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Pioneer PD-T503 CD Player - Power?

Discussion in 'Electronic Repair' started by Marc, Sep 12, 2003.

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  1. Marc

    Marc Guest


    I was wondering if I might get some advice. I'm not a repair
    technician, but thought it would be nice if I could fix a CD player
    I've acquired in a broken state. I've read through the FAQ and the
    newsgroup. I have some electronics knowledge, but not much.
    The unit is a PD-T503 twin tray CD player (Pioneer). When plugged in,
    the display lights up and stays on with all the track lights on for
    both trays and the disk 1 & II indicator lights, but none of the other
    lights for other features are lit. The sled motor seems to be getting
    power because the tray moves out and in about 1 inch when power is on
    (possibly another problem?). Pressing the power switch does nothing
    (ie. the display stays lit and nothing else happens). None of the
    buttons do anything when depressed when the power is on. Any ideas
    here? The unit has the typical test pins so I could try jumping those
    and testing that way but is it going to help or is there an obvious
    fix here? Any help for a newbie would be greatly appreciated. Thanks!
  2. These are real prone to mechanical timing problems, and chewed gears.

    Most DIY types, and even many techs, would be out of their element on these,
    at least without a service manual, including the separate manual for the
    mechanical adjustments.

    Mark Z.
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