Question about Mitsubishi WS-55513 55" Rear Projection HDTV

2 Answers

WS-55513 Mitsubishi 55" TV fix

Friend,

I noticed your post regarding the capacitor replacement on your 55" Mitsubishi, but for some reason the link in your post doesn't work. Would you be able to forward any information to me regarding what capacitors usually need replacement, and maybe where you were able to buy them?

Thanks a lot,

Russ

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  • Russ Nixon Apr 04, 2008

    Steve,

    Thank you so much for your response. I will order those capacitors tonight so they'll be in the mail to me soon.

    My skill level with a soldering iron I would also describe as 'average,' so I hope I'll be ok. Would you say that bad caps is consistent with the green light that just constantly flashes as soon as I plug the TV into power? It sounds like this is an extremely common problem, and a relatively easy fix for someone comfortable with soldering a little bit.

    Thank you so much,

    Russ

  • Russ Nixon Apr 04, 2008

    Okay, very good to know. I will definitely keep you posted on my progress. I can't wait to get started.

    Talk to you soon, and thank you again for your kind assistance! You have been most helpful.

    Russ

  • Russ Nixon Apr 10, 2008

    Steve,

    Thanks again for your guidance on this project. My parts arrived yesterday, and I began work. With your guidance, I was able to get the platform slid out, and I see the board that you are talking about. I actually just moved into a new house, and I can't find my skinny screwdriver that I'll need to unmount the DM board, but I'm darn close! I will definitely keep you posted.

    Something funny happened - as I was taking the TV apart, I discovered that someone else has tried this procedure in the TV's past. I found a step-by-step article from this website that details how to do this same procedure, rolled up inside the TV. I HOPE that this means someone started the procedure, and maybe decided they didn't want to screw with it. I got this TV for free from a friend of a friend, and I think he may have started this procedure before he may have decided to just buy a new TV instead.

    I will probably get that DM board out onto a table tonight... I wonder where my soldering iron is. Probably in a box somewhere. :)

    Thanks a lot,

    Russ

  • Russ Nixon Apr 12, 2008

    Tonight I was able to get the DM board out of the TV, and I believe I
    see the capacitors in question. However, I am a bit concerned - the
    capacitors are not swollen at all, and they actually look like they've
    already been replaced. The solder joints look a little bit different
    than all of the others...



    Nonetheless, I still plan to replace them and see what happens. I don't see very many articles around these forums that describe a scenario where replacing the capacitors DOES NOT fix the problem! It seems like they're always to blame. I have the parts, and I have the DM board removed, so I have to give it a shot.

    More to come... Thanks.

    Russ

  • Russ Nixon Apr 13, 2008

    Steve,

    Bad news, the capacitor replacement did not do anything at all. I was suspicious when I saw evidence that they had been replaced already. Bummer!

    I have read elsewhere around the internet that there is a way to put the TV into a diagnostic mode that is supposed to flash a diagnostic code to help point to the failure, but I haven't been able to get it into that mode. Any tips on that, or do you think it will tell me anything important?

    At this moment, I feel like I may be looking at purchasing a whole new DM board, unless there are any other easily-replaceable components on it that might have failed. Any other advice you can offer me?

    Thanks so much,

    Russ

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Www.chrisandnat.com/projects/blinkingtv/blink.htm ...
Also,check the three surface mount 4 amp fuses on the trace
side of the board................................T.

Posted on Apr 24, 2008

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Russ,

I just checked the link and the bookmark I had, and it seems the post has been removed. It was in the How-To section and included pictures and part numbers for the capacitors. I will try to find it and let you know if I have any luck.
Here is the part number for the capacitors and a link to the place I bought them. They were very easy to deal with and their shipping was FAST. You can buy in bulk to save a little money. I bought 10, even though you only need 4 for the repair, this way I have spares in case it happens again (or if I screw up soldering)
They are about $.39 each if you buy 10.
The part # is P13119-N
and here is the link
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=P13119-ND

Without the repair link I can try to explain as best I can what the repair involves.
You are looking for the DM board. It sits upright in a metal enclosure on the left side of your TV when you are looking at it from the back. You will have to take a few things off as well around it to get it out. Once you pull the board out you should see 4 capacitors grouped together at the upper right corner of the board (I think it was the upper right...it's been a while) you will likely see that the tops of these capacitors are bulged out (clear indication of blown caps) Simply replace those 4 with the part number I linked to and you are back in business. I would say the repair took me about 2 hours start to finish and my skill level is only average.
I hope this helps, I will still try to find that link as it was very useful and even had pictures.
Good luck, hope to hear back with good news.

Steve

Posted on Apr 03, 2008

  • 1 more comment 
  • p51steve Apr 04, 2008

    Russ,



    This is the exact model TV I have and the blinking green light was the exact same problem I was having, so I fully expect it to be the problem with your set. It is fairly common as you've probably seen searching this site. Once again, good luck.





    Steve

  • p51steve Apr 10, 2008

    Russ,



    Sounds like you have a good handle on it now....hope to hear good news soon.. :)



    Steve

  • p51steve Apr 12, 2008

    Thanks for the update Russ....now I want to hear good news next time. :)

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