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Fender deville iv hrd resistor r61 value? Trouble identifying it?

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  • Fender deville iv hrd resistor r61 value? Trouble identifying it?

    Hi there names David in Melb Aus,

    Having issues with my Fender hrd iv amp lately & spotted resistor R-61 on power section of pcb is cooked, took it out to replace but its burnt im having trouble identifying its value, the bands are corrupted burnt & hard to evaluate etc, just wondered if anyone happens to know?
    I dont know a whole lot about electronics but i know how to properly solder and some problem solving, the amps still working atm im pretty sure it was a dicky valve that blew it,
    needs to be replaced anyway its cooked, the bands look like [black blue grey/brown? gold] but i cant be certain?
    Anyone help me please? Im red green colourblind maybe thats why lol?
    Its R61 on the power section of pcb?
    Thanks folks hope your all well for xmas.:-)


    Attached Files

  • #2
    R61 is a Fire Proof 470 Ohm 1 Watt MO or MF type.
    Fp 470 1W

    This is designed not to set fire to your PCB when the output valve fails.
    Replace only with the approved type!
    Support for Fender, Laney, Marshall, Mesa, VOX and many more. https://jonsnell.co.uk
    If you can't fix it, I probably can.

    Comment


    • #3
      Originally posted by Jon Snell View Post
      R61 is a Fire Proof 470 Ohm 1 Watt MO or MF type.
      Fp 470 1W

      This is designed not to set fire to your PCB when the output valve fails.
      Replace only with the approved type!
      Your an absolute proper gentleman sir, thats saved me a headache, have a great xmas please.
      Kind Regards-David.

      Comment


      • #4
        FYI: Flameproof or not, I like to stand those resistors of the board a bit to keep the board from roasting if the resistor fails.
        "I took a photo of my ohm meter... It didn't help." Enzo 8/20/22

        Comment


        • #5
          To add: why did it 'fail'?
          Sounds like an output tube failed.

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