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Marshall JCM2000 CON cables?

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  • Marshall JCM2000 CON cables?

    I have a JCM2000 missing some cables. No luck searching online for a source to buy them. Anyone advise?

    Looking for the following cables

    2 pin that connects reverb board CON1 to main board CON8
    2 pin that connects reverb board CON2 to preamp board CON8
    3 pin that connects reverb board CON3 to output board CON4
    2 pin that connects main board CON7 to preamp board CON9

    These were removed to eliminate the reverb and the effects loop.

    I would at least like to get the effects loop working again. Looks like that is the 3 pin cable. Not sure the other cables are needed to complete the effect loop. The effect loop is eluding me in the attached schematic.

    Thank you!

    Click image for larger version

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  • #2
    Effects Loop goes from (6-pin)Con10 preamp board to Con3 rear board. Is that cable there ?

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    • #3
      6 pin cable is there

      Originally posted by strato56 View Post
      Effects Loop goes from (6-pin)Con10 preamp board to Con3 rear board. Is that cable there ?
      Yes that cable is there. Attaching pictures.

      Click image for larger version

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      • #4
        Putting a jack in Effect return should activate RL3 and the effects loop. Guitar signal is normally always present at Effect Send

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        • #5
          Somebody has desoldered RL3, I see now

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          • #6
            RL3 ?

            Originally posted by strato56 View Post
            Somebody has desoldered RL3, I see now
            More complete schematic of DSL100 attached (trying to find RL3). Anyone know where can I find the specs for RL3 and a replacement?

            Thank you!

            Marshall-JCM2000-100W-DSL100-Schematic.pdf

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            • #7
              RL3 , top right on first schematic : DPDT 24V

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