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Sony CD player CDP-H6600 problem

Discussion in 'Electronic Repair' started by Rob B., Sep 25, 2006.

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  1. Rob B.

    Rob B. Guest

    I have a problem with my Sony CD player model CDP-H6600. It now often
    indicates
    "no disc" even when there is one. Switching on sometimes causes a rattling
    noise, which appears to be the laser-lens moving up and down.
    Sometimes it runs normally and still produces good quality sound which
    probably indicates the laser still to be working properly.
    Does anyone have an idea what the problem might be and how to cure it ?
    I would love to extend the life of this machine which has done so well for
    many years.
    I have carefully tried to clean the lens but that doesn't seem to have had
    any effect. The
    laserunittype is KSS 240A. The CD player is part of a midi/mini Sony set
    (type MHC 6600)
    which I bought around 1992/3 in the UK.

    Grateful for your advise.
    Rob
     
  2. Arfa Daily

    Arfa Daily Guest

    If you look at the small servo PCB under the deck, you will see several
    small surface mount electrolytics. There are usually three, one after the
    other, along one edge, although there is more than one version of the board.
    It is very common for these to fail after the length of time that you've had
    it. They actually sometimes leak, and attack some nearby through plated
    holes. The vibrating lens is a typical symptom of failure of these caps. A
    word of warning here though. Only replace with similar value and voltage
    rating surface mount types, as originally fitted. *Standard* radial or axial
    caps with the leads formed to fit the original pads WILL NOT WORK.

    Arfa
     
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