Solución De Problemas - LG 42LC4R Manual De Servicio

1. No power
(1) Symptom
1) It is not discharged minutely from the module.
2) Light does not come into the front LED.
(2) Check process
Is plug in power
cord inserted ?
Is the Line Filter and
PSU connected?
Is the fuse of PSU
normal? Plasma(F101),
LCD(f100)
Is it connected
that PSU and 13-14pin
cable in VSC
board?
After all cables connect is removed
to PSU, the AC voltage marking is
authorized on manual.
When ST-by 5V is not operated,
replace PSU.
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Only for training and service purposes
SOLUCIÓN DE PROBLEMAS
No
Yes
No
Yes
No
Yes
No
Yes
Plug in a power cord
Connect a cable.
Plasma(CN1), LCD(SC100)
Replace the fuse.
Connect the 13-14pin cable.
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