Troubleshooting Guide - LG Flatron M1717A Service Manual

No power
(LED indicator off)
Check 15V or 5V
of Lips
Pass
Check Output of
U406
Pass
Check LED Assy
Pass
Check J103, J125, J126
Connector

TROUBLESHOOTING GUIDE

:[A]Process
Check short of main B/D
or Change Lips
Fail
Pass
Check Output of
Pass
Change U406
Fail
Change LED Assy
Fail
- 15 -
Q402
Fail
Change Q402