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 Boar
d +13V
Normal
voltage
Y
N
Replace T-con/Main
Board or module
And Adjust VCOM
Repair Power Boa
rd or parts
Panel Vcc (12V) output
Normal
voltage
Y
Replace Inverter
or module
N
Repair Power Bo
ard or parts
End
Always check & record S/W Version and White B
alance value before replacing the Main Board
Replace Main Board
Re-enter White Balance value
※
Precaution
Established
date
Standard Repair Process
Revised date
1/16
LCD TV
Error
symptom
A. Video error
No video/ Normal audio
☞
A18
☞
A1
☞
A18
☞
A4 & A2
First of all, Check whether all of cables between board is inserted properly or not.
(Main B/D↔ Power B/D, VX1 Cable, Speaker Cable, IR B/D Cable,,,)
1
Содержание 65UH5500
Страница 34: ...200 400 120 600 522 521 540 570 900 A2 A10 700 Set Stand 125 126 530 500 200D ...
Страница 62: ......
Страница 65: ...Overview for 16 ULTRA HD Model K2Lp Hardware ...
Страница 67: ...LCD TV Repair Guide 16 years New Models Applicable Model UH55 ...
Страница 72: ...2 K2Lp Block Diagram Internal LGE Confidential ...
Страница 81: ...TROUBLE SHOOTING GUIDE ...
Страница 109: ...Appendix Exchange Power Board PSU No Light Dim Light Dim Light Dim Light No picture Sound Ok A 3 5 ...