repprogram tv firmware

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  • ozzy214
    Badcaps Veteran
    • Nov 2013
    • 319
    • usa

    #1

    repprogram tv firmware

    Question seen a older post about hot to reprogram tv firmware using a usb burner and a special clip. I messaged the guy with no response.

    http://www.ebay.com/itm/181459505516...%3AMEBIDX%3AIT

    I bought that and should be here in 2 weeks. Now I need to know which burner I can use with it.

    My ultimate goal is I usually buy broken tvs to sell parts on ebay. What I want to do is capture all good firmware from Vizio. And then I will release it on the net for those who need it.

    I also want to use the firmware to try and fix a couple boards. From my understanding of the post, a lot of the Vizio firmware is the same through out the model tvs. So instead of buying a replacement chip, just burn new firmware on fixing any corruption. And then I should be good.

    I would appreciate letting me know which burner you guys are using.

    http://www.ebay.com/itm/USB-Programm...wAAOSw3ydVkT51

    I see that one, but not sure if it would work or not. This is a new realm for me. Most I ever did is hot flash bios chips back in the day. But actually this would come in handy since a friend of mine bricked his board in a bios update. And this clip would work with that chip!
  • tw2005
    Badcaps Legend
    • Oct 2011
    • 6458
    • Australia

    #2
    Re: repprogram tv firmware

    That should work. You just need to identify the type of chip and set it up accordingly as the pin outs are different between type 24 & 25.

    The clip maybe turn out to be a bit crappy, that's what I found with mine. You can get a 3M or Pomona SOIC8 clip but the prices were not cheap.

    I purchased something similar and the cabling broke, then the pins did not make good contact but managed to get it a few times. Alternative is to desolder and solder the IC to a test board.

    I had some fun with it. I got it so I could convert Panasonic A boards more easily to a different model.

    I also restored a 1 blink no starting Panasonic to working as it was corrupted firmware. I enjoyed that and also doing a comparison dump to known good firmware to find a single character changed.

    https://www.badcaps.net/forum/attach...8&d=1454727751



    http://www.ebay.com/itm/Pomona-5250-...YAAOxyvuVSHUOT


    http://www.ebay.com/itm/3M-SOIC-8-pi...AAAOxyFrNRuQme
    Last edited by tw2005; 08-05-2016, 02:46 PM.

    Comment

    • ozzy214
      Badcaps Veteran
      • Nov 2013
      • 319
      • usa

      #3
      Re: repprogram tv firmware

      Ok but what burner did you hook it to? Thats my question

      Comment

      • tw2005
        Badcaps Legend
        • Oct 2011
        • 6458
        • Australia

        #4
        Re: repprogram tv firmware

        Originally posted by ozzy214
        Ok but what burner did you hook it to? Thats my question
        Did you not post a second link to a CH341A eeprom programmer?

        Mine was a green one. That's all I needed, plugged it into the laptop, loaded the drivers and software and that was it , read, write, erase, etc.

        Comment

        • tw2005
          Badcaps Legend
          • Oct 2011
          • 6458
          • Australia

          #5
          Re: repprogram tv firmware

          This looks similar, all same really at this price

          http://www.ebay.com/itm/10Pcs-CH341A...cAAOSwubRXGdN6

          Comment

          • ozzy214
            Badcaps Veteran
            • Nov 2013
            • 319
            • usa

            #6
            Re: repprogram tv firmware

            Ok ya thats what i ordered, Good to know it will work. Can you tell me how to assembkle it?

            Comment

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