42PC5D Service Manual
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Transcript of 42PC5D Service Manual
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PLASMA TVSERVICE MANUAL
CAUTIONBEFORE SERVICING THE CHASSIS,READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CHASSIS : PB73B
MODEL : 42PC5D 42PC5D-AB
website:http://biz.LGservice.com
Internal Use Only
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- 2 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
CONTENTS
SAFETY PRECAUTIONS ....................................................................................3
SPECIFICATIONS................................................................................................4
ADJUSTMENT INSTRUCTIONS .........................................................................5
TROUBLE SHOOTING GUIDE..........................................................................10
BLOCK DIAGRAM ............................................................................................30
EXPLODED VIEW .............................................................................................38
SCHEMATIC DIAGRAM.........................................................................................
PRINTED CIRCUIT DIAGRAM ..............................................................................
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- 3 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
SAFETY PRECAUTIONS
Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in theSchematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to preventX-RADIATION, Shock, 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 monitor is blown, replace itwith 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.
Due to high vacuum and large surface area of picture tube,extreme care should be used in handling the Picture Tube.Do not lift the Picture tube by it's Neck.
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 1M and 5.2M. 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
IMPORTANT SAFETY NOTICE
0.15uF
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- 4 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
SPECIFICATIONSNOTE : Specifications and others are subject to change without notice for improvement.
V Application RangeThis spec is applied to the 42 PLASMA TV used PB73B Chassis.
V SpecificationEach part is tested as below without special appointment.1) Temperature : 255C (779F), CST : 4052) Relative Humidity: 6510%3) Power Voltage: Standard Input voltage (100-240V~, 50/60Hz)
* Standard Voltage of each product is marked by models.4) Specification and performance of each parts are followed each drawing and specification by part number in accordance with SBOM.5) The receiver must be operated for about 20 minutes prior to the adjustment.
V Test Method1) Performance : LGE TV test method followed.2) Demanded other specification
Safety : CB specificationEMC : CISPR 13 specification
V General Specification1. Model General Specification
ChassisPB73B 42PC5D-AB Australia LG
Model Name Market Brand Remark
42PC5D-AB Safety : IEC60065,EN60950
EMC : CISPR 13 Class B
Australia
Model ApplianceMarket Remark
Broadcasting system
Available Channel
Tuner IF
Input Voltage
Screen Size
Aspect ratio
Module
Operating Environment
Storage Environment
PAL-B/G, DTV : DVB-T
1) VHF : 00 ~ 122) UHF : 20 ~ 753) CATV : 02 ~ 44 4) DTV : 06 ~12, 27 ~ 691) PAL : 38.90MHz(Picture),
34.40MHz(Sound)2) DVB-T : 36.125MHz100-240V~, 50Hz
42 Wide(1024x768)16:9
42X4A(LGE)1) Temp : 0~40deg2) Humidity : ~80%1) Temp : -20~60deg2) Humidity : ~85%
1
2
3
4
5
6
7
8
9
No
Mark : 240V, 50Hz
Model Specification Remark
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- 5 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
ADJUSTMENT INSTRUCTIONS1. Application Object
These instructions are applied to all of the 42 PLASMA TV,PB73B Chassis
2. Notes(1) Because this is not a hot chassis, it is not necessary to use
an isolation transformer. However, the use of isolationtransformer will help protect test equipment.
(2) Adjustments must be done in the correct order.(3) The adjustments must be performed in the circumstance of
255C of temperature and 6510% of relative humidity ifthere is no specific designation.
(4) The input voltage of the receiver be must kept 220V~,60Hz when adjusting.
(5) The receiver must be operational for about 15 minutesprior to the adjustments.
O Preliminary action is 100% FULL WHITE PATTERN mustbe operated automatically.(Ez-Adjust 10. Test Pattern)
O Test for afterimage discharge detection1) How to Adj R/C pressing Power key.2) Press the ADJ KEY of the adjusting R/C to enter into the
Ez-Adjust, use the CH +/- key to select 10. WHITEPATTERN, and press the confirmation (A) key. Then,100% FULL WHITE PATTERN is displayed.
[ Set is activated HEAT-RUN without signal generator inthis mode.
3. EDID(The Extended Display Identification Data)/DDC(Display Data Channel) Download
This has been established by VESA and is the functioncreated to Plug and Play by making the computerreconfigure user environment through communication with themonitor automatically without having the user set commandsdirectly to the PC or the monitor so that the user can use itimmediately.* When writing EDID, use DDC2B protocol.
3-1. HDMI EDID Data Input(1) Required Test Equipment
- PC, Jig for adjusting DDC. (PC serial to D-subConnection equipment)
- S/W for writing DDC (EDID data write & read)- D-Sub cable- Jig for HDMI Cable connection
(2) Adjustment preparation & device configuration- Configure as Fig. 7, and turn on the PC - Turn on the JIG.- Run the DDC recording S/W (EDID Data Write & Read).
(Execute in DOS mode)
3-2. EDID DATA for PB75AA EDID for HDMI-1 (DDC (Display Data Channel) Data)
EDID table =
A EDID for HDMI-2 (DDC (Display Data Channel) Data)EDID table =
If you turn on a still screen more than 20 minutes (EspeciallyDigital pattern, Cross Hatch Pattern), an afterimage may occurin the black level part of the screen.
