Question about Philips 34PW9817 34" TV

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Philips 34PW9817 34" Shouts off and red light continuously blinks

You will be watching TV and it just turns itself off and the red light continuously blinks. The only way I have been able to get the TV to come back on is to unplug the TV and count to 10 and plug it back in.

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  • dbrb49 Jan 03, 2008

    same problem-get a clicking noise and sometimes it goes off for a second or two and comes back--but most of the time shuts off,blinking red light and only unplugging and leaving it off long enough can get it back- I talked to one person who said it could be the high voltage circuit board and it would cost $500(California) to fix--



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I guess the guy never fixed the problem since he never updated his post. PEOPLE UPDATE YOUR POSTS OTHERWISE YOURE A TAKER! Karma will get you.

Posted on Jul 28, 2008

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I am having the same problems with my 34PW9817. I spoke with someone at a Philips service depot today regarding the problem and they suggested that I unplug the unit and leave it that way overnight. The tech told me that more often that I would expect, this solution fixes the problem. They mentioned something about this allowing the microprocessor to reset itself. If that doesn't work then I am supposed to expect a repair of between $210 and $265 for problems relating to the power supply. The backlog on getting the unit in and out of the service depot is about 5 days for my area (Denton, TX). I am planning to try the reset tonight but do not expect this to really do much. The problem didn't start until my last move (San Antonio -> Dallas) and other than this, I have had excellent service and picture quality out of the unit. Will update this post after I rectify the problem. David

Posted on Mar 13, 2007

  • David Tucker Aug 24, 2014

    UPDATE 8/23/2014: I keep getting emails from Fixya telling me that the info above was helpful. However, the prognosis with the Philips TV didn\'t end there. What follows is my resolution to the problem. NOTE: I\'m an experienced in fields of electronics repair and high voltage applications. Please DO NOT attempt this at home unless you know how to take the necessary precautions. Otherwise you risk DEATH by electrocution!!! With that said, I removed the cover from the back of the unit, discharged the HD CRT (display tube) to ground, discharged all major capacitors and potential static sources, then unplugged and removed the boards for the power supply and flyback (High Voltage) transformer. Using a magnifier lamp I carefully examined the boards and found a number of suspect "cold" solder joints. I used a tempurature controlled, grounded, soldering workstation to resolder any joint that looked like it could have been a cold joint with possible separation. There were 20-30 of these. After carefully checking the board for any obvious component damage (overheated/darkened resistors, blown apart capacitors, cracked chips/transistors, etc.) and finding no other problems, I replaced the boards in the chassis and reconnected the various module connectors and jumpers. I then replaced the back cabinet cover of the unit and plugged it back into the wall outlet. After recabling inputs and outputs, I turned the unit on. It tested fine and never gave me another problem. I surmise that it had gotten jostled around a bit by the moving company during my prior relocation, as the problems didn\'t begin until after the move. But I was amazed at how many cold solder joints were on the board when I examined it. This is an obvious QC issue with Philips and should be addressed. Hope this helps!


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Hi there, If the tele has been on for some time so that it has finished warming up inside and then shuts off, it could be an overheating problem. If the tele switched itself off radomly after switch on from cold, then there may be a dodgy connection or component. If you are familiar with what circuits are in this tele, especially the high voltage ones, try using a freezer spray, if you can locate the circuit which controls fault diagnosis. Make sure any fans are running, if there is one, and that dust has not built up on hot components. Lastly, if it is a regulator problem, I would have thought you would see other symptoms, such as a distorted, changing picture at irregular times, followed eventually by shut down. Good luck.

Posted on Jan 15, 2007

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Sounds like you have a power supply problem. Possibly the regulation circuit.

Posted on Jan 13, 2007

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