LCD TV SERVICE MANUAL - Cjoint.com...Unless specified otherwise in this service manual, lubrication...

LCD TVSERVICE MANUAL

CAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

CHASSIS : LD91G

MODEL : 47LH4000 42LH4000-ZA

North/Latin America http://aic.lgservice.comEurope/Africa http://eic.lgservice.comAsia/Oceania http://biz.lgservice.com

Internal Use Only

LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

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CONTENTS

CONTENTS .............................................................................................. 2

PRODUCT SAFETY ..................................................................................3

SPECIFICATION ........................................................................................6

ADJUSTMENT INSTRUCTION .................................................................9

TROUBLE SHOOTING ............................................................................14

BLOCK DIAGRAM...................................................................................17

EXPLODED VIEW .................................................................................. 18

SVC. SHEET ...............................................................................................


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SAFETY PRECAUTIONS

Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in theSchematic Diagram and Exploded View.It is essential that these special safety parts should be replaced with the same components as recommended in this manual to preventShock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

General Guidance

An isolation Transformer should always be used during theservicing of a receiver whose chassis is not isolated from the ACpower line. Use a transformer of adequate power rating as thisprotects the technician from accidents resulting in personal injuryfrom electrical shocks.

It will also protect the receiver and it's components from beingdamaged by accidental shorts of the circuitry that may beinadvertently introduced during the service operation.

If any fuse (or Fusible Resistor) in this TV receiver is blown,replace it with the specified.

When replacing a high wattage resistor (Oxide Metal Film Resistor,over 1W), keep the resistor 10mm away from PCB.

Keep wires away from high voltage or high temperature parts.

Before returning the receiver to the customer,

always perform an AC leakage current check on the exposedmetallic parts of the cabinet, such as antennas, terminals, etc., tobe sure the set is safe to operate without damage of electricalshock.

Leakage Current Cold Check(Antenna Cold Check)With the instrument AC plug removed from AC source, connect anelectrical jumper across the two AC plug prongs. Place the ACswitch in the on position, connect one lead of ohm-meter to the ACplug prongs tied together and touch other ohm-meter lead in turn toeach exposed metallic parts such as antenna terminals, phonejacks, etc. If the exposed metallic part has a return path to the chassis, themeasured resistance should be between 1MΩ and 5.2MΩ. When the exposed metal has no return path to the chassis thereading must be infinite.An other abnormality exists that must be corrected before thereceiver is returned to the customer.

Leakage Current Hot Check (See below Figure) Plug the AC cord directly into the AC outlet.

Do not use a line Isolation Transformer during this check.Connect 1.5K/10watt resistor in parallel with a 0.15uF capacitorbetween a known good earth ground (Water Pipe, Conduit, etc.)and the exposed metallic parts.Measure the AC voltage across the resistor using AC voltmeterwith 1000 ohms/volt or more sensitivity.Reverse plug the AC cord into the AC outlet and repeat AC voltagemeasurements for each exposed metallic part. Any voltagemeasured must not exceed 0.75 volt RMS which is corresponds to0.5mA.In case any measurement is out of the limits specified, there ispossibility of shock hazard and the set must be checked andrepaired before it is returned to the customer.

Leakage Current Hot Check circuit

1.5 Kohm/10W

To Instrument'sexposed METALLIC PARTS

Good Earth Groundsuch as WATER PIPE,CONDUIT etc.

AC Volt-meter

When 25A is impressed between Earth and 2nd Groundfor 1 second, Resistance must be less than 0.1*Base on Adjustment standard

IMPORTANT SAFETY NOTICE

0.15uF

Ω


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CAUTION: Before servicing receivers covered by this servicemanual and its supplements and addenda, read and follow theSAFETY PRECAUTIONS on page 3 of this publication.NOTE: If unforeseen circumstances create conflict between thefollowing servicing precautions and any of the safety precautions onpage 3 of this publication, always follow the safety precautions.Remember: Safety First.

General Servicing Precautions1. Always unplug the receiver AC power cord from the AC power

source before;a. Removing or reinstalling any component, circuit board

module or any other receiver assembly.b. Disconnecting or reconnecting any receiver electrical plug or

other electrical connection.c. Connecting a test substitute in parallel with an electrolytic

capacitor in the receiver.CAUTION: A wrong part substitution or incorrect polarityinstallation of electrolytic capacitors may result in anexplosion hazard.

2. Test high voltage only by measuring it with an appropriate highvoltage meter or other voltage measuring device (DVM,FETVOM, etc) equipped with a suitable high voltage probe.Do not test high voltage by "drawing an arc".

3. Do not spray chemicals on or near this receiver or any of itsassemblies.

4. Unless specified otherwise in this service manual, cleanelectrical contacts only by applying the following mixture to thecontacts with a pipe cleaner, cotton-tipped stick or comparablenon-abrasive applicator; 10% (by volume) Acetone and 90% (byvolume) isopropyl alcohol (90%-99% strength)CAUTION: This is a flammable mixture.Unless specified otherwise in this service manual, lubrication ofcontacts in not required.

5. Do not defeat any plug/socket B+ voltage interlocks with whichreceivers covered by this service manual might be equipped.

6. Do not apply AC power to this instrument and/or any of itselectrical assemblies unless all solid-state device heat sinks arecorrectly installed.

7. Always connect the test receiver ground lead to the receiverchassis ground before connecting the test receiver positivelead.Always remove the test receiver ground lead last.

8. Use with this receiver only the test fixtures specified in thisservice manual.CAUTION: Do not connect the test fixture ground strap to anyheat sink in this receiver.

Electrostatically Sensitive (ES) DevicesSome semiconductor (solid-state) devices can be damaged easilyby static electricity. Such components commonly are calledElectrostatically Sensitive (ES) Devices. Examples of typical ESdevices are integrated circuits and some field-effect transistors andsemiconductor "chip" components. The following techniquesshould be used to help reduce the incidence of componentdamage caused by static by static electricity.1. Immediately before handling any semiconductor component or

semiconductor-equipped assembly, drain off any electrostaticcharge on your body by touching a known earth ground.Alternatively, obtain and wear a commercially availabledischarging wrist strap device, which should be removed toprevent potential shock reasons prior to applying power to the

unit under test.2. After removing an electrical assembly equipped with ES

devices, place the assembly on a conductive surface such asaluminum foil, to prevent electrostatic charge buildup orexposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ESdevices.

4. Use only an anti-static type solder removal device. Some solderremoval devices not classified as "anti-static" can generateelectrical charges sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generateelectrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protectivepackage until immediately before you are ready to install it.(Most replacement ES devices are packaged with leadselectrically shorted together by conductive foam, aluminum foilor comparable conductive material).

7. Immediately before removing the protective material from theleads of a replacement ES device, touch the protective materialto the chassis or circuit assembly into which the device will beinstalled.CAUTION: Be sure no power is applied to the chassis or circuit,and observe all other safety precautions.

8. Minimize bodily motions when handling unpackagedreplacement ES devices. (Otherwise harmless motion such asthe brushing together of your clothes fabric or the lifting of yourfoot from a carpeted floor can generate static electricitysufficient to damage an ES device.)

General Soldering Guidelines1. Use a grounded-tip, low-wattage soldering iron and appropriate

tip size and shape that will maintain tip temperature within therange or 500°F to 600°F.

2. Use an appropriate gauge of RMA resin-core solder composedof 60 parts tin/40 parts lead.

3. Keep the soldering iron tip clean and well tinned.4. Thoroughly clean the surfaces to be soldered. Use a mall wire-

bristle (0.5 inch, or 1.25cm) brush with a metal handle.Do not use freon-propelled spray-on cleaners.

5. Use the following unsoldering techniquea. Allow the soldering iron tip to reach normal temperature.

(500°F to 600°F)b. Heat the component lead until the solder melts.c. Quickly draw the melted solder with an anti-static, suction-

type solder removal device or with solder braid.CAUTION: Work quickly to avoid overheating the circuitboard printed foil.

