Question about Mitsubishi WD-52725 52". Rear Projection HDTV

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Please forward directions (and pics) on how to remove the DM board from a Mits 52725. I have seen directions for other WDXXXXX machines. I am familiar with removing the chassis. I had to replace caps on the power board. Much appreciated! Could you send me the same info on removing the DM Board for my Mitsubishi - 52725. please email to lut1976@yahoo.com Much

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Posted on Jun 04, 2009

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Mitsubishi WD-52725 DLP DM board


The DM boards for that chassis are almost impossible to find if they are still good. Have you tried replacing the caps on the DM board that you have? Thats usually whats wrong are bad caps.

Mar 16, 2012 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

My WD-52725 mitsubishi 52 in tv is not working i turn it on and the fan starts but then i get a whining sound for about 5 too 10 seconds then it stops the sound for cable is working but no pic. then the tv...


Hi:
This sound is an indication that the color wheel is faulty in the light engine, with mits sets you must replace the entire optics engine. You can purchased used light engines or have your sent in for repair. Try this site for rebuilt engines www.tristatemodule.com

Mar 10, 2011 | Mitsubishi WD-52725 52". Rear Projection...

2 Answers

We replaced the V26 dm repair kit and the problem still exists-tv won't turn on . What do you recommend?


Did you also replace the power capacitors on the power board. Usually the DM board and Power board caps together will cause the steady blinking led the DM caps alone only rarely cause the steady blinking led usually its a combination of both boards capoacitors failing.

Feb 17, 2011 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Want to replace caps which board is the DM board?


Once you take the shield assembly off, you will see a board, I believe it is the DM Board board. There are four Capacitors grouped together probably rated at 35v 1000 mfd, 105 degree. They should be replaced with 35v 680mfd,105 degree Capacitors. Now once that is done, there is another board under that one. This is the Format Board. It also has 4 Capacitors that should also be replaced. They are the same value as the first Board and should be replaced with the same 35v 680mfd, 105 degree Capacitors.
Please note the Flex connectors at the bottom of the DM and Format Boards. They may not be available from Mitsubishi any more so be gentle with them and make sure the are installed properly when reinstalling the Boards back into the chassis. There is one other Board you should look at. The Power Supply Board is the board on the back of the chassis and also has a number of Capacitors that fail. Most all of the Capacitors that fail through out this chassis will have bulging tops. So any you see bulging, you should replace whether they are on the DM, Format , or Power Supply.
I hope this helps,
Skyassoc

Jan 07, 2010 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Mits WD52725 DM Board


Dan,
I would causion removing the DM board in this unit. It is buried and the real problem is that there is many capasitors across all the boards of the chassi assy that could go bad. Replacing the ones on the DM will not guarantee fixing the dreadful green Blinking
LED. The only way I have known it to be fixed properly is to actually send the chassi assy. to Mitsubishi for them to refurb it. The negitive thing is that it is exspensive and they will only refurb it through aAuthorized Misubishi Repair Facility.
Cost would probly be around 800.00 to 900.00.
I know it is not what you wanted to hear,
but that is mt take on it.
Hope this helps,
Skyassoc
But it is the

Jun 01, 2009 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Mits WD52725 DM Board


You can find any of the PC Boards for Mitsubishi TVs at Discount Merchant.com for 69 dollars

May 29, 2009 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Need DM or FMT PC board


If the front light of the TV is blinking green suspect caps are bad and change them yourself, google for cap locations

Nov 21, 2008 | Mitsubishi WD-52725 52". Rear Projection...

2 Answers

Mits 52525 blinking green light


Good Day;

If you only changed 4 caps,1000 ucfd 35v, it should be 5, if you did not remove the little plug in board, e prom, you may have damaged that. B-4/after changing caps what is the indicator light, green, doing?

Does light stop? Please rtn with more info.

Jun 13, 2008 | Mitsubishi WD-52525 52" Rear Projection...

8 Answers

WD-52725 Timer light is blinking and will not stop.


This part will cost you about 650 to 800 bucks my friend. if you have any soldering skills, and can follow directions, I posted a DM board fix. it may just be four small capacitors. Now this set that was used in the fix is not exactly like all the other Mitsubishi TV sets that still have a DM board, but if you can locate the DM board, follow the rest of the repair. if you do not know how to solder, do not take a chance, as this part is way too expensive to be experimenting around with. Get the Capcitors(there is a link there too for the capacitors)and take the DM board to a service shop, as this should not cost you a lot to have a pro do this for you. The DM board fix is located here: http://www.fixya.com/howto/h154057-mitsubishi_dm_board_repair Good luck

May 27, 2007 | Mitsubishi WD-52525 52" Rear Projection...

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