Question about Mitsubishi WD-52525 52" Rear Projection HDTV

1 Answer

Purple lines moving diagonally on screen

I had this hdtv for almost 2 years and now it starting to have these lines moving on the screen. I thought it was the cable tv but I unplugged all the component cables and its still there.

The HDMI port works fine. All the component connections has this problem.

Anyone might have a clue what is going on?

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1 Answer

This happened to me last year with the same set. Had it repaired - they replaced the "PCB Formatter" board and the problem was solved. But unfortunately, less than a year later, the problem has coem back. Good luck!

Posted on Oct 29, 2007

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Posted on Jan 02, 2017

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Diagonal lines on upper 1/3 of screen


It sounds like the dmd board may be defective but you can try rebooting the set and see if it makes the picture any better...
1 - Turn on the Tv.
2 - Press & Hold the up arrow key on the remote and then press the power button on the front of the Tv.
3 - Tv will reset & reboot

If the picture is the same it's probably the dmd board which is part of the "B" block assembly and I don't believe they're sold separately. The "B" block is about $1100.00 dollars.
Hope this helps!
Bill

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