Question about Mitsubishi WD-62525 62" Rear Projection HDTV

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My mitsubishi wd-62531 the inputs stoped working also volume stoped at the same time have picture on antenna mode but no sound unless souround sound is on tried reset no resalts tried error code tells me everything is fine need help thanks

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  • joaquin pineda Jul 11, 2010

    I have had the tv for 5years only replaced lamp once this is the first problem I have had


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This model is plagued with bad capacitors across several boards inside. They cause a variety of issues, likely your input issues... but most mitsubishi's also have front panel button problems.

You can unhook the front panel by popping off the speaker grille, and taking out the 4 screws to gain access to the wire harness inside. If the buttons are locking it up, you can unhook them, then unplug power and wait, replug in ac power to reboot. You won't see the flashing led, so you have to wait 90 seconds, then it may work with the remote. The buttons lock up the computer inside, but with them out of the equation, then it will work ok with remote.

The thing that may really be the cause (if you haven't repaired yet) are the capacitors, they are bad in all of these TVs and will need to be repaired, usually after 5 years they will start to show signs. You can do a reset on it with the button or by unplug/replug ac power (first before you unhook control panel) to see if there is a booting up issue. The green led will just flash forever when some of them are bad.. anyways, here is my tutorial on the bad caps.

Let me know if I can be of further assistance. We can fix this for sure, but these have a few problems and I don't want to steer you in the wrong direction. Let me know what you find.

Posted on Jul 11, 2010

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  • joaquin pineda Jul 11, 2010

    Ok the code I been getting 1blink than 2blinks no error so I tried popping off the speaker grill there seems to bee at least 12 screws holding the plastic behind the speaker grill I can see the 4 screws holding the buttons in place but not enough room to acsess with screw driver the plastic seems to be the whole outside frame for the screen

  • thielectronick
    thielectronick Jul 11, 2010

    Ok.. the buttons may be causing you issues, but I would definitely suspect the bad capacitors (caps). You can solder them in yourself with several hours of time and maybe $25 in parts, but its a difficult disassembly and if you don't have a decent soldering iron, you will need to spend more on tools and what not. I have repaired thousands of TVs and I don't really like to fix them, but can do it if needed. The other option, get a repair center to ship in your "chassis" (all the board with bad caps) to mitsubishi and get it done for you, just the chassis rebuild is like $200-250 and then you got labor of another 200 probably. This is the method used by most repair centers, but you might be able to find one that will rebuild it for you for a lesser cost. If mits rebuilds it, it takes 2-3 weeks to get your chassis back.

    If you want to dive in with your soldering iron, let me know, I can help you do it. If you don't have soldering experience, i suggest getting the pros to fix it up, or sell it, etc. If you want to learn soldering and then dive in, I recommend buying some little soldering kits to practice on and watching some videos on soldering to see how its done.

    You can try unplugging the buttons on the front, if they're locking up your computer inside, then it could get you back and running, but you will need to do this caps fix sometime very soon. They all have had this issue and I regret to inform you of this problem, it is what it is. Let me know how/where I can assist. Thanks

  • thielectronick
    thielectronick Jul 11, 2010

    ok, there should be a little panel under the front control panel with 4 screws, atleast almost all of these had it, maybe the 531 is a little different than the 525 series. Basically, you need to get to the wires going to that button panel, I don't think you'd have to pull the whole screen off, but maybe thats how its done on this model. Typically if this is the only method, you would need to pull off all the screws across the bottom of the screen, then pull all the ones around the sides and top from the back. On almost all mits tvs, the screen is then held on by some clips and you take out all screws and then lift straigh up on the frame to get it off.. i usually keep one screw in the top and kind of pull on the frame to see if its almost totally free or attached still, if still attached, then yeah has to be lifted up. if its free, you may be able to pull it out a bit and get to those wires. best of luck, let me know

  • joaquin pineda Jul 11, 2010

    ok Im not to bad with the soldering iron so I think I will try to replace the caps now is ther certain ones that need to replaced since it was the volume and inputs that went out or all of them I have a service manual on this unit so it shouldint be that hard also is ther any specific type of cap that I need and can I get these at the local radio shack. But before that Im going to try the wiring harness first Ill let you know what the out come is thanks again.

  • thielectronick
    thielectronick Jul 11, 2010

    Ok most of the bad caps are 1000uf @ 16v
    those need to be replaced with 680uf @ 16volt (make sure to get 105degree celcius ones)

    all the bad caps will be bulged like this:

    There are 4 on the power board, 4 on the dm board, and 4 on the fmt board

    There are also 2 larger caps on the power supply, i think theyre 3300uf @ 10v but not sure...
    all the other caps you find bulged, replace those too, but use the same value that is listed on the side, you only need to modify the values of the 1000u ones

    this tv is built like a tank and there will be like 100 screws out before you even get to the board, but you will want to get in there and see what you need before you start ordering.

    here is a step by step to get into the chassis - there could be like 1000 steps, but heres a few

    I guess I should read the whole post before replying next time. To
    remove the chassis:

    1. Pull both backs off

    2. pull all the screws out of the support bracket on the left side
    (looking at the back) of the set

    3. remove that bracket.

    4. pull one screw from the top of the chassis over towards the center of
    the set

    5. lift up to remove on the plastic plate that the power cord runs

    6. pull out on the left of the chassis to swing it out from the set

    7. now what was the left side is facing toward you. you are looking at a
    metal shrouded cage. the metal shroud closest to you is covering the
    power supply. remove eight screws (i think. I'm working off of memory
    here) from the perimeter of the shroud.

    8. pull the shroud off. you are now looking at the power supply


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Press "guide" and "format" at the same time this should get you to resetting the AV input.

Posted on Jul 10, 2010

  • joaquin pineda Jul 10, 2010

    thanks alrady tried that also tried unplugging it didint work it seems that the auto sensing isnt picking up the components I have had the tv for 5years and only replaced the lamp once no problems until now

  • joaquin pineda Jul 11, 2010

    I also wanted to add since the voulme went out the same time as the inputs would there be something that controls both that I can check myself


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