LG 15LW1R - Troubleshooting

- 16 -
TROUBLESHOOTING
NO POWER
(POWER INDICATOR OFF)
Replace Power Adapter
Fail
1. OUT OF ORDER ON POWER (TX)
Fail
Replace or check soldering
of LCT1628 (U1006)
Fail Fail
Pass
Reprogram or Replace
VCT4973 (U603)
Fail Fail
Pass
Check PWRIN signal
on Main Board
Check 5V signal
VCC5.0V_VCT on Main
Board
Check
PWR_ON signal on
Main Board
Check
VCT4973(U603) on
Main Board
Check
LTC1628(U1006) on
Main Board
Check
16V or Connector(J1007)
on Power Adapter