Normal
audio
Y
N
Move to No
video/No audio
No video
Normal audio
Check Back Light
On with naked eye
On
Y
N
Check Power
Board
12v,3.5v etc.
Normal
voltage
Y
N
Replace T-con
Board or module
And Adjust VCOM
Repair Power
Board or parts
Check Power Board 24v output
Normal
voltage
Y
Replace Inverter
or module
N
Repair Power
Board or parts
End
Always check & record S/W Version and White
Balance value before replacing the Main Board
Replace Main Board
Re-enter White Balance value
※
Precaution
Established
date
Standard Repair Process
Revised date
1/13
LCD TV
Error
symptom
A. Video error
No video/ Normal audio
☞
A4
☞
A1
☞
A2
☞
A28
☞
A7 & A3
First of all, Check whether all of cables between board is inserted properly or not.
(Main B/D
↔
Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable,,,)
1
2012.01.16
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only
Содержание 84LM96/W
Страница 59: ......
Страница 89: ... Introductions of soft touch Introductions of 12Y Model Soft touch Ass y ...
Страница 94: ...Introductions of 12Y RF ass y Magic Remote control Introductions of 12Y RF ass y Magic Remote control ...
Страница 101: ...WIFI Built in ass y feature LGIT WIFI built in feature PIN USB interface 1 5V 2 DM 3 DP 4 GND Pin map ...
Страница 102: ...WIFI Built in Block diagram Arcadyan ...
Страница 103: ...WIFI Built in ass y Specification ...
Страница 104: ...표지 12Y Widevine HDCP 2 0 NETFLX Contents 1 Widevine 2 HDCP 2 0 NETFLIX 3 DTCP 4 Changed BOM ...
Страница 108: ...4 Changed BOM As Was Current Æ Add Add Item 1 Marlin Yes No 2 CNTV Yes No 3 HDCP Tx Yes No 4 DTCP Rx Yes No ...
Страница 109: ...4 Changed BOM ...
Страница 147: ...Appendix Exchange PSU LED driver No Light Dim Light Dim Light Dim Light ...