Question about Sony CMT-EX1 CD Shelf System

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Laser does not read cd. says no disk therefore cd will not start spinning to pay

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  • krewkutz Feb 04, 2008

    cd goes up and down all right. I tried openig the front, manually sliding laser, but no avail.not under warranty. I doubt it is worth paying for a fix. It is about 2 years old

  • krewkutz Feb 04, 2008

    I did not know there is a rubberband in the mechanism

  • ffpa Apr 02, 2008

    I have the same problem... sometimes after shaking the tower a cd will play... looks like a problem with a rubberband inside???

  • Anonymous May 26, 2008

    I try to load a CD to play, and it opens, then closes repeatedly without reading the disc.
    The player seems to be stuck in the open/close mode. In the past, if I turn the player power off for more that a few seconds, and restart it will operate, but not recently.


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  • 440 Answers

Has bad tray cd rom would be hard to get this part also is it under warenty can u return it

Posted on Feb 04, 2008

  • nick helpap
    nick helpap Feb 04, 2008

    yes litte mech inside ther hard to getto and hard to find parts for it did ruberband break that spins it

  • nick helpap
    nick helpap Feb 04, 2008

    ya that controls it spins it sumtime sthey break but be hard job please mark this as fix ya thx nick so ithelps others

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Sounds like the laser has gone bad. The disc won't spin until the laser focuses on the disk, then the disk will spin.

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We put the cd in the system and get error message no disc


Put in an ordinary audio CD and play to notice if the CD is detected. If yes the optical is working, if not there is no laser scanning and the possibility that the laser head can be defective.
Now certain cleaner disks will not be tracked to run for cleaning as it is not read. Hence it will reject. So it is ideal to clean manually the laser head eye using a cotton bud with gentle pressure on the lens eye.
If there is no result then watch if the CD spins or tries to spin. If so the board seems to work unless a test is taken on the main board but the possibility of a defective optical head can be the suspected fault.
If any of the above seems otherwise we must recheck with possibilities of a malfunction of the main processor board

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My 5 Disk CD player doesn't work. It wont read any kind of CD. The radio and Tape Decks still work though. How can I fix the CD player.


Hello Alison hi, we need to check two parts to see which is the problem section why your player wont read.

  1. Does your CD spins normally, check your player if the cd spins normally, if you can see the disk spinning, take note of the spin, is it to slow? An abnormal disk spin has problems with its spindle motor assembly.
  2. Does your CD spins and then slow down to a stops, did not read the disk. This is caused by two things, FIRST: your CD player lens needs cleaning, you can buy a CD lens cleaner and use it to clean the lens, SECOND: The lens has degraded or worn out due to use and time, this needs a replacement lens assembly.
This things are way beyond a normal user, I suggest you send it for service. Sorry, there are no user serviceable parts here.

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My jvc cd player will not play the cd it says read & then no disk


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This can be fixed by adjusting the POT on the rear side of the laser. My Aiwa had the same issue and there is an orange screw on the rear of the laser. Turn it about 1/16 - 1/8 turn COUNTER clockwise.

Please understand, this is a temporary fix, and will eventually ruin your laser mechanism completely. The company is out of business and the unit is 10 years old, so I didn't much care...perhaps I will run across a CD assembly I can replace it with, but this is a temporary fix for this issue.

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1 Answer

CD Player Motor & Laser


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