Read LG 42PC5RVH-TD (CHASSIS:PP78A) 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) Press check
Plug in the power cord
Start Check
No
Yes
Is the power cord
plugged in?
plugged in?
Connect the cable.
Plasma(CN1)
Plasma(CN1)
No
Yes
Are the line filter and
PSU connected?
PSU connected?
Replace the fuse.
No
Yes
Is the correct fuse for
the PSU in place?
Plasma(F101)
Connect the 13-14pin cable.
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.
switch the AV voltage to manual.
If the ST-by 5V does not operate, replace the PSU.
No
Yes
Is the PSU and 13-
14pin cable connected
to the VSC board?
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