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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 DC24V from
Adapter Normal
voltage
Y
N
Replace T-con Board
or module
Repair Power
Board or parts
Check Power Board 85~175VV output
Normal
voltage
Y Replace 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 1/14

LCD TV Error
symptom A. Video error
No video/ Normal audio

A4

A1

A2

A6 & A3

First of all, Check whether all of cables between board is inserted properly or not. (Main B/D, LVDS Cable, Speaker Cable, IR B/D Cable,,,)
2013. 01 .09
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