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My Mitsubishi WS55819 picture fades to nearly white intermittently. I had a home service call and was told the problem was fairly common and could be verified by checking the service menu code 157, but my original remote doesn't work and he didn't have one with him. The estimate was around $700 to fix but that was over two weeks ago and has not returned my phone calls. Do I try again to have it fixed or buy a new DLP? Is the problem a DIY fix?

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  • hmenendez Feb 03, 2010

    The service tech that came out mentioned leaky capacitors (or at least that is what I thought I heard him say), since my problem has been intermittent with the picture returning to full color from being washed - we can still watch it but it is basically faded evenly with all colors being washed out. If it was a leak the way you describe would it make sense that it fades in and out the way it does. Secondly, wouldn't I be able to see evidence of the leak if I opened the back of the set and looked around?

  • hmenendez Feb 04, 2010

    Taran,



    Thanks so much for your quick feedback last night.



    I saw at least two other unanswered posts with similar symptoms as mine. If it is a leaking capacitor problem is this something that I can fix myself (I purchased the service manual but have yet to receive it) or should I scrap the TV and get something new. The service guy that came out spoke very highly of the Mitsubishi rear projection TV's and I have seen SDTechs posts that sound similar, i.e., that the TV is a good model...



    Obviously you don't know me or whether I know the difference between a capacitor or a resistor but my thought is the TV is intermittent now so how if I completely ruin it trying to repair it I haven't really lost anything...



    Does Mitsubishi sell repair kits or do I identify the bad components, desolder them and head down to my local electronics store?



    Thanks for your time.

  • hmenendez Feb 05, 2010

    Hi Taran,

    Thanks for your continued help. Based on my description of the problem is there any electronic diagnostic using the set remove that I can check that might tell me where the problem exists.



    If I do open the back up to look at the PCB locations is there any particular board that I should be looking at that would affect the picture the way that I am describing?



    Thanks for you continued help -



  • hmenendez Feb 05, 2010

    Hi Taran,


    So I took the back panel off of the TV and with the amount of dust / lint that is in there you can't even see the tops of most of the capacitors. We have had the set for 8 years now and the back has never been off of it...



    Recommendations on cleaning?



    Once it is clean I guess we can continue the conversations....

  • hmenendez Feb 06, 2010

    Mitsubishi WS55819 Picture problems
    Attn:SDTech

    Recently the picture on our WS55819 started to wash out. The TV is approximately 8-9 years old. The picture will fade in and out intermittently. I am able to adjust the picture to "watchable" using the brightness control (all the way down) and the contrast control along with the color control (increasing them both to near middle / upper end). When the picture does fade out it comes with some amount of convergence problem in that there are red highlights on the edges of things on the tv and the menu control screens look slightly misaligned but not to the extent of the examples given for convergence failures.

    I had a repairman out and he told me he knew what the problem was and that it would be around 700 - 800 to fix it which I was ok with but that was three weeks ago so I am looking at other options. My remote was not working the day that he came but I found your post on how to repair it and sure enough it is working fine. Wondering what your thoughts are - should I repair or get new and from the symptoms that I have described is it something that I can fix or better to leave it to a professional.

    Thanks in advance-

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I think it goes without saying I wouldn't call the people who came the first time again!! Could you describe the problem a little better and in more detail. I've worked on tvs all my life and never heard of one going to white, at least not without retrace. Since the serviceman did not elaborate on what code 157 means I can only speculate that it is similar to the blinking lights on Sonys and others which help to localize the problem. Wouldn't you think the tech would have a remote if he new what he was doing? As far as the estimate of $700 I cannot believe anything in the tv would cost that much. I fix tvs everyday and we rarely exceed $200 per unit and that is going to customers home to repair it. You said your unit is a DLP. If the problem is as you have stated I would think that replacing the light engine would fix it and they are only about $350 and you could probably do it yourself. Give me the info I asked for and I'll see if I can help you fix your unit.

hardrocko

Posted on Feb 07, 2010

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Hi,

There are several things that could cause this, you could be having a voltage problem fluctuating, a bad signal board, doubler board, tube, or a fluid leak can all cause this problem. To be honest with you I am betting on a fluid leak, what this is, is there are three tubes in the set and the manufacture puts a liquid coolant in them to keep them from over heating, well on your model it is been known to spring a leak and drip coolant onto the circuit board, if this is the case the tv is done for, there is no repairing it because it will cost $700. if you have a bad signal board and it is repairable you could be looking at $500 range. Anything else on this tv normally runs $400-$600 to repair, I hope this answers your question, please let me know if there is anything further I can do for you.

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Feb 03, 2010

  • 2 more comments 
  • taran_2005
    taran_2005 Feb 03, 2010

    Thanks for your response!!

    Once you open the TV, more often you would be able to Locate that. Either Caps would be Swollen/ Leaked or Bulged with Ammonia Kind of odor or you would see thick Viscous Liquid on or around the Board.

    Let me know, if needed further assistance.

    Hope i helped you.

    Thanks
    for using ' Fixya ' and have a nice day!!

  • taran_2005
    taran_2005 Feb 04, 2010

    Thanks for your response!!

    First, you need to be Careful as these Sets even Unplugged, would still have enough Voltage to KILL anyone.

    There is no Point in Repair if the unit is more than 4-5 years old as the Cost involved is not appreciated. Yes, you would be able to Fix this. Once you Open the TV, you would be able to Catch more Details whether it is a Fluid Leak or Bad Caps.

    Regarding Bad Caps, you could Purchase them from Radio Shack or Online and is easily Visible. Other than this, you need to Inspect, Test and then only Order Components each Component would cost you many dollars.As such, till the point you are not sure, what is the exact reason, there is no KIT you could order.

    Let me know, if needed further assistance.

    Hope i helped you.

    Thanks
    for using ' Fixya ' and have a nice day!!


  • taran_2005
    taran_2005 Feb 05, 2010

    Thanks for your response!!

    Usually regarding Caps and Fluid Leak, you could easily locate that. You need a Voltmeter to Check the Voltage across Various Points on the Board. This is tricky and time consuming but i guess, you would be able to Locate the Caps or Fluid Easily. Then, if you wish, you could get that Board Rebuilt.If you wish you could Open the TV and let me know, what you could see so that we could proceed further.

    Let me know, if needed further assistance.

    Hope i helped you.

    Thanks
    for using ' Fixya ' and have a nice day!!


  • taran_2005
    taran_2005 Feb 05, 2010

    Thanks for your response!!

    Unplug the TV, gain access to the electronics board, use caution when entering the back side of the tv, capacitors will hold a charge and if not careful can shock you. Have a flashlight so you can see well into the chassis. If the unit is very dusty, then carefully with a vacuum cleaner vacuum out the dust bunnies from your circuitry but here's a key point, try not to touch the components directly. Personally I like to use the long upholstery attachment for two reasons. You have a longer reach and the airflow increases through the reduced hole in the attachment. Another method I recommend is to run up to Radio Shack or some vendor like that and buy a can of compressed air to blow out the dust after you have vacuumed the larger amounts off the circuit boards.

    http://roobaroo.net/2006/06/25/how-to-cl...

    Let me know, if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice
    day!!



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