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Yamaha k-720 cassette deck

Will not work/play tape

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  • Anonymous Jan 27, 2008

    tried 20 tapes ALL keep reversing and will not play any.
    But will fast forward and reverse. has not been played for some time. In great condition, in cabinet with other components and all others work. I bought it Oct 1985. Has always had great care, and worked perfectly. Now will not play ANY tapes!!! PLEASE!!

  • Anonymous Oct 17, 2008

    Same Problem...I noticed that what appears to be the capstan motor is hot, and seems to be powered even when the unit is idle (turned on, but no fuctions selected)

  • nonbiz_paul Nov 20, 2008

    yep. I have the exact same problem. Have not used the deck in years. But, boy, it is a killer deck, especially for recording.



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No play but fast forward and reverse work ok--yes it is the drive belt. I disassembled the unit to find that the belt is actually sticky and stuck to both weighted flywheels, the drive motor pulley and managed to stick to itself. The drive motor is warm from trying to turn. Now, anyone know where to find the belt??

Posted on Jun 04, 2010

  • dfsiegel Jul 26, 2011

    I read that you disassembled your K-720. I need to do the same to get to the belts. Any tips on how to remove the cassette mechanism would be appreciated.
    Thanks,
    Dave

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This unit may have a tape tension sensor. If that sensor isn't working properly, the mechanism always thinks the tape has reached the end during play/record. Sitting unused could allow some grease on the sensor mechanism to harden which would disable it.

The sensor probably isn't used during FF/REW.

Posted on Mar 21, 2008

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