Question about Sony MegaStorage CDP-CX355 300-Disc CD Changer

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Sony megastorage 300 cd changer

While playing a disc , the disc skips or jumps back and repeats segments of the music.

Posted by Janet Ahner on

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  • DutchA1 Jan 20, 2009

    Some disks play fine, others have problems new,old or CD-Rs. Sometimes if I get it past the first track it will play fine.
    It has gotten worse as the machine gets older.

  • hoghaven Mar 28, 2009

    Have tried multiple disks, even bought a disk laser cleaner. Disk will start to play for three seconds, then skips, plays, then jumps back. Can't get past Track one. If I move it to Track three it plays fine.
    I checked Sony and they do have an exchange program, $116 to exchange for furbished unit. Do you think it is better to exchange or take to a local repair?

  • Anonymous Mar 26, 2014

    music jumps while playing



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Hi There are many things that can cause your problem, I can tell you the most likely ones, but I recommend you don't take the unit apart, as the mech. in a 300 disk changer is complicated & delicate, and you may just cost yourself alot more money than getting it repaired. The symptoms you sescribe can be caused by failing laser pickup, dirty laser lense (especially if you've done home renvations with drywall), split drive gear that moves the laser on the sled rails, or even a hair or piece of dirt in the gear teeth of that same gear. The unit will play fine, until it hits the tooth where the debris are, then it skips, or jumps back a bit and starts again until it hits the same spot. Also..badly scratched or finger printed disks will cause that, but that is the first thing most people check. I wish it was something you could repair yourself, but my best advise is to take it to a reputable repair shop, and hope it is not a bad laser, as that is a fairly expensive repair. Hope this helps, Good Luck!

Posted on May 04, 2007


mark bower

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Sony CDP-CX300 CD player skipping

I applied gun oil (a thin oil that says it has silicone in it) with a Q-tip to the single metal laser guide rail. That eliminated the skipping problem. Such a simple fix: remove the cover, dab a small amount of oil on the rail. Amazing that something that simple solved the skipping problem. I had observed that the CDs always started skipping between 4.18 and 4:54 minutes. That was an indicator of a "location problem".

I had previously done some disassembly and cleaned the black "split drive rack"(gear), then re-lubed it with white lithium grease. This lubrication did not solve the skipping problem.

Detail: I removed the cover, then reached into the access to the metal guide rail with a Q-tip moderately saturated with the oil, and wiped the accessible guide rail surface; the "backside" of the rail opposite the access area could not be reached for lubrication without further disassembly. But I reached around "behind" the rail as far as practical. Access to the rail is located at the rear left of the player when looking from the front, and in between the black plastic. Look for the shiny metal shaft (rod). This is a very easy user task to accomplish and should have been included in the manual.

These players are not sold anymore, but it sure is convenient to load up as many as 300CDs.

Posted on Jan 15, 2016


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On your remote control, disengage the "repeat" play button. Normally its under the "play" button control, but make sure the "display window" of the player does indicate change settings.

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Could be some dust or debris in the unit. Also be careful that you are not putting fingermarks near the hole section of each CD you put in, as the CD plays from the centre out.

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When a disc is playing, the music just stops and comes back on in a few secons. I thought it was my speakers, but I bought new ones and it still happens.

i just repaired one last week that had bad connections where you plug the rca plugs -red-and white into the unit ,, jiggle those plugs and see if that is the problem if so they will need to be soldered

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I have a 200 cd mega storage unit from Sony that skips during songs and from song to song

Try cleaning the optical pickup, if it doesn't work you'll need to replace the pickup.

Dec 23, 2009 | Sony MegaStorage CDP-CX355 300-Disc CD...

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CDP CX355 Seems to Skip- sound similar to what happens with LP record when dirty.

If the player "skips" after 15+ seconds the likely problem is the split rack&pinion used to position the laser. The split rack is sprung to remove play or backlash when meshing with the driver cog. This split rack can jump cogs over time, eventually becoming ineffective. The solution is to remove the laser assembly and gently disengage the driver cog, compress the split rack and re-engage the driver cog. This should solve the skipping problem.

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optical pickup needs alignment, try cleaning first ,if no results..needs new optical pickup

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