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Vizio e701i-a3 Fixed completely unresponsive set

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    Vizio e701i-a3 Fixed completely unresponsive set

    My first post, hoping this experience will help someone.

    On Christmas morning my Vizio e701-a3 which I've owned for ~2 years died (thanks Santa). I bought a used set that was manufactured in Oct of 2015 if I recall correctly.

    Symptoms:
    - Random, infrequent shutdowns (few times a year) since ownership
    - No popping noise or warning whatsoever, it simply shuts off
    - Would normally turn back on after several tries
    - Completely unresponsive. No picture, sound, backlight or LED indicator

    Troubleshooting:
    - Suspected power board. Checked mains connection on board. PASS
    - Checked main fuse for continuity. PASS
    - Checked output terminals connecting to mainboard for voltage. PASS
    - Power board OK. Suspect mainboard.
    - Ordered mainboard from ebay for ~$100 CAD shipped and installed. FIXED!

    I was really hoping it would be something simple (and cheap) like a blown fuse or cap. But, as you can see, what appeared to be a power supply issue turned out to be a mainboard problem.
    My electronics knowledge is limited so I didn't troubleshoot the components on the mainboard. I decided if replacing it didn't work it was time for an upgrade. Guess I'll be holding off a while longer for 4K

    #2
    Re: Vizio e701i-a3 Fixed completely unresponsive set

    That was likely a BGA solder failure of the main processor. Not something easily repairable without good tools and a steady hand. Still, $100 for a replacement mainboard, not a bad price. Congrats.
    Originally posted by PeteS in CA
    Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
    A working TV? How boring!

    Comment


      #3
      Re: Vizio e701i-a3 Fixed completely unresponsive set

      Thanks! I haggled him down a few bucks using ebay's "make an offer" button

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