Question about Sony MHC-RX30 Shelf System

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Cd player won't play- goes through all three discs and then says no disc on readout. I opened this up and everything is functioning and the magnet brings the cd up to the laser but it won't play?

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  • lrudacille Jan 30, 2010

    Just one item- in all three discs, it doesn't spin so does that mean the motor is bad and how much does that cost?

  • lrudacille Jan 30, 2010

    It's fixed- it's not working. I took some water and cleaned the lens and all three cd's work now. I used a cotton swab and wet paper towel. Thanks so much.

  • lrudacille Jan 30, 2010

    make sure you understand...it's NOW..fixed..I accidentally put not. Sorry.

  • lrudacille Jan 30, 2010

    Yes- solution was very helpful and my cd player is now fixed.

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  • Sony Master
  • 19,396 Answers

Hi.

This problem is usually caused by a lens fault.

The spindler will spin for few seconds, but the lens will not detect the laser beam reflected by the CD correctly, and the unit will interpret this as no disk present, as it is not able to read the initial track (TOC).


Try first using a cleaner cd to clean the lens.

If that does not work, the unit must be taken apart, and the lens cleaned using solution and soft cotton stubs. Lens cleaning may affect warranty status. Call manufacturer to get more info.


Here a general article on the topic, procedures to clean the lens are the same for CD and DVDs:My player does not read disks

Regards.

Posted on Jan 30, 2010

  • 2 more comments 
  • Ginko
    Ginko Jan 30, 2010

    I am telling you that it is not the motor.


    In this kind of system all the three disks are read using the same lens. When this happen the problem is usually the lens. The spindle motor causing this problem is quite unusual.




    Clean the lens first, and see if this can bring an improvement.

  • Ginko
    Ginko Jan 30, 2010

    Hi.




    I was reading back.




    If only one on three disk does not work, then it is still not the spindle motor. Sony multi CD units like this usually have one single spindle motor, and the disks will rotate engaging the same motor.




    The problem is likely a mechanical fault, causing the disk from tray nr.X not assuming the correct position or not being catched by the spindle disk for a different reason.


    When this problem occurs, there is need to take apart the unit and inspect the disk carousel mechanism as first thing.

  • Ginko
    Ginko Jan 30, 2010

    The statement "Just one item- in all three discs, it doesn't spin so does that mean the motor is bad and how much does that cost?" is still not very clear.




    I will try resuming all possibilities:




    If all three trays are not played, and you get No disk, then it is the lens.
    If you get no-disk only on one tray, then it is usually a meachanical fault.
    If the problem happened using a determined disk, then the problem is the disk.




    When problem is spindle motor, the unit won't spin at all. If the unit start spinning, then stop, that is because the player does not 'see' the disk because of the faulty lens, and spindle motor is not energized by control board because of the faulty lens not detecting the disk.


    The spindle motor gets definitively powered to read and play the disk only when the lens is detecting the reflected laser beam.

  • Ginko
    Ginko Jan 30, 2010

    Hi.




    Good to know.




    If the problem happens again, next time clean using isopropyl alcohol or cleaning solution. Water can leave stains on the lens.




    All the best.




    Ginko.

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