Question about Mitsubishi WS-55807 TV

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Dm board (power supply) for mitsubishi rear projection tv (ws-55807)

When the tv is turned on automatically it would turn back off then a few days later it wouldnt turn on at all. Then we did some research and found out that it was the dm board.

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  • tarl n Jul 23, 2008

    slightly different model but same problem. had service tech come out and he said the high voltage circuit was fried. $450 to fix :-s



  • emw6 Sep 27, 2008

    I have a ws 48 mitsubishi green light blinkin and won'tgo out

    please help"""""""""""

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  • 927 Answers

Good day,

mohiuddin;

If the indicator stays on then you may have an DM PCB problem and to correct this do the the folowing:

SYMPTOM: Power LED does not stop blinking after plug in.

CURE: replace C9B01, C9B02,C9B10, and C9B11 (1000 uFD 16V) on the DM PCB. Replace them with part # 181P734030 (680uFd 16V).

The DM Board (PCB) is located on the very left side of the TV looking from back. Caution on removing Board and note what cables you disconnect to access the Metal Shielded Board.
Good Luck, big IRISH.

Posted on Jul 30, 2008

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Posted on Jan 02, 2017

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1 Answer

The power outage went out yesterday and my tv wont turn on


Hi,
Most likely it is capacitors on the dm board that have gone bad. This is a fairly common problem and has been addressed on fixya many times. If you know someone who is good with soldering and technically incline or even an honest electronics guy then the repair is quite cheap. If you have any other questions please let me know. if its not the capacitors on the DM supply then its a problem with the whole DM assembly that part usually is around 300$. So you may want to consider purchasing a new tv. Trying the 7 caps on the dm supply board shouldn't cost much if it takes anything more then that. I would sell the tv on craigslist or ebay and recoup as much as you can towards your next tv.
thank you,
lee
Thank you,
lee

Apr 01, 2010 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

Have ws65869 tv


Replace the dm power board . Its inside the metal box on the left (looking at the back with the back removed). p/n 935C986002
Or if you can solder then replace the 7 electrolytic capacitors on the DM power board. value 1000uf16volt.

Jul 25, 2009 | Mitsubishi WS-65869 65" Rear Projection...

1 Answer

MITSUBISHI BLINKING GREEN LIGHT


replace the dmv pcb, replacing just the cap is a temp fix, that is if it works location number is c9624

Jan 11, 2009 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

My tv wont turn on??!!


there are six capacitors on the DM board 1000uF 16 v that go bad, repace them with 680uF 16 v. 105C. the capacitors are clustered together. on the DM board the DM board is the board that is enclosed in the metal box. the repair is not an easy one so have a tech help you. this is a known problem.

Jan 04, 2009 | Mitsubishi WS-48613 48" Rear Projection...

1 Answer

Mitsubishi WS-55807 turns on but then powers back down after a few seconds


Good Day;

The fuses tell you that circuit has failed and was drawing too much current. No other test is needed.

Good Luck, big Irish.

Sep 04, 2008 | Mitsubishi WS-55807 TV

1 Answer

Mitsubishi ws 65857 powers off


Your set is the V17 chassis it doesnt have a DM board, your problem is most likely centerd on the main Circuit board .

Jul 24, 2008 | Mitsubishi VS-60707 60" Rear Projection...

2 Answers

WS-55807 doesn't power on


1) Check all fuse devices in power supply

2)Pc board with transformer possibly defective.............T.

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1 Answer

Mitsubishi WS-55807 parts in a VS-60603?


I own a Mitsubishi WS-55807 55 in. for parts if you are interested. Please contact me back if interested. 727-773-8208 Nicole

Sep 29, 2007 | Mitsubishi VS-60603 60" Rear Projection...

3 Answers

Blinking green light stays on and TV won't turn on.


Check for open pico fuse in power supply caused by bad convergence I.C.Get pro help-you have a good set to save.Remember--practice visual acuity technique!And,above all else,do no harm!!

Aug 26, 2007 | Mitsubishi WS-65869 65" Rear Projection...

1 Answer

Mitsubishi ws 55807 have the blinking lights problem and not powering on


Yes on some sets are a bit differant depending on the model number there is still a DM board. The disassembly is a bit different and the service manual will describe how to take apart the TV set to get to the DM board. The repair is the same for the DM board. I am sorry but I do not have the the service manual but one can be downloaded here: http://www.servicemanuals.net/results.aspx?type=SM&brand=0&model=WS55807 Good Luck

Jun 20, 2007 | Mitsubishi WS-55859 55" Rear Projection...

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