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LG Electronics 42CS669C-ZD service manual

Models: 42CS669C-ZD

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LG Electronics 42CS669C-ZD service manual

Contents

SERVICE MANUAL CHASSIS LD0AWREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.comCONTENTS CONTENTSPRODUCT SAFETY SPECIFICATIONIMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSGeneral Guidance Before returning the receiver to the customerElectrostatically Sensitive ES Devices SERVICING PRECAUTIONSReplacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Power Output, Transistor Device Removal/Replacement4. Model General Specification SPECIFICATION1. Application range 3. Test method6. RGB Input PC 5. Component Video Input Y, CB/PB, CR/PR2 PC Mode 7. HDMI Input PC/DTV1 DTV Mode 1. Application Range ADJUSTMENT INSTRUCTION2. Designation 3. Main PCB check process3.2. EDID Download 3.1. ADC Process3.3. EDID data After downloading, have to adjust Tool Option again4.1. Adjustment Preparation 4. Total Assembly line process3.4. Function Check Manual W/B process using adjusts Remote control6.1. Signal TABLE 4.3. Outgoing condition Configuration6.2. Command Set 5. GND and HI-POT Test7. CI+ Key Download method No No No No No TROUBLESHOOTING1. Power-up boot check 3. Analog TV Video 2. Digital TV VideoNo No No No No No No No5. Component Video 4. AV VideoNo No No ok NoNo No No 6. SCART Video7. RGB Video Check HDMI Cable conductors for damage or open conductor 8. HDMI VideoNo No No No No ok No 9. All Source Audiook No 11. Analog TV Audio 10. Digital TV Audiook No ok No14. RGB Audio 12. AV Audio13. Component/ SCART Audio BLOCK DIAGRAMSide RearEXPLODED VIEW GP3S7LR Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyOnly for training and service purposes Normal PowerVDDC NormalPowerDET FROM LIPS & POWER B/D+3.3VNormal +1.5VDDROnly for training and service purposes CONTROL IR & LEDTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics. Inc. All rights reservedOnly for training and service purposes USBDIODESCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Only for training and service purposesHDMI EEPROM HDMI1Only for training and service purposes New Item DevelopmentTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC RGB/SPDIF/PC/HPOnly for training and service purposes RS232CGP3S7LR RS232C9PIN Copyright 2012 LG Electronics. Inc. All rights reservedTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES Only for training and service purposesSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISOnly for training and service purposes GP3S7LR DDR256THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics. Inc. All rights reservedOnly for training and service purposes GP3S7LR SFLASHCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use Only20110511 GP3S7LRTUNERL Only for training and service purposesOnly for training and service purposes GP3S7LR NTP7400IC501 NTP-7400L Copyright 2012 LG Electronics. Inc. All rights reservedGP3S7LR REAR JACK Full Scart/ Comp1Only for training and service purposes THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Only for training and service purposesSIDE COMPONENT PHONE JACK New Item Developmen Copyright 2012 LG Electronics. Inc. All rights reservedOption name of this page CISLOT because of Hong Kong CI RegionGP3S7LR PCMCI Only for training and service purposesSMD GAS GASKETGP3 S7LR 20110324