.2 MICROPROCESSOR BOARD REMOVAL (200-6580-XX) . . . . . . . . . . . . . 5-155.3.4.3 FRONT COVER/SWITCH BOARD REMOVAL

(088-1166-XX/200-6589-XX) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-155.3.4.4 DRIVER BOARD REMOVAL (200-6626-XX) . . . . . . . . . . . . . . . . . . . . . . . 5-165.3.4.5 ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-165.4 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16

SECTION 6ILLUSTRATED PARTS LIST

6.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16.2 BILL OF MATERIAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

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KFS 576ALIST OF FIGURES

Figure 4-1 KFS 576A Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11Figure 4-2 Waveform and Timing Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13Figure 4-3 Serial Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14Figure 4-4 Display Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15Figure 5-1 Test Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4Figure 5-2 KFS 576A Troubleshooting Flowchart. . . . . . . . . . . . . . . . . . . . . . . . 5-17Figure 5-2 KFS 576A Troubleshooting Flowchart. . . . . . . . . . . . . . . . . . . . . . . . 5-19Figure 6-1 Typical Bill of Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5Figure 6-2 Final Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17Figure 6-3 Final Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-19Figure 6-4 I/O Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29Figure 6-5 I/O Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-31Figure 6-6 I/O Board Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-33Figure 6-6 I/O Board Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-35Figure 6-7 Microprocessor Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-41Figure 6-8 Microprocessor Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-43Figure 6-9 Microprocessor Board Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-45Figure 6-10 Microprocessor Board Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-47Figure 6-11 Switch Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-55Figure 6-12 Switch Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-57Figure 6-13 Switch Board Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-59Figure 6-14 Driver Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-65Figure 6-15 Driver Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-67Figure 6-16 Driver Board Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-69

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KFS 576A

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KFS 576A

SECTION 4THEORY OF OPERATION

4.1 INTRODUCTION

The KFS 576A is the cockpit-mounted Control Unit for the KXP 756 Transponder. Itperforms three main functions. First, that of converting switch inputs and information fromthe optional encoding altimeter into a serial data format and sending it to the transponder.Second, displaying the selected transponder code and mode of the transponder for thepilot via the gas-discharge display. Third, communicating status with an external unit viathe 429 bus.

4.2 GENERAL CIRCUIT THEORY

4.2.1 CONTROL UNIT INPUTS

The Control Unit signal inputs consist of the External Ident, Mode A/Mode B select, tenaltitude (Mode C) inputs, 1/2 select, Master/Slave select, Emergency, Control Disable,External Standby and Reply input from the transponder.

The External Ident input permits a remotely mounted switch to perform the same functionas the Ident Button on the Control Unit. The Mode A/Mode B select input changes a bitin the serial data informing the transponder whether to reply to Mode A or Mode Binterrogations. The altitude inputs are provided by an encoding altimeter. These inputsare serialized and transmitted to the transponder.

The 1/2 select input determines the unit designation in a dual unit system. When the unitis designated a Master it initiates communications on the 429 bus. When it is a Slave itresponds to interrogation on the 429 bus. When the Emergency input is active the codeis replaced by 7700 when the cursor switch is held in for over 3 seconds. ActivatingControl Disable disables all the switch functions except the VFR Code recall. When theExternal Standby input is active the unit keeps the transponder in Standby mode.

When the transponder is replying, it sends a signal to the Control Unit causing an “R” tobe illuminated on the display.

4.2.2 FUNCTION SWITCH

The switch is continuously rotatable in both directions and is used to select the desiredmode of operation of the transponder. Nomenclature on the display indicates the positionof the Function Switch.

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KFS 576A

4.2.3 CODE SELECTOR SWITCH

This switch is continuously rotatable in both directions and is used to change thetransponder reply code. Momentarily depressing the switch knob changes the position ofthe cursor. The cursor points to the digit that will change when the Code Selector Switchis rotated. The cursor moves from left to right only.

If the Code Selector Switch is held in continuously for approximately 3 seconds, thetransponder code will change to the VFR code and the cursor will return to the leftmostposition.

4.2.4 IDENT SWITCH

Pressing the Ident Switch results in an ident pulse being sent to the transponder via theserial data line. This causes the transponder to transmit the SPI (Special PositionIdentification) pulse for approximately 23 seconds. The IDT nomenclature on the display,lights for approximately 23 seconds to indicate the transmission to the SPI pulse. Thesame action results when the External Ident input is activated.

4.2.5 OPERATING VOLTAGES

All operating voltages, -26, +9.3 and +190V for the KFS 576A are externally supplied bythe KXP 756 transponder. The +9.3V input is used to generate the +5V source by meansof an I.C. regulator. The +190V is used to drive the gas discharge display. The -26V isregulated to -10V for the 429 circuitry.

The KFS 576A is supplied in either a +5V or +28V bezel lighting version.

4.2.6 EEPROM

An indicator without mechanical code selector switches is unable to “remember” itsselected code when power is removed. To provide this feature an EEPROM is used. TheElectrically Erasable Programmable Read Only Memory (EEPROM) “remembers” thetransponder code when power is removed from the Control Unit. The code isautomatically recalled from the EEPROM when power is applied to the Control Unit.

4.2.7 MULTIPLEX AND DISPLAY CIRCUITRY

The KFS 576A uses a multiplexed gas-discharge display. The anodes of the display areenergized sequentially. The data to be displayed on the cathodes is outputtedsynchronously with the clocking of the anodes. Each anode is energized forapproximately 1 out of every 8msec.

A photodetector activates the automatic dimming circuit and is used to adjust the display brightness in response to variations in ambient light levels.


KFS 576A

4.2.8 CLOCK, STROBE AND SERIAL DATA OUTPUTS

As previously stated, all information inputted to the Control Unit is sent to the transponderin a serial data format. The Serial Data output contains all the information needed by thetransponder to reply properly to an interrogation. The Strobe output indicates to thetransponder the end of a valid sequence of serial data. The clock occurs only after aparticular bit of data has stabilized on the Serial Data output causing the transponder toaccept that particular bit of data.

4.2.9 TRANSPONDER SELECT SWITCH

A Transponder Select Switch is installed on some versions of the KFS 576A and permitsa single Control Unit to select one of two remote mounted transponders. This switch doesnot affect the operation of the indicator in any way other than determining whichtransponder is operational.

4.2.10 429 BUS

The 429 Bus is used to communicate Control Unit status with external units.

4.3 DETAILED CIRCUIT THEORY

The following is a detailed description of the KFS 576A circuit operation. The referencedschematics and timing diagrams should be used as an aid in understanding the theory.

The following table lists component designators and the schematics on which they arefound:

Component Designations Schematic

101-199 I/O Board201-299 Processor Board301-399 Driver Board401-499 Switch Board

4.3.1 POWER SUPPLY

All operating voltages for the KFS 576A are externally provided (by the KXP 756Transponder).

4.3.1.1 +5 VOLT REGULATOR

I307 uses the +9.3 volt input to provide a +5 volt regulated output that is used to powerthe logic devices in the Control Unit. C311 provides filtering for the +5 volt line.


KFS 576A

4.3.1.2 HIGH VOLTAGE CURRENT LIMITER

Q303 limits the current drawn from the +190 volt line to approximately 25mA. Thisprovides protection for the anode and cathode drivers (I301, I302 and I303) and the gasdischarge display in the event of a momentary short inside the display.

4.3.2 MICROPROCESSORS

I202 and I203 are 8-bit, single chip microprocessors that control most of the operations inthe Control Unit. A detailed description of the internal operation of the microprocessors ortheir interaction is not required for maintenance and is beyond the scope of this manual.Proper microprocessor operation is best determined by inputting of specific informationand checking to see that the proper output is present.

4.3.2.1 ALTITUDE INPUTS

Ten input lines from an encoding altimeter supply altitude information to the Control Unit.This data is then serialized and outputted to the transponder. The ten lines are multiplexedby I101 and I102. The multiplexed output from I101 and I102 is sent to microprocessorI202 pin 39 via J102 pin 16.

4.3.2.2 REPLY INPUT

When the transponder replies to an interrogation, it sends a signal to the KFS 576A. Asthis signal falls below 2.5 volts it caused pin 1 of I204 to go low, which pulls pin 1 of I203low. I203 subsequently causes the "R" nomenclature on the gas discharge to lightindicating a transponder reply. A time delay in I203 causes the "R" to remain lit for about250 msec after the Reply input returns to the high state.

4.3.2.3 CLOCK, STROBE AND SERIAL DATA

Figure 4-2 Waveform and Timing Diagram shows typical clock, strobe and serial datawaveforms. The clock and strobe lines are used by the transponder to decode the serialdata information.

Serial data is outputted from board 1 via board 2 to J5761-23. This data consists of 32continuously repeating bits of information, each bit approximately 1 msec wide. The levelof a particular bit, either high or low, represents some bit of information that must be sentfrom the KFS 576A to the transponder.

For example,if the IDENT switch is pushed, the IDENT bit of serial data is low. Conversely, if the IDENTswitch is not being pushed, the IDENT bit in the serial data is high. Figure 4-3 Serial Datashows the serial data and the information associated with each bit.


KFS 576A

Refer again to Figure 4-2 Waveform and Timing Diagram and notice the time relationshipbetween the clock, strobe and serial data signals. The clock signal occurs only after thedata bit has stabilized at which time the clock goes high. The data bit level during the risingedge determines what value of data will be "seen" by the transponder. After 32 bits ofserial data have been transmitted, the strobe occurs which indicates the end of a 32 bitsegment of data and the beginning of a new 32 bit segment.

Q201, Q202, and Q203 invert and level shift the DATA STROBE, CLOCK BUS, andDATA BUS lines from I203 respectively. The output from Q201 is P201 pin 6, Q202 isP201 pin 13, and Q203 is P202 pin 19.

4.3.2.4 MODE A/B SELECT

Grounding pin 9 of J5761 causes the A/B bit of the serial data to go low. This results inthe transponder replying only to Mode B and Mode C interrogations. When pin 9 of J5761is open to the A/B bit is high and the transponder replies only to Mode A and Mode Cinterrogations. Without a transponder, this bit can be checked by observing the serial datawhile pin 9 of J5761 is grounded and opened.

4.3.2.5 429 BUS

When 429 data is received on J5762-1 and 2 it is buffered by I103A. The output of I103Ais level shifted by R141 and R213. If the signal level is greater than 7.6 volts I206B pullsTP207 low interrupting the microprocessor I202. If the signal level is less than 3 voltsI207A pulls TP207 low. When TP207 goes low TP208 reflects the state of the 429 data bitreceived so the microprocessor can read it on I202-1.

When the microprocessor I202 transmits data on the 429 bus it first turns on the 429 busdrivers by pulling I202-38 low. The 429 bus drivers are composed of Q107 thru Q110 andassociated components which supply +5, -10, and +9.3 volts to drive the 429 data buscomponents. Data is outputted on I202-33, 34. These two data lines are inverted by Q105and Q106. These two signals are differentially amplified by I104A and I105A. The outputof I105A is the inverse of I104A.

When I202-33 and 34 are both high, J5762-1 and 2 are both 0 volts. When I202-33 is highand I202-34 is low J5762-1 is -5 volts and J5762-2 is +5 volts. When I202-33 is low andI202-34 is high J5762-1 is +5 volts and J5762-2 is -5 volts.

When the microprocessor is finished transmitting a 32 bit word it turns off the 429 busdrivers by pulling I202-38 high.


KFS 576A

4.3.2.6 EEPROM

I201 is an Electrically Erasable Programmable Read Only Memory (EEPROM). Datastored in memory I201 can only be erased electrically and remains stored even whenpower is removed. I201 has a RAM space that is bit for bit mapped over the EEPROM.Pin 11 controls reading and writing to the device RAM. Pin 9 of the EEPROM is the storeline. When I201-9 goes low the contents of the RAM are stored in EEPROM. When poweris applied to the control unit R212 and C201 hold I201-10 low for a short time after the 5volt line is valid. This results in a power on recall from EEPROM to RAM of the last codethat was programmed so the microprocessor can read it.

To prevent the EEPROM from being needlessly updated, the microprocessors waitapproximately 3 seconds after a digit has changed and if another digit does not changewithin that time, it updates the EEPROM with the new code.

4.3.2.7 MICROPROCESSOR RESET

Pin 4 of both I202 and I203 are the reset inputs for the microprocessors and are usedwhen power to I202 and I203 are interrupted. Pin 4 of I202 and I203 are held at +5V duringnormal operation. When a power interruption occurs, I202-4 and I203-4 must be broughtto ground before power is reapplied. Pin 4 must then slowly rise to +5V. I204B senses adrop in the 9.3 volt supply and pulls pin 4 of I202 and I203 low. When power is reapplied,I204B pulls I202-4 and I203-4 low and then allows them to slowly rise to +5 volts throughan external capacitor C208.

