Question about Sony CDP-CE315 5-Disc CD Changer
Disc tray will not open
Posted by Anonymous on
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Posted on Jan 02, 2017
I got a free one of these from my work...well that is because it was having the same problem and they didn't want to mess with it haha. Sooo...I brought it home..thinking i could just buy a cd cleaner kit and clean the dirty lens..which is what normally causes these problems. To my dismay this didn't work (later found that the lens is a good half inch away from the disc)..so i decided to open the bad boy up (hey I got it for free...no harm crackin it open :-) ) After hitting the lens with a can of air..I tried again...no go. And just so you all know...this player runs vertically..not horizontally. I want to know how does the player read? the lens in stationary. All other players i have seen the lens moves up and down. I'm thinking it might have something to do with that. I gave up on cleaning it and started doing some searches..this was the only forum that was somewhat helpful. I agree with Silverscreen. When i watch the cd's playing the disc wobbles SLIGHTLY up and down. I think the rear stand-alone wheel is a bit too loose. ..The amount it wobbles is hardly noticed but is the only thing i see out of the ordinary.
Posted on Mar 10, 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
I think CD Mechanism needs service and might required belts replacement.
You need to get service manual of your CDX-C225 model to do this job as manual contains all technical info about mechanism etc.
Posted on Nov 07, 2008
After some time it was showing some C 31 00 error. I searched on internet, opened the top cover, there is the CD changer and my cd was stuck in there, I pushed the CD from finger and there it goes... on press of eject it came out... thanks anyway...
Posted on Apr 03, 2009
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