PCVSC
B/D
JIG cable(CPLD D/L )
Connection Diagram of CPLD Download
0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 0110 00 11 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 2320 09 48 4C AF CE 00 31 40 45 40 61 40 81 80 A9 4030 D1 C0 01 01 01 01 66 21 50 B0 51 00 1B 30 40 7040 36 00 C4 8E 21 00 00 1A 02 3A 80 18 71 38 2D 4050 58 2C 45 00 C4 8E 21 00 00 1E 00 00 00 FD 00 3060 58 1F 64 11 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 AA
0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 1E F1 4E 20 22 10 1F 01 02 03 04 05 12 9310 14 07 16 23 15 07 50 66 03 0C 00 10 00 80 01 1D20 00 72 51 D0 1E 20 6E 28 55 00 C4 8E 21 00 00 1E30 01 1D 80 18 71 1C 16 20 58 2C 25 00 C4 8E 21 0040 00 9E 8C 0A D0 90 20 40 31 20 0C 40 55 00 4C 6C50 42 00 00 18 01 1D 00 BC 52 D0 1E 20 B8 28 55 4060 C4 8E 21 00 00 1E 01 1D 80 D0 72 1C 16 20 10 2C70 25 80 C4 8E 21 00 00 9E 00 00 00 00 00 00 00 58
0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 0110 00 11 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 2320 09 48 4C AF CE 00 31 40 45 40 61 40 81 80 A9 4030 D1 C0 01 01 01 01 66 21 50 B0 51 00 1B 30 40 7040 36 00 C4 8E 21 00 00 1A 02 3A 80 18 71 38 2D 4050 58 2C 45 00 C4 8E 21 00 00 1E 00 00 00 FD 00 3060 58 1F 64 11 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 00
0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 1E F1 4E 20 22 10 1F 01 02 03 04 05 12 9310 14 07 16 23 15 07 50 66 03 0C 00 20 00 80 01 1D20 00 72 51 D0 1E 20 6E 28 55 00 C4 8E 21 00 00 1E30 01 1D 80 18 71 1C 16 20 58 2C 25 00 C4 8E 21 0040 00 9E 8C 0A D0 90 20 40 31 20 0C 40 55 00 4C 6C50 42 00 00 18 01 1D 00 BC 52 D0 1E 20 B8 28 55 4060 C4 8E 21 00 00 1E 01 1D 80 D0 72 1C 16 20 10 2C70 25 80 C4 8E 21 00 00 9E 00 00 00 00 00 00 00 48
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- 6 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
A EDID for HDMI-3 (DDC (Display Data Channel) Data)EDID table =
A EDID for RGB (DDC (Display Data Channel) Data)EDID table =
4. POWER PCB Assy VoltageAdjustments (Va, Vs Voltage adjustments)4-1. Test Equipment : D.M.M. 1EA4-2.Connection Diagram for Measuring
: refer to Fig.2
4-3. Adjustment Method(1) Va Adjustment
1) After receiving 100% Full White Pattern, HEAT RUN.2) Connect + terminal of D.M.M to Va pin of P812, connect
- terminal to GND pin of P812.3) After turning VR901, voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.(Deviation; 0.5V)
(2) Vs Adjustment1) Connect + terminal of D.M.M to Vs pin of P812, connect
terminal to GND pin of P812.2) After turning VR951, voltage of D.M.M adjustment as
same as Va voltage which on label of panel right/top.(Deviation; 0.5V)
5. MST3361M-Set Adjustment5-1. Synopsis
MST3361M-Set adjustment to set the black level and the Gainof optimum with an automatic movement from the analog =>digital converter.
5-2. Test Equipment Service R/C, 801GF(802B,802F,802R), MSPG-925FA,MSPG-1025D Pattern Generator.( 480i, 1080p Horizontal 60Hz Color Bar Pattern output will bepossible and the output level will accurately have to berevised with 0.70.1Vp-p)* It should be checked because the above pattern may bedifferent according to the model and the pattern of the usedequipment.
5-3. Adjustment method(1) Component1 adjustment method.
1) Select Component1 as the input with Color Bar Patternin 480i 60Hz mode and select Component1 on screen.
2) After receiving signal for at least 1 second, press theADJ Key on the Service R/C to enter the Ez - Adjustand select the 1. ADC 480i Comp1. Pressing the Vol+Key to adjust the component1.
3) When the adjustment is over, 'ADC Component1Success is displayed.
4) When the adjustment is not normally completed, amessage saying ADC Component1 480i Fail isdisplayed. When the component is not connected, amessage saying Component1 Not Connected, whenthe input format is not 480i, a message saying NotValid Format and when the input signal is not comingout, a message saying Check Signal Status isdisplayed for 1 second.(MSPG-925FA : -> model : 209, pattern : 65)
0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 0110 00 11 01 03 80 73 41 96 0A CF 74 A3 57 4C B0 2320 09 48 4C AF CE 00 31 40 45 40 61 40 81 80 A9 4030 D1 C0 01 01 01 01 66 21 50 B0 51 00 1B 30 40 7040 36 00 C4 8E 21 00 00 1A 02 3A 80 18 71 38 2D 4050 58 2C 45 00 C4 8E 21 00 00 1E 00 00 00 FD 00 3060 58 1F 64 11 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 00
0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 1E F1 4E 20 22 10 1F 01 02 03 04 05 12 9310 14 07 16 23 15 07 50 66 03 0C 00 30 00 80 01 1D20 00 72 51 D0 1E 20 6E 28 55 00 C4 8E 21 00 00 1E30 01 1D 80 18 71 1C 16 20 58 2C 25 00 C4 8E 21 0040 00 9E 8C 0A D0 90 20 40 31 20 0C 40 55 00 4C 6C50 42 00 00 18 01 1D 00 BC 52 D0 1E 20 B8 28 55 4060 C4 8E 21 00 00 1E 01 1D 80 D0 72 1C 16 20 10 2C70 25 80 C4 8E 21 00 00 9E 00 00 00 00 00 00 00 38
0 1 2 3 4 5 6 7 8 9 A B C D E F0 00 FF FF FF FF FF FF 00 1E 6D 01 00 01 01 01 0110 0E 11 01 03 18 73 41 96 0A CF 74 A3 57 4C B0 2320 09 48 4C AF CF 00 31 40 45 40 61 40 81 80 A9 4030 D1 C0 01 01 01 01 66 21 50 B0 51 00 1B 30 40 7040 36 00 C4 8E 21 00 00 1A 02 3A 80 18 71 38 2D 4050 58 2C 45 00 C4 8E 21 00 00 1E 00 00 00 FD 00 3060 58 1F 64 11 00 0A 20 20 20 20 20 20 00 00 00 FC70 00 4C 47 20 54 56 0A 20 20 20 20 20 20 20 01 59
0 1 2 3 4 5 6 7 8 9 A B C D E F0 02 03 04 00 0E 1F 00 80 51 00 1E 30 40 80 37 0010 C4 8E 21 00 00 1C 00 00 00 00 00 00 00 00 00 0020 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0030 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 25
Adjust Pattern : 480i, 1080p 60Hz Color Bar Pattern
(Fig.2) Connection diagram of power adjustment for measuring
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- 7 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
(2) Component1, RGB adjustment method.1) Select Component1, RGB as the input with Color Bar
Pattern in 1080p 60Hz mode and select Component1as input mode.
2) After receiving signal for at least 1 second, press theADJ Key on the Service R/C to enter the Ez - Adjustand select the 2. ADC 480i Comp1/RGB. Pressing theVol+ Key to adjust the component1.
3) When the adjustment is normally completed, themessage ADC Component1 Success is displayed, or ifnot, the message ADC Component1 1080P Fail isdisplayed. After adjusting the Component1 iscompleted, it is automatically switched to the RGB-DTVmode, and the RGB adjustment starts. If adjusting isnormally completed, the message ADC RGB 1080PSuccess is displayed.
4) When the adjustment is not normally completed, checkthe pattern or the adjustment condition, and then adjustit again. The error message is same to (4)) of (1)
5) After adjustment is complete, exit the adjustment modeby pressing the ADJ KEY.(MSPG-925FA : -> model : 225, pattern : 65)
6. Video Set AdjustmentIt is the adjustment to reduce the color difference of the RFand the video signal, which adjusts Analog RF, AV-PAL, andAV-NTSC.