6. Use the following soldering technique.a. Allow the soldering iron tip to reach a normal temperature

(500°F to 600°F)b. First, hold the soldering iron tip and solder the strand against

the component lead until the solder melts.c. Quickly move the soldering iron tip to the junction of the

component lead and the printed circuit foil, and hold it thereonly until the solder flows onto and around both thecomponent lead and the foil.CAUTION: Work quickly to avoid overheating the circuitboard printed foil.

d. Closely inspect the solder area and remove any excess orsplashed solder with a small wire-bristle brush.

SERVICING PRECAUTIONS


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IC Remove/ReplacementSome chassis circuit boards have slotted holes (oblong) throughwhich the IC leads are inserted and then bent flat against thecircuit foil. When holes are the slotted type, the following techniqueshould be used to remove and replace the IC. When working withboards using the familiar round hole, use the standard techniqueas outlined in paragraphs 5 and 6 above.

Removal1. Desolder and straighten each IC lead in one operation by gently

prying up on the lead with the soldering iron tip as the soldermelts.

2. Draw away the melted solder with an anti-static suction-typesolder removal device (or with solder braid) before removing theIC.

Replacement1. Carefully insert the replacement IC in the circuit board.2. Carefully bend each IC lead against the circuit foil pad and

solder it.3. Clean the soldered areas with a small wire-bristle brush.

(It is not necessary to reapply acrylic coating to the areas).

"Small-Signal" Discrete TransistorRemoval/Replacement1. Remove the defective transistor by clipping its leads as close as

possible to the component body.2. Bend into a "U" shape the end of each of three leads remaining

on the circuit board.3. Bend into a "U" shape the replacement transistor leads.4. Connect the replacement transistor leads to the corresponding

leads extending from the circuit board and crimp the "U" withlong nose pliers to insure metal to metal contact then soldereach connection.

Power Output, Transistor DeviceRemoval/Replacement1. Heat and remove all solder from around the transistor leads.2. Remove the heat sink mounting screw (if so equipped).3. Carefully remove the transistor from the heat sink of the circuit

board.4. Insert new transistor in the circuit board.5. Solder each transistor lead, and clip off excess lead.6. Replace heat sink.

Diode Removal/Replacement1. Remove defective diode by clipping its leads as close as

possible to diode body.2. Bend the two remaining leads perpendicular y to the circuit

board.3. Observing diode polarity, wrap each lead of the new diode

around the corresponding lead on the circuit board.4. Securely crimp each connection and solder it.5. Inspect (on the circuit board copper side) the solder joints of

the two "original" leads. If they are not shiny, reheat them and ifnecessary, apply additional solder.

Fuse and Conventional ResistorRemoval/Replacement1. Clip each fuse or resistor lead at top of the circuit board hollow

stake.2. Securely crimp the leads of replacement component around

notch at stake top.3. Solder the connections.

CAUTION: Maintain original spacing between the replacedcomponent and adjacent components and the circuit board toprevent excessive component temperatures.

Circuit Board Foil RepairExcessive heat applied to the copper foil of any printed circuitboard will weaken the adhesive that bonds the foil to the circuitboard causing the foil to separate from or "lift-off" the board. Thefollowing guidelines and procedures should be followed wheneverthis condition is encountered.

At IC ConnectionsTo repair a defective copper pattern at IC connections use thefollowing procedure to install a jumper wire on the copper patternside of the circuit board. (Use this technique only on ICconnections).

1. Carefully remove the damaged copper pattern with a sharpknife. (Remove only as much copper as absolutely necessary).

2. carefully scratch away the solder resist and acrylic coating (ifused) from the end of the remaining copper pattern.

3. Bend a small "U" in one end of a small gauge jumper wire andcarefully crimp it around the IC pin. Solder the IC connection.

4. Route the jumper wire along the path of the out-away copperpattern and let it overlap the previously scraped end of the goodcopper pattern. Solder the overlapped area and clip off anyexcess jumper wire.

At Other ConnectionsUse the following technique to repair the defective copper patternat connections other than IC Pins. This technique involves theinstallation of a jumper wire on the component side of the circuitboard.

1. Remove the defective copper pattern with a sharp knife.Remove at least 1/4 inch of copper, to ensure that a hazardouscondition will not exist if the jumper wire opens.

2. Trace along the copper pattern from both sides of the patternbreak and locate the nearest component that is directlyconnected to the affected copper pattern.

3. Connect insulated 20-gauge jumper wire from the lead of thenearest component on one side of the pattern break to the leadof the nearest component on the other side.Carefully crimp and solder the connections.CAUTION: Be sure the insulated jumper wire is dressed so theit does not touch components or sharp edges.


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SPECIFICATIONNOTE : Specifications and others are subject to change without notice for improvement.

4. Electrical specification4.1 Module General Specification

1. Application rangeThis specification is applied to the LCD TV used LD91Gchassis.

2. Requirement for TestEach part is tested as below without special appointment.

1) Temperature : 25±5ºC (77±9ºF), CST : 40±5ºC2) Relative Humidity : 65±10%3) Power Voltage : Standard input voltage (100-240V@50/60Hz)

* Standard Voltage of each products is marked by models.4) Specification and performance of each parts are followed

each drawing and specif ication by part number inaccordance with BOM.

5) The receiver must be operated for about 5 minutes prior tothe adjustment.

3. Test method1) Performance: LGE TV test method followed 2) Demanded other specification

- Safety: CE, IEC specification- EMC:CE, IEC

No Item Specification Remark

1 Screen Device 47” wide color display module

2 Aspect Ratio 16:9

3 LCD Module 47” TFT LCD FHD

4 Storage Environment Temp.:-20 ~ 60 deg

Humidity : 10 ~ 90 %

5 Input Voltage AC100-240V~, 50/60Hz

6 Power Consumption Typ : 212 LCD(Module) + Backlight(Lamp)

7 Module Size 1096.0 (H) x 640.0 (V) x 46 (D) Without inverter

8 Pixel Pitch 0.5415 mm(D)

9 Back Light EEFL

10 Display Colors 1.06Billion(FHD LGD),16.7M (others)

11 Coating 3H, AG

- 7 - LGE Internal Use OnlyCopyright ©2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

5. Chroma& Brightness5.1 Module optical specification

1) Standard Test Condition (The unit has been ‘ON’)2) Stable for approximately 30 minutes in a dark environment at 25±2°…3) The values specified are at approximate distance 50Cm from the LCD surface4) Ta=25±2°C, VLCD=12.0V, fV=60Hz, Dclk=74.25MHz VBR_A=1.65V,ExtVBR_B=100%

No. Item Specification Min. Typ. Max. Remark

1. Viewing Angle<CR>10> Right/Left/Up/Down 178 Degree

2. Luminance Luminance (cd/m2) 400 500

Variation - 1.3 MAX /MIN

3. Contrast Ratio CR 1000 1400

4. CIE Color Coordinates White WX 0.279

WY 0.292 Typ

RED Xr 0.636 ±0.03

Yr 0.334

Green Xg 0.290

Yg 0.608

Blue Xb 0.145

Yb 0.064

6. Component Video Input (Y, CB/PB, CR/PR)

NoSpecification

RemarkResolution H-freq(kHz) V-freq(Hz)

1. 720x480 15.73 60.00 SDTV,DVD 480i

2. 720x480 15.63 59.94 SDTV,DVD 480i

3. 720x480 31.47 59.94 480p

4. 720x480 31.50 60.00 480p

5. 720x576 15.625 50.00 SDTV,DVD 625 Line

6. 720x576 31.25 50.00 HDTV 576p

7. 1280x720 45.00 50.00 HDTV 720p

8. 1280x720 44.96 59.94 HDTV 720p

9. 1280x720 45.00 60.00 HDTV 720p

10. 1920x1080 31.25 50.00 HDTV 1080i

11. 1920x1080 33.75 60.00 HDTV 1080i

12. 1920x1080 33.72 59.94 HDTV 1080i

13. 1920x1080 56.250 50 HDTV 1080p

14. 1920x1080 67.5 60 HDTV 1080p


NoSpecification

Proposed RemarkResolution H-freq(kHz) V-freq(Hz) Pixel Clock(MHz)

1. 720*400 31.468 70.08 28.321 For only DOS mode

2. 640*480 31.469 59.94 25.17 VESA Input 848*480 60Hz, 852*480 60Hz

-> 640*480 60Hz Display

3. 800*600 37.879 60.31 40.00 VESA

4. 1024*768 48.363 60.00 65.00 VESA(XGA)

