Question about Pioneer PRO-620HD 58" Rear Projection Television

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Tv turn off by itself.

My pioner tv turns off after 1 or 2 hours of playing. If I let it off for a couple of hours, it will turn on. What do you think?

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  • HSLarkin Jul 21, 2008

    Same problem here. Our Pioneer turns itself off at random times. Sometimes we can watch a 2 hour movie and it stays on the whole time and other times it shuts itself off after 5 minutes. Help!!

  • Anonymous Sep 09, 2008

    TVpro 620 diffuses picture & sound after watching an hour, i then have to turn it off, and wait for it to cool down for 5 to 10 minutes. then turn it back on, then it's fine for about 40 minutes. Could it be bad solder joint?

  • Anonymous Mar 10, 2009

    Pro-620HD, the set shuts off after a couple of hours.

  • Anonymous May 04, 2009

    TV does not turn on. Red light is on when I press the big button on the left and green light won't come on when I press the small power button.



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I have been dealing with the same problem with the identical set. I'm pretty handy so rather than junk the set, I took off the rear panel and stuck a small fan in the back to cool down the inside of the cabinet. I love the picture on this TV so I'm doing all I can to save it. Sometimes it doesn't turn on so I have now taken off the front panel (speaker cover) and also the front access panel. I carefully reach inside and have to wrap on the part (with a long wooden spoon) that I hear clicking from when I hit the power button. I used to just give the cabinet a swift kick and it usually would turn on, sometimes after several kicks. Kick it, then hit the power button. So whatever the problem(s), it's not keeping me from watching a gerat picture. I have a feeling that if I took my air compressor and blew out all of the dust from all over the components, it'd probably solve the problem of it shutting itself off after an hour or so. Why it doesn't always turn on is anyone's guess, but a good tap or two with my wooden spoon here and there and it turns on eventually.

Posted on Dec 25, 2008

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This is a common problem with these pioneer sets. It turns out to be the power supply board has some cold solder joints and needs to be resoldered. You can order a replacement board directly from the Pioneer web site or have you board resoldered. Check out the AVS forum for a detailed explanation.


Posted on Apr 04, 2009


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Your problem is bad solder connections on the sweep or power supply board. In some rare cases I have seen the regulator IC with ring cracks arounfd the leads and causing the set to shut off all by itself. If you know how to solder and work on solid state printed circuit boards, you should not have too much problems finding bad connections or monitoring the B+ voltage to see if thats what is cutting off the set. If you have no circuit experience with TV's play it safe and call in a pro to assist you in this repair, as it should not cost too much to find this problem, if it is just bad or cold solder connections. Good Luck Please do not forget to rate this thread.

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