Troubleshooting Guide

Possible Trouble 6

It displays abnormally on DC PCB Ass’y.

Are IC01G and IC02G

NO

 

• Replace IC01G,

 

 

 

 

 

 

IC02G.

 

 

 

 

 

OK?

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

NO

 

• Connect connector

 

Is the connection of

 

 

 

to CN-AC/DC exactly.

 

CN-AC/DC OK?

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does the IC03G

NO

 

 

 

 

• Replace IC03G.

 

operate normally on AC

 

 

 

 

 

 

 

 

PCB Ass'y?

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

Replace the DC PCB Ass'y.

Service Manual 33

Page 33
Image 33
LG Electronics HB8004RA4, L8004RY4, HB8004RB4, M1004R, M8004RY4, HB1004R service manual Connect connector