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Silent Roland SH1000 (cross posted)

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  • Mu
    Just in case anyone has encountered this variety before - Appearantly, the unit has suffered a voltage spike, blowing the fuse on the pulse Sheet Assembly
    Message 1 of 2 , Sep 20, 2007
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      Just in case anyone has encountered this variety before -

      Appearantly, the unit has suffered a voltage spike, blowing the fuse on
      the "pulse Sheet Assembly" card. After changing critical tantalyts,
      I've tested each - and every - card in another, working unit, and they
      all come out sounding as they should. Still, when put back in the
      patient, no sound comes out.

      All pots, sliders and knobs tests out ok, and the wiring seem to run
      where it should. I also get correct reads from the PS.

      What is going on here?


      -Mu
    • Mu
      After testing each and every component, trace and wire, the fault proved to be wear on the cable-to-board connectors. The metal was simply worn past breaking
      Message 2 of 2 , Sep 21, 2007
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        After testing each and every component, trace and wire, the fault
        proved to be wear on the cable-to-board connectors. The metal was
        simply worn past breaking point. Took 30 hours to find that one loose
        bastard.. And his friends proved capable of all the instability of
        the unit.

        (Connector 11 and co, at the "pulse sheet" - according to the 1976
        service notes.)


        Now it's back to it's rightful collection of natural sounding presets
        and downright evil filter.

        (Considering buying a piano? The tuba taking too much out of your
        space and pocket? No problem with the SH1000 - Yesterday's future at
        your fingertips.)


        -Mu
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