5. 1280*768 47.78 59.87 79.5 WXGA

6. 1360*768 47.72 59.8 84.75 WXGA

7. 1366*768 47.56 59.6 84.75 WXGA

8. 1280*1024 63.595 60.0 108.875 SXGA FHD model

9. 1600*1200 74.07 59.98 130.375 UXGA FHD model

10. 1280*720 45 60 74.25 720P DTV Standard

11. 1920*1080 66.647 59.988 138.625 WUXGA FHD model

7. RGB (PC)

8. HDMI Input (PC/DTV)(1) DTV Mode

No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark

1. 720*400 31.468 70.08 28.321 HDCP

2. 640*480 31.469 59.94 25.17 VESA HDCP

3. 800*600 37.879 60.31 40.00 VESA HDCP

4. 1024*768 48.363 60.00 65.00 VESA(XGA) HDCP

5. 1280*768 47.78 59.87 79.5 WXGA HDCP

6. 1360*768 47.72 59.8 84.75 WXGA HDCP

7. 1366*768 47.56 59.6 84.75 WXGA HDCP

8. 1280*1024 63.595 60.0 108.875 SXGA HDCP

9. 1600*1200 74.07 59.98 130.375 UXGA HDCP

10. 1920*1080 66.647 59.988 138.625 WUXGA HDCP

(2) PC Mode

No Resolution H-freq(kHz) V-freq.(Hz) Pixel clock(MHz) Proposed Remark

1. 720*480 15.734 /15.6 59.94 /60 27.00 SDTV 480I

2. 720*480 31.469 /31.5 59.94 /60 27.00/27.03 SDTV 480P

3. 720*576 15.625 50 27(54) SDTV 576I

4. 720*576 31.25 50 54 SDTV 576P

5. 1280*720 37.500 50 74.25 HDTV 720P

6. 1280*720 44.96 /45 59.94 /60 74.17/74.25 HDTV 720P

7. 1920*1080 33.72 /33.75 59.94 /60 74.17/74.25 HDTV 1080I

8. 1920*1080 28.125 50.00 74.25 HDTV 1080I

9. 1920*1080 26.97 /27 23.97 /24 74.17/74.25 HDTV 1080P

10. 1920*1080 33.716 /33.75 29.976 /30.00 74.25 HDTV 1080P

11. 1920*1080 56.250 50 148.5 HDTV 1080P

12. 1920*1080 67.43 /67.5 59.94 /60 148.35/148.50 HDTV 1080P


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ADJUSTMENT INSTRUCTION

1. Application RangeThis specification sheet is applied to all of the LCD TV withLD91G chassis.

2. Designation1) The adjustment is according to the order which isdesignated and which must be followed, according to the planwhich can be changed only on agreeing.2) Power Adjustment: Free Voltage3) Magnetic Field Condition: Nil.4) Input signal Unit: Product Specification Standard5) Reserve after operation: Above 5 Minutes (Heat Run)

Temperature : at 25±5ºC Relative humidity : 65±10%Input voltage : 220V, 60Hz

6) Adjustment equipments: Color Analyzer (CA-210 or CA-110), DDC Adjustment Jig equipment, SVC remotecontroller

7) Push The “IN STOP KEY” - For memory initialization.

3. Main PCB check process* APC - After Manual-Insult, executing APC

* Boot file Download1. Execute ISP program “Mstar ISP Utility” and then click

“Config” tab.2. Set as below, and then click “Auto Detect” and check “OK”

messageIf “Error” is displayed, Check connection betweencomputer, jig, and set.

3. Click “Read” tab, and then load download file (XXXX.bin) byclicking “Read”

4. Click “Connect” tab. If “Can’t” is displayed, checkconnection between computer, jig, and set.

5. Click “Auto” tab and set as below6. Click “Run”.7. After downloading, check “OK” message.

* USB DOWNLOAD1) Put the USB Stick to the USB socket 2) Automatically detecting update file in USB Stick

- If your downloaded program version in USB Stick is Low,it didn’t work. But your downloaded version is High, USBdata is automatically detecting

3) Show the message “Copying files from memory”

filexxx.bin

(5)

(7) ……….OK

(5)

(6)

(3)

fi lexxx.bin

(1) (4)

Please Check the Speed : To use speed between from 200KHz to 400KHz

Case1 : Software version up1. After downloading S/W by USB, TV set will reboot

automatically2. Push “In-stop” key3. Push “Power on” key4. Function inspection5. After function inspection, Push “I n-stop” key.

Case2 : Function check at the assembly line1. When TV set is entering on the assembly line, Push

“In-stop” key at first.2. Push “Power on” key for turning it on.

-> If you push “Power on” key, TV set will recoverchannel information by itself.

3. After function inspection, Push “In-stop” key.

4) Updating is staring.

5) Fishing the version uploading, you have to put USB stickand “AC Power” off.

6) After putting “AC Power” on and check updated version onyour TV.* If downloading version is more high than your TV have,

TV can lost all channel data. In this case, you have tochannel recover. if all channel data is cleared, you didn’thave a DTV/ATV test on production line.

* After downloading, have to adjust Tool Option again.1) Push "IN-START" key in service remote controller 2) Select “Tool Option 1” and Push “OK” button.3) Punch in the number. (Each model hax their number)4) Completed selecting Tool option.

3.1. ADC Process(1) ADC

• Input signal : Component 480i• Signal equipment displays.

- Component 480IMODEL: 209 in Pattern Generator(480i Mode)PATTERN : 65 in Pattern Generator(MSPG-925 SERIES)

• After enter Service Mode by pushing “ADJ” key,• Enter Internal ADC mode by pushing “G” key at “5. ADC

Calibration”

<Caution> Using ‘power on’ button of the Adjustment R/C ,power on TV.

* ADC Calibration Protocol (RS232)

Adjust Sequence• aa 00 00 [Enter Adjust Mode]• xb 00 40 [Component1 Input (480i)]• ad 00 10 [Adjust 480i Comp1]• xb 00 60 [RGB Input (1024*768)]• ad 00 10 [Adjust 1024*768 RGB]• aa 00 90 End Adjust mode* Required equipment : Adjustment R/C.

3.2 Function Check(1) Check display and sound

· Check Input and Signal items. (cf. work instructions)1. TV2. AV (SCART1/SCART2/ CVBS)3. COMPONENT (480i)4. RGB (PC : 1024 x 768 @ 60hz)5. HDMI6. PC Audio In

* Display and Sound check is executed by Remote controller.


Model Tool option1 Tool option2 Tool option3 Tool option4

47LH4000 28928 2598 36260 3584

Item CMD1 CMD2 Data0

Adjust A A 0 0 When transfer the ‘Mode In’,

‘Mode In’ Carry the command.

ADC Adjust A D 1 0 Automatically adjustment

(The use of a internal pattern)

Adjustment pattern

4. Total Assembly line process4.1. Adjustment Preparation

· W/B Equipment conditionCA210 : CH 9, Test signal : Inner pattern (85IRE)

· Above 5 minutes H/run in the inner pattern. (“power on” keyof adjust remote control)

* Connecting picture of the measuring instrument(On Automatic control)Inside PATTERN is used when W/B is controlled. Connect toauto controller or push Adjustment R/C POWER ON ->Enter the mode of White-Balance, the pattern will come out

* Auto-control interface and directions1) Adjust in the place where the influx of light like floodlight

around is blocked. (illumination is less than 10ux).2) Adhere closely the Color Analyzer (CA210) to the module

less than 10cm distance, keep it with the surface of theModule and Color Analyzer’s Prove vertically.(80~100°).

3) Aging time- After aging start, keep the power on (no suspension of

power supply) and heat-run over 15minutes.- Using ‘no signal’ or ‘full white pattern’ or the others,

check the back light on.

• Auto adjustment Map(RS-232C)

** Caution **Color Temperature : COOL, Medium, Warm. One of R Gain/G Gain/ B Gain should be kept on 0xC0, andadjust other two lower than C0.(when R/G/B Gain are all C0, it is the FULL Dynamic Rangeof Module)

* Manual W/B process using adjusts Remote control.• After enter Service Mode by pushing “ADJ” key,• Enter White Balance by pushing “G” key at “3. White

Balance”.

