Aiwa 3-cd changer # CX-NAJ20U - 8ANF9-061 My CD'S are skipping even NEW ones. I have 2 different CD Player cleaners that I use but CD's still skip. Some how the CD'S come out of player scratched, it's like the lazer is loose or damaged. This is a FINE Stereo system if only I could use CD player. I purchased this Unit 8/2000 but really haven't used this very much. PLEASE HELP, I don't wanna throw this away like every thing else made in CHINA. I've been shopping for stereo systems and nothing available has the Quality andf features this has. HELP ME FIX IT Michael Young

It takes 2 AA Batteries, but you can use rechargeable batteries. There is no AC lead for it.

Yes you have to use headphones as it has no internal speaker. You can use a wired, powered amplified speaker system which plugs into the headphone jack.

https://www.google.com/search?q=Coby+CX-CD329+manual

Coby CX-CD329 Personal CD Player (Discontinued by ...

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Coby CX-CD329 Personal CD Player (Discontinued by Manufacturer) : Coby: Amazon.ca: Electronics.
Batteries: 2 AA batteries required
Includes Rechargable Battery: ‎No
Batteries required: ‎Yes Rating: 3.5 · ‎138 reviews · ‎$97.67 · ‎In stock

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Coby Personal Portable CD Player & Stereo Headphone CX-CD329 New. ... The Coby CXCD329 Slim Personal CD Player with Anti-Skip Protection is a simple yet ...

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COBY CX-CD329 CD PLAYER USER MANUAL ' ManualsLib

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View and Download Coby CX-CD329 user manual online. Portable CD Player with 60 sec ASP. CX-CD329 cd player pdf manual download. Also for: Cd329 - cx cd ...

hi there.
Use a lens cleaner to clean your CD player's lens properly. Unscrew the top cover of the player and locate the laser lens, which is located just adjacent to the central disc drive. ... If theCD player is still skipping after the lens has been cleaned, there is likely a hardware problem that needs to be solved.31 Mar 2015

How to Fix a CD Player That Skips ' Techwalla.com

https://www.techwalla.com/articles/how-to-fix-a-cd-player-that-skips
Why does a CD player skip?They don't scratch as easily as vinyl LPs, but I've damaged half a dozen CDs over the years. If a CD is skipping, first give it good clean using a CD wipe or mild soap and water. Dry carefully with a lint-free cloth in a straight line from the centre to the edge. Rubbing in circles can cause more damage.12 Aug 2005Buyer beware: to fix a CD that skips, first try good old soap and water ...www.telegraph.co.uk/.../Buyer-beware-to-fix-a-CD-that-skips-first-try-good-old-soap-an...Search for: Why does a CD player skip?
How do you fix a CD player that skips?Clean the CD if it skips or the player can't read it. Use a clean lint-free cotton cloth and make sure the CD is not scratched. Use a lens-cleaning CD in the player. If you can access the lens without opening the case, clean it with a cotton swab and lenscleaner.12 Jul 2010How to Troubleshoot a CD Player - YouTubehttps://www.youtube.com/watch?v=xAlPb7NBvz4Search for: How do you fix a CD player that skips?

or try this link for more help if you need it.
cd player skips Google Search

Hello,

how long have you been using this player? The problem should be from the lens (laser).

The lens is weak and that's why it cannot read/load Cd's. The weak lens is also what's making it skip.

Get a lens cleaner and use it to clean the lens, but if the lens still does the same thing even after using the lens cleaner, then it means you would have to change the whole lens completely to a brand new one.

By so doing your player would play all Cd's with no problem at all.

Take care.

yes here is a simple easy way to get them to stop skipping, stick them in the freezer portion of your fridge, only if the cds have scratches on them, even the smallest scratch can cause a perfectly working cd player to make the cd skip, stick the cd in the freezer for about 15 or 20 mins and pull it out and play it, i have used this method for a lot of my video games as well and have never had to buy any "cd player cleaner cds" i hope this helps

At some time in its life, the laser that reads the CD starts to get too weak to operate reliably. That's probably what's happening here. Unlike mechanical parts that can be inspected for wear, electronic parts tend to work fine one day, then the next, poof. The laser assembly is replaceable if you can locate the part and find someone to install it. An electronic service shop could give an estimate for repair. If you can provide the full model number, I'll see if I can find the part number.

lens cleaner does not work use meyl spirits

To switch to the 24-hour standard
Press CLOCK while pressing SHIFT on the remote control and
then press S within 4 seconds.
Repeat the same procedure to restore the 12-hour standard.

This can happen for several different reasons. 
1. The dampers (oil filled shock absorbers) are leaking and need to be replaced. You can check this by taking the unit out and opening it up and then remove the CD deck. In each corner of the CD deck you will see a small rubber looking device that the internal mech floats on when a disc is engaged. It is attached to the internal mech by only a small metal peg. Check each corner for these. Make sure they are not leaking anything. It is usually a white looking substance that feels like grease. Ant time even one of them go bad or get popped out of place, it will skip on every bump.
2. Try cleaning the lens. Sometimes a dirty lens will make the CD player skip much easier than it is supposed skip. You can buy a cleaning disc at most retail outlets that sell CD and DVD players. Run it as directed in the instructions. 
3. one or more springs are streched out a little. These mechs have many springs in them and if one is a little streched it will cause skipping. If you find a loose spring, it will need to be replaced.
4. Weak laser output. A weak laser will also cause a unit to skip. If this is the case the laser pick up will need to be replaced. There is no fix for a weak laser other than replacing it.
5. Spindle motor problems. A spindle motor with even a tiny bit of oxidation in the windings can cause skipping when you hit a bump. 
There are also a few other things that can cause this same issue. It is not an easy thing to fix without some training on this type of equipment. 
Is this an "Aiwa"  or is this a factory unit that cmae with the car when it was brand new. I don't think that Aiwa is an OEM radio, but I could be wrong. I fix aftermarket radios only.  So I am not real familiar with all the OEM models. 
If this is an aftermarket Aiwa radio, you should take it to a service center to get an estimate. If it is an OEM radio, it is most likely going to be very expensive to fix and a good aftermarket radio would really serve you better. 
I am sorry if this is not the answer you were hoping to get, but it is the truth so I hope you will not punish the messanger for bringing bad news.
Anything less than a "helpful" rating is a very bad rating meaning that you got no help or that the help was not related to the problem. I spent a lot of time putting this information out here for you for free, so I only ask that I get a decent rating for my trouble.
If you require any more help feel free to post another comment on this thread with any questions you may have. I will be happy to answer them for you.
Dave

I had a rca system similar to this little different. It's a problem you'll find in any cd player after awhile. You'll need to replace the laser. It's quite easy google for some instructions to replace a cd laser. Look around for a laser that can read cd's and cd r and cd rw and you'll be ok. The disassembling might be a bit tuff but it's worth it. I had to replace my hifi laser and after i did sound was incredible again no skipping. Make sure when opening your system you power it on and unplug it to make sure all charge is gone wait 30 minutes or so before you go and operate.

my cd changer skips alot i dunno wht to do i cleaned it it woorks fine while sitting still but as soon as i drive it skips:(