LG Electronics 32LS5600/560S/560T-ZC Lcd Tv, A. Video error, Check Back Light, On with naked eye

Models: 32LS5620-ZD 32LS5610/561T-ZA 32LS5600/560S/560T-ZC 32LS5610/561T

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LCD TV

Standard Repair Process

LCD TV

Error

A. Video error

Established

2012. 01 .14

date

symptom

No video/ Normal audio

Revised date

1/14

 

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,,,)

No video Normal audio

Normal Y audio

A. Video error N

Move to No video/No audio

A1

Check Back Light

On

Y

On with naked eye

 

 

 

 

N

 

A2 Check Power Board 24v output

A4

Check Power Board 12v,3.5v etc.

Normal Y voltage

(Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable,,,) N

Repair Power Board or parts

Replace T-con Board or module

Normal Y voltage

N

Repair Power Board or parts

Replace Inverter or module

End

Precaution A6 & A3

Always check & record S/W Version and White Balance value before replacing the Main Board

Replace Main Board

Re-enter White Balance value

Copyright © 2012 LG Electronics. Inc. All rights reserved.

LGE Internal Use Only

Only for training and service purposes

 

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LG Electronics 32LS5600/560S/560T-ZC Lcd Tv, A. Video error, Main B/D↔ Power B/D, LVDS Cable,Speaker Cable,IR B/D Cable