Connect with us

CD not able to spin

Discussion in 'Electronic Repair' started by Alex C, Sep 9, 2003.

Scroll to continue with content
  1. Alex C

    Alex C Guest

    Hi,
    I am using AIWA ZKR900 VCD Mini HiFi with 5 CD changer.
    The player is unable to detect CD but I can hear the optical movement,
    showing that it is searching for data. The CD seem to trying to spin
    but it could not take-off. I try to give it a "jump start" by push the
    CD to spin, then it will spin and the player able to play the CD. So
    each time now when I want to play a CD, I have to "jump-start" it.
    What is the actual problem here? Since, it is able to read the CD
    (provided if the CD can spin), it shows that nothing worng with the
    optical block. So where can I check for faulty part?

    Thanks for any help.
     
  2. Jerry G.

    Jerry G. Guest

    Try some oil down the shaft of the motor. This can most likely be that
    the motor must be replaced, or there is a fault in the servo drive to
    the motor.

    --

    Greetings,

    Jerry Greenberg GLG Technologies GLG
    ==============================================
    WebPage http://www.zoom-one.com
    Electronics http://www.zoom-one.com/electron.htm
    Instruments http://www.zoom-one.com/glgtech.htm
    ==============================================
    Hi,
    I am using AIWA ZKR900 VCD Mini HiFi with 5 CD changer.
    The player is unable to detect CD but I can hear the optical movement,
    showing that it is searching for data. The CD seem to trying to spin
    but it could not take-off. I try to give it a "jump start" by push the
    CD to spin, then it will spin and the player able to play the CD. So
    each time now when I want to play a CD, I have to "jump-start" it.
    What is the actual problem here? Since, it is able to read the CD
    (provided if the CD can spin), it shows that nothing worng with the
    optical block. So where can I check for faulty part?

    Thanks for any help.
     
  3. Definitely worth a try cleaning the lens, but if it takes off and spins
    pretty reliably with a little "help" this often indicates a shorted spindle
    motor - that is, shorted on 1/2 it's revolution. Often the short can be
    cleared if you understand about small motor construction, and can aim some
    cleaner/lubricant into the little slits underneath, aimed at the brushes,
    and follow with some compressed air to blow out the debris etc. Repeat a
    couple times and the short will usually disappear. It's helpful to be able
    to test for the short before and after so you know if the procedure worked.

    Mark Z.
     
  4. He can hand start it so almost certainly the motor. May be partially shorted
    needing cleaning or replacement.

    See the CD repair guide, section on motors.

    --- sam | Sci.Electronics.Repair FAQ Home Page: http://www.repairfaq.org/
    Repair | Main Table of Contents: http://www.repairfaq.org/REPAIR/
    +Lasers | Sam's Laser FAQ: http://www.repairfaq.org/sam/lasersam.htm
    | Mirror Site Info: http://www.repairfaq.org/REPAIR/F_mirror.html

    Important: The email address in this message header may no longer work. To
    contact me, please use the Feedback Form at repairfaq.org. Thanks.
     
Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.
Electronics Point Logo
Continue to site
Quote of the day

-