* After done all adjustments, Press “In-start” button andcompare Tool option and Area option value with its BOM, ifit is correctly same then unplug the AC cable. If it is notsame, then correct it same with BOM and unplug AC cable.For correct it to the model’s module from factory JIG model.

* Push The “IN STOP KEY” after completing the functioninspection.

4.2. DDC EDID Write (RGB 128Byte )• Connect D-sub Signal Cable to D-sub Jack.• Write EDID Data to EEPROM(24C02) by using DDC2B

protocol.• Check whether written EDID data is correct or not.* For SVC main Ass’y, EDID have to be downloaded to Insert

Process in advance.

4.3. DDC EDID Write (HDMI 256Byte)• Connect HDMI Signal Cable to HDMI Jack.• Write EDID Data to EEPROM(24C02) by using DDC2B

protocol.• Check whether written EDID data is correct or not.* For SVC main Ass’y, EDID have to be downloaded to Insert

Process in advance.

4.4. EDID DATA1) All Data : HEXA Value2) Changeable Data :*: Serial No : Controlled / Data:01**: Month : Controlled / Data:00***:Year : Controlled****:Check sum


Cool 11,000k ºK X=0.276(±0.002)

Y=0.283(±0.002) <Test Signal>

Medium 9,300k ºK X=0.285(±0.002) Inner pattern

Y=0.293(±0.002) (216gray,85IRE)

Warm 6,500k ºK X=0.313(±0.002)

Y=0.329(±0.002)

Full White Pattern

COLORANALYZERTYPE: CA-210

RS-232C Communication

CA-210

RS-232C COMMAND MIN CENTER MAX

[CMD ID DATA] (DEFAULT)

Cool Mid Warm Cool Mid Warm

R Gain jg Ja jd 00 172 192 192 255

G Gain jh Jb je 00 172 192 192 255

B Gain ji Jc jf 00 192 192 172 255

R Cut 64 64 64 128

G Cut 64 64 64 128

B Cut 64 64 64 128

- Auto Download• After enter Service Mode by pushing “ADJ” key,• Enter EDID D/L mode.• Enter “START” by pushing “OK” key.

* Edid data and Model option download (RS232)

- Manual Download* Caution

1) Use the proper signal cable for EDID Download- Analog EDID : Pin3 exists- Digital EDID : Pin3 exists- Nerver connect HDMI & D-sub Cable at the same time.- Use the proper cables below for EDID Writing- Download HDMI1, HDMI2, separately because HDMI1

is different from HDMI3

1) Analog Data 128Byte (2Bi)

2) DIGITAL DATA(HDMI-1/2/3/4) 256Byte

* Detail EDID Options are below Product ID

Serial No: Controlled on production line.

Month, Year: Controlled on production line:ex) Monthly : ‘09’ -> ‘09’

Year : ‘2006’ -> ‘10’

Model Name(Hex):

Checksum: Changeable by total EDID data.

Vendor Specific(HDMI)

Model Name HEX EDID Table DDC Function

FHD Model 0001 01 00 Analog/Digital

HD Model 0000 00 00 Analog/Digital


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For Analog EDID For HDMI EDID D-sub to D-sub DVI-D to HDMI or HDMI to HDMI

No. Item Condition Hex Data 1 ManufacturerID GSM 1E6D2 Version Digital : 1 01 3 Revision Digital : 3 03

b

e

a

d

c

d

b

e

a

d

c

d

f

f

MODEL MODEL NAME(HEX)

all 00 00 00 FC 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20

INPUT MODEL NAME(HEX)

HDMI1 67030C001000B82D

HDMI2 67030C002000B82D

HDMI3 67030C003000B82D

Item CMD1 CMD2 Data0

Download A A 0 0 When transfer the ‘Mode In’,

‘Mode In’ Carry the command.

Download A E 00 10 Automatically Download

(The use of a internal pattern)


4.5. V-COM Adjust(Only 37/42/47LH4000-ZA)- Why need Vcom adjustment?A The Vcom (Common Voltage) is a Reference Voltage of

Liquid Crystal Driving.-> Liquid Crystal need for Polarity Change with every frame.

- Adjust sequence· After enter Service Mode by pushing “ADJ” key.· Enter V-Com Adjust mode by pushing “G” key at “10. V-Com”

· As pushing the right or the left button on the remotecontroller, Find the V-COM value that is stopped the Flicker.

· If there is no flicker at default value, turn down or turn up atleast 20 step and check the flicker. Then go to the defaultvalue.

· Push the store button by “OK” key in the ADJ remocon.

4.6. Outgoing condition Configuration- When pressing IN-STOP key by SVC remocon, Red LED are

blinked alternatively. And then Automatically turn off.(Must not AC power OFF during blinking)

4.7. Internal pressureConfirm whether is normal or not when between powerboard's ac block and GND is impacked on 1.5kV(dc) or2.2kV(dc) for one second

5. Serial number D/L• press “Power on” key of service remocon.

(Baud rate : 115200 bps)• Connect RS232 Signal Cable to RS-232 Jack.• Write Serial number by use RS-232.• Must check the serial number at the Diagnostics of SET UP

menu. (Refer to below).

5.1. Signal TABLE

CMD : A0hLENGTH : 85~94h (1~16 bytes)ADH : EEPROM Sub Address high (00~1F)ADL : EEPROM Sub Address low (00~FF)Data : Write dataCS : CMD + LENGTH + ADH + ADL + Data_1 +…+ Data_nDelay : 20ms

5.2. Command Set

* DescriptionFOS Default write : <7mode data> writeVtotal, V_Frequency, Sync_Polarity, Htotal, Hstart, Vstart, 0,PhaseData write : Model Name and Serial Number write in

EEPROM,.

5.3. method & noticeA. Serial nember D/L is using of scan equipment.B. Setting of scan equipment operated by Manufacturing

Technology Group.C. Serial number D/L must be conformed when it is produced

in production line, because serial number D/L is mandatoryby D-book 4.0.

CMD LENGTH ADH ADL DATA_1 . . . Data_n CS DELAY

No. Adjust mode CMD(hex) LENGTH(hex) Description

1 EEPROM WRITE A0h 84h+n n-bytes Write (n = 1~16)

Row Line

Column Line

CLC CST

Panel

S

Y

S

T

E

M

Gat

e D

rive

IC

So urce D r iv e I C

Circuit Block

Ti m in g Cont r o ll er

Po w er Blo ck

VCOM

GammaRe f er ence V o ltage

Gamm a ReferenceVolta ge

Data (R,G,B) & C ont ro l s ignal

Cont rol si gnal

Data (R,G,B ) &Cont rol si gnal

Inte

rfac

e

TFT

Po w er I n p u tPower Input

Da t a I n pu tDa t a I n pu t

VCOM

Liquid Crystal

VCOM

(Visual Adjust and control the Voltage level)


- 14 -

1. TV/CATV doesn’t display

TROUBLESHOOTING

2. DTV doesn’t display

Check the output data of TU1200 Pin 4,21,22.Can you see the normal signal?

NO Could you measure voltage of TU1200 &IIC lines?

Are they all normal?

NOYou should check power line

& IIC lines.

YES

You should replace Main Board.YES

Check the output of Main IC(IC100).Especially you should check

The H,V sync and clock.Can you see the normal waveform?

YES

NO After checking the Power of Main IC(IC100) youshould decide to replace Main IC or not.

This board has big problem because MainIC(IC100) have some troubles.

After checking thoroughly all path once again,You should decide to replace Main Board or not.

Check TU1200.Can you see the normal signal?

Check the output of TR(Q1201).Can you see the normal waveform?



YES

YES

NO Could you measure voltage of TU1200 &IIC lines?

Are they all normal?

YES

NO You should check power line& IIC lines.

YES

You should replace Main Board.

NOYou should decide to replace TR (Q1201) or not.

NOAfter checking the Power of Main IC(IC100) you

should decide to replace Main IC or not.




- 15 -

3. AV 1/2 doesn’t display

Check JK1100, JK1101Can you see the normal waveform?

NOJK1100, JK1101 may have problem. Replace

this Jack.



YES




YES

4. Component doesn’t display

Check JK400Can you see the normal waveform?