4.3.2.8 SWITCH INPUTS

Pins 21, 22, 23 and 24 of I203 are the inputs to the microprocessor from the Functionselector, Code selector, Ident, and Cursor switch. The DATA SEL and DATA SEL signalsare complements of each other. Only one of the two signals can be low at a time. Thisenables the use of only four pins of I203 to input eight different sources of informationthrough a multiplexing scheme. The Code selector switch is connected to E401 DATASEL and the Function Switch to E402 DATA SEL. I203 alternately changes pin 17 fromlow, to check the status of the FUNCTION and IDENT SWITCH to high, to check thestatus of the CODE and CURSOR switches. The status of each switch is read by settingthe appropriate DATA SEL line to low and checking the status of pins 21, 22, 23, and 24.I203 Pins 21 thru 23 are connected to the FUNCTION/CODE switches and I203 Pin 24 isthe IDENT/CURSOR line. I203 interprets a low input to pin 21, 22, 23, or 24 during thetime DATA SEL is low as an input from the Function and Ident Switches. A low on pins21, 22, 23 or 24 of I203 during the time DATA SEL is low will be interpreted as an inputfrom the Code Selector and Cursor Switches.


KFS 576A

4.3.3 DISPLAY CIRCUITRY

The KFS 576A display circuitry consists of a gas discharge display and associatedmultiplexing and driving circuitry. This circuit sequentially fires the eight anodes andenergizes the proper cathodes. Refer to Figure 4-4 Display Timing Diagram for displaytiming information. In addition, a programming current proportional to the ambient lightlevel is supplied to the cathode drivers to provide automatic dimming of the gas dischargedisplay.

To insure proper display functioning under all ambient light and temperature conditions,two keep-alive anodes inside the gas discharge display (DS103) are continuously ionized.The keep-alive anodes connect to +190 volts through R401 and R402 and the keep-alivecathodes connect to ground through R323 and R324.

4.3.3.1 ANODE AND CATHODE DRIVERS

The gas discharge display consists of 8 anodes and 13 cathode buses. Four of theanodes are associated with the 7-segment digits and their cursors. The remaining fouranodes are used with the nomenclature.

Each cathode bus is connected to the particular segment of a digit, a cursor, or one letterin the nomenclature. The corresponding segments of each digit are wired together to formthe "a", "b", "c", "d", "e", "f" and "g" buses. For example, the "a" cathode bus (pin 11 ofDS103) is connected to the top segment of all four digits. All of the cursors are wiredtogether to form the "h" cathode bus. Cathode buses "i”, "j", "k", "l" and "m" are associatedwith letters in the nomenclature and they are formed in a similar manner.

There is approximately +100 volts on the anodes of the display when they are not beingfired, while the cathodes are approximately +70 volts. This +30 volt differential is notenough to ionize the gas and illuminate a display cathode segment. The correspondinganode must be pulled high (about +190 volts) by I302 and the cathode must be pulled low(about +15 volts) by I301 or I303. Once the segment is ionized the cathode voltageincreases to about +35 volts and the resulting +155 volts between the anode and cathodeis sufficient to sustain the ionization and illuminate a cathode segment.

The anodes of the display are driven by I302 and fired sequentially in the following order:2, 8, 3, 6, 4, 1, 5, 7. A high on an input of I302 raises the corresponding output from about+100 volts to about +190 volts. Anode driver I302 is driven by I304, an eight bit Johnson(ring) counter.


KFS 576A

Only one output of I304 is high at a time which results in only one anode being energizedat a time. An output of I304 goes high on the rising edge of the clock bus line and remainshigh until the next rising edge at which time the next anode in the sequence is energized.The anode voltage, which is applied to I302-10, is turned on and off with the cathode byQ304 and Q305. As a result, if a segment is to be energized, the anode and cathodevoltages are switched on and off together. Like the cathode voltage, the amount of timethe anode voltage remains is dependent on the ambient light level.

A Multiplex SYNC signal, P301-6, synchronizes the output of I304 with the data presenton the cathode buses. This signal forces anode #2 to go high in the event I304 is falselytriggered and anode #2 is not already high, thus keeping the anode synchronous with thecathode data.

The cathode firing sequence is such that a cathode associated with a digit is energizedfollowed by an anode associated with a nomenclature in a continuous manner. I303 drivesthe nomenclature cathode buses while I301 drives the digit cathode buses. A high on theinput of I303 pulls the corresponding output from about +70 volts to about +10 volts. Thiswill cause ionization of the gas if the associated anode is energized at the same time.Some inputs and outputs of I303 are paralleled to provide increased driving current for thelarger cathode segments in the nomenclature.

I301 functions similar to I303 except that it contains a BCD to 7-segment decoder. InputsD1, D2, D3, D4 and D8 contain bits 1, 2, 4 and 8 of the Binary Coded Decimal digit that isto be displayed. The decoder determines which cathode buses should be pulled low todisplay the digit. For example, if the digit "3" (binary 0011) is to be displayed as theleftmost digit, pins 4 and 5 of I301 are low while pins 2 and 3 of I301 are high. The decoderinterprets this input as a three and pulls cathodes "a", "b", "c", "d" and "g" low. If anode #2is energized a three will illuminate as the leftmost digit.

The cursors in the display are energized by a low on I301-10 which pulls the "h" cathodebus low. Note that this input is different from all the others since a low signal pulls thecathode bus low. Q304 and Q305 form a voltage divider that supplies approximately +95volts to the driving circuitry.

4.3.3.2 AUTOMATIC DIMMING

The brightness of the gas discharge changes in response to varying ambient light assensed by photodetector V401. Dimming is accomplished by varying both the duty cycleand the amplitude of the cathode driving current.

A square wave present at TP302 varies its duty cycle as a function of ambient light. Thisis accomplished by means of a one-shot (I305), a constant current source (I306B) and aphotodetector (V401). The current output of I306B decreases as the increasing ambientlight level lowers the resistance of V401. This variable current varies the rate of charge ofC308. The time constant of I305 is determined by the rate of charge of this capacitor. Theminimum time constant is approximately 80 usec and can be adjusted by R327.


KFS 576A

As ambient light increases the pulse width at TP302 continues to increase. This pulsebegins when the clock bus line on I305-2 and 4 goes high and triggers the one-shot andends at the time determined by the rate of charge of C308. The maximum pulse width canbe no longer than the time between the rising and falling edge of the clock bus line,approximately 1msec. This is because a low on I305-2 and 4 forces I305 to reset causingthe output of I305 pin 3 change from high to low.

The output of I305 is filtered by R314 and C301 to form a DC voltage proportional to theduty cycle of the square wave. This DC voltage is applied to I306A which is used as avoltage-to-current converter. The output of I306A is a current that is proportional to thevoltage on C301. CR302 shunts this current to ground when the signal at TP302 is lowresulting in a cathode driving current that varies in amplitude and duty cycle. R310 limitsthis current to the value required by cathode drivers I301 and I306.

Each output of I301 and I303 acts as a constant current source. This source current isproportional to the current applied to pin 1 of I301 and I303. Since the programmingcurrent at pin 1 of the I.C.'s varies in amplitude and duration the cathode current is alsovaried and the brightness of the gas discharge display changes in response to ambientlight level.

A line from I203 microprocessor pin 17 is outputted to I205A inverter which is sent to P301pin 7 “DIM 1” and I205A which inverts the signal and outputs it to P301 pin 11 “DIM 2”.DIM 2 is the inverse of the DIM 1. DIM 1 switches Q301 on allowing I301 to source currentwhile DIM 2 switches Q302 off so I303 cannot source current. On the next falling edge ofDATA SEL line I203 pin 17 the signals are inverted and I303 sources current and I301does not.


KFS 576A


KFS 576A


Figure 4-1 KFS 576A Block Diagram(Dwg No 696-06837-0000 Rev 0)

KFS 576A


KFS 576A

Figure 4-2 Waveform and Timing Diagram


KFS 576A

Figure 4-3 Serial Data(Dwg No 696-06838-0000 Rev 0)


KFS 576A

Figure 4-4 Display Timing Diagram(Dwg No 696-06828-0001 Rev 0)


KFS 576A


KFS 576A

SECTION 5MAINTENANCE

5.1 GENERAL INFORMATION

This section contains test, alignment, inspection, cleaning, disassembly/assembly andtroubleshooting procedures for the KFS 576A Transponder Control Unit.

5.2 TEST AND ALIGNMENT

The preferred method of testing the KFS 576A Transponder Control Unit is using eitheran APPLE //e or an APPLE ][ PLUS or equivalent personal computer with a disk drive,48K or memory and a monitor. The following procedure describes how to prepare theKFS 576A for testing. Refer to the test setup illustration in Figure 5-1 Test Setup.

5.2.1 TEST EQUIPMENT REQUIRED

A. Power supply: +28 VDC @ 5A Sorensen PTM 28-6.0 or equivalent

B. Oscilloscope: Tektronics 465 or equivalent

C. Digital voltmeter: Fluke 8000A or equivalent

D. Apple test system:

1. Apple //e or Apple ][ plus with 48 K memory or equivalent.

2. Apple Disk ][ and controller card, 5 1/4 inch or equivalent.

3. Video monitor.

E. KCT 110 Test Set, PN 050-02260-0010, which contains:

1. KCA 110 Test set Adapter, PN 071-05084-0000.

2. KFS 564/A Test disk, PN 222-00002-0000.

3. KFS 586/A Test disk, PN 222-00003-0000.

4. KFS 579/A Test disk, PN 222-00004-0000.

5. KFS 576/A Test disk, PN 222-00005-0000.

6. KFS 598/A Test disk, PN 222-00006-0000.


KFS 576A

F. Async Card Kit, PN 050-02605-0000, which contains:

1. Async card, PN 200-07157-0000.

2. Async cable P1, PN 155-05664-0016.

3. Async cable P2, PN 155-05664-0006.

4. Async cable P3, PN 155-05664-0012.

G. Sync Card Kit, PN 050-02606-0000, which contains:

1. Sync card, PN 200-07164-0000.

2. Sync cable P2, PN 155-05664-0007.

3. Sync cable P3, PN 155-05664-0017.

5.2.2 DESCRIPTION OF KFS 576A TEST PROGRAM

Testing of the KFS 576A requires the ability to receive and display the King serial datamessages which are used to set up the mode of the KXP 756 transponder. It is alsonecessary to send a selected, as well as display a received, ARINC 429 serial datamessage. The ARINC 429 serial data message is used to communicate between masterand slave KFS 576A’s in a tandem installation or a KFS 576A and a KNS 660 system forfrequency management.

The KCT 110 computer test system used in conjunction with an Apple or Apple equivalentcomputer system, as described in section 5.2.1. will provide all of the necessary serialinterface and control function interface to the KFS 576A . The KCT 110 consists of two PCboards which will be inserted in the appropriate card slots of the computer. The KCA 110interface box contains break out of necessary test points, four cables which connect theKFS 576A and the KCA 110 interface box to the computer, and a floppy disk containingthe test program. The KCA 110 will supply power to the control unit.

The KFS 576A test program is set up to follow the test procedures and test data sheet insection 5.2.4. of this manual. The test program will ask for the specific part number of thecontrol unit to be tested, so that a menu of tests can be displayed on the screen. Once themenu is displayed you may choose to step through in sequence, filling out a test datasheet and completing a final test data sheet, or go directly to a specific test in an attemptto verify a complaint or performance of a unit function. The last step on the menu, unitstatus, is not part of the final test procedure. The unit status portion of the programdisplays all functions except auto dim override and ARINC 429. The unit status will bevaluable for trouble-shooting the commonly used functions of a KFS 576A.


KFS 576A

5.2.3 ALIGNMENT

A. Display dimming is the only adjustment necessary for the KFS 576A.

B. To adjust the brightness, connect an oscilloscope to TP 302. Cover thephotodetector with an opaque material. A finger is not opaque and will not blocksufficient light to correctly set the brightness. Adjust R 327 until the pulse widthis 80us wide. Remove opaque material from detector.

5.2.4 FINAL TEST

The following tests (in the KFS 576A Test Program) should be run to determine if the KFS576A is operating properly. If it is not, refer to the alignment and troubleshooting sectionsof this manual for guidance in locating the problem.

TEST SETUP

1. The bench test setup should be connected as shown in Figure 5-1 Test Setup.

2. Connect the monitor and disk drive to the computer per the instructions in theowners manual.

3. Confirm that the computer system is operating properly. Refer to ownersmanual.

4. Make sure power is turned off to both the KFS 576A and the APPLEcomputer.

5. Remove the cover on the APPLE computer and insert the sync card in anyslot except 0 (5 is preferred), and the async card in any slot except 0 (7 ispreferred).

6. Connect the ribbon cables from the King sync card to the KCA 110 interfacebox and the ribbon cable from the King async card to the KCA 110 interfacebox and put the cover back on computer.

7. Connect the KFS 576A interface harness to the Interface Box and the KFS576A.

8. Insert the diskette containing the KFS 576A Test Program into the disk driveand turn on computer. The top menu will then appear on the monitor. Selectthe KFS 576A Test Program. The test program requires about 30 seconds toload.

