3-15
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
ONE POINT REPAIR GUIDE
SECONDARY UNIT
2. POWER ON ERROR
NO BOOTING WHEN YOU TURN THE SET.
2-1. Solution
Replace MAIN board.
2-2. How to troubleshoot (Countermeasure)
1) Check 15VB_25VA at R953 of IC907
2) 15V : when you don’t use adapter. / 25V : when you use adapter.
3) If 15VB_25VA is NG, replace MAIN board.
2-3. Service hint (Any picture / Remark)
< MAIN board bottom view >
R953
To Next Page
Loading...
Need help?
General
