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Nakamichi BX-125 one channel out.

Discussion in 'Electronic Repair' started by David Farber, Feb 10, 2007.

  1. David Farber

    David Farber Guest

    This Nakamichi BX-125 cassette deck has no output on either playback or
    record on the right channel. The l.e.d. meters are responding. When a newly
    recorded tape is rewound and played back, both left and right meters respond
    properly. I tried tracing backward from the line output jack but I could not
    pick up the point where the signal gets lost. Anyone have a schematic or
    block diagram that could point me in the right direction?

    Thanks for your reply.
     
  2. This is a stereo unit. Can't you just trace the signal back from the
    outputs or from the head preamp to see where it differs in the two channels?

    Leonard
     
  3. David Farber

    David Farber Guest

    Hi Leonard,

    I was able to trace the signal back to the playback level volume control.
    This is a stereo level control that is user adjustable at the front panel. I
    checked the level in and out of the volume control and sure enough, only one
    signal was coming out while two were going in. One side of the control had
    no continuity to the wiper tap. I bypassed the control completely and that
    fixed it.

    Thanks for your reply.
     
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