Question about Pioneer SD-P50A5-K 50" Rear Projection Television

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Pioneer SDT50W1 rear projection TV clicks off when switched on.

I have A Pioneer SDT50W1 rear projection TV which is about 11 years old. It is in A1 condition but recently I have had a problem when turning on the set. When I press the on off switch on the front of the set it clicks on with a green light showing but then immediately clicks off showing a red light as if going into standby mode. ( I have tried then turning the set on from the remote handset but nothing happens). The set only does this on some occassions. I had the set on for most of the day a week ago turning on and off through the day. The next morning tried to turn on the set but immediately clicked off. Tried several times that day but same response. After leaving a few days TV all ok again. This has been happening over the last 3 month or so. Any ideas? it's driving me mad.

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  • tntdiddy Feb 07, 2009

    I have had the same thing happening with my tv for over a year now. Today it won't turn on at all. I removed the rear cover to expose the electronics and I can hear a clicking noise when I power it on. I checked a couple of fuses and they're good. The ticking noise will not quit and the tv still won't turn on. Any ideas anyone?

  • philkdds Feb 07, 2009

    Exactly the same problem.  I saw here in another thread that it is a fuse problem.  Is that true?


    Is there a schematic showing the correct fuse?
    philkdds@cox.net

  • toddie1 Feb 08, 2009

    i am having the same problem

  • doxies4us Feb 19, 2009

    I have the same problem. It just started yesterday. I found a fuse blown in the back. A 4-amp 125W I bought at Radio Shack. Problem is still there. If anyone has any ideas, I am open to some help.

  • Anonymous Mar 18, 2009

    I have the same problem going on with my T.V. so I take off the lower back panel on the t.v. and replace the blowen fuse then it works fine again for awhile then turns green on that screen then turns its self off and wont turn back on unless i change out the fuse again. I am tired of changen out the fuse all the time and just want 2 know why it keeps on blowing that fuse.

  • Anonymous May 19, 2009

    my tv is doing the same thing... it flashes a green light then goes back red and won't turn off. ususally after clickin it a bunch it comes back on.. but tonight it wont turn on at all...ahhh!!!!!

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I too have this TV. I did have that problem a while back. It had me stumped. finally, I unplugged the TV and installed a voltage regulating power strip and it has not happened since. I suspect power fluctuations or spikes were causing the problems, on this OLD but great TV.

Posted on Dec 17, 2009

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Hey dudes...even i hav had the same problem that too with the same model specified here..Its a problem actually concerned with the power circuit boards of the tv. Its best to get it checked by an authorized technician. For me I had to replace a transistor on one of the boards. But after that my tv came up with a new problem....the colours appear like rainbows! Could nyone xplain y dis is happening?

Posted on May 01, 2009

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I have A Pioneer SDT50W1 rear projection TV which is about 11 years old. It is in A1 condition but recently I have had a problem when turning on the set. When I press the on off switch on the front of the...


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