Question about Pioneer SD-643HD5 64" Rear Projection Television

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Problem when set is turned on the picture is red, but after a few hours of being on the picture corrects itself to normal

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  • mtraver Aug 21, 2008

    Ours does the same thing...any way to fix it?

  • jorgeady Aug 30, 2008

    when we turn on the tv the TV is red like green color is gone.



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I had the same problem. I fixed mine. See Solution #2

Posted on Sep 24, 2008

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Sony Convergence

Posted on Jan 25, 2008


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LG tv is in protection mode, I guess. Can get it to work sometimes for a few hours, but always turns itself off and power light blinks red after that

Hello People, I have today took the back off from my LG 42LD450 TV. I had problem like screen goes from picture to like white or green lines. The tv has no functions then auto shuts off with red blinking light. I was concern and I notice my main power supply cord. The several gray little cords bind together are badly chewed. plus a black cord that is chew too. a more thicker cord. I indicated that if I replace these wires, perhaps my tv will start working correctly.. Yes we have little mice issue and this tv sucks cause there a small space were the stand goes at. can't close it either. Here's some pictures I took. sorry if blur. battery was low at the time. couldn't get flash or phone to focus.
20170522_214340 copy-n1wp1d2yjqbukp0mguo5hfo5-3-2.jpg

20170522_212905 copy-n1wp1d2yjqbukp0mguo5hfo5-3-5.jpg Anyways I would try to look at these wires if you are having same issue.. I found the gray wire only cost $25. So I'm guessing the larger wire be around $25 or $30+ I hope this helps anyone that having this issue. Good luck and hopefully good luck to me.

Jun 11, 2012 | LG 42LD450 42 in TV

1 Answer

Poor picture AVR1600

This is not the malfunction to remote as you thinks. It with the set itself.

Apr 30, 2012 | Televison & Video

1 Answer

I have a Samsung 50" HDTV DLP TV that I purchased 10/12/2008. I turned the set on the other day and it would come on generate a normal picture then power itself off. I unplugged the set for a few hours...

Lamp could still be going out they only last for 5,000 hrs some 8,000 playing hours.
Check the Lamp Fan if it stops running when Lamp turns on set will turn OFF.
But if you have never replaced Lamp Problem will be the Lamp Mats Has them for $99.00

Oct 23, 2010 | Samsung SP50L3HX 50" DLP TV

1 Answer

Samsung 2006 56" HLR5688W DLP TV Right half of screen turns black. Left side normal picture. Corrects itself when set is turned off and back on. Randomly occurs - sometime picture is ok for half a day...

Possibly a bad light tunnel assembly if the part is only a shadow effect. If not then probably a bad DMD board. The DMD board is part of the light engine but needs to be replaced by a technician.

Aug 15, 2009 | Samsung Televison & Video

1 Answer

Flashing red light

sounds like a flaky power supply or lamp ballast

Jun 01, 2008 | Radio Shack Cinego D-1000 Multimedia...

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Red screen

sounds like a picture tube problem its a problem that probably cant be fixed only by a professional

Nov 30, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Convergence issue resolved but concave picture remains

Set will need new convergence IC's.Requires chassis pull===technical & mechanical skill mandatory.After repair,re-aligment necessary.

Sep 26, 2007 | Philips 55PW9363 55" Rear Projection...

1 Answer

The flashibg red light

John, I do not know of a code, but it is a good idea in the design to have several goes at starting a circuit, before completely shutting it down. Oscillators are supposed to self start due to noise generated. Some electronic circuits require a reset pulse to be generated before the start up is allowed. The reset circuit may not be generated if the set is turned on again too soon, so it will stay in standby. This may normally be a few minutes to 30 minutes so it seems something in your set is faulty and could get worse. Try a test run with the back off and clean it out of dust with a long brush to keep it cooler. Make sure little fingers cannot get near it. Look to see if anything is obviously overheating.

Oct 21, 2006 | Thomson 24WK25U 24" TV

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