Question about Sony CDP-CE315 5-Disc CD Changer
Push the open/close button and nothing happens but cd changes.
SOURCE: Sony CDP-XA30ES CD Player
Try opening up the top and cleaning the lens using a cotton swab and alcohol. If that does not resolve the problem, look at the back side of the optics and there should be a marking like KSS-xxx. This is the generic part designation. Any electronics supplier that supports Sony should have these.
Posted on Apr 08, 2008
SOURCE: Sony CDP-C505 door stuck open
The slider mechanism, depending on the age of the unit and the
manufacturer, consists of the small chrome rail, a drive motor, a small
gear assembly, and (in some units) a small belt that drives the slider
unit via the motor. This small belt causes all sorts of problems. If
the belt is broken or slipping, it can cause skipping, dropouts, or
simply no start up at all. Also, if the belt breaks in the middle of
the disc, the drive mechanism gets hair or dirt wrapped up into the
gears, or the pick-up assembly doesn’t return to the start position
(called home), the unit will (99% of the time) refuse to release the
disc, causing it to become stuck inside the unit. There’s a little
micro or leaf type switch located at home position that sometimes gets
dirty or breaks and, causing this problem also.
If the disc starts to spin slowly and doesn’t come up to speed, the spindle motor that’s attached to the turntable platter is a common problem. There could also be a problem with the spindle motor driver controller IC or the power supply regulator that supplies voltage to the driver IC. If the disc starts to spin and then spins really fast, or stops and starts to spin backwards, your problem is the laser pick-up assembly or the servo control circuit. If you continue to have problems after cleaning and checking the other things listed above, you may have a problem with the player's alignment. Of course, one of the problems you'll face checking alignments on a DVD/CD player is that you’re going to need to use an oscilloscope on most of them. If you have the proper tools and equipment, the first thing to look at is the RF pattern of the unit while its playing. It should be a sharp and clear pattern. If it's dull and smeared, then the laser could be weak.
Also, in these units are very critical alignments called the focus/tracking gains and offsets. When these alignments are off, it can often cause intermittent troubles. As the unit ages and parts change value, so do these alignments, and will need to be checked. In my time as service technician repairing DVD/CD players, 65% of the laser pick-up assembles I have tested were good and only needed a small adjustment. Today's technology makes it unfeasible for a shop to hook up a DVD/CD player, and even some recorders, to their equipment and make these adjustments because of the cost involved.
Hope this may help;
DON'T TO FORGET TO RATE
Posted on Aug 17, 2008
SOURCE: jammed tray
Hi there, had a similar problem.
This unit is easy to open. the four screws on the sides and two i think on the back. When it is open you will have access to the discs in the machine. the last disc will probably be jammed between the facia and the caddy and will be impeding the carousel mechanism, once removed you should check the functions starting with eject, and again to cycle, load disc position 1 insert disc and check. this player i think rotated the disc on loading to a set position, would have to open one to check. hopefully the carousel is not out of sync and all is well.
Posted on May 01, 2009
Your goin to need to re align the tray , your gonna need the service manual for this purpose. Go to this link :
http://www.nodevice.in/manual/Sony/page15.html ,hope this helps you, AJ
Posted on May 07, 2009
You will have to replace all belts, this unit all most 20 years old, probably could use some cleaning and re-greasing too.
Posted on Nov 02, 2009
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