Question about Mitsubishi WD-62725 62" Rear Projection HDTV-Ready Television

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I have a WD62725 with blinking green light - Mitsubishi WD-62725 62" Rear Projection HDTV-Ready Television

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  • stanleyconce Jul 20, 2009

    Do you have a part #

  • stanleyconce Jul 20, 2009

    need more help

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This is a a very frequent problem that occurs in Mitsubishi rear-projection widescreen HDTV's, referred to as "The Blinking Green light of Death". This refers to the green LED on the front panel of the TV that normally blinks when turned on after a power failure or when unplugged: the green light is supposed to flash for about 1 minute while both microprocessors boot up: If it won't stop blinking it means that they aren't communicating w/each other.

To fix this problem, you basically have replace the four (apparently inadequate) 1000uF/16 volt power supply capacitors in the "DM module" (one of the two onboard microprocessors). These capacitors are apparently undersized, in that they will eventually fail (usually after about 3 years) if and inevitably when there are voltage fluctuations in the circuit above 16 volts. (If you Google: "Mitsubishi + Blinking Green Light of Death", it's amazing how many other Mitsubishi rear-projection TV owners have experienced this problem.) It is recommended to install either 1000uF/25 volt or 1000uF/35 volt capacitors as replacements, so that they will be more than ample to handle any voltage spikes that will occur. If you have no expertise in electronic work, then find someone that does, hopefully a friend and this will be a cheap fix for you (under $10 for the parts). Make sure everything taken off is put back on, many times people forget to reinstall the back cover plate for the DM module, which has critical grounding straps essential to the proper functioning of the DM module. After all of this, the tv should work. Let me know how it turns out.


Benjamin

Posted on Jul 20, 2009

  • Benjamin Patri
    Benjamin Patri Jul 20, 2009

    I don't have a part number on hand. Just go into Radio Shack, tell them 1000uF/25 volt or 1000uF/35 volt capacitors and they will know exactly what you are looking for.

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Good Day,
More than likey you have bad caps on DM Board.
It willcost about $450 to repair or you can do it yourself,.

On the DM PCB (part # 934C116002) check C81A2, C81A3, C81B3 and C81B4 (1000 UFD, 16V, 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V,
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Good Luck, BIG IRISH,.

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Check C81A2, C81A3, C81B3 and C81B4 (1000 uFD, 16V, 105C) on the DM PCB.
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