6-1. Adjustment method(1) Analog RF and AV-PAL adjustment method.
1) Connect the Video Signal Generator (Master) to the AVinput of the TV via the AV output. At this time, whenentering the input pattern with Model : 202(PAL) andPattern : 33(100% color Bar), the following screen isdisplayed.
* It should be checked because the above pattern may bedifferent according to the model and the pattern of the usedequipment.
2) After entering the in-house signal, when it is checkedthat the signal is received, press the ADJ KEY of theadjusting R/C to enter into EZ-ADJUST Select 3.Adjust RF and AV_PAL and press the right arrow key(G) to enter into the adjustment mode.
3) When it enters into the adjustment mode, the screen isautomatically switched to TV 3CH and the followingwindow is displayed.
4) When the automatic adjustment starts, the main screenis adjusted, and if adjusting is completed, the messageRF-PAL Configuration Success is displayed. Ifadjusting is failed, the message RF-PAL ConfigurationFail is displayed.
5) When the automatic adjustment of the RF signal iscompleted, it is automatically switched to AV1 Modeand the automatic adjustment is performed to the AV-PAL. When the automatic adjustment is completed, themessage AV-PAL Configuration Success is displayed.If the adjustment is failed, the message AV-PALConfiguration Fail is displayed.
(2) AV-NTSC adjustment method.1) Connect the Video Signal Generator (Master) to the AV
input of the TV via the AV output. At this time, whenentering the input pattern with Model : 201(NTSC) andPattern : 33(100% color Bar), the following screen isdisplayed.
* It should be checked because the above pattern may bedifferent according to the model and the pattern of the usedequipment.
2) Press the ADJ KEY of the adjusting R/C to enter intoEZ-ADJUST Select 4. Adjust AV_NTSC and press theright arrow key (G) to enter into the adjustment mode.
3) When the automatic adjustment is completed, themessage AV-NTSC Configuration Success isdisplayed. If the adjustment is failed, the message AV-NTSC Configuration Fail is displayed.
Model : 202(PAL), Pattern : 33(100% Color Bar)
Model : 201(NTSC), Pattern : 33(100% Color Bar)
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- 8 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
7. Adjustment of White Balance7-1. Required Equipment
1) Color Analyzer : CA-100(CH 10)2) When adjusting the PLASMA color temperature, the No.
10 channel with the matrix compensated (White, Red,Green and Blue compensated) should be used for theCS-1000 as Color analyzer (CA-100), which should beadjusted based on the white balance adjustmentcoordinate as described below.
2) Automatic adjuster (necessary for the automaticadjustment, possible to communicate via the RS-232C)
3) Video Signal Generator MSPG-925F 720p,216Gray(Model : 217, Pattern : 78)
7-2 Measuring device connection diagram(for automatic adjustment)
7-3 White Balance adjustment methodBasically it uses the internal pattern but when internal patternis not possible, you can select HDMI input for adjustment.Through the option at the most bottom part of the Ez AdjustMenu 7.White Balance menu, you can select NONE, INNERand HDMI, and the default is set to INNER. When theadjustment cannot be done with the internal pattern, you canselect HDMI input for adjustment.
For manual adjustment, press the ADJ KEY of the adjustmentR/C to enter Ez Adjust 7.White-Balance, and the pattern isautomatically displayed. (When you set the Option to INNER,the default is always set to INNER)
1) Connect the set according to the internal pattern or HDMIinput in accordance with 7-3 measuring device connectiondiagram.
2) Set the Baud Rate of RS-232C to 115200. It is set to115200 as default.
3) Connect the RS-232C Cable to the set.4) Connect the HDMI Cable to the set. (Limited to the set with
HDMI option)5) Select and adjust the model applicable to PB75A chassis
from the adjuster.
Caution) For automatic adjustment, RS-232C Command andChassis are commonly applied
- Wb 00 00 Start automatic adjustment of white balance- Wb 00 10 Start gain adjustment (Internal pattern)- Ja 00 ff Adjustment data- Jb 00 c0-
- Wb 00 1f End gain adjustment* Adjust offset as necessary (wb 00 20(Start), wb 00 2f(End))- Wb 00 ff End automatic adjustment of white balance
(Internal pattern disappears)
Caution) Adjustment map
* White Balance adjustment (For automatic adjustment)- Execute Power Only Key of the adjustment R/C to execute
automatic adjustment. Set the Baud Rate to 115200.- Always start adjustment with wb 00 00 and endadjustment with wb 00 ff- Adjust the offset if necessary.
Color Analyer
RS-232C
Full White Pattern (Inner pattern)
Connection diagram for internal pattern
Connection diagram for HDMI input
216Gray White Pattern (HDMI Pattern)
Color Analyer
MSPG-925FSMSPG-925FSVideo Signal Generatorideo Signal GeneratorModel : 217Model : 217Pattern : 78Pattern : 78
RS-232CRS-232CBaud Rate : 1Baud Rate : 11520015200
RemarkRS-232C Command
[CMD ID DATA]wbwbwbwbwbwb
000000000000
00101f202fff
Start white balance adjustmentStart Gain adjustment(Internal white pattern)End Gain adjustmentStart Offset adjustment (Internal white pattern)End Offset adjustmentEnd white Balance adjustment (Internal pattern disappear)
R Gain
G Gain
B Gain
R Cut
G Cut
B Cut
jgjhji
Cool
jajbjc
Mid
RS-232C COMMAND[CMD ID DATA]
CENTER(DEFAULT)
jdjejf
00
00
00
192
192
192
127
127
127
Warm
Min Max
192
192
192
64
64
64
Cool
192
192
192
64
64
64
Mid
192
192
192
64
64
64
Warm
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- 9 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
7-4. Adjustment of White Balance(For manual adjustment)- Required Equipment : When adjusting the PLASMA color
temperature, the No. 10 channel with the matrixcompensated (White, Red, Green and Bluecompensated) should be used for the CS-1000 as Coloranalyzer (CA-100), which should be adjusted based onthe white balance adjustment coordinate as describedbelow.
(1) Enter to EZ-ADJUST by pressing ADJ key of R/C.(2) HEAT RUN at least 30 minutes by pressing the 11. TEST
Pattern on the Service Remote Control and adjust.(3) Set CA-100 in Zero Calibration, when adjust PDP module
make it contacting completely in the surface.(4) Select 6. White-Balance of Ez - Adjust by pressing the
ADJ KEY on the Service R/C. Then enter adjustment modeby pressing the Right KEY (G). This time white pattern isdisplayed. (When press Gkey, the screen enters to FullWhite internal pattern.)
(5) The adjustment completes in three color temperatures asCool, Medium, and Warm.
