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Problem with Compact Disc Recorder

Discussion in 'Electronic Repair' started by Slartibartfast, Aug 7, 2005.

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  1. I own a six year old Pioneer PDR-509 Compact Disc Recorder, (The Hi-Fi type
    of recorder - nothing to do with computers), which over that time hasn't
    been used a great deal.

    It has worked with no problems until yesterday. I was trying to record to
    it from a mini disc deck. It was recording OK for anything from about three
    minutes up to 45 minutes, but then it would suddenly stop and flash a
    message "Check Disc". The music recorded up to that point plays back with
    no problems.

    I thought at first it might be a problem with the discs, as I'd just bought
    a new pack, but I tried a different brand and the same thing happened. I've
    tried recording using an optical cable and a coaxial cable, and I've also
    tried an analogue recording from the radio tuner, but the result is the
    same.

    As someone with no technical knowledge, my only other course of action seems
    to be to find a local repair shop (who may not be interested due to its
    age), or to take the unit and give it a good shaking. But before I do
    that, does anyone have any ideas if there's anything else I can do myself?
     
  2. 3T39

    3T39 Guest

    Hello, Slartibartfast!
    You wrote on Sun, 7 Aug 2005 09:26:21 +0100:

    S> It has worked with no problems until yesterday. I was trying to record
    S> to it from a mini disc deck. It was recording OK for anything from
    S> about three minutes up to 45 minutes, but then it would suddenly stop
    S> and flash a message "Check Disc". The music recorded up to that point
    S> plays back with no problems.

    S> I thought at first it might be a problem with the discs, as I'd just
    S> bought a new pack, but I tried a different brand and the same thing
    S> happened. I've tried recording using an optical cable and a coaxial
    S> cable, and I've also tried an analogue recording from the radio tuner,
    S> but the result is the same.

    About the only thing you can do yourself is to carefully clean the laser
    lens with alcahol on a cotton bud. I think its reasonable to suppose that
    the problem with an old machine like this might well be a buildup of dust on
    the lens. The problem of course is getting at the laser. I don't know which
    model you have but if you remove the case cover (usually just four small
    philips screws) the laser assembly should be accessable if you open the
    drawer. See if you can find the little blue lens, like a little eye, located
    under the tray. If you can see it, CAREFULLY and GENTLY clean it with a
    little isapropyl alcahol or something simillar (leaves no residue) on a
    cotton bud. Don't try to dry it, just leave it to dry for a few minutes on
    its own. See if that fixes it. With luck this might do the trick,.If not,
    then I'm afraid a repair is unlikely to be economic.

    With best regards, 3T39. E-mail:
     
  3. Thanks for taking the trouble to reply. I did what you suggested, but
    unfortunately it has made no difference. I tried another recording, but it
    lasted only ten minutes or so. Looks like it's time to get a replacement.
     
  4. JM

    JM Guest

    If it were my machine, I'd check the condition of the slider assembly
    (sled?) that the lens is on. Will it play back entire CDs with no problem?
    It almost sounds as if the laser is getting stuck at some point on
    that slider and can't continue moving to the other end of the slide. Maybe
    the grease that was on the rail(s) has turned sticky from non-use? The
    other thing I would look at is any ribbon cables between the laser and the
    board, even try just unplugging them and reattching, I've done that once or
    twice on computer CD ROMs and managed to solve random errors and no-read
    problems.

    Good luck!
     
  5. boardjunkie

    boardjunkie Guest

    I would look into having the spindle motor replaced as well. You said
    it has had a lot of use, and the motor won't last forever.
     
  6. I've tried cleaning the "rails" which the laser is mounted on and I've
    disconnected and reconnected all the ribbon cables I could get access to
    easily, but the problem is still there.

    I've been playing back a few CDs and they seem to work with no problems, so
    I guess it may be one of those faults which my local electronics shop will
    find hard to trace.

    Anyway, thanks for your suggestions.
     
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