YES

NOJK400

may have problem. Replace this Jack.



YES





- 16 -

5. RGB PC doesn’t display

Check P400 ,Can you see the normal waveform?

NOP400




YES




YES

6. HDMI doesn’t display

Check input connect JK600, JK601, JK602Can you see the normal waveform?

Check DDC communication lines(IC100,IC107)

YES

YES

NOJK600, JK601, JK602


NOAfter checking the Power of this chip, you

should decide to replace this or not.

YES

Check HDCP communication lines(IC107)NO

After checking the Power of this chip, youshould decide to replace this or not.



YES

NOAfter checking the Power of Main IC(IC100) you

should decide to replace Main IC or not.




- 17 -

BLOCK DIAGRAM

RG

B

CO

MP

ON

EN

T

F-S

CA

RT

AV

3

BU

F_T

S_C

LK/E

RR

/SY

N/D

AT

A[0

]

AV

_CV

BS

_IN

DD

R2

SD

RA

M(1

Gb)

IC30

0

NA

ND

Fla

shH

YN

IXIC

102

US

B

Dig

ital a

mp

(NT

P31

00L)

IC70

1

CO

MP

_Y/P

b/P

r

SC

1_C

VB

S_I

N

SC

2_C

VB

S_I

N

I2S

DS

UB

_ R

/G/B

Tuner (TDFW-G235D)

TU1200

LCD

Pan

el

74LVC541ABufferIC502

CI Slot(P500)

74LCX244BufferIC501

PC

M_A

[0:7

]

FE

_VM

AIN

PC

M_A

[0:7

]

SD

DR

_D[0

:15]

DD

R2

SD

RA

M(5

12M

b)IC

301

TD

DR

_D[0

:15]

SD

DR

_A[0

:12]

Mst

arS

6

LG

E33

68A

(IC

100)

MP

6205

DH

US

B P

ower

IC

402

US

B P

ower

FE

_TS

_DA

TA

[0:7

] ∆C

I_M

DI[0

:7]

H-S

CA

RT

SC

1_R

/G/B

SC

1/2_

L/R

_IN

, F

E_A

M_A

UD

IO,A

V_L

/R_I

N,

CO

MP

_L/R

_IN

, PC

_L/R

_IN

FE

_ V

OU

T

DT

V/M

NT

_VO

UT

TD

DR

_A[0

:12]

TP

A61

10A

IC70

0H

ead

Pho

ne R

S-2

32C

MA

X32

32C

DR

IC40

3S

PD

IFS

PD

IF_O

UT

DS

UB

_H/V

SY

NC

HP

_L/R

OU

T

L/R

CI_

TS

_DA

TA

[0:7

]

PC

M_D

[0:7

] ∆C

I_D

AT

A[0

:7]

CI_

AD

DR

[0:7

]

AU

DIO

IN

DG

B_T

X/R

X

HP

D1/

2/3,

HD

MI_

CE

C

TM

DS

[0:7

] ( D

ata,

Clo

ck (

+/-

))

US

B_D

M/D

P

EE

PR

OM

M24

512-

WM

W6

(IC

105)

EE

PR

OM

CA

T24

WC

08W

-T(H

DC

P)I

C10

7

I2C

LVD

S (

10 b

it)

Ser

ial F

lash

IC10

3F

or B

oot

KIA

7427

(IC

101)

Vol

tage

Det

ecto

r

Res

et

5V_H

DM

I_1/

2/3

HD

MI 1

/2/3

- 18 - LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved. Only for training and service purposes

300

200

200T

400

806

804

521 54

0

530

805

122

310

120

121

803

802

801

900

500

510

A2

LV1

A10

EXPLODED VIEW

Many electrical and mechanical parts in this chassis have special safety-related characteristics. Theseparts are identified by in the Schematic Diagram and EXPLODED VIEW. It is essential that these special safety parts should be replaced with the same components asrecommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

- 27 -

THE

S

YMBO

L M

ARK

OF

THIS

SCH

EMET

IC D

IAG

RAM

INCO

RPO

RATE

SSP

ECIA

L FE

ATUR

ES IM

PORT

ANT

FOR

PRO

TECT

ION

FRO

M X

-RAD

IATI

ON.

FILR

E AN

D EL

ECTR

ICAL

SHO

CK H

AZAR

DS, W

HEN

SERV

ICIN

G IF

IS

ESSE

NTIA

L TH

AT O

NLY

MAN

UFAT

URES

SPE

CFIE

D PA

RTS

BE U

SED

FOR

THE

CRIT

ICAL

CO

MPO

NENT

S IN

THE

SYM

BOL

MAR

K O

F TH

E SC

HEM

ETIC

.

PC

M_

A[0

]

PC

M_

A[1

]

PC

M_

A[2

]

PC

M_

A[3

]

PC

M_

A[4

]

PC

M_

A[5

]

PC

M_

A[6

]

PC

M_

A[7

]

PC

M_

A[7

]

PC

M_

A[6

]

PC

M_

A[5

]

PC

M_

A[4

]

PC

M_

A[0

]

PC

M_

A[1

]

PC

M_

A[3

]

PC

M_

A[2

]

PC

M_

A[8

]

PC

M_

A[9

]

PC

M_

A[1

0]

PC

M_

A[1

2]

PC

M_

A[1

3]

PC

M_

A[1

1]

PC

M_

A[1

4]

PC

M_

D[0

]

PC

M_

D[1

]

PC

M_

D[2

]

PC

M_

D[3

]

PC

M_

D[4

]

PC

M_

D[5

]

PC

M_

D[6

]

PC

M_

D[7

]

CI_

TS

_D

AT

A[0

]

CI_

TS

_D

AT

A[1

]

CI_

TS

_D

AT

A[3

]

CI_

TS

_D

AT

A[2

]

CI_

TS

_D

AT

A[5

]

CI_

TS

_D

AT

A[4

]

CI_

TS

_D

AT

A[7

]

CI_

TS

_D

AT

A[6

]

ISP

_T

XD

EE

PR

OM

_S

DA

E2

0;T

19

;Y1

4

RE

AR

_U

SB

_D

M 4:A

J5

RE

AR

_U

SB

_D

P 4:A

J6

FE

_T

UN

ER

_S

DA

IC1

02

HY

27

US

08

12

1B

-TP

CB

26

NC

_1

7

27

NC

_1

8

28

NC

_1

9

29

I/O

0

30

I/O

1

31

I/O

2

32

I/O

3

33

NC

_2

0

34

NC

_2

1

35

NC

_2

2

36

VS

S_

2

37

VC

C_

2

38

PR

E

39

NC

_2

3

40

NC

_2

4

41

I/O

4

42

I/O

5

43

I/O

6

44

I/O

7

45

NC

_2

5

46

NC

_2

6

47

NC

_2

7

48

NC

_2

8

17

AL

E

3N

C_

3

6N

C_

6

16

CL

E

15

NC

_1

0

14

NC

_9

13

VS

S_

1

12

VC

C_

1

11

NC

_8

10

NC

_7

9C

E

8R

E

7R

/B

4N

C_

4

5N

C_

5

25

NC

_1

62

4N

C_

15

23

NC

_1

4

2N

C_

2

22

NC

_1

3

21

NC

_1

2

1N

C_

1

20

NC

_1

1

19

WP

18

WE

Q1

00

KR

C1

03

S

OP

TE

B

C

+3

.3V

PC

M_

A[0

-14

]

+3

.3V

+3

.3V

SP

I_D

I

/PF

_C

E0

IC1

03

W2

5X

32

VS

SIG

3W

P

2D

O

4G

ND

1C

S

5D

IO

6C

LK

7H

OL

D

8V

CC

SP

I_C

S

+3

.3V

Q1

01

KR

C1

03

SO

PT

E

B

C

+3

.3V

+3

.3V

FE

_T

UN

ER

_S

CL

SD

A0

SC

L0

Flash_WP_1

R1

74

0

R1

75

0

R1

02

0

OP

T

R1

97

15

KO

PT

R1

96

15

KO

PT

R1

93

1M

R1

72

0

AR

10

2

22

AR

10

3

22

/PF

_C

E0

C4

/PF

_C

E1

D6

/PF

_O

EC

4/P

F_

WE

D7

PF

_W

PA

7

PF

_A

LE

D6

/F_

RB

C3

AR

10

0

22

AR

10

1

22

/F_

RB

/PF

_O

E

/PF

_W

E

/PF

_C

E1

PF

_A

LE

PF

_W

P

PC

M_

A[0

-7]

