LG BD630N Service Manual page 61

ELECTRICAL TROUBLESHOOTING GUIDE
No 1.5 V
YES
Is the
Vcc 12 VA supplied to IC202
pin2?
YES
Is there 3.3 V at
IC202 pin6?
YES
Check IC202 and replace.
No 1.1 V
YES
Is the
VCC 12VA supplied to IC201
pin2?
YES
Is there 3.3V at
IC201 pin6?
YES
Check IC201 and replace.
NO
Check 12 VA on SMPS board.
NO
Check PWR_CTL signal from IC501.
NO
Check 12 VA on SMPS board.
NO
Check PWR_CTL signal from IC501.
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