Question about Proscan PS60690 60" Rear Projection Television

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Tv shuts off, works for a few hours then a red line flashes a few times and then the picture in picture box appears and then the whole tv shuts off and on then we have to turn it off

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Possible to be the worst problems in servicing of printed boards, the soldering of the board could have developed some dry joints and seems to cut off when the joints heat up, susequently the it becomes and errror for the whole Tv to shut off.
So remove the board, get access to see the soldering joints, look at the possible areas of heating , power drivers,resistors.
Solder and check out.
The second possible fault can be a faulty processor IC, dry joints on the processor or allied circuits.
Finally check the Power supply,drive sections for visible signs of faulty capacitors.

Posted on Sep 05, 2010

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Posted on Jan 02, 2017

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Proscan PS60690 1st turns off then on by itself. Then 3 on-off cy I've had this exact problem twice. The 1st time I replaced the RCA part number 205064, which I believe is called the HV splitter. I used a generic non RCA part. The TV worked great for several months but went out again and it has been broken for 2 years. I finally ordered the new true RCA part number 205064 HV splitter. The TV, again seemed to be fixed, and what I a beautiful picture it had through our cable box. But, no happy ending at this point. It worked for a couple of days and then turned off and back on while my wife was watching it a few minutyes ago. It cycled off then back on twice in a 3 minute period so with the picture showing and tv still on she went ahead and turned it off. This is how the problem began several years ago the 1st time it went out. I don't want to turn it back on anymore in case the brand new HV Splitter is still OK. Does anyone know what other parts may be going out, causing the HV splitters to go bad and start shorting out. I know the HV spitters have been an ongoing problem with these sets, but since I just put a brand new RCA one in only 2 days ago I'm wondering if something else goes out first and causes the splitter to go bad after a period of time. I would appreciate any help. I can't afford a new set right now and the picture looks so great on this set using a cable box I feel it's definately worth fixing. ps Could missing o-rings cause this? I've never seen the o-rings. Even the first time I replaced the HV Splitter. Thanks

Feb 28, 2017 | Proscan PS60690 60" Rear Projection...

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