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Crate dx 212 preamp schematic

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  • Crate dx 212 preamp schematic

    Does anyone here have a schematic for a Crate DX 212? This came to me a couple of days ago and the ribbon cable that connects the input jack board to the pre amp board was broken off at the jack board. I carefully marked everything and hardwired the jacks to the pre amp board. I fear that i've damaged a tracing somewhere or it was already damaged. I removed all the wire i used to re wire the jacks and i don't even get a hum from the pre amp.The initial problem was a crackle that was cause by cracked solder joints on the filter caps. That's fixed. I guess i could put a signal into the line in jack and see what happens. Well, i just ran a signal into the line in jack and nothing. I'll pull the output board back out tomorrow and have another look. I still need a schematic though. Thanks.

  • #2
    Crate DX212 Schematic

    Here is the power amp.
    It's all that I have.
    Attached Files

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    • #3
      Here is the preamp.
      I had it in the DX100 folder
      Attached Files

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      • #4
        Hey, Thanks. I was reading the Manual and it say's if nothing is plugged into the input jacks,it will mute the internal speakers. Sooooo, i'll bet i wired the input jacks wrong. The pre amp schematic should help. Thanks

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        • #5
          Crate DX212 Schematic

          Schematics re-uploaded.
          Attached Files

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