9. Apply +28 VDC to the interface box, then turn on the control unit (if equippedwith an ON/OFF switch). At this time the KFS 576A should have all voltagesnecessary to operate and should come on.

10.Follow the instructions displayed on the monitor and any supplementalinstructions in the corresponding paragraphs in this section.


KFS 576A

Figure 5-1 Test Setup

NOTE:1.The scope.DVM.and audio gen. Connect to test points and testconnectors on the front of the KCA 110 during testing per the final test

procedures. During alignment the scope is used to monitor a test point insidethe control unit.

2.The sync card is inserted into any slot except 0, however 5 is preferred. Theasync card is inserted into any slot except 0, however 7 is preferred. The KCA

110 cables reach through the rear of the computer to the cards.

NOTE

The slot 0 applies only to the Apple ][ plus.

3. The KCA 110 cable #4 connects the KFS control unit to the KCA 110 viaP1014. Cable 4 has connectors for all of the control units. Observe theconnector markings and connect the appropriate connector to the unit to betested. Do not connect more than one control unit at a time.

4. Unless otherwise indicated, when instructions are given on the Apple screenor in the Maintenance manual to press a key it is implied that the key strokeis momentary. If the key is held down the function may be repeated.


KFS 576A

5.2.4.1 ON/OFF

A. 071-1276-19/20/21/22: If unit is not equipped with an ON/OFF switch, verify thatthe display of the unit is illuminated when power is applied to the KCA 110.

B. 071-1276-08/09/10/11/18: Turn the On/Off knob from the OFF position to the ONposition and verify that the display of the unit is illuminated when power is appliedto the KCA 110.

C. 071-1276-13/14/15/16: Turn the 1/OFF/2 knob from the OFF position to the 1position. Verify that the display of the unit is illuminated in the 1 position and notilluminated in the OFF position. Turn the 1/OFF/2 knob to the 2 position. Verifythat the display is illuminated and that TP11 ON 1 is high.

D. 071-1276-23/24/25/26: Turn the 1/2 knob to the 1 position. Verify that the displayof the unit is illuminated. Turn the 1/2 knob to the 2 position. Verify that thedisplay is illuminated and that TP11 ON 1 is high.

5.2.4.2 DISPLAY

A. Verify that the display does not flicker in a dark environment.

B. All segments shall be of uniform brightness with no arcing between segments.

C. Use the selector switch (S1) on the KCA 110 to verify that the lighting is workingcorrectly.

5.2.4.3 FLIGHT LEVEL (FL)

To test Flight Level (FL) ground External Standby (J5761 pin 17). This should place theunit in SBY mode. Turn the function switch clockwise to view Flight Level. Verify that theFlight Level on the control head display is the same as the Flight Level selected on theApple screen. Use the <- and -> cursor keys to increment/decrement the Flight Levels onApple.


KFS 576A

1. A zero indicates that the corresponding pin of J5761 is open; a one indicatesthat the pin is shorted to ground.

2. Altitude is displayed only in TEST mode and Flight Level mode.

5.2.4.4 IDENT

Verify that when the IDT button is pushed or the external ident line (J 5761 pin 21) isgrounded IDT should light in the lower right corner of the control head display and stay litfor 23 ±4 seconds.

NOTE: IDT will not light in standby mode, unless otherwise desired leave External Identin the non-active state.

5.2.4.5 CODE SELECTOR SWITCH

NOTE: There should be a change in code for every increment or decrement.

A. Verify that clockwise rotation increments the digit above the cursor in the controlhead display.

B. Verify that counter-clockwise rotation decrements the digit above the cursor inthe control head display.

C. Digits should rollover from 7 to 0 and roll under from 0 to 7.

NOTE: There should be a change in cursor position each time the cursor switchis pushed.

D. When the cursor switch is pushed the control head display cursor should movefrom left to right. If the cursor is pointing to the right most digit when the switch ispushed the cursor should move to the left most digit. The cursor will remain undera digit for approximately 5 seconds and if the code selector switch is not rotatedduring that 5 second period the cursor will return to the leftmost digit and the newcode is transmitted from the RT.


KFS 576A

5.2.4.6 EMERGENCY

Verify that when Emergency (J5762 pin 4) is grounded the channeling code shouldchange to 7700 when the cursor is held in for at least 3 seconds.

NOTE: Unless otherwise desired leave emergency in the non-active state.

5.2.4.7 REPLY

Verify that when Reply (J5761 pin 11) is grounded the “R” in the upper left corner shouldlight.

NOTE: Unless otherwise desired leave reply in the non-active state.

5.2.4.8 DIMMING

A. Verify that the display dims evenly in a dark environment.

B. Verify that grounding automatic dimmer override (J5761 pin 25) disablesdimming from the photo-cell and the display goes to maximum brightness.

5.2.4.9 EXTERNAL STANDBY

When the External Standby (J5761 pin 17) is grounded the unit should go to standbymode. When the line is ungrounded the unit should return to the mode it was in prior toactivating the line.

NOTE: Unless otherwise desired leave external standby in the non-active state.

5.2.4.10 CONTROL DISABLE

Verify that the when Control Disable (J5762 pin 5) is grounded, the cursor is extinguished.

NOTE: Before going on to another step leave control disable not active.

5.2.4.11 NON VOLATILE MEMORY

A. Change Transponder Code.

B. Observe display.

C. Wait at least 5 seconds.

D. Remove power from the unit.


KFS 576A

E. Reapply power to the unit.

F. Verify that display is the same as observed in step B.

5.2.4.12 CHANNELING

NOTE: The information on the Apple screen is a display of what is on the serial synthesizerbus.

A. Verify that the Xpond data bus transmits the serial data from the control head displayto the Apple screen.

Refer to the table below for appropriate voltage levels for the Xpond Clock TP 3. Xpond Data TP 4, Xpond Strobe TP 5 lines.

5.2.4.13 429 I/O

A. UNIT ONE

1. Place control head in Unit No. 1 and Slave modes. Verify that there is no datapresent on TP 1 (data A) and TP 2 (data B).

2. Send a frequency from the apple key board to the control head. Verify that thecontrol head display duplicates the key board. (Note: 429 data will appear in thistest)

B. UNIT TWO

1. Place control head in Unit No. 2. and Master modes. Verify that the voltagesbetween the data line A, TP 1 and B, TP 2 are.

NOTE: Place TP 1 on channel 1 of the Oscilloscope. Place TP 2 on channel 2 of theOscilloscope. Invert channel 2 and add the two channels.

XPOND CLK TP3 XPOND DATA TP 4 XPOND TP 5

VOLTAGE HIGH 8.0V min 10.0V max

VOLTAGE LOW 0.0V min 0.5V max

VOLTAGE HIGH 9.0V MIN 11.0V MAX

VOLTAGE NULL -0.5V MIN 0.5V MAX

VOLTAGE LOW -11.0V MIN -9.0V MAX


KFS 576A

5.2.4.14 VFR CODE

To program the VFR code:

Rotate the function selector knob to standby, select the VFR code as required, press theIDT and Cursor buttons simultaneously. The displayed code should be stored as the VFRcode.

To select the VFR code:

When the cursor switch is held in for at least 3 seconds, the display code should be replacedwith the last VFR code programmed.

5.2.4.15 UNIT STATUS

This test is only intended to be used as a troubleshooting aid.


KFS 576A

5.2.4.16 FINAL TEST DATA SHEET

NOTE: The term "OK" indicates that particular function is operating properly.

1. On/Off OK

2. Display

a. Display OK

b. Lighting OK

3. Flight Level

Display matches Apple screen OK

4. Ident

a. IDENT button OK

b. External IDENT OK

5. Code selector switch

a. Clockwise rotation OK

b. Counter-clockwise rotation OK

c. Rollover OK

d. Cursor switch OK

6. Emergency (7700)OK

7. Reply “R” lit OK

8. Dimming

a. Display dims evenly OK

b. Pulse width 80us OK see para. 5.2.3 alignment

c. Display goes to max bright OK

d. Photo-cell is disabled OK

9. External Standby OK


KFS 576A

10. Control disable

a. Cursor not lit OK

11 Memory OK

12. Channeling

a. Control head matches Apple OK

1. Xpond clock TP 3 OK logic high greater than 8v

Xpond clock TP 3 OK logic low less than .5v

2. Xpond Data TP 4 OK logic high greater than 8v

Xpond Data TP 4 OK logic low less than .5v

3. Xpond strobe TP 5 OK logic high greater than 8v

Xpond strobe TP 5 OK logic low less than .5v

13. 429 I/O

a. UNIT ONE

1. Unit 1, Slave. No data on A and B OK

2. Apple keyboard changes display OK

b. UNIT TWO

1. Unit 2, Master OK

Voltage between A and B OK logic high greater than +9V

Voltage between A and B logic null less than +.5V OK

Voltage between A and B logic low less than -9V OK

2. Apple screen matches control head OK

14. VFR code

a. Stores VFR code OK

b. Selects VFR code OK


KFS 576A

5.3 OVERHAUL

5.3.1 VISUAL INSPECTION

This section contains instructions to assist in determining, by inspection, the condition of theKFS 576A assemblies. Defects resulting from wear, physical damage, deterioration or othercauses can be found by these inspection procedures. To aid inspection, detailedprocedures are arranged in alphabetical order.

A. Capacitors, Fixed

Inspect capacitors for case damage, body damage, and cracked, broken, orcharred insulation. Check for loose, broken, or corroded terminal studs, lugs, orleads. Inspect for loose, broken, or improperly soldered connections.

B. Capacitors, Variable

Inspect trimmers for chipped and cracked bodies, damaged dielectrics anddamaged contacts.

C. Chassis

Inspect the chassis for deformation, dents, punctures, badly worn surfaces,damaged connectors, damaged fastener devices, loose or missing hardware,component corrosion, and damage to the finish.

D. Connectors

Inspect connectors for broken parts, deformed shells or clamps, and otherirregularities. Inspect for cracked or broken insulation and for contacts that arebroken, deformed or out of alignment. Also, check for corroded or damaged platingon contacts and for loose, improperly soldered, broken, or corroded terminalconnections.

E. Covers and Shields

Inspect covers and shields for punctures, deep dents, and badly worn surfaces.Also, check for damaged fastener devices, corrosion and damage to finish.

F. Fuse and Clips

Inspect for blown fuse and check clips for loose or corroded connections.


KFS 576A

G. Insulators

Inspect insulators for evidence of damage, such as broken or chipped edges,burned areas, and presence of foreign matter.

H. Jacks

Inspect all jacks for corrosion, rust, deformations, loose or broken parts, crackedinsulation, bad contacts, or other irregularities.

I. Potentiometers

Inspect all potentiometers for evidence of damage or loose terminals, crackedinsulation or other irregularities.

J. Resistors, Fixed

Inspect the fixed resistors for cracked, broken, blistered, or charred bodies andloose, broken, or improperly soldered connections.

K. RF Coils

Inspect all RF coils for broken leads, loose mountings, and loose, improperlysoldered, or broken terminal connections. Check for crushed, scratched, cut orcharred windings. Inspect the windings, leads, terminals and connections forcorrosion or physical damage. Check for physical damage to forms and tuning slugadjustment screws.

L. Terminal Connections Soldered

1. Inspect for cold-soldered or rosin joints. These joints present a porous or dull,rough appearance. Check for strength of bond using the points of a tool.

2. Examine the terminals for excess solder, protrusions from a joint, piecesadhering to adjacent insulation, and particles lodged between joints,conductors, or other components.

3. Inspect for insufficient solder and unsoldered strands of wire protruding fromthe conductor at terminal. Check for insulation that is stripped back too far fromthe terminal.

4. Inspect for corrosion at the terminal.


KFS 576A

M. Transformers

1. Inspect for signs of excessive heating, physical damage to case, cracked orbroken insulation, and other abnormal conditions.

2. Inspect for corroded, poorly soldered, or loose connecting leads or terminals.

N. Wiring/Coaxial Cable

Inspect open and laced wiring of the chassis, subassembly chassis and parts ofequipment for breaks in insulation, conductor breaks, cut or broken lacing andimproper dress in relation to adjacent wiring or chassis.

5.3.3 CLEANING

A. Using a clean, lint-free cloth lightly moistened with a regular cleaning detergent,remove the foreign matter from the equipment case and unit front panels. Wipedry using a clean, dry, lint-free cloth.

B. Using a hand controlled dry air jet (not more than 15psi), blow the dust frominaccessible areas. Care should be taken to prevent damage by the airblast.

C. Clean the receptacles and plugs with a hand controlled dry air jet (not more than25psi), and a clean, lint-free cloth lightly moistened with an approved cleaningsolvent. Wipe dry with a clean, dry, lint-free cloth.

5.3.3 REPAIR

This section describes the procedure along with any special techniques for replacingdamaged or defective components.

