Question about Mitsubishi WS-55859 55" Rear Projection Television

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Ws 55859 the same problem that everyone has ( the blinking light) we had strong wind last night and the power went out that is when the problem started. try to reset nothing just blink

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  • Bigums Oct 23, 2007

    I pull the DM board out last night and I dont see anything that looks like caps? is there  a newer board out there that dont have caps



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Call a repair man, 4 caps on DM bd are bad i have repaired this problem before

Posted on Oct 22, 2007

  • tvray Oct 23, 2007

    wow! your right thats not the common dm bd  but i looked at mitsubishi tech web site and they too say fast blinking non stop pwr light something wrong on dm bd. the bd right next to the tuner is the dm power supply are you sure none of those capacitors look like the top has a bulge, like the top is coming off ??



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1 Answer

Push power button and timer button lights for a few seconds and then tv turns off model is Ws 55859

When it shuts down go to the set and press the menu and the Device/Input button both in together and hold for 6 seconds then count the two digit blink code from the power indicator. it will blink a two digit code which repeats several times.

Jul 23, 2011 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Mitsu WS-55859---turned off & only powers up for 2 secs

2,2 is short protection.

98% chance the fuse or fuses (there are two 5 amp pico fuses) that protect the convergence circuit are blown. If you find F9AO4 OR F9AO5 on that board check them--if either is open the STK-393-110 DID IT.

Fairly short life for this chip if it was installed correctly and had heat sink compound applied to it--once in a while you get a bad one.

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

Nov 19, 2009 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Timer light just blinks had a power outage last night wont turn on

you need the V21 V19 dm repair kit which should take care of that issue for you. Its listed under repair kits at the following link
the kit contains the capacitors and instructions on how to do the repair.

Aug 03, 2009 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Mitsubishi HDTV 1080 WS-55859. Error Code 12

Did you push in the device and the menu buttons at the same time and get the error code...  I have the same problem and I get a 1,2 code....   I am looking for what the codes stand for...
Have you got any help on this....
mu email is

Sep 11, 2008 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Blinking green light will not power up

My WS-55859, Did the same thing. Power went out, when it came back on the green light in front of TV would blink, but TV would not power on. Did some googling and saw multiple posts for "blinking Green light" or "Blinking Green light of death". Most of the posts pointed to replacing capacitors on DM Power board. I followed the direction and it worked great. Note the TV shop guy who did the soldering for me said the capacitors "looked fine" and they were not the problem. I couldn't tell the difference between a good or bad capacitor, so I asked him to swap them anyway. He did, I plugged the board back in, buttoned up the back of the TV. After 60 seconds Green light stopped and I started watching TV again... Here is the link to the best instructions I found (

Aug 30, 2008 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Green blinking light will not go off

You probably have bad capacitors in the DM board assy. These are going to have to be replaced. There are also surface mounted fuses, two of these inside this board. If you do not know how to solder on printed circuit boards, and work with surface mounted components, play it safe and call out a pro to assist you in this repair. Good Luck.

Oct 21, 2007 | Mitsubishi WS-55859 55" Rear Projection...

1 Answer

Blinking green light

My tv did this, if you unplug it for a couple of days, plug it back in and push the reset, my light quit blinking, but it took about 1 to 2 hours

Oct 21, 2007 | 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...

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