LCD TV SERVICE MANUAL - Jordans Manuals
LCD TV SERVICE MANUAL - Jordans Manuals
LCD TV SERVICE MANUAL - Jordans Manuals
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
Standard Repair Process<br />
<strong>LCD</strong> <strong>TV</strong><br />
Error<br />
symptom<br />
C. Audio error<br />
No audio/ Normal video<br />
Established<br />
date<br />
Revised date<br />
2008. 3 .26<br />
Electronics 6-3<br />
8/13<br />
No audio<br />
Screen normal<br />
Check user<br />
menu ><br />
Speaker off<br />
Off<br />
N<br />
Check audio B+<br />
20V or 24V of<br />
Power Board<br />
Normal<br />
voltage<br />
Y<br />
Y<br />
N<br />
Cancel OFF and describe<br />
Replace Power Board and repair parts<br />
Check<br />
Speaker<br />
disconnection<br />
Disconnection<br />
N<br />
Replace MAIN Board<br />
End<br />
Y<br />
Replace Speaker<br />
Copyright c 2009 LG Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
LGE Internal Use Only
Change language