LG 55LB5610 - Standard Repair Process - Video Errors; Troubleshooting Video Issues

Y
N
Move to
No video/No
audio
No video
Normal audio
Check Back Light
On with naked eye
Check Power
Board
3.5V, 12V, 24V etc.
Replace T-con
Board or module
Repair Power
Board or parts
Check Power Board 24V output
Replace Inverter
or module
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↔ Power B/D, LVDS Cable, Speaker Cable, IR B/D Cable,,,)
2012. 01 .14
Normal
Audio
On
Y
N
Normal
Voltage
Normal
Voltage
Y
N
Y
N
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