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Pioneer PDP-502MXE Dead set.

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Restorer79:
Hi Pan: No worries mate, dealing with this sort of stuff day in / out is bound to give you bad eyes.
I'd replace C202 rather than check it, have you checked all the diodes around Q201 ?
Did the fuse blow ?, looking at the Diagnostic chart with Q201 blown Q202 may also be blown & R133 / 34 may also be blown. Chart shows that these components can be blown by a fault on the RCC control (A) assembly or the OTL control (A) assembly.

Good luck, looks like a horrible bit of kit to work on.


Andy

pan:

Hi Guys,

Yes I’ve checked most of those components out no other faulty part found.
I was told that the TV went intermitted prior to going dead as far as the power supply starting up.
I will go ahead and replace the R168 & Q201 fingers crossed I let you know how it goes.
Thanks
Pan

pan:
Hi Guys,

No luck the mosfet & Resistor blow on switch on.
Set now returned as could not source a P/S.
Thanks anyway.
Pan

Restorer79:
Hi Pan: Sorry to hear that mate, that's the trouble with modern stuff it seems to have a mind of it's own & does'nt give in to logical diagnosis.




Andy

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