LG S92T2-C Service Manual page 65

ELECTRICAL TROUBLESHOOTING GUIDE
No 1.5 V
YES
Is the
VCC supplied to IC150
pin13?
YES
Is there
signal at IC150
pin15?
YES
Check IC150 and replace.
No 1.2 V
YES
Is the
VCC supplied to IC155
pin2?
YES
Is there
signal at IC155
pin6?
YES
Check IC155 and replace.
NO
Check 14 VA on SMPS board.
NO
Check IC101 pin59 (DCDC15_CTRL).
NO
Check 14 VA on SMPS board.
NO
Check IC101 pin60 (DCDC12_CTRL).
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