Question about Mitsubishi WD-62525 62" Rear Projection HDTV
Looking also where I can find replacement boards. hope I can get some online training on repair. I've heard there is a place I can send in boards to have repaired. have a number of these tvs all are starting to have problems with caps have done replacement on most of them have a couple that it did not help. would like to fix them like this tv have both 52 and 62 in models. any help out there. I know about the diode fix I posted it. Thanks
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Posted on Jan 02, 2017
I would asssume that the four cap replacement you're referring too is in the power supply of the DM module. (The large silver looking box on the left looking at the back of the TV)..
You can unplug that module from the signal board and remove it. Open the cover and you should find 4 16v caps in the power supply. If they look buldged chances are they are the failure. If not you might want to take an ESR meter to them to confirm they're okay and move on... In the back of that module is a small vertical board called the E2P module. Unplug it from the DM and plug the DM back into the signal board. If it powers up your picture might not be in the best alignment but you've identified the problem - just replace the E2P module.
If none of this works you're going to start getting into some greater technical requirements - but let's cover that when you get that far...
Posted on Dec 28, 2007
SOURCE: Mitsubishi 52 " model WD-52631
Nope the bulb is fine. This set sucks up dust and contaminates the light engine. Rarley does blowing the set out with compressed air fix this, The light engine can be disassembled and cleaned but this is best left to someone who has done this once before. Because if it gets messed up you get to buy a $1500.00 light engine
Posted on Feb 13, 2008
SOURCE: Mitsubishi WS-65807 blinks '22'
yes the convergence Ics are what cause the two picos to be open they are both 5 amp picos. You can get the picos, the convergence ICs and the factory service manual for your model at the following link.your model is known as the V17 chassis for service manuals and you should require two STK392-570 Convergence ICs. Heres the link they provide free instalation instructions.
Posted on Oct 02, 2008
2 swollen capacitors on the power supply (first board you can see on the chassis when you start to dissassemble) big caps... 3300 uf... 16v i think. these caps can also induce a 3.4 code (lamp error) and all around **** picture. fmt failures can range from black and white checkerboard pattern on the screen to wavy lines over the picture and also the blinking green light. DM failures I've seen include the blinking green light , wavy lines, and weird digital failures like horizontal bars green blocks or the picture being cut in odd places.
also when you hear that the failure is caused by the capacitors (blinking green light mainly) the culprit is not only the bulged caps. This is why you can change all the caps on the boards and still not have a working tv. its about 80 surface mount caps across both the fmt and dm. techs, look at your replacement boards and notice the darker print on the 47uf caps. good luck trying to change them it takes me about 3 hours to do both boards and about 45 dollars worh of caps.
Posted on Dec 30, 2008
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