Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

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  • ngth82
    Badcaps Veteran
    • Jul 2015
    • 541
    • USA

    #1

    Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

    Hi everyone -

    I have a Samsung LN32A330J1D LCD TV that powers on, audio works on the selected input, the backlight is on, but nothing shows up on the screen. I traced the issue down to the fuse on the T-CON board (V315B3-C04). I can see 12V on the connector, and only on one side of the fuse. The other reads zero volts and is definitely open.

    I tried cross referencing the T-Con board and TV part numbers, but i can't find specifications on the fuse to use. The original fuse is marked with the letters "UD". Does anyone know the exact fuse P/N or can suggest a suitable alternate?

    Since the TV was free, i removed the blown fuse and shorted a wire across the pads. The thing powers up just fine and all the inputs work. I would just like to have the correct part in there before i button the TV back up.

    Thank you,
    Thomas
    Attached Files
    -Thomas
    I'm a hardware engineer focused on networking equipment for my day job. I void warranties and fix consumer electronics for fun.
  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #2
    Re: Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

    What is the LCD panel model number?
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

    Comment

    • dick_barton
      Badcaps Legend
      • Aug 2015
      • 6642
      • Wales

      #3
      Re: Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

      What numbers/lettering is on the fuse or does it say on the board what voltage/current the fuse is.
      Willing to help but I'm no expert.

      Comment

      • dick_barton
        Badcaps Legend
        • Aug 2015
        • 6642
        • Wales

        #4
        Re: Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

        If you can measure the size of the fuse so you can identify the type, eg 605, 803 etc then you should find the information in the following pdf.

        https://cdn.badcaps-static.com/pdfs/...7263e74802.pdf

        Edit
        Irrespective of type, a UD fuse is a 3.15A fuse
        Last edited by dick_barton; 06-03-2016, 03:12 PM.
        Willing to help but I'm no expert.

        Comment

        • victor_cj
          Senior Member
          • May 2015
          • 90
          • Romania

          #5
          Re: Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

          UD is 3,15A fuse Case Size: 0603. Part number: NFHC06 322ADTPF
          The art of fighting without fighting

          Comment

          • ngth82
            Badcaps Veteran
            • Jul 2015
            • 541
            • USA

            #6
            Re: Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

            Wow that's a lot of replies in the last few hours. Thanks for the input guys.

            I believe its an 0603. I'm currently at work, so i don't have it. But thank you for the datasheet. I'll find a 3.15A fuse (or close equivalent).

            I do appreciate that!

            -Thomas
            -Thomas
            I'm a hardware engineer focused on networking equipment for my day job. I void warranties and fix consumer electronics for fun.

            Comment

            • budm
              Badcaps Legend
              • Feb 2010
              • 40746
              • USA

              #7
              Re: Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

              They sure use real close to the max inrush current of the T-CON, 3.4A (page 7).
              panel spec:
              https://cdn.badcaps-static.com/pdfs/...16b3ea2247.pdf
              Last edited by budm; 06-03-2016, 04:36 PM.
              Never stop learning
              Basic LCD TV and Monitor troubleshooting guides.
              http://www.badcaps.net/forum/showthr...956#post305956

              Voltage Regulator (LDO) testing:
              http://www.badcaps.net/forum/showthr...999#post300999

              Inverter testing using old CFL:
              http://www.badcaps.net/forum/showthr...er+testing+cfl

              Tear down pictures : Hit the ">" Show Albums and stories" on the left side
              http://s807.photobucket.com/user/budm/library/

              TV Factory reset codes listing:
              http://www.badcaps.net/forum/showthread.php?t=24809

              Comment

              • ngth82
                Badcaps Veteran
                • Jul 2015
                • 541
                • USA

                #8
                Re: Samsung LN32A330J1D and T-Con V315B3-C04 - looking for T-Con Fuse part number

                Originally posted by budm
                They sure use real close to the max inrush current of the T-CON, 3.4A (page 7).
                panel spec:
                https://cdn.badcaps-static.com/pdfs/...16b3ea2247.pdf
                I ended up using a 5A 0603 fuse that I got from work... That should give a little bit of headroom for future issues.

                Looks like i had a Littlefuse equiv part that i used previously on one of my boards. Just yanked it off with a soldering iron and installed it on the T-con. The original part size was definitely an 0805.

                The 0603 pack type works for now, but i'll get the 0805 package on Monday then wrap this up for good.

                Thanks for the help.
                -Thomas
                I'm a hardware engineer focused on networking equipment for my day job. I void warranties and fix consumer electronics for fun.

                Comment

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