Toshiba 32AV500U No Picture, but responds to remote

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  • TechGeek
    Computer Geek
    • Jan 2015
    • 2254
    • USA

    #21
    Re: Toshiba 32AV500U No Picture, but responds to remote

    The IC looks good. No burn marks or anything. Just that 1 MOSFET.
    Don't buy those $10 PSU "specials". They fail, and they have taken whole computers with them.

    My computer doubles as a space heater.

    Permanently Retired Systems:
    RIP Advantech UNO-3072LA (2008-2021) - Decommissioned and taken out of service permanently due to lack of software support for it. Not very likely to ever be recommissioned again.
    Asus Q550LF (Old main laptop, 2014-2022) - Decommissioned and stripped due to a myriad of problems, the main battery bloating being the final nail in the coffin.


    Kooky and Kool Systems
    - 1996 Power Macintosh 7200/120 + PC Compatibility Card - Under Restoration
    - 1993 Gateway 2000 80486DX/50 - Fully Operational/WIP
    - 2004 Athlon 64 Retro Gaming System - Indefinitely Parked
    - Main Workstation - Fully operational!

    sigpic

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    • ReeceyBurger123
      Never Give Up !
      • May 2014
      • 7325
      • Britain

      #22
      Re: Toshiba 32AV500U No Picture, but responds to remote

      Ok take it out and test the fet again, then also check the pads for S/C if the pads are still showing up S/C the controller is bad too.
      Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

      https://www.facebook.com/Telford-Tel...7894576335359/

      Comment

      • TechGeek
        Computer Geek
        • Jan 2015
        • 2254
        • USA

        #23
        Re: Toshiba 32AV500U No Picture, but responds to remote

        Desolder the FET? Or can I just replace the slave board?
        Don't buy those $10 PSU "specials". They fail, and they have taken whole computers with them.

        My computer doubles as a space heater.

        Permanently Retired Systems:
        RIP Advantech UNO-3072LA (2008-2021) - Decommissioned and taken out of service permanently due to lack of software support for it. Not very likely to ever be recommissioned again.
        Asus Q550LF (Old main laptop, 2014-2022) - Decommissioned and stripped due to a myriad of problems, the main battery bloating being the final nail in the coffin.


        Kooky and Kool Systems
        - 1996 Power Macintosh 7200/120 + PC Compatibility Card - Under Restoration
        - 1993 Gateway 2000 80486DX/50 - Fully Operational/WIP
        - 2004 Athlon 64 Retro Gaming System - Indefinitely Parked
        - Main Workstation - Fully operational!

        sigpic

        Comment

        • ReeceyBurger123
          Never Give Up !
          • May 2014
          • 7325
          • Britain

          #24
          Re: Toshiba 32AV500U No Picture, but responds to remote

          Well it up to you buddy, if you want to do component level desolder the fet and test but if you want a simple fix just swap the board as you have diagnosed it as being at fault.
          Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

          https://www.facebook.com/Telford-Tel...7894576335359/

          Comment

          • TechGeek
            Computer Geek
            • Jan 2015
            • 2254
            • USA

            #25
            Re: Toshiba 32AV500U No Picture, but responds to remote

            Would this be a suitable replacement?

            http://electropartsonline.com/for-to...oard-unit.html
            Don't buy those $10 PSU "specials". They fail, and they have taken whole computers with them.

            My computer doubles as a space heater.

            Permanently Retired Systems:
            RIP Advantech UNO-3072LA (2008-2021) - Decommissioned and taken out of service permanently due to lack of software support for it. Not very likely to ever be recommissioned again.
            Asus Q550LF (Old main laptop, 2014-2022) - Decommissioned and stripped due to a myriad of problems, the main battery bloating being the final nail in the coffin.


            Kooky and Kool Systems
            - 1996 Power Macintosh 7200/120 + PC Compatibility Card - Under Restoration
            - 1993 Gateway 2000 80486DX/50 - Fully Operational/WIP
            - 2004 Athlon 64 Retro Gaming System - Indefinitely Parked
            - Main Workstation - Fully operational!

            sigpic

            Comment

            • TechGeek
              Computer Geek
              • Jan 2015
              • 2254
              • USA

              #26
              Re: Toshiba 32AV500U No Picture, but responds to remote

              For now, while I'm waiting for parts to arrive, can I have the inverter boards disconnected, and use it as a speaker(using line in on the TV)?
              Don't buy those $10 PSU "specials". They fail, and they have taken whole computers with them.

              My computer doubles as a space heater.

              Permanently Retired Systems:
              RIP Advantech UNO-3072LA (2008-2021) - Decommissioned and taken out of service permanently due to lack of software support for it. Not very likely to ever be recommissioned again.
              Asus Q550LF (Old main laptop, 2014-2022) - Decommissioned and stripped due to a myriad of problems, the main battery bloating being the final nail in the coffin.


              Kooky and Kool Systems
              - 1996 Power Macintosh 7200/120 + PC Compatibility Card - Under Restoration
              - 1993 Gateway 2000 80486DX/50 - Fully Operational/WIP
              - 2004 Athlon 64 Retro Gaming System - Indefinitely Parked
              - Main Workstation - Fully operational!

              sigpic

              Comment

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