Question about Proscan PS50700 50" Rear Projection Television

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My tv shut off and wont come back on all it does is beep what is the problem

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  • Proscan Master
  • 1,229 Answers

Hmmmmm. at the easiest point i would certainly find a bad capacitor or two. Alwasy suspect a 160 volt to 200 volt cap at 1Mf, 2.2Mf or 4.7Mf. Another suspect would be the 200 volt 100Mf caps that are somtimes used in theses TV. You do have a problem in the the horizontal section. Start with the capacitor check and check for bad grounds. It is the board that contains the high voltage transformer [flyback]. It is this board that will be reworked. Ask a tech, you have some knowledge of the problem and this will keep your cost of repair in your favor. Your proscan TV is a sister model of the well brand known brand, RCA! Hope this helps and thanks for asking!

Posted on Aug 02, 2010

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Posted on Jan 02, 2017

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Turn the PS3 off into standby (red light on)
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Tv wont stop beeping every time i turn it on. It is a very high pitch beeping that doesn't stop. I have tried plugging the tv in several different plugs by itself but the beeping still didn't stop.


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