Question about Mitsubishi WS-55807 TV

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MITSUIBISHI WS-A55 WHEN I TURN ON UNIT IT SHUTS OFF AFTER 3 SECONDS. WHICH BOARD IS THE DM BOARD AND WHERE ARE THE CAPACITORS LOCATED? DO YOU THINK THIS IS THE PROBLEM

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  • timndebra Oct 30, 2008

    exactly the same problem you have

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  • Master
  • 934 Answers

Joe,
In most cases the shutdown in those units is due to convergence not the digital module. Check the foil side of the convergence Ic's 801 and 802 for ring cracks in their connection to the board. You may need to replace them if you don't find a ring crack problem or re-soldering doesn't work.
Bill

Posted on Nov 03, 2008

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Mitsubishi WS-A55 with a 2-3 error code


SD Tech - I have the error code 22 on my WS-A55. Power light comes on and then quickly shuts off. Looked at circuit board - there was greenish "gunk" on two of the electronic parts on the board in the center (behind the speaker grill) in the area labelled R5A62. Would you be so kind as to post repair instructions and the name of parts seller you mentioned above? Thanks!!!

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Where is the dm board for ws-55511 located


The dm power board is the small board shown in the illustration below it has the 7 capacitors on it and its located inside the metal box on the far left side of the TV when looking in the rear cover. The metal box stands up vertically2_12_2013_9_52_00_am.jpg

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1 Answer

Mitsubishi WS-65611 Projection TV When I turn


The problem is common to Mitsubishi projection TVs. Technicians dubbed it as the "blinking green light of death" due to its notoriety.
Here's the basic troubleshooting of the said problem.

  1. Make sure that no front panel buttons are inadvertently stuck in an "engaged" position.
  2. Disconnect ALL devices from the TV.
  3. Press the SYSTEM RESET button and hold for 10 seconds. Proceed if the problem still exist.
  4. Press and hold POWER and MENU buttons simultaneously for 20 seconds. Proceed if the problem still exist.
  5. Unplug the TV from it's power source for various times, ranging between 5 minutes and 24 hours.
If you are still having the problem, either of the following is causing the problem:
  1. DM Board Capacitors have FAILED
  2. Power supply failure
  3. EEPROM Board failure
If the capacitors are bad on the DM board, you can replace it by yourself and save a couple of bucks. The capacitors will cost you about $4 or less compared to $200 when you ask a technician to do it for you. Just insist that the 4-1000uF, 16V capacitors be replaced They usually insist to replace the DM board and cost you $500-$800. These are the capacitors on the DM board with the bulge indicating they are bad.
cc7fdd1.jpg

Same thing with the power supply. You can check the filter capacitors for this kind of problem.

Please let me know if you decide to do the repair yourself and need the guidance to do it.


Nov 30, 2009 | Televison & Video

1 Answer

Mitsubishi tv model ws-65315, when i turn the set on, the green light comes on for a second then the set turns off what could it be


Check the voltages at the test points on the power supply. If the voltages are correct and all the fuses are fine, check for swolen capacitors on the format and the DM boards and replace them

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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.

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1 Answer

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

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1 Answer

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There are (4) 1000uf @35V capacitors all together on the DM board that need to be replaced some models have 1000uf @ 16V but they are all right beside each other and all rated at 1000ufs the voltages will be stamped on the capacitor along with the uf ratings.

Apr 07, 2008 | Mitsubishi WS-55515 55" Rear Projection...

2 Answers

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I would go for changing the capacitors I have seen many that have the same scenario.95 % of the time it falls back to capacitors being bad on the board. I have also seen alot of boards interchanged in the projection units. Has it ever been in for service? If so was it performed byan authorized mitsubishi repair shop?

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