Troubleshooting, Power-up boot check | LG Electronics 42CS669C-ZD

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LG Electronics 42CS669C-ZD service manual Troubleshooting, Power-up boot check, No No No No No

Contents

READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD0AWSERVICE MANUAL http//aic.lgservice.com PRODUCT SAFETY CONTENTSCONTENTS SPECIFICATION General Guidance SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE Before returning the receiver to the customer SERVICING PRECAUTIONS Electrostatically Sensitive ES Devices Small-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Power Output, Transistor Device Removal/Replacement 1. Application range SPECIFICATION4. Model General Specification 3. Test method 5. Component Video Input Y, CB/PB, CR/PR 6. RGB Input PC 2 PC Mode 7. HDMI Input PC/DTV1 DTV Mode 2. Designation ADJUSTMENT INSTRUCTION1. Application Range 3. Main PCB check process 3.3. EDID data 3.1. ADC Process3.2. EDID Download After downloading, have to adjust Tool Option again 3.4. Function Check 4. Total Assembly line process4.1. Adjustment Preparation Manual W/B process using adjusts Remote control 6.2. Command Set 4.3. Outgoing condition Configuration6.1. Signal TABLE 5. GND and HI-POT Test 7. CI+ Key Download method No No No No No TROUBLESHOOTING1. Power-up boot check No No No No 2. Digital TV Video3. Analog TV Video No No No 4. AV Video5. Component Video ok No 6. SCART Video 7. RGB Video 8. HDMI Video Check HDMI Cable conductors for damage or open conductor 9. All Source Audio 10. Digital TV Audio 11. Analog TV Audio 14. RGB Audio 12. AV Audio13. Component/ SCART Audio Side DIAGRAMBLOCK Rear EXPLODED VIEW Copyright 2012 LG Electronics. Inc. All rights reserved Only for training and service purposesGP3S7LR LGE Internal Use Only Normal Normal PowerVDDC DDR3 +3.3VNormal FROM LIPS & POWER B/DPowerDET +1.5VDDR CONTROL IR & LED USBDIODES IC1450 SIDEHDMI HDMI EEPROMHDMI1 GP3S7LR20110324 HDMI8 New Item Development RGB/SPDIF/PC/HP RS232C GP3S7LR RS232C9PIN SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION IC1201-*1 GP3S7LR DDR256DDR3 1.5V By CAP - Place these Caps near Memory K4B1G1646G-BCH9 GP3S7LR SFLASH IC1401-*1 TUNERL GP3S7LR20110511 GP4RGLOBALTUNERBLOCK GP3S7LR NTP7400 IC501 NTP-7400L Full Scart/ Comp1 GP3S7LR REAR JACK SIDE COMPONENT PHONE JACK New Item Developmen GP3S7LR PCMCI CI RegionOption name of this page CISLOT because of Hong Kong 10067972-0500LF GP3 S7LR GASKETSMD GAS 20110324