(6) When R GAIN is fixed at 192:keep G GAIN and B GAIN less than 192 and find propervalues for adjustment.
When G GAIN is fixed at 192:keep R GAIN and B GAIN less than 192 and find propervalues for adjustment.
When B GAIN is fixed at 192:keep R GAIN and G GAIN less than 192 and find propervalues for adjustment.
(7) Adjust using Volume +/- KEY.(8) When the adjustment is completed, press the OK (A KEY)
button to move to the Ez Adjust screen. Press the ADJKEY to exit the adjustment mode.
[Ref.] White Balance Adjustment Pixel and Color Temperature(1) Standard white balance standard white balance coordinate
when using CS-1000 device:
(2) Directed color coordinate when using CA-100 CH 10Brightness: Full white 216gray
(3) Directed color coordinate when using CA-210 CH 10
8. Check the adjustment of the plantshipping mode
Color temperature Color analyzer Color coordinateX Y
COOL CA-100 0.2760.002 0.2830.002MEDIUM CA-100 0.2850.002 0.2930.002WARM CA-100 0.3130.002 0.3290.002
Color temperature Color analyzer Color coordinateX Y
COOL CA-210 0.2760.002 0.2830.002MEDIUM CA-210 0.2850.002 0.2930.002WARM CA-210 0.3130.002 0.3290.002
Color temperature Measuring instrument Color coordinateX Y
COOL 11000K, uv=0.000 0.276 0.283MEDIUM 9300K, uv=0.000 0.285 0.293
WARM 6500K, uv=0.000 0.313 0.329
1
2
3
4
5
6
7
8
9
10
Digital
30
Off
16:9
1
Dynamic
Cool
Off
Auto
Standard
Off
0
On
On
--
Off
Off
Off
16:9
Off
Normal
Off
C0, C5, C6, S11,
C20, C35, C52, C68
C43
Item ConditionNo Remark
Input Mode
Volume Level
Mute
Aspect Ratio
SET ID
Picture PSM
Color Temp.
Advanced Cinema
Black level
Sound SSM
AVL
Balance
TV Speaker
Time Auto Clock
Manual Clock
Off Timer / On Timer
Sleep Timer / Auto Off
Option Sub title
Child Lock
ARC
Demo
ISM Method
Low Power
Channel Memory Analog
Digital
-
- 10 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
ATI
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TROUBLE SHOOTING GUIDE
-
- 11 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
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) :
#33
(TXA
C-) :
74.2
5MH
z3.3
V
GND
#32
(TXA
C+) :
4 : _
Chec
k th
e LV
DS C
able
5 : _
Chec
k th
e PD
P M
odul
e co
ntro
l boa
rd
#17
(TXB
C-) :
#16
(TXB
C+) :
74.2
5MH
z
74.2
5MH
z
74.2
5MH
z
1. Video(2)NO OSD
-
- 12 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT
1/2
X2
60
TP A
Comp
1/2RG
B
CVBS
TP C
TP B
/ 656
AT/N
T/TU
NER
TP MST 3361
HS,V
S
DVI
HS,V
S
YCbC
r2YC
bCr o
r RGB
FRC9
445H
RGBC
VBS
YCbC
r1
DVO
Y/C1
, Y/C
2
Y/C1
, Y/C
2
AV1/2
AV1/2
HDMI
1/2/3
TMDS
341A
1. Video(3)Video Path
-
- 13 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
Chec
k An
tenn
a Ca
ble
Chec
k T
uner
5V, V
ideo
out
Chec
k X2
60 in
puts
M_T
U_CV
BS(C
2117
)
Chec
k CV
BS V
ideo
Pat
h
1 : _
Chec
k Tu
ners
Vcc
and
Vide
o ou
t
1. Video(4)RF Mode
-
- 14 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT
1/2
X2
60
TP A
Comp
1/2RG
B
CVBS
TP C
TP B
/ 656
AT/N
T/TU
NER
TP MST 3361
HS,V
S
DVI
HS,V
S
YCbC
r2YC
bCr o
r RGB
FRC9
445H
RGBC
VBS
YCbC
r1
DVO
Y/C1
, Y/C
2
Y/C1
, Y/C
2
AV1/2
AV1/2
HDMI
1/2/3
TMDS
341A
1. Video(5) DTV/CAD TV
-
- 15 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
Chec
k An
tenn
a Ca
ble
Chec
k Tu
ner(T
U600
), 5V,
IF ou
t
3._
Chec
k X2
60 In
put (C
LK, S
OP, V
alid,
Error
, Data
)Ch
eck
X260
INPU
T CL
K, S
OP,
Valid
, Erro
r, Da
ta
1. Video(6) DTV
-
- 16 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT
1/2
X2
60
TP A
Comp
1/2RG
B
CVBS
TP C
TP B
/ 656
AT/N
T/TU
NER
TP MST 3367
HS,V
S
DVI
HS,V
S
YCbC
r2YC
bCr o
r RGB
FRC9
445H
RGBC
VBS
YCbC
r1
DVO
Y/C1
, Y/C
2
Y/C1
, Y/C
2
AV1/2
AV1/2
HDMI
1/2/3
TMDS
341A
1. Video(7) Component/RGB
-
- 17 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
5 : _
Che
ck th
e M
ST33
61(IC
402)
Outp
ut S
ignals
(Vsy
nc) :
(DE)
:
(Clk
) :(H
sync
)
59.9
4Hz
Freq
uenc
y : D
iffer
ent a
ccor
ding
tofo
rmat
!!
(Data
) :
4 : _
Che
ck M
ST33
61(IC
402)
Pow
er pi
ns, In
put S
ignals
, Sign
al Sh
ape i
s Sam
e (ab
ove)
6 : _
Che
ck X
260
(IC10
1) In
puts
_Si
gnal
sha
pe is
sam
e (a
bove
)
Che
ck S
igna
l for
mat
(supp
orted
form
at?)
