Question about Mitsubishi WD-52525 52" Rear Projection HDTV

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Hi, I recently acquired a WD-52525 for free from a garage sale. The woman told me they just recently replaced the bulb but it no longer turns on (was working up until 2 months ago apparently). When I got it home, it did turn on, but it doesn't display a picture. The entire screen is filled with grey and white rectangles. I've been trying to find info on this issue, but all I seem to come across is that these TVs had bad capacitors..and a lot of them. As a side note, there don't seem to be any blinking lights that would indicate a bulb issue, as the power light stays on constantly at that screen (like I assume it would normally). After about 5 minutes though, the TV powers back down (assuming because it has no source, but maybe not). Any help would be appreciated, otherwise I'll be calling up my local repair shop on Monday. Thanks.

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If the TV's are noted for bad caps, and the description of the error makes that possible, the only fix is to remove all bad capacitors from the boards and replace them with new ones.The bad ones are easy to spot because they usually are either bulged at the top or have goop running out of them, or both.

Posted on May 22, 2011

  • yly267ghkh3q May 22, 2011

    Well yes, that's an obvious solution..but may not be the one I'm looking for. I was hoping for a little more case-specific answer. Maybe it's just a waste of time to replace them as something may be much more serious with it. In any case, what capacitors are the correct ones to buy? Side note: I did an error check (menu+device) and it gave me 12 = "No error detected, check power supply." Thanks again for any help.

  • Mark Schmit
    Mark Schmit May 22, 2011

    My experience in displays is more directed at smaller PC lcd's but I often deal with the same issue and it usually is a matter of replacing a bad caps. Aside from obtaining a service manual for the TV, the easiest way to know which caps you need to replace is by visual inspection. All components should have their value printed right on them, you simply need to read each one and then order them from a supplier such as DigiKey. Work slowly and either make clear notes about where each cap goes, or only remove one at a time to prevent mixups.



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