Question about Audio & Video Receivers
I have a marantz cd63 cd player which has trouble with the first and second tracks of some cds; it just seems to skid off. it also skips bits of some tracks and sometimes has trouble reading some cds at all. any ideas?
A failing spindle motor is very common on these philips drive units in which your cd player uses and is one of the causes of skipping, especially at the beginning of cd's. when the motor is failing and is not running at the correct speed it causes tracking problems especially at the begining of a disc where the motor should run at full speed.
Posted on Dec 20, 2009
This can be the first sign that the optics are starting to fail. It can also indicate dirty optics. Try opening up the unit and cleaning the lens using a cotton swab and alcohol. Also, with a dry cotton swab, clean off the "sled rails". These are the shiny rods that the optic assembly rides on. Sometimes the grease on these rails can collect dirt and cause the movement of the optics assembly to be erratic. Let us know how you make out.
Posted on Apr 11, 2008
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Sep 19, 2011 | Audio & Video Receivers
In most cases when the CD does not play it is possible that the optical head is a suspect. Sometimes it might pick up ordinary audio CD but will not play other formats. This indicates that the optical head is weak and so there is no detection or scanning of the CD . If the optical is working the tracks will be read immediately but with no scanning the laser head can be defective.
If the no disc comes even without a disc in the player you must check and see if there is a mechanical fault specially in the loading section that seems to trigger the CD mode to work.
Also check to see the main motor as it will not work in some cases as unless the tracks are read the drive motor will not work with signal from the processor. Also in some cases the central motor base can shift and so the distance to the disc can be more resulting in low detection. You can pull up the spindle to come closer.
Sometimes certain cleaner disks will not be tracked to run for cleaning as it will not be read and so will reject. Hence it is ideal to manually clean the laser head eye using a cleaning swap /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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