Question about Mitsubishi WS-55859 55" Rear Projection Television

7 Answers

Powers up but nothing on screen replace caps in Dm module, work fine for a couple days the volume control was looking faint, when to change device screen and screen when black

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  • Katy Kwan
    Katy Kwan Sep 15, 2008

    At first the green light was blinking , I push the reset button and it didn't work , so I unplug it let it set and replug the blinking went away and I was able to power it up still no picture. I will tried disconnecting all the cables.

  • Katy Kwan
    Katy Kwan Sep 15, 2008

    how do I check the tubes and what is the resistence?

  • Katy Kwan
    Katy Kwan Sep 15, 2008

    if it was the tubes would I be getting sound? At first I got static and then it just went black

  • Katy Kwan
    Katy Kwan Sep 15, 2008

    how do I check the tubes

  • Katy Kwan
    Katy Kwan Sep 15, 2008

    how do I check the power relay?

  • Katy Kwan
    Katy Kwan Sep 16, 2008

    how do I check the power relay?

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Please allow me to preface this statement by telling you that I am not a television expert. However, I do have a couple of pieces of "advice" - questions as well. Do you have a central source of the signal, such as a cable box, satellite receiver, or a DVD player, e.g., through which the primary input is coming in? If so, have you attempted to use the TV without the auxiliary equipment, as that could well be the source? Also, when you indicated at the beginning of your problem, (and this may help some of the other experts) that you "went(?) to change the device screen" and it went black, what exactly do you mean by changing the device screen? Again, if this relates to auxiliary equipment, that could well be the source of the primary issue. Thank you - and if I can not help you to solve this issue, I will refer the problem to one of our most experienced TV experts...

If this information assists you in resolving the problem, please take a moment to rate the solution at a "FixYa" level. If you do not feel that you can rate at a "FixYa", please post back with more information regarding what has occurred subsequently and/or more details regarding the situation, and I will gladly help you until we have reached a definitive solution. Thank you for using and rating FixYa!

Posted on Sep 18, 2008

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Test the power cord ........................
the connections are ok or not may be some cut or something like that

Posted on Sep 16, 2008

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There is no tubes in a projection tv there are 3 liquid bulbs and the power relay is in side to the bulbs near the power box i no this cause i just took mine apart yesterday

Posted on Sep 15, 2008

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It could be in yoour power relay

Posted on Sep 15, 2008

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I have a Mitsubishi ws-55859 It wont power up. Power light comes on for about 3 seconds, then goes off.
Could you help?

Posted on Sep 15, 2008

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May need the picture tube bulbs replaced

Posted on Sep 15, 2008

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Is there any light blinking on the tv , You can also try a hard reset: Unplug TV from AC mains and remove all cables from TV. Wait about 30 minutes and replug to AC power and redo the cabling. Switch on the TV and see if it works..If you would like to attempt a DIY, you will need a service manual to guide you. You can find one here:http://servicemanuals.vstore.ca/


Good luck...

Posted on Sep 15, 2008

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2 Answers

We lost power the other night. Now I have a continuous green blinking light and it won't turn on. I have tried everything the manual says.


Try Going To The Mitsubishi Web Site. Downloading The Mitsubishi Service Manuals If You Don't Already Have It. It Will recommend The parts You Need To ordering. Circuit board photos are also shown which provide a visual reference during the repair process.

If you decide to have a service technician do the repair, insist that the "DM" module is removed from the TV and ONLY the four 1000uF, 16V Capacitors (Caps) located on the DM Module are replaced. MOST techincians will INSIST on replacing the entire DM Module and not simply the capacitors. The cost is about $200 for a technician to replace the capacitors and $1000 for replacement of the DM Module. As you will read below, doing the repair yourself will cost less than $4.00 for the 4 Caps.

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1 Answer

My 32TV has green light but won't turn on, or takes an hour


You may have failing power supply module, that will be the first place to look, look for caps with leaking/bulging top.
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net

Parts: WWW.SHOPJIMMY.COM

Jun 12, 2010 | Televison & Video

1 Answer

I have a Mitsubishi WS-65909 w/a steady blinking timer light. Steps I have tried to correct include: System reset for 10 seconds (after I left unplugged and disconnected from ALL attached components for 24...


Only one of two reasons for your problem--either the DM is bad OR:

These sets sometimes develop a problem with the front keyboard---micro switches in back of the plastic buttons can fail (reset one is common).

Remove front speaker grill and inspection plate behind it and follow the group of wires coming down from the front keyboard to the right top edge of the opening.

About 8 inches to the right you will find two plugs that are inline--they go to the keyboard--disconnect both and turn set on with REMOTE (remote receiver is behind the screen).

If the set now functions you have a bad micro switch on the keyboard (most likely the reset) and two choices---either leave the keyboard unplugged and just use the remote or remove entire screen and get at the circuit board and locate and replace defective micro switch.

Lots of people miss this as a possible choice--easy to do to either know it is the keyboard or not.

If set does not operate this way DM is bad regardless of how caps look.

SD TECH0d60ab8.jpg

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1 Answer

Buttons not working right on tv


Yeah you were mislead. Those switches are known trouble makers. You can just leave the switches disconnected and the set will operate just fine with the remote with no problems. If you want to fix the control panel, just replace all the switches on it. They are cheap. The Mitsubishi part number for the switches is 432P089010

May 06, 2009 | Mitsubishi WS-65511 65" Rear Projection...

1 Answer

Green light flashing


the DM is the board that has the cable card slot on it. to get to it you have to take out the chassis (you can find instructions at www.tv-techs.com) take off the shields (be carefull they are sharp) take off the terminal board, and the FMT board, and there it is.
while you have it apart chech the caps on the power board and the FMT board for pregnant caps. sadly, replacing the 1000uf caps only corrects about 1 in 10 sets.

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1 Answer

Flashing power light tv wont come on mitsubishi 1080


If the tv has the continuous flashing led, you have a DM board problem. It is likely bad capacitors in the DM module.. there are 4 of them 1000uf caps that will go bad. They will get a bulging top on them when they go bad. . Mits recommends replacing them with 680uf caps with a comprable or higher voltage rating. The DM module in on the left side of the set (viewed from the back) and is somewhat difficult to remove.

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5 Answers

MITSUBISHI 65 INCH HDTV, GREEN LIGHT BLINKING, WILL NOT POWER UP


There are four (4) caps on the 'DM' board that need to replaced. Parts: 680ufd 16 volts, orig are rated at 1,000 ufd.

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3 Answers

Mitsubishi ws-55513 green flashing light issue


I would asssume that the four cap replacement you're referring too is in the power supply of the DM module. (The large silver looking box on the left looking at the back of the TV)..
You can unplug that module from the signal board and remove it. Open the cover and you should find 4 16v caps in the power supply. If they look buldged chances are they are the failure. If not you might want to take an ESR meter to them to confirm they're okay and move on... In the back of that module is a small vertical board called the E2P module. Unplug it from the DM and plug the DM back into the signal board. If it powers up your picture might not be in the best alignment but you've identified the problem - just replace the E2P module.
If none of this works you're going to start getting into some greater technical requirements - but let's cover that when you get that far...
Bill

Dec 28, 2007 | Mitsubishi WS-55513 55" Rear Projection...

1 Answer

Green light just blinks


Four bad 1000mf/25v caps in DM module = Common repair
for qualified Mits tech..................................T.

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2 Answers

Flashing power light


you need 4 caps in you dm module they are 1000 mf @35volts

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