SP

I_C

S

SP

I_C

K

SP

I_C

K

SP

I_D

O

R1

01

0

SP

I_D

O

SP

I_D

IG

12

PC

M_

D[0

-7]

PC

M_

RS

T

/PC

M_

OE

/PC

M_

RE

G

/PC

M_

WE

/PC

M_

IOW

R

/PC

M_

IOR

D

/PC

M_

CE

/PC

M_

CD

/PC

M_

WA

IT

/PC

M_

IRQ

A

PC

M_

5V

_C

TL

5:D

24

CI_

TS

_D

AT

A[0

-7]

IR

11

:X1

6;1

1:A

D1

4

+3

.3V

_S

T

SC

_R

E2

9:N

25

SID

E_

HP

_M

UT

E7

:G2

6

SC

AR

T2

_M

UT

E9

:AI2

4

NT

P_

MU

TE

7:R

15

BIT

_S

EL

6:A

I16

;6:A

L7

;6:A

L1

2

HP

_D

ET

AM

P_

RS

T7

:F6

SC

AR

T1

_M

UT

E9

:AI2

5

ER

RO

R_

OU

T8

:C6

SC

_R

E1

9:N

24

KE

Y2

11

:Y1

0K

EY

11

1:Y

9

BU

F_

TS

_V

AL

_E

RR

5:V

21

BU

F_

TS

_S

YN

5:V

22

BU

F_

TS

_C

LK

5:V

21

BU

F_

TS

_D

AT

A[0

]5

:V2

2

CI_

TS

_C

LK

5:D

10

CI_

TS

_S

YN

5:D

10

CI_

TS

_V

AL

5:D

10

US

B_

CT

L4

:AL

4

PW

M1

C1040.1uF

C1

06

0.1

uF

C1

03

0.1

uF

R1

51

33

3

R1

51

43

3

R1

51

53

3

R1

51

63

3

R1

51

03

3

R1

51

73

3

R1

51

13

3

R1

51

83

3

R1

51

23

3

R1

51

93

3

R1121K

OPT

R1051K OPT

R103

10K

R10410K

R1113.9K

R1

52

43

3

R1

52

53

3

R1

52

63

3

R1

53

0

33

R15334.7K

+3

.3V

EE

PR

OM

_S

DA

E1

6;E

20

;T1

9

R15391K

R15401K

L102

EE

PR

OM

_S

CL

E1

6;T

19

;Y1

3

IC1

07

CA

T2

4W

C0

8W

-T

3A

2

2A

1

4V

SS

1A

0

5S

DA

6S

CL

7W

P

8V

CC

+3

.3V

EE

PR

OM

_S

DA

E1

6;T

19

;Y1

4

EE

PR

OM

_S

CL

E1

9;T

19

;Y1

3

SC

AR

T2

_D

ET

INV

_C

TL

8:M

10

Fla

sh

_W

P_

1A

11

SC

L1

T2

2

SD

A1

T2

2

PA

NE

L_

CT

L8

:Q8

WA

RM

_L

ED

_O

N/L

ED

_W8

:B1

1

DB

G_

RX

PO

WE

R_

ON

/OF

F1 8

:P5

US

B_

OC

D4

:AG

3

SD

A_

SU

B/A

MP

7:F

12

;11

:AG

10

SD

A1

AK

12

R1

23

0F

E_

DE

MO

D_

SD

A1

0:I

12

SC

L_

SU

B/A

MP

7:F

13

;11

:AG

9

R1

28

0

R1

22

0

R1

29

0

EE

PR

OM

_S

DA

E1

6;E

20

;Y1

4

SD

A0

T2

1;Y

14

SC

L0

T2

1;Y

14

R124

4.7K

FE

_D

EM

OD

_S

CL

10

:I1

2

EE

PR

OM

_S

CL

E1

6;E

19

;Y1

3

R125

4.7K

SC

L1

AK

12

+3

.3V

SC

AR

T1

_D

ET

EE

PR

OM

_S

CL

E1

6;E

19

;T1

9

ISP

_R

XD

CO

MP

_D

ET

DS

UB

_D

ET

AV

_C

VB

S_

DE

T4

:M4

R1

51

0

R1

50

90

OP

T

R1

31

0F

RC

/LV

DS

_B

ME

MC

_S

CL

11

:Q8

ME

MC

_S

DA

11

:J8

R1

30

0F

RC

/LV

DS

_B

SD

A0

T2

1;Y

14

SC

L0

T2

1;Y

14

5V

_H

DM

I_2

5V

_H

DM

I_1

X1

00

12

MH

z

SB

_M

UT

E7

:G2

5;7

:R1

5;9

:AI2

4;9

:AI2

5

ISP

_T

XD

+3

.3V

_S

T

R1

15

10

K

IC1

01

KIA

74

27

F

2

GN

D3O

UT

1V

CC

C1

01

0.0

22

uF

16

VR107470

SID

E_

US

B_

DM

4:A

J6

R1

32

15

KO

PT

R1

33

15

KO

PT

R1

79

0

R1

78

0

SID

E_

US

B_

DP

4:A

J5

OP

C_

EN

11

:N2

0

PW

M0

PW

M1

IC1

05

M2

45

12

-WM

W6

3E

2

2E

1

4V

SS

1E

0

5S

DA

6S

CL

7W

C

8V

CC

DB

G_

TX

DB

G_

RX

ED

ID_

WP

9:A

I24

LV

DS

_S

EL

10

:AA

4

+3

.3V

C1

05

10

uF

6.3

V

LE

D_

ON

/LE

D_

R

PO

WE

R_

DE

T

/FE

_R

ES

ET

MO

DE

L_

OP

T_

3

MO

DE

L_

OP

T_

2

MO

DE

L_

OP

T_

0

ME

MC

_R

ES

ET

+3

.3V

MO

DE

L_

OP

T_

1

FE

_A

GC

_S

PE

ED

_C

TL

MO

DE

L_

OP

T_

1

MO

DE

L_

OP

T_

2

R1

89

0

MO

DE

L_

OP

T_

0

MO

DE

L_

OP

T_

3

R1

26

0

FE

_B

OO

ST

ER

_C

TL

10

:AA

4

+5

V_

GE

NE

RA

L

R15044.7K

FE

_T

UN

ER

_S

CL

AI1

3;1

0:I

9

R15054.7K

FE

_T

UN

ER

_S

DA

AI1

3;1

0:I

9

C1

11

20

pF

C1

12

20

pF

+3

.3V

R15071.2K

R15061.2K

R1

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SCHEMATIC DIAGRAM

Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes

LGE Internal Use Only

MAIN 1

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HDMISCART_RGB DSUB CVBS TV/MNTCOMP

AUDIO INLVDS OUT

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DR

_A

[8]

TD

DR

_A

[4]

TD

DR

_A

[11

]

TD

DR

_A

[3]

TD

DR

_A

[10

]

TD

DR

_A

[12

]

TD

DR

_A

[2]

TD

DR

_A

[5]

TD

DR

_A

[8]

TD

DR

_A

[1]

TDDR_A[0-12]

TD

DR

_A

[1]

TD

DR

_A

[4]

TD

DR

_A

[3]

TD

DR

_A

[11

]

TD

DR

_A

[5]

TD

DR

_A

[12

]T

DD

R_

A[6

]

TD

DR

_A

[2]

TD

DR

_A

[10

]

TD

DR

_A

[0]

TD

DR

_A

[8]

TD

DR

_A

[9]

TD

DR

_A

[7]

TD

DR

_A

[0]

TD

DR

_A

[6]

TD

DR

_A

[9]

SD

DR

_D

[10

]

SD

DR

_D

[11

]

SD

DR

_D

[12

]

SD

DR

_D

[10

]

SD

DR

_D

[8]

SD

DR

_D

[3]

SD

DR

_D

[8]

SD

DR

_D

[1]

SD

DR

_D

[9]

