LG Electronics
42CS669C-ZD Gasket, Smd Gas, GP3 S7LR, 20110324, LGE Internal Use Only
Troubleshooting
Specs
Diagram
Signal TABLE
Total Assembly line process
Adjustment Instruction
IC Remove/Replacement
Safety Precautions
Normal Power
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Contents
CHASSIS LD0AW
SERVICE MANUAL
READ THE SAFETY PRECAUTIONS IN THIS MANUAL
http//aic.lgservice.com
CONTENTS
CONTENTS
PRODUCT SAFETY
SPECIFICATION
SAFETY PRECAUTIONS
IMPORTANT SAFETY NOTICE
General Guidance
Before returning the receiver to the customer
SERVICING PRECAUTIONS
Electrostatically Sensitive ES Devices
IC Remove/Replacement
Replacement
Small-Signal Discrete Transistor Removal/Replacement
Power Output, Transistor Device Removal/Replacement
SPECIFICATION
4. Model General Specification
1. Application range
3. Test method
5. Component Video Input Y, CB/PB, CR/PR
6. RGB Input PC
1 DTV Mode
7. HDMI Input PC/DTV
2 PC Mode
ADJUSTMENT INSTRUCTION
1. Application Range
2. Designation
3. Main PCB check process
3.1. ADC Process
3.2. EDID Download
3.3. EDID data
After downloading, have to adjust Tool Option again
4. Total Assembly line process
4.1. Adjustment Preparation
3.4. Function Check
Manual W/B process using adjusts Remote control
4.3. Outgoing condition Configuration
6.1. Signal TABLE
6.2. Command Set
5. GND and HI-POT Test
7. CI+ Key Download method
1. Power-up boot check
TROUBLESHOOTING
No No No No No
3. Analog TV Video
2. Digital TV Video
No No No No
4. AV Video
5. Component Video
No No No
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
13. Component/ SCART Audio
12. AV Audio
14. RGB Audio
DIAGRAM
BLOCK
Side
Rear
EXPLODED VIEW
Only for training and service purposes
GP3S7LR
Copyright 2012 LG Electronics. Inc. All rights reserved
LGE Internal Use Only
Normal Power
VDDC
Normal
DDR3
FROM LIPS & POWER B/D
PowerDET
+3.3VNormal
+1.5VDDR
CONTROL IR & LED
USBDIODES
IC1450
HDMI EEPROM
HDMI1
SIDEHDMI
GP3S7LR20110324 HDMI8
New Item Development
RGB/SPDIF/PC/HP
RS232C
GP3S7LR RS232C9PIN
Only for training and service purposes
GP3S7LR DDR256
DDR3 1.5V By CAP - Place these Caps near Memory
IC1201-*1
K4B1G1646G-BCH9
GP3S7LR SFLASH
IC1401-*1
GP3S7LR
20110511
TUNERL
GP4RGLOBALTUNERBLOCK
GP3S7LR NTP7400
IC501 NTP-7400L
Full Scart/ Comp1
GP3S7LR REAR JACK
SIDE COMPONENT PHONE JACK New Item Developmen
CI Region
Option name of this page CISLOT because of Hong Kong
GP3S7LR PCMCI
10067972-0500LF
GASKET
SMD GAS
GP3 S7LR
20110324
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