Electrical Troubleshooting Guide; System Power Supply On Smps Board - LG S65T1-W Service Manual
3d blu-ray / dvd home cinema system
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Also See for S65T1-W:
- Service manual (111 pages) ,
- Owner's manual (76 pages) ,
- Owner's manual (73 pages)
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ELECTRICAL TROUBLESHOOTING GUIDE
1. SYSTEM POWER SUPPLY ON SMPS BOARD
No 5.5 VA
Is F901 normal?
Is TH901 normal?
Is BD901 normal?
Is the VCC
(11 V ~ 25 V) supplied to IC901
pin7?
Is D952, D953 normal?
Power line of MAIN board is short.
YES
YES
YES
YES
YES
YES
NO
Replace F901 (same fuse).
NO
NO
NO
Check or replace.
NO
Replace D952, D953.
2-41
Replace TH901.
Replace BD901.
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