Troubleshooting - LG 32LX4DC-UA Service Manual

No power
Power supply Check
connector connection status.
Pass
Stand voltage check:
D-board P810 '+5V-STDBY
Pass
Stand voltage check:
A-board P818 #5Pin 5V
Pass
Power On key
Check 15V or 5V
of Lips
Pass
OK

TROUBLESHOOTING

Connector connection
Fail
Check wiring status of the 13-pin
Fail
Replace Power_board
Check wiring status of the 15-pin
Fail
Replace Power_board
Power on signal level :
D-board P811 'power0' 3.3V
Fail
D_board main voltage:
Replace Power_board
- 16 -
Connection
of power supply part :
connector
Pass
Connection
of power supply part :
connector
Pass
P810 '+3.3V', '+6V-P',
'12V-P', '+30V-P'
Pass
Fail
Replace D_board
MICOM IC803