Troubleshooting - LG 42LF66-ZE Service Manual

1. No power
(1) Symptom
1) Doesn't minute discharge at module.
2) Non does not come in into the front LED.
(2) Check follow
Is plug in power cord?
Is connect the Line
Filter and Power
Board Cable?
Is normal the
Fuse(F100) on Power
Board?
Is connect the Power
Board and 13P of VSC
Board Cable?
After remove the cable connect to
Power Board (except the SC100
connection cable), authorizes the
AC voltage marking on manual.
When ST-BY 5V does not operate,
replace Power Board.

TROUBLESHOOTING

No
Yes
No
Yes
No
Yes
No
Yes
Plug in power cord
Connect cable.
Replace fuse.
Connect Cable.
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