Question about Pioneer PRO-510HD 53" Rear Projection Television

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Pioneer 510-HD 95% of the time when i turn my unit on it comes on to a blue screen with horizontal lines and with light fuzz in the sound. if i leave it on like this for 10 to 20 minutes it will make a loud POP and the picture and sound come right on. thanks for any help you can give.

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  • dpropper Jan 21, 2008

    same problem as EchoKaos's pioneer. I have already re soldered  the connections on the power board. It works for days or minutes at its own descretion.   I know its crow-barring the power supply circuit, I just don't Know why. it also pops when it goes off, sometimes.    



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EchoKaos may not have resoldered his PS board, which most units in that line need. This will most likely solve the problem. A virtually complete resolder is needed on that board, not just the obviously problem areas.

If not -

If the hor lines are upward and curved slightly and a couple of inches apart, then the blue Screen trimpot on the focus block is most likely turned up too high. When turned down the lines will disappear.

This mucks with your grayscale, but then it's trashed anyway by now, and after reducing it, you will have to do a new grayscale on your set, or have one done by ISF. Or a tech who knows how to set the Screen controls, since ISF does not teach that.

Mr Bob

Posted on Feb 07, 2008


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