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soundcraft signature 16 schematic required

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  • soundcraft signature 16 schematic required

    i have searched the net can't one anywhere, for this or a larger or small mixer under the same range
    looked at others, but this fault i will need the correct one.
    aux 1 is distorted aux 2-3 ok change two burnt out op amps but still not working correctly

    if anyone has a copy

    mr a

  • #2
    I don't have a schematic, but ask the Soundcraft folks. They've sent me schematics in the past.

    I'll add: Most mixers have small value resistors (maybe 10 ohm or so) in line with each op amp supply pin so that if an op amp shorts, it doesn't take down the supply for the entire board. I would check the supply pins of the op amps you replaced and make sure you have your + and - supplies at the op amp pins 4 & 8. If not, look for a burnt low value resistor that connects to the offending supply pin. The open resistor will have supply on one side and nothing on the other.
    "I took a photo of my ohm meter... It didn't help." Enzo 8/20/22

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    • #3
      Thanks I will ask them. The signal is distorted before the op amps that I changed. So there is probably a few more elsewhere
      I'll ask them tomorrow

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      • #4
        i have email them and was told nope can't give them out
        all voltage supplies are good, unit working except for aux 1
        i guess another look is required

        Mr A

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