A. Connectors

When replacing a connector, refer to the appropriate PC board assembly drawingand follow notes to insure correct mounting and mating of each connector.

B. Crystal

The use of other than a King approved crystal is considered an unauthorizedmodification.

C. Diodes

Diodes used are silicon and germanium; use long nose pliers as a heat sinkunder normal soldering conditions. Note the diode polarity before removal.


KFS 576A

D. Wiring/Coaxial Cables

When repairing a wire that has broken from its terminal, remove all old solder andpieces of wire from the terminal, restrip the wire to the necessary length andresolder the wire to the terminal. Replace the damaged wire or coax with one ofthe same type, size and length.

5.3.4 DISASSEMBLY

Refer to Figure 6-1.

5.3.4.1 COVER REMOVAL (047-05021-0002)

A. Remove the two screws at the back of the unit cover, and the two screws whichare located on the top and bottom of the unit. Remove unit cover.

5.3.4.2 MICROPROCESSOR BOARD REMOVAL (200-6580-XX)

A. Remove the two screws at the rear and front of the Microprocessor board.

B. Carefully remove the Board by sliding the board outward from the connector pinstill the board is disconnected from the I/O board (200-06579-XXXX) connectorpins.

5.3.4.3 FRONT COVER/SWITCH BOARD REMOVAL (088-01166-XXXX/200-06589-XXXX)

A. Remove front knobs from unit.

B. Remove the four screws that hold the front cover to the unit, remove front cover.

C. Remove display (037-00083-0000) from board.

D. Disconnect switch board harness connector from the I/O board(200-06579-XXXX).

E. Remove the three screws holding the Display board to the unit.

F. The switch board can then be removed by sliding the board forward till the driverboard pins and the switch board connector are disconnected from each other.


KFS 576A

5.3.4.4 DRIVER BOARD REMOVAL (200-06626-XXXX)

A. Remove the rear two screws and the front three screws.

B. The board can now be pulled away from the center mounted I/O board(200-06579-XXXX), being careful not to damage the I/O board(200-06579-XXXX) connector pins or the connector on the driver board.

5.3.4.5 ASSEMBLY

A. To reassemble the unit, reverse disassembly procedures.

5.4 TROUBLESHOOTING

To troubleshoot the KFS 576A consult the schematics for waveform and voltage data, andrefer to the troubleshooting flowchart in Figure 5-2 KFS 576A Troubleshooting Flowchartfor troubleshooting information.

The following voltages should be checked before troubleshooting is attempted.

A. J5761-7 +190V

B. J5761-10 +9.3V

C. I106-3 -26V

D. J103-7 Lighting +28VDC or +5VDC as appropriate


KFS 576A


Figure 5-2 KFS 576A Troubleshooting Flowchart(Dwg No 696-02376-0000 Rev 0)

(Sheet 1 of 2)

KFS 576A


KFS 576A


Figure 5-2 KFS 576A Troubleshooting Flowchart(Dwg No 696-02376-0000 Rev 0)

(Sheet 2 of 2)

KFS 576A


KFS 576A

SECTION 6ILLUSTRATED PARTS LIST

6.1 INTRODUCTION

This Illustrated Parts List (IPL) provides for the proper identification of replacement parts.Individual Bills of Material (BOM) within this IPL are arranged in numerical order by BOMnumber. Each BOM is followed by the Assembly Drawing and Schematic Diagram for thatassembly.

Parts identified in this IPL by Honeywell Part Number meet design specifications for thisequipment and are the recommended replacement parts. Warranty informationconcerning Honeywell replacement parts are contained in Service Memo #1, P/N600-08001-XXXX.

6.2 BILL OF MATERIAL DESCRIPTION

This section describes the various items that appear on the Bills of Material. A sampleBOM is included in this section as Figure 6-1 Typical Bill of Material.

NOTE: To facilitate a common Part Number System between ATAD and GAAD, theexisting 9-digit numbering system is being expanded to 12 digits by the additionof 3 zeros. Add one zero to the center set and two zeros to the dash number(XXX-0XXX-00XX). Parts or documents represented either by the existing 9-digitor expanded 12-digit part number are identical and interchangeable.

A. BOM Number

The Bill of Material Number appears at the top of the BOM as a 9-digit numberwhich is also the Honeywell Part Number for the assembly. The BOM Number isfollowed by the assembly description and the revision level of the BOM.

B. Symbol Column

This column contains the Reference Designators of the electrical components ofthe assembly. Mechanical parts are not assigned Reference Designators. TheReference Designator consists of a letter abbreviation which indicates the type ofcomponent followed by the number assigned to that part (C101, Q101, etc).Common Reference Designator abbreviations are listed below.


KFS 576A

C. Part Number Column

This column contains the King Part Number for each part. Special purpose999-9999-XX series part numbers may appear in the BOM and are describedbelow.

1. CR401 999-9999-99 DO NOT USE

The component designator CR401 has been previously used on the assemblyand then deleted; therefore it cannot be reassigned.

2. CR401 999-9999-98 NOT USED

The component designator CR401 is available for future assignment and isnot presently a part of the PC board/Final assembly.

3. CR401 999-9999-97 SEE NEXT ASSEMBLY

The component designator CR401 is used as part of the electrical circuitassembly but because of assembly or testing requirements may be part ofanother assembly.

4. CR401 999-9999-96 RESERVED

The component designator CR 401 is reserved for future usage.

C Capacitor P Plug

CJ Circuit Jumper R Resistor

CR Diode S Switch

DS Lamp T Transformer

F Fuse TP Test Point

FL Filter U Resistor/Capacitor Network

I Integrated Circuit V Photocell/tube

J Fixed Connector WG Waveguide

L Inductor Y Crystal

Q Transistor


KFS 576A

D. Description Column

This column contains the description of each part in the assembly. Commonabbreviations which may appear in this column are listed below.

E. Assembly (A) Column

An "A" in this column indicates that the part indicated is an assembly. If the PNand description reads "200-XXXXX-0099 COMMON BOM" the parts for thatassembly are included in the same BOM. The parts breakdown for an assemblywith any other PN will be found in the BOM with the same number.

AL Aluminum PC Polycarbonate

BIFLR Bifilar PF Precision Film

BOM Bill of Material PP Paper

CC Carbon Composite PS Polystrene

CF Carbon Film QW Quarter Watt

CH Choke RES Resistor

CAP Capacitor S Silicon

CAP CR Ceramic SCR Screw

DC Disk Ceramic SM Silver Mica

DIO Diode STDF Standoff

EL Electrolytic SW Switch

FC Fixed Composition TERM Terminal

FERR Ferrite TN Tantalum

FLTR Filter TST PT Test Point

FT Feedthru TW Tenth Watt

HV High Voltage VA Variable

HW Half Watt WW Wire Wound

IC Integrated Circuit XFMR Transformer

MC Monolithic Ceramic XSTR Transistor

MY Mylar XTAL Crystal


KFS 576A

F. Unit of Measure (UM) Column

This column indicates the Unit of Measure for each part. Common abbreviationsfound in this column are listed below.

EA Each FT Foot AR As Required

G. Quantity and Version Columns

Individual versions of an assembly are identified by the last two digits of the PN.Part quantities for each version will be indicated under headings numbered 0000through 0099 as required. The parts indicated in the 0099 Column are commonto all other versions of the assembly and are considered the Common Bill ofMaterial for the assembly.


KFS 576A

Figure 6-1 Typical Bill of Material


KFS 576A


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------071-1276-08 XPDR CTRL BK 28V 2071-1276-09 XPDR CTRL BK 5V 2071-1276-10 XPDR CTRL GY 28V 2071-1276-99 COMMON DFSD AD

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0008 -0009 -0010 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------REF1 300-03119-0000 FINAL ASSEMBLY RF .00 .00 .00 . REF100 000-00388-0000 FLOW CHT KFS0576A RF .00 .00 .00 . REF4 004-00448-0000 MPS KFS0576A RF .00 .00 .00 .

012-01005-0002 TAPE MYLAR .500 W IN . . . 4.80012-01127-0000 TAG COVER EA . . . 1.00016-01412-0000 LOCTITE 425 AR . . . 1.00035-01909-0001 PROTECTIVE COVER EA . . . 1.00037-00083-0000 KFS 576A DISPLAY EA . . . 1.00047-05021-0002 COVER W/FINISH EA . . . 1.00057-01540-0000 WARNING HV TAG EA . . . 1.00057-01764-0000 WRN TAG 5V LGT EA . 1.00 . . 057-01764-0002 WRN TAG 28V LGT EA 1.00 . 1.00 . 057-02203-0008 FLAVOR STCKR EA 1.00 . . . 057-02203-0009 FLAVOR STCKR EA . 1.00 . . 057-02203-0010 FLAVOR STICKER EA . . 1.00 . 057-02337-0000 PRTCTV CVR DECAL EA . . . 1.00057-02742-0000 S/N TAG, KFS 576A EA . . . 1.00057-02831-0001 KFS DUP S/N TAG EA . . . 1.00057-02834-0000 ESD TAG EA . . . 1.00057-02888-0000 DECAL D.O.C. EA . . . 1.00057-02890-0027 SCT KFS576A EA . . . 1.00071-01276-0099 COMMON DFSD EA 1.00 1.00 1.00 . 073-00504-0003 BEZEL BLK EA 1.00 1.00 . . 073-00504-0004 BEZEL GRAY EA . . 1.00 . 073-00551-0004 KNOB W/H EA . . . 1.00073-00553-0006 KNOB W/H EA 1.00 1.00 1.00 . 073-00554-0008 KNOB W/H EA . . . 1.00076-00111-0001 STAND-OFF .605 EA . . . 1.00088-01166-0002 INSERT -00 W/LENS EA 1.00 1.00 . . 088-01166-0004 INSERT -03 W/LENS EA . . 1.00 . 089-05874-0003 SCR PHP 2-56X3/16 EA . . . 2.00089-05874-0004 SCR PHP 2-56X1/4 EA . . . 9.00089-05874-0005 SCR PHP 2-56X5/16 EA . . . 3.00089-05874-0006 SCR PHP 2-56X3/8 EA . . . 1.00089-06000-0003 SCR FHP 0-80X3/16 EA . . . 4.00089-06004-0003 SCR FHP 2-56X3/16 EA . . . 2.00089-06584-0000 SCR PHP 6-32X 1/2 EA . . . 2.00090-00990-0001 PROTECTIVE CAP, SUB-D, 9P EA . . . 1.00090-00990-0003 PROTECTIVE CAP, SUB-D, 15P EA . . . 1.00091-00637-0002 INSULATOR, MYLAR EA . . . 1.00150-00018-0010 TUBING SHRINK WHT IN . . . 2.00150-00020-0010 TUBING SHRINK 18G IN . . . .40200-06579-0000 I/O BOARD ASSY EA 1.00 . 1.00 . 200-06579-0001 I/O BOARD ASSY EA . 1.00 . . 200-06580-0000 MICROPROCESSOR BD EA . . . 1.00200-06589-0000 SW BD 28V W/SW EA 1.00 . 1.00 . 200-06589-0001 SW BD 5V W/SW EA . 1.00 . . 200-06626-0000 DRIVER BD EA . . . 1.00


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------071-1276-11 XPDR CTRL GY 5V 2071-1276-13 XPDR CTRL BK 28V 2071-1276-14 XPDR CTRL BK 5V 2071-1276-99 COMMON DFSD AD

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0011 -0013 -0014 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------REF1 300-03119-0000 FINAL ASSEMBLY RF .00 .00 .00 .REF100 000-00388-0000 FLOW CHT KFS0576A RF .00 .00 .00 .REF4 004-00448-0000 MPS KFS0576A RF .00 .00 .00 .

