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SAMSUNG PS50C550G1W

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markc:
Hi,
can anyone help with a manual/circuit for this model.
Fault is no picture, sound OK. Y main panel was faulty, have swapped this, now the Vs supply comes on initially, but dies down fairly quickly. Don't think its the PSU but not sure.

Mark

downunder:

Hi Mark,

Tried unplugging Y-Buffer from Y-Main and checking if Vs stays up in case you also have a duff Y-Buffer.
Look in downloads section, bottom right column for "last downloads". Mind you, most current service manuals are as useful as a jockstrap in a blizzard (and about as much coverage). I've also added the "fast track service guide"        Bruce

markc:
Hi,
Thanks for the manuals. Have tried disconnecting buffer, still the same.
Have found that if I disconnect the cable to the small main control panel voltage stays up.
But I have already tried replacing this panel. Unless the replacement was faulty!

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