LG S92T2-C Service Manual page 64

ELECTRICAL TROUBLESHOOTING GUIDE
No 5 V (MIC AVCC_5V)
YES
Is the
VCC supplied to IC154
pin2?
YES
Is there
signal at IC154
pin1?
YES
Check IC154 and replace.
No 5 V (5V_IPOD / USB_5V)
YES
Is the
VCC supplied to IC150
pin8?
YES
Is there
signal at IC150
pin6?
YES
Check IC150 and replace.
NO
Check 6 VA on SMPS board.
NO
Check IC101 pin68 (LDO_CTRL).
NO
Check 14 VA on SMPS board.
NO
Check IC101 pin68 (LDO_CTRL).
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