LG S92T2-C Service Manual page 62

ELECTRICAL TROUBLESHOOTING GUIDE
No 5 V (5V_LOADER)
YES
Is the
VCC supplied to IC703
pin2?
YES
Is there
signal at IC703
pin1?
YES
Check IC703 and replace.
No 1.8 V (DVDD18_TX / PVDD18_TX)
IC801, IC806 HDMI
YES
Is the
VCC supplied to IC802, IC803
pin3?
YES
Check IC802, IC803 and replace.
NO
Check 6 VA on SMPS board.
NO
Check IC101 pin61 (PWR_CTRL).
NO
Check IC151 pin3 (VCC_3V3).
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