Question about Philips 50P8341 50" Rear Projection Television

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Phillips 64" PTV Issues

It had two blown fuses and a cut power cord when I salvaged it, I soldered on a new power cord, replaced the fuses and the tv ran great for about 8 hours, then shut it's self off. It turned back on and shut it's self off immediately. We took a look at the fuses and they were fine, let it sit for an hour and it worked for another few hours before turning off. Every time it's turned on it turns it's self off sooner, no matter how long it's been turned off or unplugged. It was unplugged over night, ran for 40 minutes and turned its self off, there is no noise or light associated with it's being turned off, but when it comes back on there is an upside down rainbow on the top of the screen. Any help is greatly appretiated.

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  • AJDS Nov 04, 2007

    I don't see any bad solders, I did find another blown fuse, I replaced it and the problem has not changed.

  • AJDS Nov 04, 2007

    I have been searching around the Phillips website and have discovered that the TV is a CRT Projection TV and model number 64P9161099 or 64P9161



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1) Not vertical problem
2) "upside down rainbow" at any time is a convergence issue
3) Replace STK convergence amp IC's

Let me know if you need more help...................T.

Posted on Nov 16, 2007

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Sounds like vertical problems see if you have bad solder connections then get back to me

Posted on Nov 02, 2007


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If you are going to do this yourself make sure you do not touch the contacts on under side of the circuit board that connect to the LARGE capacitor (looks like a giant battery)

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hi....hope this can help...
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