Che
ck S
TMAV
335(
IC40
3) P
ower
Pin
s, C
omp1
(#2,#
5,#11
),C
omp2
(#3,#
6,#10
), RG
B(#9
,#4,#7
)R
GB_
V,H
(R40
0,R40
1)
Che
ck S
TMAV
335(
IC40
3) outp
uts
#14(
MUX_
OUT_
Y),
#13(
MUX_
OUT_
Pb),
#8(M
UX_O
UT_P
r)
Che
ck M
ST33
61(IC
402)
OSC
, Pow
er p
ins,
#44(
Y_in
),#4
1(Cb
_in),#
46(C
r_in)
#37(
H),#3
8(V)
1 2 3
Che
ck M
ST33
61(IC
402)
Outp
uts V
-out (
#99)
, H-o
ut (#
98) ,
Cloc
k (#9
6) ,
Dat
a (3
0Bit)
, DE(
#97)
Che
ck X
260
(IC10
1) In
puts
MST
3361
_HS(
#T6)
,M
ST33
61_V
S(#T
5) , C
lock (
#P3)
,D
ata
(30B
it) , D
E(#U
6)
4 5 6
3 : C
heck
STM
AV33
5(IC
403) o
utp
uts
Si
gnal
sha
pe is
sam
e (a
bove
)
1. C
heck
Sig
nal f
orm
at (r
ef. ow
enr
s m
anual)
2. C
heck
STM
AV33
5(IC
403)
Pow
er In
put S
ignal
1. Video(8) Component/RGB
-
- 18 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT
1/2
X2
60
TP A
Comp
1/2RG
B
HDMI
1/2/3
CVBS
TP C
TP B
/ 656
AT/N
T/TU
NER
TP
MST
3367
HS,V
S
DVI
HS,V
S
YCbC
r2YC
bCr o
r RGB
FRC9
445H
RGBC
VBS
YCbC
r1
DVO
Y/C1
, Y/C
2
Y/C1
, Y/C
2
AV1/2
AV1/2
TMDS
341A
1. Video(9) HDMI/DVI
-
- 19 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
1 : _
Chec
k HDC
P Er
ror
_
Retry
pow
er o
ff an
d on
(TV o
r STB
/DVD
)
_
Chec
k MST
3361
(IC40
2) HD
CP IIC
line (
#69,#
70)
2 : _
Chec
k EDI
D D
ownlo
ad
(RX0
C-,R
X0C+
) :Fr
eque
ncy :
Diffe
rent
acc
ordin
g to
form
at !!
4 : _
Chec
k MST
3361
(IC40
2) Ou
tputs
SCL
:
SDA
:
3 : _
MST
3361
(IC40
2) inp
uts
(RX1
C-,R
X1C+
) :
(Vsy
nc) :
(DE)
:
(Clk
) :
(Hsy
nc)
59.9
4Hz
Freq
uenc
y : D
iffere
nt a
ccor
ding
tofo
rmat
!!
(Data
) :
5 : _
Chec
k X26
0 (IC
101)
Inputs
_
Sign
al sh
ape
is sa
me
(abov
e)
Snow
nois
e (W
hite d
ot) ?
Powe
r off
and
on(TV
or ST
B/DVD
)
Vide
o is
norm
al &
No
Soun
d ?
Chec
k HDC
P Po
wer P
in(IC
404),
MST
3361
(IC40
2) IIC
(#69,#
70)
Chec
k MST
3361
(IC40
2) inp
utsPo
wer, O
sc#2
5,#2
6(RX1
C-,R
X1C+
),#1
4,#1
5(RX0
C-,R
X0C+
)
Re-d
ownl
oad
EDID
(IC40
6/407
/408)
Chec
k MST
3361
(IC40
2) Ou
tputs
V-ou
t (#99
) , H-
out (#
98) ,
Cl
ock (
#96)
, Data
1 2 3 4
N
Y
N Y
Y
Chec
k X26
0 (IC
101)
Inputs
MST
3361
_HS(
#T6)
,M
ST33
61_V
S(#T
5) , C
lock (
#P3)
,Da
ta (3
0Bit)
, DE(
#U6)
5
1. Video(10) HDMI/DVI
-
- 20 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
Symp
tom : T
V se
t out
of or
der o
n pow
ers
Chec
k X30
0 (24
MHz)
Norm
al?
Re-d
ownlo
ad M
TV41
6GMF
(IC30
9 )No
rmal?
YES
NO
Repla
ce M
TV41
6GMF
(IC30
9 )an
d Re-
down
load
Chec
k SI38
65(Q
702)
2,3pin
5VNo
rmal?
Repla
ce P
ower
boar
dNo
rmal
Chec
k P70
2 all i
nput
volta
geNo
rmal
? YES
Chec
k SI38
65(Q
1901
,Q19
02,Q
1903
) 2,3p
in 3.3V
Norm
al?
YES
Chec
k SI38
65(Q
702)
5pin 3
.3VNo
rmal?
Chec
k SI38
65((Q
1901
,Q190
2,
Q190
3 ) 5
pin 3.
3VNo
rmal?
NO NONOCh
eck P
702
wafer
s & co
nnec
tors.
Norm
al ?
YES
Chec
k P70
1 #3,8
Pin 5
VNo
rmal
? YES
Repla
ce po
wer b
oard
NO
NO
Repla
ce S
I3865
(Q70
2)YE
S
Repla
ce S
I3865
(Q19
01,Q1
902,Q
1903
)YE
S
NO
YES
POW
ER1. Video
(11) POWER1
-
- 21 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
Symp
tom : N
o boo
ting
Chec
k X30
0 (24
MHz)
Norm
al?
Re-d
ownlo
ad M
TV41
6GMF
(IC30
9 )No
rmal?
YES
Repla
ce M
TV41
6GMF
(IC30
9 )an
d Re-
down
load
Chec
k SI38
65(Q
702)
2,3pin
5VNo
rmal?
Chec
k SI38
65(Q
1901
,Q19
02,Q
1903
) 2,3p
in 3.3V
Norm
al?
YES
Chec
k SI38
65(Q
702)
5pin 3
.3VNo
rmal?
Chec
k SI38
65((Q
1901
,Q190
2,
Q190
3 ) 5
pin 3.
3VNo
rmal?
NONO
Repla
ce S
I3865
(Q70
2)
YES
Repla
ce S
I3865
(Q19
01,Q1
902,Q
1903
)
YES
NO
YES
Chec
k SI48
00( Q
315)1
,2,3P
in 1.9V
Norm
al?Re
place
SI48
00( Q
315)
Repla
ce S
C262
1(IC3
04)
YES
NO NO
Chec
k betw
een F
B171
4 and
C34
51.
2VNo
rmal?
