Author Topic: panasonic Tx P42s10b dead (Read 9794 times)

mali67 · « **on:** June 15, 2012,11:10:28 »

Hello, I have a Tx P42s10b which seems to be dead after checking around in the psu im only finding a 5v and a 22v. and some mains voltages.
there dosnt seem to be anything comming out to any of the connectors

there are no leds lit at all.
No relay clicks
Ive checked all fuses, diods, Has anyone experience with this psu ETX2MM747MF

Thanks

Mulja tv repair portal · « **on:** June 15, 2012,11:10:28 »

mali67 · « **Reply #1 on:** June 16, 2012,06:47:12 »

there is a very quiet ticking noise coming from the psu, sounds like its coming from a tansformer trying to kick in

jordan · « **Reply #2 on:** June 16, 2012,07:29:33 »

Chassis GPF12DE/Panasonic
Led blink ???? X time ?????
Check optocoupler P685 on SC board

Mulja tv repair portal · « **Reply #2 on:** June 16, 2012,07:29:33 »

mali67 · « **Reply #3 on:** June 16, 2012,07:56:02 »

Quote from: jordan on June 16, 2012,07:29:33

Chassis GPF12DE/Panasonic
Led blink ???? X time ?????
Check optocoupler P685 on SC board

no led blink at all
and cat find p685

mali67 · « **Reply #4 on:** June 17, 2012,04:25:18 »

still stuck with this one

mali67 · « **Reply #5 on:** June 26, 2012,03:07:44 »

still stuck on this one

Mulja tv repair portal · « **Reply #5 on:** June 26, 2012,03:07:44 »

mali67 · « **Reply #6 on:** June 26, 2012,05:11:02 »

or a service manual would be great cheers

jordan · « **Reply #7 on:** June 26, 2012,08:40:06 »

I send on your email

mali67 · « **Reply #8 on:** June 26, 2012,17:43:04 »

cheers jorden

mali67 · « **Reply #9 on:** June 27, 2012,04:14:42 »

still stuck with this one, im getting no voltages at any connectors.
Just a ticking from transformer t501.

zica · « **Reply #10 on:** June 27, 2012,13:39:48 »

Have you checked if there's any shortcuts on secondary side. PSU goes into protection?

mali67 · « **Reply #11 on:** June 27, 2012,13:50:41 »

checked for shorts, checked all diodes, transisters, i know im missing something, im just stumped,
the clicking sounds like the transformer 501 tripping
for some reason i now have no standby voltage neither

Mulja tv repair portal · « **Reply #11 on:** June 27, 2012,13:50:41 »

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