LG HR832T Service Manual page 93

ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER SUPPLY ON SMPS BOARD
No 5.3 VA
Is F101 normal?
Is BD101 normal?
Is R101 normal?
Is the V
(13 V~27 V) supplied to IC101
pin4?
Is there
about 2.5 V at IC103
pin1?
Is the IC102 normal?
Power line of main PCB is short
YES
YES
YES
YES
CC
YES
YES
YES
NO
NO
NO
Check or replace D102.
NO
NO
3-78
Replace F101
(same fuse)
Replace BD101.
Replace R101.
Is D102 normal?
Replace IC103.
Replace IC102.