Question about Philips 30PW9817 30" TV

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TV randomely turns off

Our TV (Philips 30PW9817 30") will make a loud pop and completely turn off (pitcher and sound) the LED that is green when the TV is on will start flashing red. If we unplug the TV for a while and plug it back in, it will start working again - sometimes for a few minutes and sometimes for a few hours. But then it pops again and shuts off.

Any ideas?

Posted by on

  • DJW1234 Feb 19, 2008

    I took the back off and blew it out really well with my air compressor. Put it all back together but it happened again within 10 min of turning the TV on.

    What do you mean by the circuit could be overloading and how would you fix that?

  • rn47 Jun 15, 2008

    I have exact same problem, Could you fix it at all?



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It may just be a static buildup from the dust.
open the tv and blow it out with a air compressor.
if that doest not work then the circuit may be overloading.
remember it stores a charge for days.

Posted on Feb 17, 2008

  • Karl Whisenand
    Karl Whisenand Feb 19, 2008

    well at this point if the dust is out.
    the symptom is of many probabilities.
    this is where I get a thermal meter and find any hot spots to start with. heat can lead you to the failing transistor/circuit.
    I monitor the low voltage circuit.
    and the High voltage circuit.
    sometime the pop is in the picture tube circuit too. it can build up a charge and feedback onto the circuit board.
    most of the time you can see the spark if it does.
    either way you will have to know a lot about the tv innards to be able to fix it at this point.
    since it happens right away you can watch the back to see if you can catch the area it happens in. that just gives you a lead though.
    of course if the pop is in the speakers its likely in the low voltage area.



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