Repla
ce S
I4800
( Q30
0,Q30
1)Re
place
SC2
621(I
C304
)NO
NO NO
POW
ER1. Video
(12) POWER2
-
- 22 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT1
/2
AT/N
TTU
NER
X260
TP A
HDMI
1/2/3
TP C
RGB
COMP
1/2
SIF
SIF IN
1
NTP
3000
SIF IN
2
I2S IN
1I2S
IN 2
I2S O
UT 1
SPDI
F
CS84
16
I2S
I2S I2S I2S
S/PDI
F
SPDI
F
L/R L/R L/RL/R
ANT/C
able
TP
MSP4
450K
MNT
OUT
I2S I2SI2S
I 3
I2SO
1
SC 2
MCLK
MCLK
SPDI
F OUT
Optic
al
Coax
ial
2. Audio(1) All path
-
- 23 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
Chec
k NTP
3000
(IC50
5) Po
wer
Chec
k NTP
3000
(IC50
5) Inpu
ts pin
s#1
7(DAT
A), #1
8(LRC
LK), #
19(SC
LK), #
6(MCL
K)
1 2 3 4 5 6 7
Chec
k X26
0 (IC1
01) Ou
tput
R153
(SCLK
), R15
4(LRC
LK), R
155(D
ATA),
R156
(MCL
K)
Chec
k NTP
3000
(IC50
5) Outp
utL5
10,L5
11(Le
ft) / L
512,L
513(R
ight)
Chec
k Spe
aker
outpu
t wafe
rP5
02(Le
ft), P5
01(Ri
ght)
Chec
k NTP
3000
(IC50
5) Outp
utL5
15,L5
16(Le
ft) L5
17,L5
18(Ri
ght)
Chec
k Spe
aker
All S
ource
Spe
aker
Out
Chec
k MSP
4450
K (IC
508)
Outpu
tR5
062 (
Left),
R506
3 (Rig
ht)
1 2 3 4
If DTV
or H
DMI i
nput
Chec
k X26
0 (IC1
01) Ou
tput
R153
(SCLK
), R15
4(LRC
LK), R
155(D
ATA)
Chec
k MSP
4450
K (IC
508)
Input
R505
9(SCL
K) R5
060(L
RCLK
), R50
61(DA
TA)
Chec
k MNT
Outp
ut Ja
ck (J
704)
Monit
or L,
R Ou
t
Chec
k MSP
4450
K (IC
508)
Powe
r
5
Chec
k MSP
4450
K (IC
508)
X-tal
Inp
utX-
tal Inp
ut (71
,72pin
) : 18
.432M
Hz
6
If ATV
, AV,
Com
pone
nt, R
GB in
put
Chec
k MSP
4450
K (IC
508)
Input
C501
6(ATV
_SIF)
, R50
41(AV
1_R),
R504
2(AV1
_L),
R504
5(AV2
_R), R
5046
(AV2_
L), R5
048(C
MP1_
R),R5
049(C
MP1_
L), R5
051(C
MP2_
R), R5
052(C
MP2_
L),R5
055(R
GB_R
), R50
58(RG
B_L)
Chec
k CS8
416(I
C501
) Inp
utC5
006 (
X260
_SPD
IF) or
C500
5 (HD
MI_S
PDIF)
Chec
k CS8
416(I
C501
) Outp
utR5
90 (8
416_
SPDIF
_out)
1 2 3 4
Chec
k CS8
416 (
IC501
) Po
wer
Chec
k SPD
IF Ja
ckP5
00 (O
ptical S
PDIF
Jack)
and
P501
(Coa
xial S
PDIF
Jack)
Digit
al Au
dio O
ut
Comm
on S
ound
Out
Comm
on S
ound
Out
2. Audio(2) Common Sound Out
-
- 24 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
AT/N
TTU
NER
X260
TP A
HDMI
1/2/3
TP C
SIF
SIF IN
1
NTP
3000
SIF IN
2
I2S IN
1I2S
IN 2
I2S O
UT 1
SPDI
F
CS84
16
I2S
I2S I2S I2S
S/PDI
F
SPDI
F
ANT/C
able
TP
MSP4
450K
I2S I2SI2S
I 3
I2SO
1
MCLK
MCLK
SPDI
F OUT
Optic
al
Coax
ial
EXT1
/2
RGB
COMP
1/2
SIF
L/R L/R L/RL/R
MSP4
450K
MNT
OUT
I2SI 3
I2SO
1
SC 2
2. Audio(3) TV RF No Sound
-
- 25 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT1
/2
AT/N
TTU
NER
X260
TP A
HDMI
1/2/3
TP C
RGB
COMP
1/2
SIF
SIF IN
1
NTP
3000
SIF IN
2
I2S IN
1I2S
IN 2
I2S O
UT 1
SPDI
F
CS84
16
I2S
I2S I2S I2S
S/PDI
F
SPDI
F
L/R L/R L/RL/R
ANT/C
able
TP
MSP4
450K
MNT
OUT
I2S I2SI2S
I 3
I2SO
1
SC 2
MCLK
MCLK
SPDI
F OUT
Optic
al
Coax
ial
2. Audio(4) DTV No Sound
-
- 26 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
Chec
k SI
F lin
esC6
025,
C60
26
Chec
k M
SP44
50K
(IC50
8) inp
utsC5
016,
#67
pin
1 2 3 4 5 6
Follo
w th
e pr
oced
ure
of CO
MM
ON
SOUN
D O
UT
7 8
Chec
k Tu
ner (
TU60
0)5V
(3,5,
9,17 p
in), S
IF(18
pin)
Chec
k An
tenn
a Ca
ble
Chec
k X2
60 (IC
101) I
ntpu
tsR
175(S
CLK)
, R17
6(LRC
LK), R
177(D
ATA)
Chec
k M
SP44
50K
(IC50
8) Po
wer
Chec
k M
SP44
50K
(IC50
8) ou
tputs
R50
39(S
CLK)
, R50
40(LR
CLK)
, R50
43(D
ATA)
TV R
F N
o So
und
TV R
F N
o So
und
1 2 3 4Fo
llow
the
proc
edur
e of
CO
MM
ON
SOUN
D O
UT
Chec
k Tu
ner (
TU60
0)5V
(3,5,
9,17 p
in), IF
_N(15
pin),
IF_P
(14pin
)
Chec
k An
tenn
a Ca
ble
Chec
k X2
60 (IC
101)
DTV
No
Soun
dD
TV N
o So
und
2. Audio(5) TV RF No Sound / DTV No Sound
-
- 27 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT1
/2
AT/N
TTU
NER
X260
TP A
TP C
RGB
COMP
1/2
SIF
SIF IN
1
