Question about Mitsubishi WS-55859 55" Rear Projection Television

2 Answers

Mitz ws-55859 tv

I have my tv at a repair shop there wanting to charge 9hundred some odd dollars to replace the dm board. Do you know of any where to pick one up at?

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  • YmYBHi
    YmYBHi Jul 01, 2008

    The led was steadly blinking green. They repaced four capacitors and said that it did not resolve the issue and that the dm board needed to be replaced. They said that Manuf. did not have and they had a place accross the U.S that refurbished/repaired them. With that kit does it have more than the capacitors?

  • YmYBHi
    YmYBHi Jul 03, 2008

    Can you please give me the link for the DM board repair kit?

  • YmYBHi
    YmYBHi Sep 04, 2008

    Ok. So I finally got the DM board repair kit. There was a few problems on receiving it but I did get them and put them in play.

    The Tv is doing the same thing as it did before hand with the old capacitors. The light is blinking repeatedly. Tried the reset button again and still the same. Any other suggestions?

  • JOPE9 Oct 25, 2008

    all of a sudden, i have green lines at the top of the tv -- swoop down in a soft u formation from left to right.  help



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Was the symptom a steady blinking green led/ If so you most likely need just the DM repair kit thats 35.00 and comes with the instructions on CD and the replacement capacitors that repairs the DM module. I can post a link for the repair kit if you would like?

Posted on Jun 30, 2008

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  • Sonny Berry
    Sonny Berry Jul 01, 2008

    No the kit only contains the capacitors as most issues with the DM causing the steady blinking LED is related to those capacitors. You mentioned that they replaced the four capacitor. Did they replace the two SMD fuses that are adjacent to the capacitors which are F9B00 and F9B02 ? They are 4amp 125Volt . Ask if they have checked them.

  • Sonny Berry
    Sonny Berry Jul 03, 2008

    Heres the link to the DM repair Kit its the V21 DM repair kit. You have a V19 chassis which is the same as the V23. Also I did some researching. they should have replaced 7 capacitors on the DM Power Board to effect the repair. as the WS55859 has the 7 capacitors that need replacement when the led blinks steady the V23 has the DM with four which that doesnt apply to your model number. But go to this site they know mitsubishis inside and out. they will let you know if you leave them a email with your model number and whats happening, and they alos rebuild PC boards as well.

  • Sonny Berry
    Sonny Berry Sep 04, 2008

    Check the fuses if the fuses are okay you may need a new DM


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Here's a guy who fixed it himself, with no prior soldering experience, and completely documented the process.
check it out here:
The only thing I would add is upgrade the Capacitors to:
1000 micro Farads @25Volt, 105 deg.Celcius
This is recommended by several online help experts.

Posted on Jul 26, 2008


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1 Answer

The green timer light is blinking with no interruption on my WS-55859. TV will not power on after the reset button is reset or is disconnected from power.

Thats almost always caused by failed DM capacitors on the DM power board. There are 7 that will need replacement. There is a repair kit called the WS55859 DM repair kit which has the caps and the CD with repair instructions available from

Jul 07, 2011 | Mitsubishi Televison & Video

1 Answer

Green light flashing on timer. tv wont power up..just bought this house. wtv was left behind. i was told it works but i cant turn it on

Thats a common problem if the sets left unplugged or without power the DM caps drain and then wont charge when the power is restored. Its a easy fix usually just replace the DM caps. You can get the Mitsunbishi repair kit called the WS55859 DM repair kit from which has the upgraded replacement caps and the CD with repair instructions.

Jun 14, 2011 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Timer light continous blinking,tv won't turn on!!!

Thats a common problem thats almost always caused by failed capacitors on the DM powerr board. You can get the WS55859 DM repair kit from the kit contains the upgraded capacitors and the CD with repair instructions.

May 30, 2011 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

I need the companys name that I can call about the DM board repair for a Mitsubishi Model # WS-55859

See PTSELECTRONICS.COM. Or see or Union, They have a refurbished boards. These are very good leads!

May 11, 2010 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Mitsubishi model ws-55859 tv is red and red

If it is WS-55859 and you go into the customer menu and find red or blue are skewed and will not adjust---you have a convergence problem.

This model uses a single STK-393-110 convergence chip--it and any of the protect resistors around it that are bad will need to be replaced and the set adjusted.

The chip can be purchased on Ebay for about 12 dollars plus shipping--total parts cost should be under 30 dollars!


They tell you everything you will need and how to do the repair---If you or someone you know can do it I can post or get the instructions to you.

If you cannot do it shop around your area--most shops are going to get 300 or MORE for this kind of repair and many will not do in in your home--Any good tech can do it in your home in about 1 hour--I know as I have done hundreds of them.

If you have questions or need help let me know--I am here to help people.

If this information has helped you, rate this solution as I do this here for FREE.


Nov 11, 2009 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

The WS 55859 Is blinking Timer and will not start up.

You have a problem with blown capacitors in your DM module. Repair shops will cost $300-$600 to make the repair (at least that is the going rate in Dallas) or you can do it yourself for <$15 in parts plus whatever tools you don't have already. I repaired mine about 2 months ago and I am not handy at all. Here is a video that is step by step that can take you through it.

Video Instructions for repairing TV

Goog luck!

Oct 02, 2009 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Timer light flashes tv won`t turn on. mitsubishi model #55859

You have a bad DM board - the capacitors are bad and need to be replaced. I was able to replace them myself. There are no replacement parts available and many repairmen will charge hundreds of dollars and there is no guarantee they will fix it.

Jul 06, 2009 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Tv does not turn on the green light blinks

bad DM board or capacitors. let me know if you want to attempt yourself, otherwise $200-400 repair..

Feb 02, 2009 | Mitsubishi WS-55859 55" Rear Projection...

3 Answers

Mitsubishi WS-55859

Check any/all fuse devices in power supply.Let me know.....T.
By the way,the tv serial # is 107543. I assume the model # is
as stated==WS-55859.

Oct 21, 2007 | Mitsubishi WS-55859 55" 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: Good Luck

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

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