AV Audio, Component/ SCART Audio | LG Electronics 42CS669C-ZD

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LG Electronics 42CS669C-ZD service manual AV Audio, Component/ SCART Audio, RGB Audio

Contents

SERVICE MANUAL CHASSIS LD0AWREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.com CONTENTS CONTENTSPRODUCT SAFETY SPECIFICATION IMPORTANT SAFETY NOTICE SAFETY PRECAUTIONSGeneral Guidance Before returning the receiver to the customer Electrostatically Sensitive ES Devices SERVICING PRECAUTIONS Replacement IC Remove/ReplacementSmall-Signal Discrete Transistor Removal/Replacement Power Output, Transistor Device Removal/Replacement 4. Model General Specification SPECIFICATION1. Application range 3. Test method 6. RGB Input PC 5. Component Video Input Y, CB/PB, CR/PR 7. HDMI Input PC/DTV 1 DTV Mode2 PC Mode 1. Application Range ADJUSTMENT INSTRUCTION2. Designation 3. Main PCB check process 3.2. EDID Download 3.1. ADC Process3.3. EDID data After downloading, have to adjust Tool Option again 4.1. Adjustment Preparation 4. Total Assembly line process3.4. Function Check Manual W/B process using adjusts Remote control 6.1. Signal TABLE 4.3. Outgoing condition Configuration6.2. Command Set 5. GND and HI-POT Test 7. CI+ Key Download method TROUBLESHOOTING 1. Power-up boot checkNo No No No No 2. Digital TV Video 3. Analog TV VideoNo No No No 5. Component Video 4. AV VideoNo No No ok No 7. RGB Video 6. SCART Video Check HDMI Cable conductors for damage or open conductor 8. HDMI Video 9. All Source Audio 11. Analog TV Audio 10. Digital TV Audio 12. AV Audio 13. Component/ SCART Audio14. RGB Audio BLOCK DIAGRAMSide Rear EXPLODED VIEW GP3S7LR Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use Only VDDC Normal PowerNormal DDR3 PowerDET FROM LIPS & POWER B/D+3.3VNormal +1.5VDDR CONTROL IR & LED IC1450 USBDIODES HDMI1 HDMI EEPROMSIDEHDMI GP3S7LR20110324 HDMI8 RGB/SPDIF/PC/HP New Item Development GP3S7LR RS232C9PIN RS232C THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES DDR3 1.5V By CAP - Place these Caps near Memory GP3S7LR DDR256IC1201-*1 K4B1G1646G-BCH9 IC1401-*1 GP3S7LR SFLASH 20110511 GP3S7LRTUNERL GP4RGLOBALTUNERBLOCK IC501 NTP-7400L GP3S7LR NTP7400 GP3S7LR REAR JACK Full Scart/ Comp1 SIDE COMPONENT PHONE JACK New Item Developmen Option name of this page CISLOT because of Hong Kong CI RegionGP3S7LR PCMCI 10067972-0500LF SMD GAS GASKETGP3 S7LR 20110324