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Request Marshall MG100HCFX schematic

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  • Request Marshall MG100HCFX schematic

    Yesterday I got it( Marshall MG100 HCFX) for repairs.The foot switch connecting circuit is burnt.Kindly help me find the schematic for it.Thank you all.

  • #2
    This is the new disposable series,I don't think it's possible to repair if smd parts are burnt,no scheme.

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    • #3
      Originally posted by alexradium View Post
      This is the new disposable series,I don't think it's possible to repair if smd parts are burnt,no scheme.
      Very simple circuitry.
      Repaired for 5 min.
      Attached Files

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      • #4
        Originally posted by doctor View Post
        Very simple circuitry.
        Repaired for 5 min.
        And once again the doctor wows with a schematic

        nosaj
        Binkie McFartnuggets‏:If we really wanted to know the meaning of life we would have fed Stephen Hawking shrooms a long time ago.

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        • #5
          Thanks Doctor for your help.Repaired Marshall amp within one hour,without schematic you sent for me it was very difficult.Thanks again for your cooperation.

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          • #6
            Originally posted by doctor View Post
            Very simple circuitry.
            Repaired for 5 min.
            Why part schematic, why not the whole schematics.
            Who does not know and knows that he does not know - teach him Confucius)
            Who knows and does not know that he knows - wake him Confucius)

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            • #7
              Originally posted by vintagekiki View Post
              Why part schematic, why not the whole schematics.
              I would assume because of NDA (non-disclosure agreement).
              "Everything is better with a tube. I have a customer with an all-tube pacemaker. His heartbeat is steady, reassuring and dependable, not like a modern heartbeat. And if it goes wrong he can fix it himself. You can't do that with SMD." - Mick Bailey

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              • #8
                Originally posted by g1 View Post
                I would assume because of NDA (non-disclosure agreement).
                Thank you
                Who does not know and knows that he does not know - teach him Confucius)
                Who knows and does not know that he knows - wake him Confucius)

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                • #9
                  Do you have the power transistor section of the schematic?

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                  • #10
                    Originally posted by stevenrb718 View Post
                    Do you have the power transistor section of the schematic?
                    I think that Marshall series MG100... in output uses IC TDA7293.
                    Maybe can help schematis for Marshall MG100HDFX

                    https://music-electronics-forum.com/showthread.php?t=14816&p=117754&viewfull=1#post117754
                    Who does not know and knows that he does not know - teach him Confucius)
                    Who knows and does not know that he knows - wake him Confucius)

                    Comment


                    • #11
                      Originally posted by vintagekiki View Post
                      I think that Marshall series MG100... in output uses IC TDA7293.
                      Maybe can help schematis for Marshall MG100HDFX

                      https://music-electronics-forum.com/showthread.php?t=14816&p=117754&viewfull=1#post117754
                      nope,the cfx one has discrete transistors in CFP configuration,the fan spins only when it gets too hot,i repaired one reflowing some solderings,lead free is the best you know....

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