Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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48"Mitsubishi projection TV

I don't know how old this tv is, a friend gave it to us over a year ago for free (can't beat that). At the time it worked fine, it still looks great too! About a month ago the set started blinking until we turned it off. After waiting about 5 minutes we could turn it back on and it would work fine. Now the picture looks like a 3D picture without wearing the glasses. When I go to convergence to align the cross, the red won't align because it is bent. Any suggestions on how to fix, or has it reached the end of it's rope?
Thanks for your help!
Kellee

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Blinking Problem
http://www.chrisandnat.com/Projects/BlinkingTV/blink.htm
http://www.jeremyburns.com/Mitsubishi-Green-Blinking-Light-Fix.pdf
http://www.fixya.com/howto/h159332-mitsubishi_dm_board_repair
http://hdtvoice.com/voice/showthread.php?t=32186
replace DM

Convergence amp ic bad
The STKs are common and if you have an experienced electronics tech around they can replace them for much less money but the tech must have advanced soldering and IC exchange experience.

The STK ics, two of them, can be purchased on line for around $20 to $40 each.

http://www.partstore.com/GetModel.aspx?MfgName=Toshiba&BrandName=Toshiba&ModelNu...

Partstore has two models available - one for around $40 and another for around $55.

The part number is STK392-110 and if you google you can find them for as little as $6/each but I don't recommend the cheap ones as they are not reliable.

It takes a good tech around 3 or 3 hours to take the old ones out and solder in the new ones. Also, it is likely one or two resistors are burnt and will need replacing as well.
Don not run the tv till you have it fix you will cause more damage!


Posted on May 22, 2008

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