Read LG 42PT81-ZB (CHASSIS:PP11S) 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(
Plasma(
)
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 13pin cable.
After remove all cables connected PSU(except the
CN101), authorizes the AC voltage marking manual.
If the ST-by 5V does not operate, replace the PSU.
CN101), authorizes the AC voltage marking manual.
If the ST-by 5V does not operate, replace the PSU.
No
Yes
Is the PSU and 13pin
cable connected to the
VSC board?
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