Sony VCR ejecting cartridge

Discussion in 'Electronic Repair' started by RayP, Apr 4, 2005.

  1. RayP

    RayP Guest

    Hi
    When I insert a tape into my vcr (sony model no.SLV430) ,the cartridge goes
    in, the tape loads around the drum and after about 3 seconds, the tape
    retracts back into the cartridge and the cartridge ejects.This is all it
    will do.
    Anyone have any solutions for me?
    Thank You,
    Ray
     
    RayP, Apr 4, 2005
    #1
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  2. RayP

    Guest

    Have you tried different tapes?
     
    , Apr 5, 2005
    #2
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  3. RayP

    Bob Shuman Guest

    Ray,

    Sounds like this might be caused by a defective mode switch. Depending on
    the model, you may be able to open the switch and clean it and not have to
    replace. Good luck and post what you find.

    Bob
    "RayP" <> wrote in message
    news:Oki4e.10122$...
    > Hi
    > When I insert a tape into my vcr (sony model no.SLV430) ,the cartridge

    goes
    > in, the tape loads around the drum and after about 3 seconds, the tape
    > retracts back into the cartridge and the cartridge ejects.
     
    Bob Shuman, Apr 5, 2005
    #3
  4. RayP

    Ray L. Volts Guest

    "RayP" <> wrote in message
    news:Oki4e.10122$...
    > Hi
    > When I insert a tape into my vcr (sony model no.SLV430) ,the cartridge

    goes
    > in, the tape loads around the drum and after about 3 seconds, the tape
    > retracts back into the cartridge and the cartridge ejects.This is all it
    > will do.
    > Anyone have any solutions for me?
    > Thank You,
    > Ray
    >


    How can you be certain the tape is fully threading around the drum and the
    tape guides are locking into place? Did you remove the VCR cover and
    observe this?
    If the threading sequence has completed, cassette ejection most often
    results from the tape take-up spool failing to turn at the appropriate rate,
    alerting the VCR to a "critical" malfunction -- the VCR believes something
    has gone horribly wrong which could ultimately damage the video heads and/or
    the tape, so the tape is spit out.
    Are the tapes being chewed? Is tape edge curling (creasing side of tape)
    occurring?

    Assuming the tape threading sequence has properly completed, a number of
    things come to mind (not in order of probability):

    Bad belt(s)
    Excessive back tension (tape will be forced tight against drum; you'd hear
    squealing noises and the drum slowing down)
    Worm gear slipping on shaft (cracked); not turning cam gear
    Stripped cam gear not engaging mode switch or not moving drive wheel into
    position
    Worn or dirty mode switch (as someone suggested)
    Bad tape-end sensor
    Bad dew sensor (or moisture actually present)
    Excessive resistance of tape spools (try a newish tape and see if it does
    it; cheap tapes are common culprits)
     
    Ray L. Volts, Apr 5, 2005
    #4
  5. RayP wrote:
    > Hi
    > When I insert a tape into my vcr (sony model no.SLV430) ,the
    > cartridge goes in, the tape loads around the drum and after about 3
    > seconds, the tape retracts back into the cartridge and the cartridge
    > ejects.This is all it will do.
    > Anyone have any solutions for me?
    > Thank You,
    > Ray


    These commonly have problems with the carriage timing. One of the lower
    gears is off by a tooth or 2. This is due to sloppy tolerances, and tends to
    recur after fixed. There is a "fix" which involves adding a washer on the
    right side, which is to brace the right side of the carriage as the tape is
    inserted. This isn't all too reliable either, though.

    Mark Z.
     
    Mark D. Zacharias, Apr 8, 2005
    #5
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