Read LG 32LC4D (CHASSIS:LT73A) Service Manual online
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TROUBLESHOOTING
1. No power
(1) Symptom
1) Minute discharge does not occur at module.
2) Front LED does not activate.
2) Front LED does not activate.
(2) Check following
Plug in the power cord.
No
Yes
Is the power
cord plugged in?
Connect the cable.
No
Yes
Are the Line Filter
and Power Board cable
connected?
Replace the fuse.
No
Yes
Is the fuse(F100) of
Power Board normal?
Connect the cable.
After the cable connect is removed to Power Board(except the CN101
connection cable), the AC voltage marking is authorized on manual.
If ST-BY 5V is not operated, replace Power Board.
connection cable), the AC voltage marking is authorized on manual.
If ST-BY 5V is not operated, replace Power Board.
No
Yes
Is it
Power Board and
13-14pin cable connected
to the VSC board
cable?
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