012-01005-0002 TAPE MYLAR .500 W IN . . . 4.80012-01127-0000 TAG COVER EA . . . 1.00016-01412-0000 LOCTITE 425 AR . . . 1.00035-01909-0001 PROTECTIVE COVER EA . . . 1.00037-00083-0000 KFS 576A DISPLAY EA . . . 1.00047-05021-0002 COVER W/FINISH EA . . . 1.00057-01540-0000 WARNING HV TAG EA . . . 1.00057-01764-0000 WRN TAG 5V LGT EA 1.00 . 1.00 .057-01764-0002 WRN TAG 28V LGT EA . 1.00 . .057-02203-0011 FLAVOR STICKER EA 1.00 . . .057-02203-0013 FLAVOR STCKR EA . 1.00 . .057-02203-0014 FLAVOR STCKR EA . . 1.00 .057-02337-0000 PRTCTV CVR DECAL EA . . . 1.00057-02742-0000 S/N TAG, KFS 576A EA . . . 1.00057-02831-0001 KFS DUP S/N TAG EA . . . 1.00057-02834-0000 ESD TAG EA . . . 1.00057-02888-0000 DECAL D.O.C. EA . . . 1.00057-02890-0027 SCT KFS576A EA . . . 1.00071-01276-0099 COMMON DFSD EA 1.00 1.00 1.00 .073-00504-0003 BEZEL BLK EA . 1.00 1.00 .073-00504-0004 BEZEL GRAY EA 1.00 . . .073-00551-0004 KNOB W/H EA . . . 1.00073-00553-0006 KNOB W/H EA 1.00 1.00 1.00 .073-00554-0008 KNOB W/H EA . . . 1.00076-00111-0001 STAND-OFF .605 EA . . . 1.00088-01166-0004 INSERT -03 W/LENS EA 1.00 . . .088-01166-0006 INSERT -05 W/LENS EA . 1.00 1.00 .089-05874-0003 SCR PHP 2-56X3/16 EA . . . 2.00089-05874-0004 SCR PHP 2-56X1/4 EA . . . 9.00089-05874-0005 SCR PHP 2-56X5/16 EA . . . 3.00089-05874-0006 SCR PHP 2-56X3/8 EA . . . 1.00089-06000-0003 SCR FHP 0-80X3/16 EA . . . 4.00089-06004-0003 SCR FHP 2-56X3/16 EA . . . 2.00089-06584-0000 SCR PHP 6-32X 1/2 EA . . . 2.00090-00990-0001 PROTECTIVE CAP, SUB-D, 9P EA . . . 1.00090-00990-0003 PROTECTIVE CAP, SUB-D, 15P EA . . . 1.00091-00637-0002 INSULATOR, MYLAR EA . . . 1.00150-00018-0010 TUBING SHRINK WHT IN . . . 2.00150-00020-0010 TUBING SHRINK 18G IN . . . .40200-06579-0000 I/O BOARD ASSY EA . 1.00 . .200-06579-0001 I/O BOARD ASSY EA 1.00 . 1.00 .200-06580-0000 MICROPROCESSOR BD EA . . . 1.00200-06589-0001 SW BD 5V W/SW EA 1.00 . . .200-06589-0002 SW BD 28V SW 1/2 EA . 1.00 . .200-06589-0003 SW BD 5V SW 1/2 EA . . 1.00 .200-06626-0000 DRIVER BD EA . . . 1.00


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------071-1276-15 XPDR CTRL GY 28V 2071-1276-16 XPDR CTRL GY 5V 2071-1276-18 XPDR CTRL BK 28V 2071-1276-99 COMMON DFSD AD


012-01005-0002 TAPE MYLAR .500 W IN . . . 4.80012-01127-0000 TAG COVER EA . . . 1.00016-01412-0000 LOCTITE 425 AR . . . 1.00035-01909-0001 PROTECTIVE COVER EA . . . 1.00037-00083-0000 KFS 576A DISPLAY EA . . . 1.00047-05021-0002 COVER W/FINISH EA . . . 1.00057-01540-0000 WARNING HV TAG EA . . . 1.00057-01764-0000 WRN TAG 5V LGT EA . 1.00 . .057-01764-0002 WRN TAG 28V LGT EA 1.00 . 1.00 .057-02203-0015 FLAVOR STCKR EA 1.00 . . .057-02203-0016 FLAVOR STCKR EA . 1.00 . .057-02203-0018 FLAVOR STCKR EA . . 1.00 .057-02337-0000 PRTCTV CVR DECAL EA . . . 1.00057-02742-0000 S/N TAG, KFS 576A EA . . . 1.00057-02831-0001 KFS DUP S/N TAG EA . . . 1.00057-02834-0000 ESD TAG EA . . . 1.00057-02888-0000 DECAL D.O.C. EA . . . 1.00057-02890-0027 SCT KFS576A EA . . . 1.00071-01276-0099 COMMON DFSD EA 1.00 1.00 1.00 .073-00504-0003 BEZEL BLK EA . . 1.00 .073-00504-0004 BEZEL GRAY EA 1.00 1.00 . .073-00551-0004 KNOB W/H EA . . . 1.00073-00553-0006 KNOB W/H EA 1.00 1.00 1.00 .073-00554-0008 KNOB W/H EA . . . 1.00076-00111-0001 STAND-OFF .605 EA . . . 1.00088-01166-0001 INSERT -00 W/LENS EA . . 1.00 .088-01166-0008 INSERT -07 W/LENS EA 1.00 1.00 . .089-05874-0003 SCR PHP 2-56X3/16 EA . . . 2.00089-05874-0004 SCR PHP 2-56X1/4 EA . . . 9.00089-05874-0005 SCR PHP 2-56X5/16 EA . . . 3.00089-05874-0006 SCR PHP 2-56X3/8 EA . . . 1.00089-06000-0003 SCR FHP 0-80X3/16 EA . . . 4.00089-06004-0003 SCR FHP 2-56X3/16 EA . . . 2.00089-06584-0000 SCR PHP 6-32X 1/2 EA . . . 2.00090-00990-0001 PROTECTIVE CAP, SUB-D, 9P EA . . . 1.00090-00990-0003 PROTECTIVE CAP, SUB-D, 15P EA . . . 1.00091-00637-0002 INSULATOR, MYLAR EA . . . 1.00150-00018-0010 TUBING SHRINK WHT IN . . . 2.00150-00020-0010 TUBING SHRINK 18G IN . . . .40200-06579-0000 I/O BOARD ASSY EA 1.00 . 1.00 .200-06579-0001 I/O BOARD ASSY EA . 1.00 . .200-06580-0000 MICROPROCESSOR BD EA . . . 1.00200-06589-0000 SW BD 28V W/SW EA . . 1.00 .200-06589-0002 SW BD 28V SW 1/2 EA 1.00 . . .200-06589-0003 SW BD 5V SW 1/2 EA . 1.00 . .200-06626-0000 DRIVER BD EA . . . 1.00


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------071-1276-19 XPDR CTRL BK 28V 2071-1276-20 XPDR CTRL BK 5V 2071-1276-21 XPDR CTRL GY 28V 2071-1276-99 COMMON DFSD AD


012-01005-0002 TAPE MYLAR .500 W IN . . . 4.80012-01127-0000 TAG COVER EA . . . 1.00016-01412-0000 LOCTITE 425 AR . . . 1.00035-01909-0001 PROTECTIVE COVER EA . . . 1.00037-00083-0000 KFS 576A DISPLAY EA . . . 1.00047-05021-0002 COVER W/FINISH EA . . . 1.00057-01540-0000 WARNING HV TAG EA . . . 1.00057-01764-0000 WRN TAG 5V LGT EA . 1.00 . .057-01764-0002 WRN TAG 28V LGT EA 1.00 . 1.00 .057-02203-0019 FLAVOR STCKR EA 1.00 . . .057-02203-0020 FLAVOR STCKR EA . 1.00 . .057-02203-0021 FLAVOR STCKR EA . . 1.00 .057-02337-0000 PRTCTV CVR DECAL EA . . . 1.00057-02742-0000 S/N TAG, KFS 576A EA . . . 1.00057-02831-0001 KFS DUP S/N TAG EA . . . 1.00057-02834-0000 ESD TAG EA . . . 1.00057-02888-0000 DECAL D.O.C. EA . . . 1.00057-02890-0027 SCT KFS576A EA . . . 1.00071-01276-0099 COMMON DFSD EA 1.00 1.00 1.00 .073-00504-0003 BEZEL BLK EA 1.00 1.00 . .073-00504-0004 BEZEL GRAY EA . . 1.00 .073-00551-0004 KNOB W/H EA . . . 1.00073-00554-0008 KNOB W/H EA . . . 1.00076-00111-0001 STAND-OFF .605 EA . . . 1.00088-01166-0010 INSERT -09 W/LENS EA 1.00 1.00 . .088-01166-0012 INSERT -11 W/LENS EA . . 1.00 .089-05874-0003 SCR PHP 2-56X3/16 EA . . . 2.00089-05874-0004 SCR PHP 2-56X1/4 EA . . . 9.00089-05874-0005 SCR PHP 2-56X5/16 EA . . . 3.00089-05874-0006 SCR PHP 2-56X3/8 EA . . . 1.00089-06000-0003 SCR FHP 0-80X3/16 EA . . . 4.00089-06004-0003 SCR FHP 2-56X3/16 EA . . . 2.00089-06584-0000 SCR PHP 6-32X 1/2 EA . . . 2.00090-00990-0001 PROTECTIVE CAP, SUB-D, 9P EA . . . 1.00090-00990-0003 PROTECTIVE CAP, SUB-D, 15P EA . . . 1.00091-00637-0002 INSULATOR, MYLAR EA . . . 1.00150-00018-0010 TUBING SHRINK WHT IN . . . 2.00150-00020-0010 TUBING SHRINK 18G IN . . . .40200-06579-0000 I/O BOARD ASSY EA 1.00 . 1.00 .200-06579-0001 I/O BOARD ASSY EA . 1.00 . .200-06580-0000 MICROPROCESSOR BD EA . . . 1.00200-06589-0004 SW BD 28V NO SW EA 1.00 . 1.00 .200-06589-0005 SW BD 5V NO SW EA . 1.00 . .200-06626-0000 DRIVER BD EA . . . 1.00


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------071-1276-22 XPDR CTRL GY 5V 2071-1276-23 XPDR CTRL BK 28V 2071-1276-24 XPDR CTRL BK 5V 2071-1276-99 COMMON DFSD AD


012-01005-0002 TAPE MYLAR .500 W IN . . . 4.80012-01127-0000 TAG COVER EA . . . 1.00016-01412-0000 LOCTITE 425 AR . . . 1.00035-01909-0001 PROTECTIVE COVER EA . . . 1.00037-00083-0000 KFS 576A DISPLAY EA . . . 1.00047-05021-0002 COVER W/FINISH EA . . . 1.00057-01540-0000 WARNING HV TAG EA . . . 1.00057-01764-0000 WRN TAG 5V LGT EA 1.00 . 1.00 .057-01764-0002 WRN TAG 28V LGT EA . 1.00 . .057-02203-0022 FLAVOR STCKR EA 1.00 . . .057-02203-0023 FLAVOR STCKR EA . 1.00 . .057-02203-0024 FLAVOR STCKR EA . . 1.00 .057-02337-0000 PRTCTV CVR DECAL EA . . . 1.00057-02742-0000 S/N TAG, KFS 576A EA . . . 1.00057-02831-0001 KFS DUP S/N TAG EA . . . 1.00057-02834-0000 ESD TAG EA . . . 1.00057-02888-0000 DECAL D.O.C. EA . . . 1.00057-02890-0027 SCT KFS576A EA . . . 1.00071-01276-0099 COMMON DFSD EA 1.00 1.00 1.00 .073-00504-0003 BEZEL BLK EA . 1.00 1.00 .073-00504-0004 BEZEL GRAY EA 1.00 . . .073-00551-0004 KNOB W/H EA . . . 1.00073-00553-0006 KNOB W/H EA . 1.00 1.00 .073-00554-0008 KNOB W/H EA . . . 1.00076-00111-0001 STAND-OFF .605 EA . . . 1.00088-01166-0012 INSERT -11 W/LENS EA 1.00 . . .088-01166-0014 INSERT -13 W/LENS EA . 1.00 1.00 .089-05874-0003 SCR PHP 2-56X3/16 EA . . . 2.00089-05874-0004 SCR PHP 2-56X1/4 EA . . . 9.00089-05874-0005 SCR PHP 2-56X5/16 EA . . . 3.00089-05874-0006 SCR PHP 2-56X3/8 EA . . . 1.00089-06000-0003 SCR FHP 0-80X3/16 EA . . . 4.00089-06004-0003 SCR FHP 2-56X3/16 EA . . . 2.00089-06584-0000 SCR PHP 6-32X 1/2 EA . . . 2.00090-00990-0001 PROTECTIVE CAP, SUB-D, 9P EA . . . 1.00090-00990-0003 PROTECTIVE CAP, SUB-D, 15P EA . . . 1.00091-00637-0002 INSULATOR, MYLAR EA . . . 1.00150-00018-0010 TUBING SHRINK WHT IN . . . 2.00150-00020-0010 TUBING SHRINK 18G IN . . . .40200-06579-0000 I/O BOARD ASSY EA . 1.00 . .200-06579-0001 I/O BOARD ASSY EA 1.00 . 1.00 .200-06580-0000 MICROPROCESSOR BD EA . . . 1.00200-06589-0005 SW BD 5V NO SW EA 1.00 . . .200-06589-0006 SW BD 28V 1/2 EA . 1.00 . .200-06589-0007 SW BD 5V 1/2 EA . . 1.00 .200-06626-0000 DRIVER BD EA . . . 1.00


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------071-1276-25 XPDR CTRL BY 28V 2071-1276-26 XPDR CTRL GY 5V 2071-1276-99 COMMON DFSD AD

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0025 -0026 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------REF1 300-03119-0000 FINAL ASSEMBLY RF .00 .00 .REF100 000-00388-0000 FLOW CHT KFS0576A RF .00 .00 .REF4 004-00448-0000 MPS KFS0576A RF .00 .00 .

