LG FA162 - Smps Power Circuit

3-13
ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART
8. SMPS POWER CIRCUIT
No 3.7 VA
Replace F901 (same fuse).
Replace TH901.
Replace BD901.
Check or replace IC901.
IC901 normal?
Is the Vcc
(13 V ~ 27 V) supplied to
IC901 Pin5?
F901 normal?
TH901 normal?
BD901 normal?
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Power line of MAIN PCB is short.