SD

DR

_D

[4]

SD

DR

_D

[3]

SD

DR

_D

[5]

SD

DR

_D

[1]

SD

DR

_D

[6]

SD

DR

_D

[2]

SD

DR

_D

[4]

SD

DR

_D

[14

]

SD

DR

_D

[15

]

SD

DR

_D

[6]

SD

DR

_D

[9]

SD

DR

_D

[7]

SD

DR

_D

[0]

SD

DR

_D

[13

]

SD

DR

_D

[5]

SD

DR

_D

[2]

SD

DR

_D

[0]

SD

DR

_D

[12

]

SD

DR

_D

[13

]

SD

DR

_D

[14

]

SD

DR

_D

[15

]

SD

DR

_D

[7]

SD

DR

_D

[11

]

TD

DR

_D

[2]

TD

DR

_D

[6]

TD

DR

_D

[1]

TD

DR

_D

[5]

TD

DR

_D

[11

]

TD

DR

_D

[3]

TD

DR

_D

[7]

TD

DR

_D

[4]

TD

DR

_D

[9]

TD

DR

_D

[1]

TD

DR

_D

[8]

TD

DR

_D

[3]

TD

DR

_D

[8]

TD

DR

_D

[10

]

TD

DR

_D

[12

]

TD

DR

_D

[11

]

TD

DR

_D

[15

]

TD

DR

_D

[10

]

TD

DR

_D

[14

]

TD

DR

_D

[13

]

TD

DR

_D

[12

]

TD

DR

_D

[0]

TD

DR

_D

[2]

TD

DR

_D

[5]

TD

DR

_D

[13

]

TD

DR

_D

[0]

TD

DR

_D

[7]

TD

DR

_D

[9]

TD

DR

_D

[6]

TD

DR

_D

[15

]

TD

DR

_D

[14

]

TD

DR

_D

[4]

SD

DR

_B

A[0

]

SD

DR

_B

A[1

]

AD

DR

2_

BA

[2]

/AD

DR

2_

MC

LK

SD

DR

_C

KE

AD

DR

2_

CK

E

/SD

DR

_C

K

SD

DR

_C

K

/SD

DR

_R

AS

/SD

DR

_C

AS

/SD

DR

_W

E

SD

DR

_D

QS

1_

P

SD

DR

_D

QS

0_

P

SD

DR

_D

QM

1_

P

SD

DR

_D

QM

0_

P

SD

DR

_D

QS

1_

N

SD

DR

_D

QS

0_

N

/AD

DR

2_

RA

S

AD

DR

2_

OD

T

/AD

DR

2_

CA

S

/AD

DR

2_

WE

AD

DR

2_

DQ

S1

_P

AD

DR

2_

DQ

S0

_P

AD

DR

2_

DQ

M1

_P

AD

DR

2_

DQ

M0

_P

AD

DR

2_

DQ

S0

_N

AD

DR

2_

DQ

S1

_N

BD

DR

2_

DQ

M0

_P

BD

DR

2_

DQ

S1

_P

BD

DR

2_

OD

T

BD

DR

2_

DQ

S0

_N

TD

DR

_C

KE

TD

DR

_M

CL

K

BD

DR

2_

DQ

S0

_P

BD

DR

2_

MC

LK

/TD

DR

_M

CL

K

TD

DR

_D

QM

1_

P

BD

DR

2_

DQ

S1

_N

BD

DR

2_

DQ

M1

_P

/TD

DR

_C

AS

BD

DR

2_

BA

[2]

TD

DR

_B

A[1

]

/TD

DR

_W

E

TD

DR

_D

QS

1_

P

TD

DR

_B

A[0

]

TD

DR

_D

QS

1_

N

TD

DR

_D

QS

0_

P

BD

DR

2_

BA

[0]

/TD

DR

_R

AS

BD

DR

2_

BA

[1]

TD

DR

_D

QM

0_

P

/BD

DR

2_

MC

LK

TD

DR

_D

QS

0_

N

SD

DR

_A

[3]

SDDR_A[0-12]

ADDR2_A[0-12]

AD

DR

2_

A[0

]

AD

DR

2_

A[1

]

AD

DR

2_

A[3

]

AD

DR

2_

A[2

]

AD

DR

2_

A[5

]

AD

DR

2_

A[7

]

AD

DR

2_

A[6

]

AD

DR

2_

A[4

]

AD

DR

2_

A[9

]

AD

DR

2_

A[8

]

AD

DR

2_

A[1

0]

AD

DR

2_

A[1

1]

AD

DR

2_

A[1

2]

AD

DR

2_

A[3

]

AD

DR

2_

A[1

]

AD

DR

2_

A[1

0]

AD

DR

2_

A[9

]

AD

DR

2_

A[1

2]

AD

DR

2_

A[7

]

AD

DR

2_

A[0

]

AD

DR

2_

A[2

]

AD

DR

2_

A[4

]

AD

DR

2_

A[6

]

AD

DR

2_

A[1

1]

AD

DR

2_

A[8

]

AD

DR

2_

BA

[0]

AD

DR

2_

BA

[1]

AD

DR

2_

MC

LK

BDDR2_A[0-12]

BD

DR

2_

A[0

]

BD

DR

2_

A[1

]

BD

DR

2_

A[2

]

BD

DR

2_

A[3

]

BD

DR

2_

A[4

]

BD

DR

2_

A[5

]

BD

DR

2_

A[6

]

BD

DR

2_

A[7

]

BD

DR

2_

A[8

]

BD

DR

2_

A[9

]

BD

DR

2_

A[1

0]

BD

DR

2_

A[1

1]

BD

DR

2_

A[1

2]

BD

DR

2_

A[9

]

BD

DR

2_

A[3

]

BD

DR

2_

A[1

]

BD

DR

2_

A[1

0]

BD

DR

2_

A[5

]

BD

DR

2_

A[1

2]

BD

DR

2_

A[0

]

BD

DR

2_

A[2

]

BD

DR

2_

A[4

]

BD

DR

2_

A[6

]

BD

DR

2_

A[1

1]

BD

DR

2_

A[8

]

BD

DR

2_

CK

E

/BD

DR

2_

RA

S

/BD

DR

2_

CA

S

/BD

DR

2_

WE

ADDR2_D[0-15]

AD

DR

2_

D[0

]

AD

DR

2_

D[1

]

AD

DR

2_

D[3

]

AD

DR

2_

D[2

]

AD

DR

2_

D[5

]

AD

DR

2_

D[4

]

AD

DR

2_

D[6

]

AD

DR

2_

D[7

]

AD

DR

2_

D[1

2]

AD

DR

2_

D[9

]

AD

DR

2_

D[8

]

AD

DR

2_

D[1

4]

AD

DR

2_

D[1

0]

AD

DR

2_

D[1

5]

AD

DR

2_

D[1

1]

AD

DR

2_

D[1

3]

AD

DR

2_

D[1

1]

AD

DR

2_

D[1

2]

AD

DR

2_

D[4

]

AD

DR

2_

D[3

]

AD

DR

2_

D[1

]

AD

DR

2_

D[6

]

AD

DR

2_

D[9

]

AD

DR

2_

D[1

4]

AD

DR

2_

D[1

5]

AD

DR

2_

D[1

3]

AD

DR

2_

D[1

0]

AD

DR

2_

D[8

]

AD

DR

2_

D[5

]

AD

DR

2_

D[7

]

AD

DR

2_

D[2

]

AD

DR

2_

D[0

]

SDDR_D[0-15]

BDDR2_D[0-15]

BD

DR

2_

D[0

]

BD

DR

2_

D[1

]

BD

DR

2_

D[2

]

BD

DR

2_

D[3

]

BD

DR

2_

D[6

]

BD

DR

2_

D[4

]

BD

DR

2_

D[7

]

BD

DR

2_

D[5

]

BD

DR

2_

D[1

0]

BD

DR

2_

D[8

]

BD

DR

2_

D[1

2]

BD

DR

2_

D[1

4]

BD

DR

2_

D[1

5]

BD

DR

2_

D[1

1]

BD

DR

2_

D[9

]

BD

DR

2_

D[1

3]

BD

DR

2_

D[1

1]

BD

DR

2_

D[1

2]