012-01005-0002 TAPE MYLAR .500 W IN . . 4.80012-01127-0000 TAG COVER EA . . 1.00016-01412-0000 LOCTITE 425 AR . . 1.00035-01909-0001 PROTECTIVE COVER EA . . 1.00037-00083-0000 KFS 576A DISPLAY EA . . 1.00047-05021-0002 COVER W/FINISH EA . . 1.00057-01540-0000 WARNING HV TAG EA . . 1.00057-01764-0000 WRN TAG 5V LGT EA . 1.00 .057-01764-0002 WRN TAG 28V LGT EA 1.00 . .057-02203-0025 FLAVOR STCKR EA 1.00 . .057-02203-0026 FLAVOR STCKR EA . 1.00 .057-02337-0000 PRTCTV CVR DECAL EA . . 1.00057-02742-0000 S/N TAG, KFS 576A EA . . 1.00057-02831-0001 KFS DUP S/N TAG EA . . 1.00057-02834-0000 ESD TAG EA . . 1.00057-02888-0000 DECAL D.O.C. EA . . 1.00057-02890-0027 SCT KFS576A EA . . 1.00071-01276-0099 COMMON DFSD EA 1.00 1.00 .073-00504-0004 BEZEL GRAY EA 1.00 1.00 .073-00551-0004 KNOB W/H EA . . 1.00073-00553-0006 KNOB W/H EA 1.00 1.00 .073-00554-0008 KNOB W/H EA . . 1.00076-00111-0001 STAND-OFF .605 EA . . 1.00088-01166-0016 INSERT -15 W/LENS EA 1.00 1.00 .089-05874-0003 SCR PHP 2-56X3/16 EA . . 2.00089-05874-0004 SCR PHP 2-56X1/4 EA . . 9.00089-05874-0005 SCR PHP 2-56X5/16 EA . . 3.00089-05874-0006 SCR PHP 2-56X3/8 EA . . 1.00089-06000-0003 SCR FHP 0-80X3/16 EA . . 4.00089-06004-0003 SCR FHP 2-56X3/16 EA . . 2.00089-06584-0000 SCR PHP 6-32X 1/2 EA . . 2.00090-00990-0001 PROTECTIVE CAP, SUB-D, 9P EA . . 1.00090-00990-0003 PROTECTIVE CAP, SUB-D, 15P EA . . 1.00091-00637-0002 INSULATOR, MYLAR EA . . 1.00150-00018-0010 TUBING SHRINK WHT IN . . 2.00150-00020-0010 TUBING SHRINK 18G IN . . .40200-06579-0000 I/O BOARD ASSY EA 1.00 . .200-06579-0001 I/O BOARD ASSY EA . 1.00 .200-06580-0000 MICROPROCESSOR BD EA . . 1.00200-06589-0006 SW BD 28V 1/2 EA 1.00 . .200-06589-0007 SW BD 5V 1/2 EA . 1.00 .200-06626-0000 DRIVER BD EA . . 1.00


KFS 576A

THE FOLLOWING IS THE PARTS LIST FROM THE PREVIOUS REVISION AND IS PROVIDED FOR REFERENCE ONLY.


KFS 576A


KFS 576A


Figure 6-2 Final Assembly(Dwg No 300-03119-0000 Rev AD)

KFS 576A


KFS 576A


Figure 6-3 Final Assembly(Dwg No 300-03119-0000 Rev 7) (For Reference Only)

KFS 576A


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------200-06579-0000 I/O BOARD ASSY AA200-06579-0001 I/O BOARD ASSY 3200-06579-0099 COMMON I/O BD ASSY AA

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000 -0001 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------C101 111-00001-0017 CAP CR 180PF 50V EA . . 1.00C102 111-00001-0017 CAP CR 180PF 50V EA . . 1.00C103 999-09999-0098 PLACE HOLDER RF .00 .00 .C104 999-09999-0098 PLACE HOLDER RF .00 .00 .C105 096-01082-0010 CAP TN 10UF 35V EA . . 1.00C106 096-01082-0005 CAP TN 10UF 20V EA . . 1.00C107 999-09999-0098 PLACE HOLDER RF .00 .00 .C108 111-00001-0001 CAP CR .1UF 50V EA . . 1.00C109 111-00001-0001 CAP CR .1UF 50V EA . . 1.00C110 111-00001-0017 CAP CR 180PF 50V EA . . 1.00C111 111-00001-0066 CAP CR 33PF 50V EA . . 1.00C112 111-00001-0066 CAP CR 33PF 50V EA . . 1.00C113 111-00001-0017 CAP CR 180PF 50V EA . . 1.00C114 111-00001-0017 CAP CR 180PF 50V EA . . 1.00C115 111-00001-0017 CAP CR 180PF 50V EA . . 1.00CJ101 026-00018-0001 WIRE CKTJMPR 24AWG EA . 1.00 .CJ102 026-00018-0001 WIRE CKTJMPR 24AWG EA 1.00 . .CR101 007-06016-0000 DIO S 1N4154 EA . . 1.00CR102 007-06016-0000 DIO S 1N4154 EA . . 1.00CR103 007-06016-0000 DIO S 1N4154 EA . . 1.00CR104 007-06016-0000 DIO S 1N4154 EA . . 1.00CR105 007-06016-0000 DIO S 1N4154 EA . . 1.00CR106 007-06016-0000 DIO S 1N4154 EA . . 1.00CR107 007-06016-0000 DIO S 1N4154 EA . . 1.00CR108 007-06016-0000 DIO S 1N4154 EA . . 1.00CR109 007-06016-0000 DIO S 1N4154 EA . . 1.00CR110 007-06016-0000 DIO S 1N4154 EA . . 1.00CR111 007-06016-0000 DIO S 1N4154 EA . . 1.00CR112 007-06016-0000 DIO S 1N4154 EA . . 1.00CR113 007-06016-0000 DIO S 1N4154 EA . . 1.00CR114 007-06016-0000 DIO S 1N4154 EA . . 1.00CR115 007-06016-0000 DIO S 1N4154 EA . . 1.00CR116 007-06016-0000 DIO S 1N4154 EA . . 1.00CR117 007-06016-0000 DIO S 1N4154 EA . . 1.00CR118 007-06016-0000 DIO S 1N4154 EA . . 1.00CR119 007-06016-0000 DIO S 1N4154 EA 1.00 1.00 .CR120 007-06025-0000 DIO S 1N4003 EA . . 1.00CR121 007-06025-0000 DIO S 1N4003 EA . . 1.00CR122 007-06025-0000 DIO S 1N4003 EA . . 1.00CR123 007-06025-0000 DIO S 1N4003 EA . . 1.00I101 120-06116-0000 IC HEF4512BTD EA . . 1.00I102 120-06116-0000 IC HEF4512BTD EA . . 1.00I103 120-03174-0001 IC TDB0082FP EA . . 1.00I104 120-03174-0001 IC TDB0082FP EA . . 1.00I105 120-03174-0001 IC TDB0082FP EA . . 1.00I106 120-03116-0003 IC LM137H EA . . 1.00J101 030-02458-0014 CONN STRGT 14P EA . . 1.00J102 030-02322-0019 HEADER 19P EA . . 1.00J103 030-02174-0004 PIN CONTACT EA . . 11.00J5761 030-02358-0007 CONN SUB-D PC 29P EA . . 1.00J5762 030-02346-0008 CONN SUB-D CA 9P EA . . 1.00L101 013-00006-0003 FERR BEAD EA . . 1.00L102 013-00006-0003 FERR BEAD EA . . 1.00L103 013-00006-0003 FERR BEAD EA . . 1.00L104 013-00006-0003 FERR BEAD EA . . 1.00L105 013-00006-0003 FERR BEAD EA . . 1.00


KFS 576A

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000 -0001 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------L106 013-00006-0003 FERR BEAD EA . . 1.00L107 013-00006-0003 FERR BEAD EA . . 1.00L108 013-00006-0003 FERR BEAD EA . . 1.00L109 013-00006-0003 FERR BEAD EA . . 1.00L110 013-00006-0003 FERR BEAD EA . . 1.00L111 013-00006-0003 FERR BEAD EA . . 1.00L112 013-00006-0003 FERR BEAD EA . . 1.00L113 013-00006-0003 FERR BEAD EA . . 1.00L114 013-00006-0003 FERR BEAD EA . . 1.00L115 013-00006-0003 FERR BEAD EA . . 1.00L116 013-00006-0003 FERR BEAD EA . . 1.00L117 013-00006-0003 FERR BEAD EA . . 1.00L118 013-00006-0003 FERR BEAD EA . . 1.00L119 013-00006-0003 FERR BEAD EA . . 1.00L120 013-00006-0003 FERR BEAD EA . . 1.00L121 013-00006-0003 FERR BEAD EA . . 1.00L122 999-09999-0098 PLACE HOLDER RF . . .00L123 013-00006-0003 FERR BEAD EA . . 1.00L124 013-00006-0003 FERR BEAD EA . . 1.00L125 013-00006-0003 FERR BEAD EA . . 1.00L126 013-00006-0003 FERR BEAD EA . . 1.00L127 013-00006-0003 FERR BEAD EA . . 1.00L128 013-00006-0003 FERR BEAD EA . . 1.00L129 013-00006-0003 FERR BEAD EA . . 1.00Q101 007-00467-0000 XSTR S NPN MMBTA06 EA . . 1.00Q102 007-00466-0000 XSTR S PNP MMBTA56 EA . . 1.00Q103 007-00467-0000 XSTR S NPN MMBTA06 EA . . 1.00Q104 007-00466-0000 XSTR S PNP MMBTA56 EA . . 1.00Q105 007-00467-0000 XSTR S NPN MMBTA06 EA . . 1.00Q106 007-00467-0000 XSTR S NPN MMBTA06 EA . . 1.00Q107 007-00466-0000 XSTR S PNP MMBTA56 EA . . 1.00Q108 007-00467-0000 XSTR S NPN MMBTA06 EA . . 1.00Q109 007-00467-0000 XSTR S NPN MMBTA06 EA . . 1.00Q110 007-00466-0000 XSTR S PNP MMBTA56 EA . . 1.00R101 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R102 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R103 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R104 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R105 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R106 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R107 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R108 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R109 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R110 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R111 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R112 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R113 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R114 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R115 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R116 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R117 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R118 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R119 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R120 131-00223-0013 RES CF 22K EW 5% EA . . 1.00R121 131-00360-0023 RES CF 36 QW 5% EA . . 1.00R122 131-00330-0023 RES CF 33 QW 5% EA . . 1.00R123 131-00102-0013 RES CF 1K EW 5% EA . . 1.00R124 131-00273-0013 RES CF 27K EW 5% EA . . 1.00R125 131-00273-0013 RES CF 27K EW 5% EA . . 1.00R126 131-00203-0013 RES CF 20K EW 5% EA . . 1.00R127 131-00203-0013 RES CF 20K EW 5% EA . . 1.00R128 131-00102-0013 RES CF 1K EW 5% EA . . 1.00


KFS 576A

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000 -0001 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------R129 131-00102-0013 RES CF 1K EW 5% EA . . 1.00R130 131-00203-0013 RES CF 20K EW 5% EA . . 1.00R131 131-00203-0013 RES CF 20K EW 5% EA . . 1.00R132 131-00273-0013 RES CF 27K EW 5% EA . . 1.00R133 131-00273-0013 RES CF 27K EW 5% EA . . 1.00R134 131-00102-0013 RES CF 1K EW 5% EA . . 1.00R135 131-00360-0023 RES CF 36 QW 5% EA . . 1.00R136 131-00330-0023 RES CF 33 QW 5% EA . . 1.00R137 131-00104-0013 RES CF 100K EW 5% EA . . 1.00R138 131-00104-0013 RES CF 100K EW 5% EA . . 1.00R139 131-00104-0013 RES CF 100K EW 5% EA . . 1.00R140 131-00104-0013 RES CF 100K EW 5% EA . . 1.00R141 131-00822-0013 RES CF 8.2K EW 5% EA . . 1.00R142 999-09999-0098 PLACE HOLDER RF .00 .00 .R143 999-09999-0098 PLACE HOLDER RF .00 .00 .R144 999-09999-0098 PLACE HOLDER RF .00 .00 .R145 999-09999-0098 PLACE HOLDER RF .00 .00 .R146 999-09999-0098 PLACE HOLDER RF .00 .00 .R147 999-09999-0098 PLACE HOLDER RF .00 .00 .R148 999-09999-0098 PLACE HOLDER RF .00 .00 .R149 999-09999-0098 PLACE HOLDER RF .00 .00 .R150 999-09999-0098 PLACE HOLDER RF .00 .00 .R151 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R152 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R153 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R154 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R155 131-00433-0013 RES CF 43K EW 5% EA . . 1.00R156 131-00102-0013 RES CF 1K EW 5% EA . . 1.00R157 131-00102-0013 RES CF 1K EW 5% EA . . 1.00R158 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R159 131-00102-0013 RES CF 1K EW 5% EA . . 1.00R160 131-00241-0013 RES CF 240 EW 5% EA . . 1.00R161 131-00162-0013 RES CF 1.6K EW 5% EA . . 1.00R162 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R163 131-00103-0013 RES CF 10K EW 5% EA . . 1.00R164 131-00104-0013 RES CF 100K EW 5% EA . . 1.00REF1 300-06579-0000 I/O BOARD RF .00 .00 .00TP101 008-00096-0001 TERMINAL TEST PNT EA . . 1.00TP102 008-00096-0001 TERMINAL TEST PNT EA . . 1.00TP103 008-00096-0001 TERMINAL TEST PNT EA . . 1.00TP104 008-00096-0001 TERMINAL TEST PNT EA . . 1.00TP105 008-00096-0001 TERMINAL TEST PNT EA . . 1.00U101 015-00039-0000 RES MOD 10K150V2% EA . . 1.00U102 015-00039-0000 RES MOD 10K150V2% EA . . 1.00U103 015-00064-0013 8P CAP 220PF 10% EA . . 1.00U104 015-00064-0013 8P CAP 220PF 10% EA . . 1.00U105 015-00064-0013 8P CAP 220PF 10% EA . . 1.00

