Troubleshooting - LG 50PC51 Service Manual

1. No power
(1) Symptom
1) Minute discharge does not occur at module.
2) Front LED does not activate.
(2) Press check
Start Check
Is the power cord
plugged in?
Are the line filter and
PSU connected?
Is the correct fuse for
the PSU in place?
Plasma(F101)
Is the PSU and 13-
14pin cable connected
to the VSC board?
Next remove all cables connected to the PSU and
switch the AV voltage to manual.
If the ST-by 5V does not operate, replace the PSU.

TROUBLESHOOTING

No
Yes
No
Yes
No
Yes
No
Yes
Plug in the power cord
Connect the cable.
Plasma(CN1)
Replace the fuse.
Connect the 13-14pin cable.
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