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57uwx20B no picture only sound

1888 Views 1 Reply 2 Participants Last post by  lcaillo
i was watching a movie with my son and the screen went black with audio. there were no other symptoms just all of a sudden no picture. i turned off the set and let it sit for several minutes, then i turned it on and there was picture again. but soon the picture went to black again with audio. seems like a relay to me or some other part getting hot and failing. this just happened so i have not had the time to open up the set yet. any advice would be greatly appreciated.
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I would start by looking for bad solder joints particularly in the vertical output section.
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