NTP
3000
SIF IN
2
I2S IN
1I2S
IN 2
I2S O
UT 1
SPDI
F
CS84
16
I2S
I2S I2S I2S
S/PDI
F
SPDI
F
L/R L/R L/RL/R
ANT/C
able
TP
MSP4
450K
MNT
OUT
I2S I2SI2S
I 3
I2SO
1
SC 2
MCLK
MCLK
SPDI
F OUT
Optic
al
Coax
ial
HDMI
1/2/3
2. Audio(6) AV/Component/RGB No Sound
-
- 28 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXT1
/2
AT/N
TTU
NER
X260
TP A
TP C
RGB
COMP
1/2
SIF
SIF IN
1
NTP
3000
SIF IN
2
I2S IN
1I2S
IN 2
I2S O
UT 1
SPDI
F
CS84
16
I2S
I2S I2S I2S
S/PDI
F
SPDI
F
L/R L/R L/RL/R
ANT/C
able
TP
MSP4
450K
MNT
OUT
I2S I2SI2S
I 3
I2SO
1
SC 2
MCLK
MCLK
SPDI
F OUT
Optic
al
Coax
ial
HDMI
1/2/3
2. Audio(7) HDMI No Sound
-
- 29 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
Chec
k M
SP44
50K
(IC50
8) ou
tputs
R50
39(S
CLK)
, R50
40(LR
CLK)
, R50
43(D
ATA)
1 2 3 5 6 7Fo
llow
the
proc
edur
e of
CO
MM
ON
SOUN
D O
UT
Chec
k M
SP44
50K
(IC50
8) Inp
utsR
5041
(AV1
_R), 5
042(A
V1_L
),R
5045
(AV2
_R), R
5046
(AV2
_L),
R50
48(C
MP1_
R),R
5049
(CMP
1_L),
R50
51(C
MP2_
R),50
52(C
MP2_
L),R
5055
(RGB
_R), R
5058
(RGB
_L)
Chec
k AV/
COM
PONE
NT/R
GB
Ca
ble
Chec
k X2
60 (IC
101)
Inputs
R17
5(SCL
K), R
176(L
RCLK
), R17
7(DAT
A)
Chec
k M
SP44
50K
(IC50
8) X
-tal In
put
X-ta
l Inp
ut (7
1,72p
in)
Chec
k M
SP44
50K
(IC50
8) Po
wer
4
AV/C
ompo
nent
/RG
B No
Sou
ndAV
/Com
pone
nt/R
GB
No S
ound
Chec
k CS
8416
(IC50
1) in
puts
HD
MI_
SPDI
F (C
5005
)
1 2 3 4 5
Follo
w th
e pr
oced
ure
of CO
MM
ON
SOUN
D O
UT
6
Chec
k M
ST33
61 (IC
402)
outpu
tH
DM
I_SP
DIF
(R40
9)
Chec
k HD
MI C
able
Chec
k X2
60 (IC
101)
Inputs
SCLK
(R17
5), LR
CLK(
R176
), DAT
A(R1
77)
Chec
k CS
8416
(IC50
1) ou
tputs
DAT
A(#2
6), S
CLK(
#27),
LRCL
K(#2
8)
HD
MI N
o So
und
HD
MI N
o So
und
2. Audio(8) AV/Component/RGB No Sound / HDMI No Sound
-
- 30 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
BLOCK DIAGRAM
X260
X260
Sub
Mico
m
Sub
Mico
m
SubM
icom
EEPR
OM
SubM
icom
EEPR
OM
CPU
EEPR
OM
CPU
EEPR
OM
Ch.1
Sub M
icom
I2 C Ch
anne
l
Maste
r
MST
3361
MST
3361
33
22
22
22
04.7k
3.3VS
T_MI
COM
I2C_A
I2C_B
I2C_C
+3.3V
_L
10k
+3.3V
_L 10k
+3.3V
_L
10k
MSP
4450
K
MSP
4450
K22
2N70
022N
7002
CS 8416
CS 84162
2
NTP
3000
NTP
30001
00
33pF
Pane
lPa
nel22
2N70
022N
7002
+3.3V
_L 2K
Analo
gTu
ner
Analo
gTu
ner4.7
10pF
M623
20(FA
N)M6
2320
(FAN)10
0
LM75
LM751
00
Ch.2
Ch.3
0x50
0xA0
0xC2
0x9C
0x20
0x94
0x54
0x80
0x74
Digita
lTu
ner
Digita
lTu
ner22
*
0x1C
0xA6
CH1
Read
y
+5V_
TU
6.8k
+3.3V
_L 2K
0x1C
/ 80
+5V_
TU 5.6k
Data
Line a
nd Cl
ock L
ine
circu
it Ide
ntity
-
- 31 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
ATI
X260
ATI
X260
COMP
1
RGB
HDMI
2COM
P2
AV1
AV2
8 8HD
MI3
Rx C/
0/1/2
Rx C/
0/1/2 Data
8bit
TP1
12
MAIN
RGB 3
0bit
63LV
D103
LVDS
Tx63
LVD1
03LV
DS Tx
LVDS
Conn
LVDS
Conn
Video
Scale
r0
Analo
gFro
ntEn
d
Analo
g_TU
NER
31
CVBS
,Y,C
CVBS
,Y,C
3
CVBS
Y/Pb/P
r 3 3
Y/Pb/P
r 3R/G
/B/H/V
5
R/G/B
28bit
32
34
TPA
Digita
lInp
ut
Y/Pb/P
r
CLK/E
N/H/V
CLK/E
N/H/V
4bit
HD
CLK/V
alid/Er
ror/So
p 4bit
PDP :
DISP
_En 1
bit
LCD :
Pane
l_CTL
1bit
1CV
BS
MNT O
ut
Analo
gVid
eoOU
T
STMA
V335
3:1
DEMU
X
STMA
V335
3:1
DEMU
X
HDMI
18
Rx C/
0/1/2
3:1
DEMU
X3:1
DE
MUX
MST3
361
2HDM
I +3A
DC
MST3
361
2HDM
I +3A
DC
8
-
- 32 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
ATI
X260
MPEG
2 Dec
ode
AC3 D
ecod
eDT
S byp
ass
SIF D
emod
.
SRS T
ruSurr
ound
Dolby
pro L
ogic
BBE
Treble
/bass
contr
olBa
lance
contr
olVo
lume c
ontro
l
ATI
X260
MPEG
2 Dec
ode
AC3 D
ecod
eDT
S byp
ass
SIF D
emod
.
SRS T
ruSurr
ound
Dolby
pro L
ogic
BBE
Treble
/bass
contr
olBa
lance
contr
olVo
lume c
ontro
l
MSP4
450K
MSP4
450K
COMP
1
RGB(P
hone ja
ck)CO
MP2
AV1
AV2
MNT O
ut L/R
2
NTP3
000
PWM
Modu
lator
& Dig
ital a
udio
signa
lPr
oces
s &Dig
ital A
mp.
