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samsung ps42b430p2w

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t1412:
hi fella's had this samsung plasma come in with intermittent no picture fault, work for about 10 15 minutes screen goes black vs/va voltages ok done factory reset update the firmware, if switch on and off picture comes back on, any info or a schematic would be great thanks for your time

regards
shaun     

fix2003:
only notes I have
Samsung PS42B430P2WXXU no picture after a few hours LJ92-0166a
 sound ok
Turn TV off and back on and its ok again
no light on screen as opposed to faded picture etc

It goes off very quickly and stays off till we turn set off and back on again

cure

Dry Joints on edge connectors LJ92-0166a

Samsung PS42B430P2WXXU no picture

With the tiniest Ysus and Xsus PCB's I have ever seen. I had no picture with all the voltages decaying slowly. If the Ysus PCB was disconnected the voltages stayed at the correct level.

Surprisingly a complete reflow of the Ysus and Xsus plus USB firmware update solved the problem.

downunder:

Hi Shaun,

Just uploaded the service manual to this forum. Good luck with it.

Bruce

t1412:
Many thanks fella's will check dry joints out and get back to

Shaun

t1412:
hi fix2003 it's done the job many thanks

shaun  :sign0098: 

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