002-06579-0000 SCH I/O BD KFS 576A RF .00 . .008-00038-0001 TERM BIFUR .084L EA . . 6.00009-06579-0000 PC BD I/O EA . . 1.00016-01040-0000 COATING TYPE AR AR . . .00025-00018-0011 WIRE 26 BRN IN . . 6.00025-00018-0022 WIRE 26 RED IN . . 6.00025-00018-0033 WIRE 26 ORG IN . . 6.00025-00018-0044 WIRE 26 YEL IN . . 6.00025-00018-0055 WIRE 26 GRN IN . . 6.00025-00018-0066 WIRE 26 BLU IN . . 6.00030-02352-0000 LOCK TAB EA . . 2.00073-00454-0004 CAST MOD W/F EA . . 1.00076-00741-0009 STANDOFF .120 EA . . 3.00076-00741-0011 STANDOFF .120 EA . . 1.00089-05874-0004 SCR PHP 2-56X1/4 EA . . 6.00


KFS 576A

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000 -0001 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

091-00025-0000 WSHR XSTR INSUL EA . . 1.00091-00109-0000 CABLE TIE EA . . 2.00150-00018-0010 TUBING SHRINK WHT AR . . 1.00192-06579-0000 KFS 576A I/O BOARD ASSY RF .00 . .00200-06579-0099 COMMON I/O BD ASSY EA 1.00 1.00 .


KFS 576A



KFS 576A


Figure 6-4 I/O Board(Dwg No 300-06570-0000 Rev 1)

KFS 576A


KFS 576A


Figure 6-5 I/O Board(Dwg No 300-06579-0000 Rev 0) (For Reference Only)

KFS 576A


KFS 576A


Figure 6-6 I/O Board Schematic(Dwg No 002-06579-0000 Rev 3)

(Sheet 1 of 2)

KFS 576A


KFS 576A


Figure 6-6 I/O Board Schematic(Dwg No 002-06579-0000 Rev 3)

(Sheet 2 of 2)

KFS 576A


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------200-06580-0000 MICROPROCESSOR BD AA

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------C201 111-00001-0032 CAP CR 1UF 50V EA 1.00C202 111-00001-0013 CAP CR .1UF 50V EA 1.00C203 111-00001-0013 CAP CR .1UF 50V EA 1.00C204 111-00001-0077 CAP CR 12PF 100V EA 1.00C205 111-00001-0077 CAP CR 12PF 100V EA 1.00C206 111-00001-0077 CAP CR 12PF 100V EA 1.00C207 111-00001-0077 CAP CR 12PF 100V EA 1.00C208 096-01082-0015 CAP TN 2.2UF 15V EA 1.00I201 120-02119-0000 NONVOLATILE RAM EA 1.00I202 125-00036-0000 429 I/O MICRO EA 1.00I203 125-00035-0001 576A DSPLY MICRO EA 1.00I204 120-03127-0008 IC LM2903N DIP, INDUSTRIAL EA 1.00I205 120-06025-0001 IC SCL4049ABC+ EA 1.00I206 120-03127-0008 IC LM2903N DIP, INDUSTRIAL EA 1.00I207 120-03127-0008 IC LM2903N DIP, INDUSTRIAL EA 1.00P201 030-01117-0000 RECEPTACLE EA 13.00P202 030-01117-0000 RECEPTACLE EA 19.00Q201 007-00180-0000 XSTR S NPN 2N4401 EA 1.00Q202 007-00180-0000 XSTR S NPN 2N4401 EA 1.00Q203 007-00180-0000 XSTR S NPN 2N4401 EA 1.00R201 131-00103-0013 RES CF 10K EW 5% EA 1.00R202 131-00752-0013 RES CF 7.5K EW 5% EA 1.00R203 131-00153-0013 RES CF 15K EW 5% EA 1.00R204 131-00103-0013 RES CF 10K EW 5% EA 1.00R205 131-00103-0013 RES CF 10K EW 5% EA 1.00R206 131-00103-0013 RES CF 10K EW 5% EA 1.00R207 131-00102-0013 RES CF 1K EW 5% EA 1.00R208 131-00102-0013 RES CF 1K EW 5% EA 1.00R209 131-00102-0013 RES CF 1K EW 5% EA 1.00R210 131-00302-0013 RES CF 3K EW 5% EA 1.00R211 131-00302-0013 RES CF 3K EW 5% EA 1.00R212 131-00102-0013 RES CF 1K EW 5% EA 1.00R213 131-00752-0013 RES CF 7.5K EW 5% EA 1.00R214 131-00622-0013 RES CF 6.2K EW 5% EA 1.00R215 131-00105-0013 RES CF 1M EW 5% EA 1.00R216 131-00105-0013 RES CF 1M EW 5% EA 1.00R217 131-00912-0013 RES CF 9.1K EW 5% EA 1.00R218 131-00682-0013 RES CF 6.8K EW 5% EA 1.00R219 131-00822-0013 RES CF 8.2K EW 5% EA 1.00R220 131-00823-0013 RES CF 82K EW 5% EA 1.00R221 131-00204-0013 RES CF 200K EW 5% EA 1.00R222 131-00223-0013 RES CF 22K EW 5% EA 1.00R223 131-00223-0013 RES CF 22K EW 5% EA 1.00R224 131-00473-0013 RES CF 47K EW 5% EA 1.00R225 131-00472-0013 RES CF 4.7K EW 5% EA 1.00REF1 300-06580-0000 MICROPROCESSOR BD. RF .00TP201 008-00096-0001 TERMINAL TEST PNT EA 1.00TP202 008-00096-0001 TERMINAL TEST PNT EA 1.00TP203 008-00096-0001 TERMINAL TEST PNT EA 1.00TP204 008-00096-0001 TERMINAL TEST PNT EA 1.00TP205 008-00096-0001 TERMINAL TEST PNT EA 1.00TP206 008-00096-0001 TERMINAL TEST PNT EA 1.00TP207 008-00096-0001 TERMINAL TEST PNT EA 1.00TP208 008-00096-0001 TERMINAL TEST PNT EA 1.00Y201 044-00128-0000 CR RSNR 11.0MHZ EA 1.00Y202 044-00128-0000 CR RSNR 11.0MHZ EA 1.00

002-06580-0000 SCH UPROCESSOR BD RF .00KFS 576A


KFS 576A

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

009-06580-0000 PC BD UPROCESSOR EA 1.00016-01040-0000 COATING TYPE AR AR .00033-00092-0012 IC DIP SCKT 18C EA 1.00033-00114-0017 SCKT IC DIP 40C EA 2.00192-06580-0000 KFS 576A MICROPROCESSOR RF .00

BD ASSY


KFS 576A



KFS 576A


Figure 6-7 Microprocessor Board(Dwg No 300-06580-0000 Rev 4)

KFS 576A


KFS 576A


Figure 6-8 Microprocessor Board(Dwg No 300-06580-0000 Rev 1) (For Reference Only)

KFS 576A


KFS 576A


Figure 6-9 Microprocessor Board Schematic(Dwg No 002-06580-0000 Rev 7)

KFS 576A


KFS 576A


Figure 6-10 Microprocessor Board Schematic(Dwg No 002-06580-0000 Rev 6) (For Reference Only)

KFS 576A


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------200-06589-0000 SW BD 28V W/SW 3200-06589-0001 SW BD 5V W/SW 3200-06589-0002 SW BD 28V SW 1/2 3200-06589-0099 COMMON BM AB

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000 -0001 -0002 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CR401 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR402 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR403 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR404 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR405 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR406 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR407 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR408 007-06016-0000 DIO S 1N4154 EA . . . 1.00DS401 037-00034-0000 LMP 7715 T1 5V EA . 1.00 . .DS401 037-00034-0001 LMP 7839 T1 28V EA 1.00 . 1.00 .DS402 037-00034-0000 LMP 7715 T1 5V EA . 1.00 . .DS402 037-00034-0001 LMP 7839 T1 28V EA 1.00 . 1.00 .P402 030-02200-0008 VERT CRD CONN 8P EA . . . 1.00P404 030-02200-0008 VERT CRD CONN 8P EA . . . 2.00R401 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00R402 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00R403 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00R404 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00REF1 300-06589-0000 SWITCH BD KFS 576A RF .00 .00 .00 .S401 031-00443-0001 SW ROTARY AJ-20 EA . . 1.00 .S401 031-00443-0003 SWITCH 2P EA 1.00 1.00 . .S402 031-00372-0001 SWITCH SLIDE SPDT EA . . . 1.00S403 031-00399-0002 SWITCH ASSY IDT EA . . . 1.00V401 134-05005-0000 PHOTODETECTOR EA . . . 1.00

009-06589-0000 PC BD SWITCH EA . . . 1.00012-01299-0000 INSULATING WASHER EA . . . 1.00016-01013-0000 VAC GREASE DC 976 AR . . . .00016-01040-0000 COATING TYPE AR AR . . . .00025-00018-0099 WIRE 26 WHT IN . . . 7.20030-01185-0000 CONNECTOR SOCKET EA . . . 25.00047-05798-0000 DETENT SPRING .030 EA . . . 1.00047-05798-0001 DETENT SPRING .025 EA . . . 1.00047-06689-0002 BRACKET ASSEMBLED EA . . . 1.00073-00505-0002 BRACKET EA . . . 1.00073-00550-0002 SHAFT W/F EA . . . 1.00076-01232-0003 SHAFT W/F EA . . . 1.00076-01433-0001 SPOOL W/F EA . . . 1.00078-00116-0000 SPRING COMPRESSION EA . . . 1.00088-00769-0000 SLEEVE LOCKING EA . . . 1.00088-00971-0000 SPCR PHOTODETECTOR EA . . . 1.00088-01022-0001 CONTACT ASSY EA . . . 2.00088-01053-0000 SWITCH HOUSING EA . . . 1.00088-01084-0000 SWITCH HOUSING EA . . . 1.00089-02136-0000 NUT LOCK 2-56 EA . . . 2.00089-05899-0011 SCR PHP 2-56X11/16 EA . . . 2.00089-06004-0003 SCR FHP 2-56X3/16 EA . . . 3.00089-08023-0030 WSHR FLT STD #2 EA . . . 1.00090-00019-0005 RING RTNR .188 EA . . . 2.00090-00036-0004 RING RTNR .051 EA . . . 1.00092-05009-0004 RVT BH 1/16X.125 EA . . . 2.00155-02169-0000 CABLE ASSY SW BD EA . . . 1.00200-06589-0099 COMMON BM EA 1.00 1.00 1.00 .


