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Mitsubishi WD-62628 power shuts off!

After a few minutes of turning my 62" mitsubishi WD-62628 projection tv, it automatically shuts off and then the little green timer light start flashing. Anyone have an Idea of what is possibly going on? Mitsubishi WD-62628
I try to turn on the power but the Power/Timer light flashes then stops. It's like it keeps trying to turn on but gets shut off, over and over until I unplug it. I've tried reset and different outlets to no avail.

Any suggestions?

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  • 6 more comments 
  • rick62628 Oct 03, 2008

    I purchased the DLP in Jan. '07. After I unplug the unit then turn it on, sometimes it will go to the snow or blue screen for around :10 prior to shutting off and the green Power/Timer light flashing as it repeats the attempt to start then shuts off.

  • rick62628 Oct 03, 2008

    Yes, I have a fare amount of electronics knowledge. I also have the Service Manual if that helps.

  • rick62628 Oct 03, 2008

    I'm at work and the unit is at home, I can't count the green flashes now. I do have the Error Code Description table from the service manual.

  • rick62628 Oct 06, 2008

    The Error code is 12. Thanks for waiting!

  • rick62628 Oct 06, 2008

    How do you know whether it's the Power Supply or bad capasitors on the DM Module? And if it is the power supply will it do the same thing if I replace the capasitors?

  • rick62628 Oct 07, 2008

    How do I find out if it is the DM Capasitors or the Power Supply?

  • rick62628 Oct 07, 2008

    Thank You! I'll let you know how it goes.

  • Anonymous Mar 28, 2014

    yellow light flashes

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6 Answers

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  • Master
  • 2,712 Answers

You most likely have some faulty capacitors on the power module. You can easily identify a bust capacitor. They will have swollen tops. Here is a sample pic:
Mitsubishi WD-62628 power shuts off! - 3f4732b.jpg
Check the specifications of the faulty capacitors, and getthe replacements from your local electronics shop. If you are comfortable withthis, you can use a pair of needle nose pliers to G-E-N-T-L-Y pull out thedefunct capacitors. Once that is done, solder in the new capacitors carefully. Ifare unsure how to do this, try to get a friend who knows this kinda stuff to doit for you, or get a qualified technician.
Warning: If you do not have a background inelectronics repair, or are inexperienced, get a qualified technician to do itfor you.

REMEMBER there are very dangerous voltages inside a TVthat can KILL. Be sure to work SAFE when dealing with electricity. DISCONNECTTHE POWER BEFORE YOU DO ANYTHING.

If you want to go in for a long term solution, youcan easily replace the whole power board. You can get spare from HERE.
They also offer FREE online technical advice as you do the DIY..



Hope that helps!

Posted on Oct 06, 2008

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  • Master
  • 19,396 Answers

You need to replace power supply, when you get error 12 it is always the power supply, see a similar case here.

You can get replacement here:
Welcome to Mitsubishi Parts
If you need the service manual buy it here.


If you need to call a technician use number listed on the owner manual.

If the part is not listed in the website above, give them a call they have all mitsubishi replacements.

Posted on Oct 06, 2008

  • Ginko
    Ginko Oct 07, 2008

    It is not like that , you cannot just go, pull out capacitor, or replace a $500 main board or go pulling out capacitors like that.
    The procedure suggested is not safe.

    Servicing and troubleshooting TV is dangerous and a far more complex procedure than the one described here.

    You do not work on a TV board if you do not have a solid experience
    in soldering and electronic testing.

    You also need to unplug power one hour before servicing the TV.

    If you do not have done this many time before, you will better call a technician.
    If you really decide to put your hands on the TV, unplug power one hour before servicing it.
    Sorry but that is the truth guys, safety first.


  • Ginko
    Ginko Oct 07, 2008

    Regarding error 12, check your service manual, that is power supply problem.
    If you really know what you are doing, replace the power supply, at your risk, that is not a very complicate operation, as power board is connected with connectors to the main board (see schematics on service manual).
    If you have not worked on a TV before call a repairman.



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  • Master
  • 1,952 Answers

Hold the MENU and DEVICE buttons when turning on the TV and get error code
12 = No error detected, check power supply.
**Possible cause: **You may have a bad DM Module!** It is highly likely the root cause of the failed DM Module are the blue, electrolytic PTH Capacitors on the board..

Posted on Oct 03, 2008

  • mohammed marika thambi
    mohammed marika thambi Oct 03, 2008

    use this link

    http://www.hdtvoice.com/voice/showthread...

    For example, 3 flashes, then 7 flashes = 37.



    Here are the error codes, and the corresponding problem:



    12 = No error detected, check power supply.

    32 = Lamp Cover is open.

    33 = Air filter cover is open.

    34 = Lamp abnormality

    36 = Light Engine (DMD or Lamp Fan stopped)

    37 = Exhaust or Lamp Ballast Fan stopped

    38 = Lamp Temperature High

    39 = DMD Temperature High

    41 = Short is detected

    44 = DVI cable between FMT and Engine disconnected



  • mohammed marika thambi
    mohammed marika thambi Oct 06, 2008


    error code 12 = , check power supply.


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  • Master
  • 10,594 Answers

How many times green light flash, please let me know. It is error code and shows problem area in your TV.


Posted on Oct 03, 2008

  • Shahid Electronics
    Shahid Electronics Oct 03, 2008

    Here is details of LED flashes in TV.
    Please count and post update here.

  • Shahid Electronics
    Shahid Electronics Oct 03, 2008

    Alright, I can wait till you at home to count flashes.

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  • Master
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Power protection kicking in to prevent further damage to the unit
have electronics knowledge ? this type of problem requires it.

Posted on Oct 03, 2008

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  • Master
  • 2,294 Answers

How old is your DLP?
It sounds like the lamp might be overheating or needs to be replace.
If the lamp overheats it could be due to a cooling fan not working properly or not at all.

Posted on Oct 03, 2008

  • Jaime Hernandez Oct 06, 2008

    I would suggest to measure the 3.3 volts from the power supply. If this voltage is lower then 2.7 volts, visually inspect the capacitors that are filtering the 3.3 volts line.

  • Jaime Hernandez Oct 07, 2008

    You should measure the voltages first to know if the failure could be originating in the power supply. If the voltages measure good then the next step should be to replace the capacitors in the DMD board.

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2 Suggested Answers

ctf1800
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SOURCE: Mitsubishi WD-62628 power shuts off!

hold the MENU and DEVICE buttons when turning on the TV and get error code

Posted on Dec 18, 2007

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