BD

DR

2_

D[1

4]

BD

DR

2_

D[9

]

BD

DR

2_

D[1

3]

BD

DR

2_

D[1

0]

BD

DR

2_

D[8

]

BD

DR

2_

D[1

5]

BD

DR

2_

D[4

]

BD

DR

2_

D[3

]

BD

DR

2_

D[1

]

BD

DR

2_

D[6

]

BD

DR

2_

D[7

]

BD

DR

2_

D[5

]

BD

DR

2_

D[0

]

BD

DR

2_

D[2

]

TDDR_D[0-15]

SD

DR

_A

[9]

SD

DR

_A

[5]

AD

DR

2_

A[5

]

BD

DR

2_

A[7

]T

DD

R_

A[7

]

SD

DR

_O

DT

TD

DR

_B

A[2

]S

DD

R_

BA

[2]

+1

.8V

_D

DR

+1

.8V

_D

DR

+1

.8V

_D

DR

+1

.8V

_D

DR

+1

.8V

_D

DR

+1

.8V

_D

DR

+1

.8V

_D

DR

AR

30

0

56

AR

30

1

56

AR

30

2

56

AR

30

3

56

AR

30

5

56

AR

30

4

56

AR

30

6

56

AR

30

8

56

AR

30

7 56

AR

30

9 56

AR

31

0

56

AR

31

2 56

AR

31

1

56

AR

31

3

56

R3

06

22

R3

07

22

R300150

OPT

R344150

OPT

R3

31

22

R3

30

22

+1

.8V

_D

DR

+1

.8V

_D

DR

+1

.8V

_D

DR

+1

.8V

_D

DR

C324

10uF

C303

10uF

IC3

01

H5

PS

51

62

FF

R-S

6C

J2

VR

EF

J8

CK

H2

VS

SQ

2

B7

UD

QS

N8

A4

P8

A8

L1

NC

4

L2

BA

0

R8

NC

3

K7

RA

S

F8

VS

SQ

3

F3

LD

M

P3

A9

M3

A1

N3

A5

K8

CK

R3

NC

5

L3

BA

1

J7

VS

SD

L

L7

CA

S

F2

VS

SQ

4

B3

UD

M

M2

A1

0/A

P

K2

CK

E

R7

NC

6

M7

A2

N7

A6

M8

A0

J1

VD

DL

K3

WE

E8

LD

QS

P7

A1

1

K9

OD

T

A2

NC

1

N2

A3

P2

A7

H8

VS

SQ

1

F7

LD

QS

A8

UD

QS

R2

A1

2

L8

CS

E2

NC

2

E7

VS

SQ

5D

8V

SS

Q6

D2

VS

SQ

7A

7V

SS

Q8

B8

VS

SQ

9B

2V

SS

Q1

0

P9

VS

S1

N1

VS

S2

J3

VS

S3

E3

VS

S4

A3

VS

S5

G9

VD

DQ

1G

7V

DD

Q2

G3

VD

DQ

3G

1V

DD

Q4

E9

VD

DQ

5C

9V

DD

Q6

C7

VD

DQ

7C

3V

DD

Q8

C1

VD

DQ

9A

9V

DD

Q1

0

R1

VD

D1

M9

VD

D2

J9

VD

D3

E1

VD

D4

A1

VD

D5

B9

DQ

15

B1

DQ

14

D9

DQ

13

D1

DQ

12

D3

DQ

11

D7

DQ

10

C2

DQ

9C

8D

Q8

F9

DQ

7F

1D

Q6

H9

DQ

5H

1D

Q4

H3

DQ

3H

7D

Q2

G2

DQ

1G

8D

Q0

IC3

00

HY

5P

S1

G1

63

1C

FP

-S6

J2

VR

EF

J8

CK

H2

VS

SQ

2

B7

UD

QS

N8

A4

P8

A8

L1

BA

2

L2

BA

0

R8

NC

3

K7

RA

S

F8

VS

SQ

3

F3

LD

M

P3

A9

M3

A1

N3

A5

K8

CK

R3

NC

5

L3

BA

1

J7

VS

SD

L

L7

CA

S

F2

VS

SQ

4

B3

UD

M

M2

A1

0/A

P

K2

CK

E

R7

NC

6

M7

A2

N7

A6

M8

A0

J1

VD

DL

K3

WE

E8

LD

QS

P7

A1

1

K9

OD

T

A2

NC

1

N2

A3

P2

A7

H8

VS

SQ

1

F7

LD

QS

A8

UD

QS

R2

A1

2

L8

CS

E2

NC

2

E7

VS

SQ

5D

8V

SS

Q6

D2

VS

SQ

7A

7V

SS

Q8

B8

VS

SQ

9B

2V

SS

Q1

0

P9

VS

S1

N1

VS

S2

J3

VS

S3

E3

VS

S4

A3

VS

S5

G9

VD

DQ

1G

7V

DD

Q2

G3

VD

DQ

3G

1V

DD

Q4

E9

VD

DQ

5C

9V

DD

Q6

C7

VD

DQ

7C

3V

DD

Q8

C1

VD

DQ

9A

9V

DD

Q1

0

R1

VD

D1

M9

VD

D2

J9

VD

D3

E1

VD

D4

A1

VD

D5

B9

DQ

15

B1

DQ

14

D9

DQ

13

D1

DQ

12

D3

DQ

11

D7

DQ

10

C2

DQ

9C

8D

Q8

F9

DQ

7F

1D

Q6

H9

DQ

5H

1D

Q4

H3

DQ

3H

7D

Q2

G2

DQ

1G

8D

Q0

R351

0

R350

0

OPT

C306

0.1uF

C337

0.1uF

C320

0.1uF

C326

0.1uF

C340

0.1uF

C338

0.1uF

C331

0.1uF

C329

0.1uF

C334

0.1uFC336

0.1uF

C341

0.1uF

C327

0.1uF

C319

0.1uF

C310

0.1uF

C342

0.1uF

C316

0.1uF

C3

23

0.1

uF

C330

0.1uF

C305

0.1uF

C317

0.1uF

C332

0.1uF

C314

0.1uF

C3

02

0.1

uF

C339

0.1uF

C308

0.1uF

C318

0.1uF

C307

0.1uF

C304

0.1uF

C328

0.1uF

C315

0.1uF

C313

0.1uF

C312

0.1uF

C325

0.1uF

C3

33

0.1

uF

C3010.1uF

C3000.1uF

C3

35

0.1

uF

C311

0.1uF

C3090.1uF

R3451K

1%

R3431K

1%

R321

1K1%

R322

1K1%

R301

1K1% R3021K1%

R3

48

4.7

KO

PT

R3

47

4.7

KO

PT

R3

46

4.7

KO

PT

R3

49

4.7

KO

PT

R3

36

56

R3

20

56

R3

19

56

R3

17

56

R3

15

56

R3

10

56

R3

34

56

R3

13

56

R3

33

56

R3

18

56

R3

27

56

R3

08

56

R3

09

56

R3

39

56

R3

11

56

R3

40

56

R3

12

56

R3

32

56

R3

29

56

OP

TR

30

55

6

R3

03

56

R3

41

56

R3

14

56

R3

38

56

R3

04

56

R3

25

56

R3

37

56

R3

35

56

R3

26

56

R3

42

56

R3

28

56

R3

16

56

IC1

00

LG

E3

36

8A

(S

atu

rn6

No

-Div

X)

B_

DD

R2

_A

0T

26

B_

DD

R2

_A

1A

F2

6

B_

DD

R2

_A

2T

25

B_

DD

R2

_A

3A

F2

3

B_

DD

R2

_A

4T

24

B_

DD

R2

_A

5A

E2

3

B_

DD

R2

_A

6R

26

B_

DD

R2

_A

7A

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INTERFACE

- 31 -

THE

S

YMBO

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OF

THIS

SCH

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IC D

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RAM

INCO

RPO

RATE

SSP

ECIA

L FE

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AMP

Feb., 2009Printed in KoreaP/NO : MFL58858402

LCD TV SERVICE MANUAL - Cjoint.com...Unless specified otherwise in this service manual, lubrication...

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Transcript of LCD TV SERVICE MANUAL - Cjoint.com...Unless specified otherwise in this service manual, lubrication...