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------200-06589-0003 SW BD 5V SW 1/2 3200-06589-0004 SW BD 28V NO SW 4200-06589-0005 SW BD 5V NO SW AA200-06589-0099 COMMON BM AB

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0003 -0004 -0005 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CJ1 026-00030-0000 WIRE, CU, 24AWG, TINNED IN . . 1.00 .CR401 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR402 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR403 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR404 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR405 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR406 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR407 007-06016-0000 DIO S 1N4154 EA . . . 1.00CR408 007-06016-0000 DIO S 1N4154 EA . . . 1.00DS401 037-00034-0000 LMP 7715 T1 5V EA 1.00 . 1.00 .DS401 037-00034-0001 LMP 7839 T1 28V EA . 1.00 . .DS402 037-00034-0000 LMP 7715 T1 5V EA 1.00 . 1.00 .DS402 037-00034-0001 LMP 7839 T1 28V EA . 1.00 . .P402 030-02200-0008 VERT CRD CONN 8P EA . . . 1.00P404 030-02200-0008 VERT CRD CONN 8P EA . . . 2.00R401 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00R402 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00R403 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00R404 131-00334-0013 RES CF 330K EW 5% EA . . . 1.00REF1 300-06589-0000 SWITCH BD KFS 576A RF .00 .00 .00 .S401 031-00443-0001 SW ROTARY AJ-20 EA 1.00 . . .S402 031-00372-0001 SWITCH SLIDE SPDT EA . . . 1.00S403 031-00399-0002 SWITCH ASSY IDT EA . . . 1.00V401 134-05005-0000 PHOTODETECTOR EA . . . 1.00

009-06589-0000 PC BD SWITCH EA . . . 1.00012-01299-0000 INSULATING WASHER EA . . . 1.00016-01013-0000 VAC GREASE DC 976 AR . . . .00016-01040-0000 COATING TYPE AR AR . . . .00025-00018-0099 WIRE 26 WHT IN . . . 7.20026-00030-0000 WIRE, CU, 24AWG, TINNED IN . 1.00 . .030-01185-0000 CONNECTOR SOCKET EA . . . 25.00047-05798-0000 DETENT SPRING .030 EA . . . 1.00047-05798-0001 DETENT SPRING .025 EA . . . 1.00047-06689-0002 BRACKET ASSEMBLED EA . . . 1.00073-00505-0002 BRACKET EA . . . 1.00073-00550-0002 SHAFT W/F EA . . . 1.00076-01232-0003 SHAFT W/F EA . . . 1.00076-01433-0001 SPOOL W/F EA . . . 1.00078-00116-0000 SPRING COMPRESSION EA . . . 1.00088-00769-0000 SLEEVE LOCKING EA . . . 1.00088-00971-0000 SPCR PHOTODETECTOR EA . . . 1.00088-01022-0001 CONTACT ASSY EA . . . 2.00088-01053-0000 SWITCH HOUSING EA . . . 1.00088-01084-0000 SWITCH HOUSING EA . . . 1.00089-02136-0000 NUT LOCK 2-56 EA . . . 2.00089-05899-0011 SCR PHP 2-56X11/16 EA . . . 2.00089-06004-0003 SCR FHP 2-56X3/16 EA . . . 3.00089-08023-0030 WSHR FLT STD #2 EA . . . 1.00090-00019-0005 RING RTNR .188 EA . . . 2.00090-00036-0004 RING RTNR .051 EA . . . 1.00092-05009-0004 RVT BH 1/16X.125 EA . . . 2.00155-02169-0000 CABLE ASSY SW BD EA . . . 1.00200-06589-0099 COMMON BM EA 1.00 1.00 1.00 .


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------200-06589-0006 SW BD 28V 1/2 3200-06589-0007 SW BD 5V 1/2 1200-06589-0099 COMMON BM AB

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0006 -0007 -0099-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CR401 007-06016-0000 DIO S 1N4154 EA . . 1.00CR402 007-06016-0000 DIO S 1N4154 EA . . 1.00CR403 007-06016-0000 DIO S 1N4154 EA . . 1.00CR404 007-06016-0000 DIO S 1N4154 EA . . 1.00CR405 007-06016-0000 DIO S 1N4154 EA . . 1.00CR406 007-06016-0000 DIO S 1N4154 EA . . 1.00CR407 007-06016-0000 DIO S 1N4154 EA . . 1.00CR408 007-06016-0000 DIO S 1N4154 EA . . 1.00DS401 037-00034-0000 LMP 7715 T1 5V EA . 1.00 .DS401 037-00034-0001 LMP 7839 T1 28V EA 1.00 . .DS402 037-00034-0000 LMP 7715 T1 5V EA . 1.00 .DS402 037-00034-0001 LMP 7839 T1 28V EA 1.00 . .P402 030-02200-0008 VERT CRD CONN 8P EA . . 1.00P404 030-02200-0008 VERT CRD CONN 8P EA . . 2.00R401 131-00334-0013 RES CF 330K EW 5% EA . . 1.00R402 131-00334-0013 RES CF 330K EW 5% EA . . 1.00R403 131-00334-0013 RES CF 330K EW 5% EA . . 1.00R404 131-00334-0013 RES CF 330K EW 5% EA . . 1.00REF1 300-06589-0000 SWITCH BD KFS 576A RF .00 .00 .S401 031-00443-0002 SW ROTARY AJ-7 EA 1.00 1.00 .S402 031-00372-0001 SWITCH SLIDE SPDT EA . . 1.00S403 031-00399-0002 SWITCH ASSY IDT EA . . 1.00V401 134-05005-0000 PHOTODETECTOR EA . . 1.00

009-06589-0000 PC BD SWITCH EA . . 1.00012-01299-0000 INSULATING WASHER EA . . 1.00016-01013-0000 VAC GREASE DC 976 AR . . .00016-01040-0000 COATING TYPE AR AR . . .00025-00018-0099 WIRE 26 WHT IN . . 7.20030-01185-0000 CONNECTOR SOCKET EA . . 25.00047-05798-0000 DETENT SPRING .030 EA . . 1.00047-05798-0001 DETENT SPRING .025 EA . . 1.00047-06689-0002 BRACKET ASSEMBLED EA . . 1.00073-00505-0002 BRACKET EA . . 1.00073-00550-0002 SHAFT W/F EA . . 1.00076-01232-0003 SHAFT W/F EA . . 1.00076-01433-0001 SPOOL W/F EA . . 1.00078-00116-0000 SPRING COMPRESSION EA . . 1.00088-00769-0000 SLEEVE LOCKING EA . . 1.00088-00971-0000 SPCR PHOTODETECTOR EA . . 1.00088-01022-0001 CONTACT ASSY EA . . 2.00088-01053-0000 SWITCH HOUSING EA . . 1.00088-01084-0000 SWITCH HOUSING EA . . 1.00089-02136-0000 NUT LOCK 2-56 EA . . 2.00089-05899-0011 SCR PHP 2-56X11/16 EA . . 2.00089-06004-0003 SCR FHP 2-56X3/16 EA . . 3.00089-08023-0030 WSHR FLT STD #2 EA . . 1.00090-00019-0005 RING RTNR .188 EA . . 2.00090-00036-0004 RING RTNR .051 EA . . 1.00092-05009-0004 RVT BH 1/16X.125 EA . . 2.00155-02169-0000 CABLE ASSY SW BD EA . . 1.00200-06589-0099 COMMON BM EA 1.00 1.00 .


KFS 576A


KFS 576A


Figure 6-11 Switch Board(Dwg No 300-06589-0000 Rev AC)

KFS 576A


KFS 576A


Figure 6-12 Switch Board(Dwg No 300-06589-0000 Rev 5) (For Reference Only)

KFS 576A


KFS 576A


Figure 6-13 Switch Board Schematic(Dwg No 002-06589-0000 Rev 1)

KFS 576A


KFS 576A

PN DESCRIPTION REV-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------200-06626-0000 DRIVER BD AA

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------C302 113-05331-0000 CAP DC 330PF 500V EA 1.00C303 113-05331-0000 CAP DC 330PF 500V EA 1.00C304 111-02104-0041 CAP MC 100KPF50V10 EA 1.00C305 097-00103-0020 CAP AL 1.0UF 350V EA 1.00C306 111-00001-0063 CAP CR .022UF 200V EA 1.00C307 096-01006-0000 CAP TN 1.0UF 50V EA 1.00C308 111-02103-0041 CAP MC 10KPF50V10% EA 1.00C309 999-09999-0098 PLACE HOLDER RF .00C310 096-01082-0009 CAP TN 15UF 20V EA 1.00C311 096-01009-0000 CAP TN 22UF 15V EA 1.00CR301 007-06111-0000 DIO S IN4157 EA 1.00CR302 007-06016-0000 DIO S 1N4154 EA 1.00CR303 007-06111-0000 DIO S IN4157 EA 1.00CR304 007-06059-0000 DIO S FDH400 EA 1.00CR305 007-06059-0000 DIO S FDH400 EA 1.00I301 120-00163-0000 IC DI8884A EA 1.00I302 120-00161-0000 HIGH VOLT DSPLY DR EA 1.00I303 120-03138-0000 IC DI 240A EA 1.00I304 120-06045-0001 IC SCL4022ABC+ EA 1.00I305 120-03040-0000 IC SE555CN EA 1.00I306 120-03053-0000 IC LM358N EA 1.00I307 120-03025-0004 IC LM209H EA 1.00J302 030-02217-0005 HEADER RTANG 8P EA 1.00J304 030-02424-0002 HDR RTANG DBL 16P EA 1.00P301 030-01117-0000 RECEPTACLE EA 14.00Q301 007-00383-0001 XSTR S NPN 2N2222A EA 1.00

(TO-18 PACKAGE)Q302 007-00383-0001 XSTR S NPN 2N2222A EA 1.00

(TO-18 PACKAGE)Q303 007-00409-0003 XSTR S MM5416 EA 1.00Q304 007-00409-0000 XSTR S 2N3439 EA 1.00Q305 007-00409-0003 XSTR S MM5416 EA 1.00Q306 007-00383-0001 XSTR S NPN 2N2222A EA 1.00

(TO-18 PACKAGE)R301 131-00103-0013 RES CF 10K EW 5% EA 1.00R302 131-00103-0013 RES CF 10K EW 5% EA 1.00R303 131-00105-0013 RES CF 1M EW 5% EA 1.00R304 131-00105-0013 RES CF 1M EW 5% EA 1.00R305 131-00822-0013 RES CF 8.2K EW 5% EA 1.00R306 999-09999-0098 PLACE HOLDER RF .00R307 999-09999-0098 PLACE HOLDER RF .00R308 131-00912-0013 RES CF 9.1K EW 5% EA 1.00R309 131-00823-0013 RES CF 82K EW 5% EA 1.00R310 131-00240-0013 RES CF 24 EW 5% EA 1.00R311 131-00334-0013 RES CF 330K EW 5% EA 1.00R312 131-00104-0013 RES CF 100K EW 5% EA 1.00R313 131-00753-0013 RES CF 75K EW 5% EA 1.00R314 131-00683-0013 RES CF 68K EW 5% EA 1.00R315 131-00333-0013 RES CF 33K EW 5% EA 1.00R316 131-00204-0013 RES CF 200K EW 5% EA 1.00R317 131-00683-0013 RES CF 68K EW 5% EA 1.00R318 131-00432-0013 RES CF 4.3K EW 5% EA 1.00R319 131-00683-0013 RES CF 68K EW 5% EA 1.00R320 131-00204-0013 RES CF 200K EW 5% EA 1.00R321 131-00154-0013 RES CF 150K EW 5% EA 1.00R322 131-00394-0013 RES CF 390K EW 5% EA 1.00R323 131-00202-0013 RES CF 2K EW 5% EA 1.00R324 131-00154-0013 RES CF 150K EW 5% EA 1.00


KFS 576A

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SYMBOL PART NUMBER FIND NO DESCRIPTION UM -0000-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------R325 131-00394-0013 RES CF 390K EW 5% EA 1.00R326 131-00512-0013 RES CF 5.1K EW 5% EA 1.00R327 133-00122-0001 RES VA 2K HW 20% EA 1.00R328 131-00105-0013 RES CF 1M EW 5% EA 1.00R329 131-00105-0013 RES CF 1M EW 5% EA 1.00R330 131-00823-0013 RES CF 82K EW 5% EA 1.00R331 131-00103-0013 RES CF 10K EW 5% EA 1.00REF1 300-06626-0000 DRIVER BD ASSY RF .00REF2 002-06626-0000 SCH DRIVER BOARD KFS 576 RF .00TP301 008-00096-0001 TERMINAL TEST PNT EA 1.00TP302 008-00096-0001 TERMINAL TEST PNT EA 1.00TP303 008-00096-0001 TERMINAL TEST PNT EA 1.00TP304 008-00096-0001 TERMINAL TEST PNT EA 1.00U301 015-00055-0001 NTWK RES 1M10%.125 EA 1.00

009-06626-0000 PC BD DRIVER EA 1.00016-01040-0000 COATING TYPE AR AR .00033-00092-0011 IC DIP SCKT 16C EA 1.00033-00092-0012 IC DIP SCKT 18C EA 3.00090-00307-0000 HEAT SINK FOR TO-5 EA 1.00091-00025-0000 WSHR XSTR INSUL EA 2.00091-00182-0000 CAP SEMICN TO-5 EA 2.00192-06626-0000 KFS 576A DRIVER BOARD RF .00

ASSY


KFS 576A



KFS 576A


Figure 6-14 Driver Board(Dwg No 300-06626-0000 Rev 4)

KFS 576A


KFS 576A


Figure 6-15 Driver Board(Dwg No 300-06626-0000 Rev 2) (For Reference Only)

KFS 576A


KFS 576A


Figure 6-16 Driver Board Schematic(Dwg No 002-06626-0000 Rev 1)

KFS 576A


THE END

KFS-576A Maintenance Manual

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Transcript of KFS-576A Maintenance Manual