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Apex DVD Player model AD-1110W

Discussion in 'Electronic Repair' started by Brad, May 16, 2007.

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  1. Brad

    Brad Guest

    Hi,

    I have an Apex DVD model AD-1110W in my shop for service.
    Note: I seldom service DVD players. When I insert a DVD or
    CD, the message says, "Loading" and after a small delay,
    "No Disc".

    I cleaned the optical pickup lens even though it looked clean.

    When I insert a DVD or CD, the optical pickup slides in and out, but
    the disk doesn't spin. I checked the motor for freedom of rotation.
    I checked voltages from the power supply and all were good except
    +12V & -12V which measured +11.17 & -11.07. I "scoped" all the
    voltages to check for ripple or noise, but all were "clean".

    Is it possible for a DVD player to check for the presences of
    a disc simply by the reflection without rotating the disc?

    Thanks in advance, Brad

    Before you type your password, credit card number, etc.,
    be sure there is no active keystroke logger (spyware) in your PC.
     
  2. Meat Plow

    Meat Plow Guest

    I suppose it could check for a disc first then spin it to check compliance.
     
  3. Guest

    Yes.... the laser checks for a reflection and tries to focus on the
    disc, if successful the motor will spin. Disconnect the wires going
    to the spindle motor and use a small 9V transistor battery to power
    it .... if it doesn't spin, the motor is bad. You can go to the
    website for this newsgroup at
    http://www.repairfaq.org/
    there with some of your search time you will find a wealth of CD
    player repair and troubleshooting information.
    electricitym
     
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