Question about Philips 42PF7220A 42 in. Plasma Television

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Philips 42PF7220A 42 in. Plasma

TV will work for about 4 minutes, then it will turn off. The green light (power on light) goes off. Then a red light flashes on 5 times in a row, then pauses and repeats. While this is going on, I hear clicking sounds inside the TV like its turning itself on and off.

Philips tech support said it had to do with a power source problem but to be sure, take it to a Philips authorized dealer. I called 2 and they said I was looking at $950 to fix it.

I took out the fuses and tested them, they were all good. Is there a part I can replace?

Posted by DavidRXrep on

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  • dentistheman Jul 08, 2008

    same problem. green light, but no video or sound, then a repeating clicking sound, then red blinking red light. I tried to unplug it over night but this didn't help.

  • qxq831 Feb 11, 2009

    same problem. green light just second times, screen is black, then have a clicking sound(it's a normal sound), then red blinking red light. I tried to unplug it over night but didn't help,I check the central power board all fuse it's ok,I think the problum still is power board.if you don't have diagram it's difficult.

  • Anonymous Mar 30, 2009

    I have the exact same problem


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Anonymous

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I had a Similar problem where I would turn the tv on and the green light would come on and then the red would follow and blink 7 times. I tried unplugging it and then then replugging it back and it would still do the same. What I did last night was that I unplugged it and then replugged it back, when I saw the green light, I would unplug it again, till the light went out and replugged it, I did that 3 times in a row, and waiting and it came back on. Hope that works. I still don't know what caused the problem to begin with..

Posted on Apr 08, 2009

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If you know how to circuit test or at least check components for tolerances then check your power supply board starting with all the diodes and capacitors you can find. I think that noise you can hear is a faulty capacitor. Please remeber to discharge all capacitors before you work on anything because at worse it could end up seriously injuring you at best it WILL fry other parts of your tv. Good luck.

Posted on Oct 03, 2008

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