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Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

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    Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

    Hey all!

    I was given this TV. I was warned of its problem. When I brought it in, I plugged it in, and turned it on. The logo went white, Saw the V logo, and then everything functioned normally. I went through the menus, and inputs, etc. All looked fine. So, I did a Factory Reset on it so I could start from scratch.

    Ever since the Factory Reset, the thing will not get past the V logo on power up.


    Now, I have done my due diligence, and it seems that the general consensus is to replace the EEPROM. I'm not quite comfortable with my ability to solder small objects, but I'll give it a try as long as I have a backup plan.

    With the TV, my friend gave me a Mainboard that he bought on eBay, but he didn't read the print, and it is listed as "As-Is, NOT WORKING". I installed it anyway, just to see what the extent of its problem was.

    Good news!! It works..... sorta. It doesn't have the same symptoms as the original Mainboard, and I can live with the symptoms it does show. But, I'd still like to get your input:

    The image is there, and the colors are good. But, there are horizontal lines tat gradient from left to right.

    The very left-most of the screen is perfect. As you look to the right, you start seeing horizontal lines begin to appear, and if you look at the right-most edge the lines are clear. (Seen in pictures.)

    Now, I can live with this, but I'm curious. Is this fixable?

    Thanks!

    DAN
    Attached Files

    #2
    Re: Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

    Did you try to reset the set with the original main board using the remote to see if you could get past the logo.
    http://www.wikihow.com/Reset-a-Vizio-Remote
    Willing to help but I'm no expert.

    Comment


      #3
      Re: Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

      Looks like the main board your friend bought from ebay were starting to go bad also , On your original board you do have a corrupt eeprom , the cheapest way to start is to replace the eeprom on your original board and see , 2nd option is the tcon board , I am not an expert but have done some eeprom work before and came out successfully every time , great forum i have learn so much here.

      Comment


        #4
        Re: Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

        Originally posted by dick_barton View Post
        Did you try to reset the set with the original main board using the remote to see if you could get past the logo.
        http://www.wikihow.com/Reset-a-Vizio-Remote
        I did try to reset it using various methods found on BadCaps... But to no avail.

        I've tried unplugging the set, and holding the power button for 60 sec, and them plugging back in. Same symptoms. :-/

        I've tried the remote thing you sent above, still no solution.

        Comment


          #5
          Re: Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

          Okay! It's fixed!

          It turns out that I hadn't seated one of the ribbon cables into the second Mainboard properly, causing the horizontal lines in the display.

          So, the Mainboard that had been labeled as "NOT WORKING" is actually working fine, and I just went too fast to install it.

          Thanks all!

          Comment


            #6
            Re: Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

            Well that's a stroke of luck. Well done.
            Willing to help but I'm no expert.

            Comment


              #7
              Re: Vizio E422VL Stuck on Logo OR Horizontal lines Gradient

              May have been listed as "not working" because of the same failing eeprom. Keep an eye on it.

              Comment

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