3 1Sp
eake
r L
Spea
ker R
2 2
1X260
_SPD
IF_OU
T
SPDIF
OUT
SPDIF
_OUT
1
I2S (D
ATA, LR
CLK, SC
LK)3
L/R
22 2 22
I2S3
1
LC LPF
LC LPFLC LPF
LC LPF
Rx_H
DMI_S
PDIF
SIF
1
Data/
CLK/V
alid/Er
ror/So
pTP
1
12TP
A
Tune
r
HDMI
28 8
HDMI
3
Rx C/
0/1/2
Rx C/
0/1/2
HDMI
18
Rx C/
0/1/2
3:1
DEMU
X3:1
DE
MUX
MST3
361
2HDM
I +3A
DC
MST3
361
2HDM
I +3A
DC8
CS84
16
SPDIF
RxSP
DIF =>
I2S
CS84
16
SPDIF
RxSP
DIF =>
I2S
I2S (D
ATA, LR
CLK, SC
LK)3
AUD_
MCLK
I2S (D
ATA, LR
CLK, SC
LK)
-
- 33 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
MICO
M
13PIN
PSU C
able
VBR_
AV6
68(LC
D_HD)
VBR_
A
VBR_
A
VBR_
B_HD
VBR_
B_EX
T
AI_on
/off
AI_on
/off
VBR_
B_EX
T
Vbr_B
_HD
V668
(LCD_H
D)
VBR_
B_HD
V668
(LCD_H
D)
VBR-
A (PS
U #10)
Amplit
ude c
ontro
l
-0V
: 90%
-1.6
5V : 1
00%
-3.3
V : 11
0%
-Op
en : 1
.65(10
0%)
VBR-
B (PS
U #7)
PWM
Duty
-0V
: TDB
(42
120H
z) 20
%(371
20Hz
) 30
%(32:1
20Hz)
-3.3
V : 10
0%
PWM_
Dimmi
ng
Br
i_ctrl
READ
Y
READ
Y
31Pin
LVDS
Cable
-
- 34 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
CEC
Appl
icatio
n
-
- 35 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
ATI
X260
ATI
X260
SIF
NTP3
000
NTP3
000
I2S
SPDI
F
I2S
CVBS
(NT Ma
in)
DDR2
64MB
x2DD
R264
MBx2
Flex B
us
RGB
30bit
TPAAnalo
gFr
ont
End
USB
1.1
I2C P
ort0
I2C C
H1I2C
CH2
I2C C
H3
MTV4
15Mi
com
MTV4
15Mi
com
USB
(upgra
de rea
dy!!)
Dead
IC w
hen S
tandb
yDe
ad IC
whe
n Stan
dby
Vide
oSc
aler
0 Vide
oSc
aler
1 or 2
Alive
IC w
hen S
tandb
yAli
ve IC
whe
n Stan
dby
Audio
Vide
oTP
AV2 /
L/R
MNT
Out L
/R
COMP
1 L/R CO
MP2 L
/RRG
B L/R
TP_IN
1
AV1
AV2
AV1,
Y/C1
AV2,
Y/C2
Flash
(NOR 3
2MB)
Flash
(NOR 3
2MB)
Latch
x2La
tchx2
24C5
1224
C512
-
- 36 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
ATI
(X26
0)I2
C M
aste
r
AT/N
T Tu
ner
0xC2
HD
MI
ADC
(MST
3361
)0X
9C
Tem
p.Se
nsor
(LM75
)0X
94
U-Co
m(M
TV41
6)0x
50
I2C
_CH
1 (+
3.3V_
L & +5
V_L)
I2C
_CH
2 (+
3.3V_
L & +5
V_L)
I2C_
CH3
(+3.3V
_L)
Port
Expa
nder
(M62
320)
0X74
Audi
o Sw
itch
(MSP
4450
K)0X
80
DAS
P(N
TP30
00)
0X54
PDP
Mod
ule
0x1C
Live
Dea
d
CS84
16A
0X20
(W)
0X21
(R)
EEPR
OM
(24LC
512)
0xA6
CH1
CH2
CH3
FRC9
4XYH
0xD4
EEPR
OM
(24LC
16)
5V
5V5V
2.5V
-
- 37 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
+12
.0V
+12
.0V
+6.
0V+
6.0V
CS43
44CS
4344
CS53
40CS
5340
PQ05
DZ1U
PQ05
DZ1U
KIA7
8R09
KIA7
8R09
FAN
1FA
N1
KIA7
8R09
KIA7
8R09
FAN
2, 3
FAN
2, 3
MC3
3078
MC3
3078
X260
X260
HYB
18T5
12(4E
A)H
YB18
T512
(4EA)
AZ11
17H
-1.8
AZ11
17H-
1.8LM
75LM
75
ICL3
232C
BNZ
ICL3
232C
BNZ
+5.
0VST
+5.
0VST
+3.
3V_L
+3.
3V_L
AT/N
T Tu
ner
AT/N
T Tu
ner
+5V
_L
+5.
0V
SI38
65SI
3865
PQ05
DZ1U
PQ05
DZ1U
Live
Pow
er
Dea
d Po
wer
Live
-on
SC15
65-1
.8SC
1565
-1.8
ISL6
549C
BIS
L654
9CB
1.2V
1.8V
ISL6
549C
BIS
L654
9CB
1.8V
MK3
727D
MK3
727D
74LV
T163
73(2E
A)74
LVT1
6373
(2EA)
S29G
L256
S29G
L256
THC6
3LVD
1023
THC6
3LVD
1023
+3.
3V_L
HYB
18T5
12(4E
A)H
YB18
T512
(4EA)
MK3
727D
MK3
727D
+19
.0V
+19
.0V
NTP
3000
NTP
3000
NTP
3000
NTP
3000
1.8V
BA03
3FP-
3.3
BA03
3FP-
3.3
MTV
416
MTV
416
AZ11
17H
-3.3
AZ11
17H-
3.3
SC15
65-2
.5SC
1565
-2.5
MST
3369
MST
3369
9.0V
TEA6
420
TEA6
420
9.0V
CS84
16CS
8416
KIA7
8R09
KIA7
8R09
MK3
727D
MK3
727D
MIC
2505
MIC
2505
3.3V
ST_M
ICO
M24C
0824
C08
FRC9
4XYH
FRC9
4XYH
Live
-on
24C5
1224
C512
STM
AV33
5ST
MAV
335
ISP1
504
ISP1
504
MIC
2505
MIC
2505
KIA7
805
KIA7
805
AZ10
85S-
3.3
AZ10
85S-
3.3
AZ10
85S-
1.8
AZ10
85S-
1.824
C16
24C1
6
FRC
FRC
SC15
65-2
.6SC
1565
-2.6
MIC
3910
-2.5
MIC
3910
-2.5
SC15
92-1
.0SC
1592
-1.0
12.0
V HY5D
U281
622
HY5
DU2
8162
2
SC25
95-1
.0SC
2595
-1.0
-
- 38 - LGE Internal Use OnlyCopyright2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
EXPLODED VIEW
300
120
304
560570
600603
306
301
302
303
400240
250
200
206
580
205
202
203
204
201
900
901
601
602
501
590
520
502
-
LGE Internal Use OnlyCopyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
-
LGE Internal Use OnlyCopyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
-
LGE Internal Use OnlyCopyright 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
MAIN(TOP) MAIN(BOTTOM)
Pre AMP(TOP)
Pre AMP(BOTTOM)
SIDE A/V(TOP)
SIDE A/V(BOTTOM)
PRINTED CIRCUIT BOARD
Control B/D (TOP)
Control B/D (TOP)
-
Nov., 2007Printed in KoreaP/NO : MFL39439102
#EV#