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Thread: Looking for advice: Just Snagged a Tascam 58 + M50 mixer for... $100

  1. #31
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    I think you are going to need to capture and post some video of the problem. I don’t want to waste your time with an incorrect interpolation of the problem you are describing.

    But in addition to that can you verify the capstan shaft is spinning before you hit PLAY and also afterward?
    Last edited by sweetbeats; 11-05-2018 at 13:27.

  2. #32
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    Hey just took a quick video finally of what’s going on here:


  3. #33
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    It’s hard to see in the video without good lighting and with the camera moving around so much, but is your pinch roller even moving? Like when you hit PLAY is the pinch roller snapping to the capstan shaft and pinching the tape to the capstan shaft?

  4. #34
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    oh jeez... yeah the pinch roller is definitely not moving down into place. Is it possible it's gummed up with something?

  5. #35
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    That’s your problem. In PLAY the reel motors only provide holdback and takeup tension. The capstan drives the tape and the pinch roller pinches the tape to the capstan shaft so the capstan can do that driving.

    Try moving the pinch roller manually. It should move freely albeit with some spring resistance...but you should be able to manually move it to the capstan shaft and let it go and have it pop back into the resting position. If it moves freely as I just described the next step is to remove the faceplate and verify the linkage between the pinch roller solenoid and the pinch roller arm is intact and in good operating condition. If it is, then the next step is to verify 24VDC is being applied to the pinch roller solenoid in PLAY mode.

    If the pinch roller does NOT move freely it is possible the solenoid cushion has turned to goo and the solenoid plunger is effectively glued to the solenoid cylinder. Again, remove the faceplate and inspect the pinch roller solenoid and see if there is gummy goo between the solenoid plunger retaining clip (IIRC it’s an “E” type clip) and the cylinder.

  6. #36
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    thanks so much Sweetbeats! You are a wealth of knowledge and I'm grateful.

    I'll have a look at it here and see what I can come up with. Thanks!

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