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Noisy capstan which runs continously

Bought the deck used plays/ff/rew fine but as soon as you turn the power on the capstan? (spindle above the pinch wheel) spins continuosly even if the play button has not been pressed. It also makes a noise when turning but this resolves when playing a tape. Is this normal and if so what can I do to quiet the capstan.

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Most tape decks are designed so that the spindle will run when powered on. when you press play or record, the pinch roller elevates the tape to the spindle, tape starts to travel.

noise is basically from the mechanism, or deteriorated in time as yours is an used one. if you are lucky to find some good pinch roller rubbers of same diameter, replace them.

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Posted on Jan 25, 2008

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Sometimes this is due to the tape not being pinched between the capstan and the rubber roller.

Make sure there is no slack in the tape when you put it in the deck. See if you can observe the tape going down over the capstan on the correct side.

If this isn't the problem, then the mechanism that engages the capstan roller may not to be working. In most cases, the rubber roller is mounted on the same mechanism that moves the record-play head against the tape. If this mechanism isn't moving, that would cause the problems you describe.

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Just bought a unit from a thrift store. Found same problem; FF & RW OK, but play engages then stops. Also noticed buzzing noise when power turned on. Opened unit, found broken capstan drive belt. FF & RW driven from different motor. Buzz was drive motor running freely with no load - when power is on, capstan is driven all the time for fast play/record start. Replaced with rubber band, and it works --- now looking for replacement belt.

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