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Summary of Contents for LG 32PC50
- Page 1 Internal Use Only North/Latin America http://aic.lgservice.com Europe/Africa http://eic.lgservice.com Asia/Oceania http://biz.lgservice.com PLASMA TV SERVICE MANUAL CHASSIS : PP78C MODEL : 32PC50 32PC50-ZB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Table Of Contents
SPECIFICATION ..................4 ADJUSTMENT INSTRUCTION ..............6 TROUBLE SHOOTING ................13 BLOCK DIAGRAM...................20 EXPLODED VIEW .................. 21 SVC. SHEET ....................PRINTED CIRCUIT DIAGRAM ..............Copyright©2008 LG Electronics. Inc. All right reserved. - 2 - LGE Internal Use Only Only for training and service purposes... -
Page 3: Safety Precautions
An other abnormality exists that must be corrected before the receiver is returned to the customer. Copyright©2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes... -
Page 4: Specification
LGE SPEC. 2)Humidity : 0~85% Storage Environment 3)Temp. : -20~60deg 4)Humidity : 0~85% Input Voltage 100-240V~, 50/60Hz Maker : LG Copyright©2008 LG Electronics. Inc. All right reserved. - 4 - LGE Internal Use Only Only for training and service purposes... - Page 5 700 ~ 1100 Pressure Altitude : 0 to 3000M I mage stick minimization Start time mode Low Brightness Arrival Time Copyright©2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...
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Page 6: Adjustment Instruction
(2) Visual I2C & LPT Driver Installation. Double click the Red area Install the LPT Driver Install the Visual I2C Copyright©2008 LG Electronics. Inc. All right reserved. - 6 - LGE Internal Use Only Only for training and service purposes... - Page 7 (10) If download is failed, for example "No acknowledge from (3) Double click the blue box and confirm "Bootloader Version" as 42. slave". Execute download again from(1). Copyright©2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only...
- Page 8 (12) If download is failed, for example "No acknowledge from (6) Click the "Erase Flash" button. slave", execute download again from (1). Copyright©2008 LG Electronics. Inc. All right reserved. - 8 - LGE Internal Use Only Only for training and service purposes...
- Page 9 3. [3]-Month, Year : Controlled on production line Revision Digital : 2 ex) Monthly: '03' => '03' Year: '2005' => '0F' 4. [4]-Model Name : model name -> LG TV - LG TV Model Name Model Name(HEX) 32PC5R 00 00 00 FD 00 3A 3F 1F 32 09 00 0A 20 20 20 20 20 20 5.
- Page 10 2) Load the EDID data.(Open File). [ Analog-RGB : PP78C_RGB.ANA ] [ Digital-HDMI1 : PP78C_HDMI1.DVI ] Open File Open File [ Digital-HDMI2 : PP78C_HDMI2.DVI ] Copyright©2008 LG Electronics. Inc. All right reserved. - 10 - LGE Internal Use Only Only for training and service purposes...
- Page 11 * Synchronization relation between PSM and CSM. 2. Push the two more the in-start key : Mild(Warm) Remark Dynamic Cool Standard Normal Mild Warm Copyright©2008 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...
- Page 12 At 100mA for 1sec (Line) At 100mA for 1min (OQC) 12. Sound spec. Item Unit Remark Audio Practical Max Output, L(Mono)/R Copyright©2008 LG Electronics. Inc. All right reserved. - 12 - LGE Internal Use Only Only for training and service purposes...
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Page 13: Troubleshooting
Next remove all cables connected to the PSU and switch the AV voltage to manual. If the ST-by 5V does not operate, replace the PSU. Copyright©2008 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes... - Page 14 After removing the P11, P13 and the output normal? P13 connector of voltage is normal : Replace the Left X-B/D the X-B/D? Copyright©2008 LG Electronics. Inc. All right reserved. - 14 - LGE Internal Use Only Only for training and service purposes...
- Page 15 TU400_Pin13) Pin3) Check the power.(L1103) Check the Tuner. Is the LVDS Connect again Pattern connected? the Pattern. Change the IC(IC500) Copyright©2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...
- Page 16 10. In the case of an unusual display in SCART 2 mode. Is the video input of Check the input source. the A/V jack normal? (Check R149) Sam as Block A Copyright©2008 LG Electronics. Inc. All right reserved. - 16 - LGE Internal Use Only Only for training and service purposes...
- Page 17 H, V sync of the Check the input source. JK201 normal?(Check R223, R224, R225, R221, R222) Change the IC(IC500) Copyright©2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...
- Page 18 Is there no sound Check the Tuner In/Out. only for RF? Is the IC601 Replace the IC601 operating normal? Replace the VSC BD Copyright©2008 LG Electronics. Inc. All right reserved. - 18 - LGE Internal Use Only Only for training and service purposes...
- Page 19 - Enable bit 4 : HDCP authentication attempted Reset TMDS power down/ on register. Normal video, Replace the IC303. - 0x60, offset 0x3f => 0xff Normal audio? Copyright©2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...
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Page 20: Block Diagram
BLOCK DIAGRAM Copyright©2008 LG Electronics. Inc. All right reserved. - 20 - LGE Internal Use Only Only for training and service purposes... -
Page 21: Exploded View
EXPLODED VIEW IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts 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 as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. - Page 22 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 23 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 24 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 25 MAIN(TOP) MAIN(BOTTOM) CONTROL(TOP) PRE-AMP(TOP) PRE-AMP(BOTTOM) CONTROL(BOTTOM) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
- Page 26 Oct., 2008 P/NO : MFL40431018 Printed in Korea...