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RCA Stereo turns off

Discussion in 'Electronic Repair' started by LrdNikon, Aug 6, 2006.

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  1. LrdNikon

    LrdNikon Guest

    I have a 6 year-old RCA stereo with surround speackers that turns
    itself off after 2-3 seconds of playing music (radio, CD, or input).
    If not sound is produced, it will not turn off. It seems to happen
    when the music is at a normal volume too. If it is quiet, it will not
    turn off.

    Any suggestions? Is there a fuse or something that can be replaced?
     
  2. Model number info might help, but it sounds like a protection circuit issue,
    possibly detecting DC at the output (a distorted waveform might trigger the
    DC detect also).

    If it's not worth spending at least about 100.00 to fix it, then just buy a
    new stereo. It's pretty unlikely you can repair it yourself.

    Mark Z.
     
  3. Jim Land

    Jim Land Guest

    What's the model number?
     
  4. LrdNikon

    LrdNikon Guest

    RP-9380A
    It's old.
     
  5. Arfa Daily

    Arfa Daily Guest

    First, try it with no speakers connected, then with just one connected. If
    it still works, try the same single speaker on the other channel. If it now
    stops working, then the second channel tried is faulty - DC on the output at
    a guess. If it doesn't work when you try the first channel, swap the speaker
    to the other, and try again. If it does now work, then the first channel is
    faulty. If it works on both channels with one speaker only, try the other
    speaker on its own. If it now doesn't work, the second speaker or its wiring
    is faulty. Likewise, if it doesn't work with the first speaker on its own on
    either channel, but does with the second speaker, then the first speaker or
    its wiring is faulty.

    Arfa
     
  6. GPG

    GPG Guest

    Can also be a filter cap in the protection circuit.
     
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