LG 42LC2RR Series, Service Manual

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TROUBLESHOOTING GUIDE
<VSC Board>
1. No Power
(1) Symptom
Ø
Does’t minute discharge at module.
Ø
Non does not come in into the front LED.
(2) Check following
Is plug in power cord? Plug in power cord.
Yes
No
Is the Line Filter and Power
Board Cable connected?
Connect the Cable.
Yes
No
Is the Fuse on Power
Board normal?
Replace the Fuse.
Yes
No
Is the Power Board and 13P of
VSC Board Cable connected?
Connect the Cable.
Yes
No
After the cable connect is remved
to Power Board(except the CN101
connection cable), the AC voltage
marking is authorized on manual.
When ST-BY 5V is not operated,
replace Power Board.