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CD player The CD player on my Akai NSX-A959 home stereo suddenly lost its sound. Browsing solutions suggest that there might be a dirty lens but, who knows where that lens is or how to get to it to clean it! The CD drawer slides out but that's it. Now what?

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  • brian jenson Jul 28, 2013

    I have this model, i thas five disk player and lots of fancy efects that i neversed. I paid over $400 for it from J and R music wold. The first year, the casette player didn't work, then the volume where you turn the knob up and the sound goes down, and the other way round, now the cd player won't respopnd. this product is junk. Don't know if J & R mustc world in New York solddefective products

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Lens doesnt come out.You must remove cd player's cover to have access there.
But also check if cd is heard rotating or not when insert it in.
i.e cd drive belt is ok? if not replace it.

Posted on Feb 18, 2008

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Hiya! The lens is inside the machine, you can easily clean it with a cleaning disk such as the following:

http://www.amazon.com/Memorex-CD-DVD-Player-Laser-Lens-Cleaner/dp/B00008EM7U

If you have lost sound completely, that may not be your issue, but it's inexpensive and worth a try.

Good luck!

Posted on Feb 18, 2008

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The CD plays one or two songs and then stops and the sliding doors open


This indicates the CD player is having issues reading the disc. Here's my fix on dirty CD lenses:
CD just says loading
This can be as simple as a dirty CD lens. CAUTION!! The lens is delicate! I wipe CD lenses with ONE drop of glasses cleaner on a Q-tip and, starting in the center, wipe in circles to the outside. Do not press down! Do not force the lens side to side. It will move while cleaning but don't put more pressure than needed to move the lens 3/4 way down!
Its a cheap test to see if there is a fingerprint on the lens. (You won't be able to see it - does not take much)
If this does not help, it means it needs a laser or worse.

Apr 19, 2010 | Sharper Image Slim One-CD Stereo with...

1 Answer

Have a pioneer cd player model number PD-Z560T. Has started making my cd's jump while i'm playing them.Have tryed cd lens laser cleaning disc but still no good any ideas?


Hi,

My cd unit on the pioneer pd-z560t also jumps. I also tried lens cleaner, with no luck.

It was suggested to me that cleaner is only any good for a good - but dirty - lens, but no good if the lens has actually deteriorated and become weak.

I would be curious to know how a lens could actually deteriorate pls.

plese try to reply to: clerical@live.co.uk

Thanks
Andy

Nov 01, 2009 | CD Players

1 Answer

My sony MHC-GX99 stereo will not play my cds.


Some possible causes:

a) dusty laser lens - cleaning it is the solution, you may use the lens cleaner disc (the one that uses liquid), this can be purchased in many shops. I prefer to clean the lens manually, using a cotton stick and some ethyl or isopropyl alcohol (DO NOT use acetone, benzene or similar strong solvents, these will ruin the lens).

b) dirty brush contacts inside the spindle motor (i repaired quite some CD players that had this kind of trouble). They cause the motor to spin with less power so the driver tries to compensate putting more power into the motor, which causes a feedback effect on focus (it may not work properly). The best solution for this is to replace the spindle motor (if you can find one), the second best solution is to clean the brushes and the commutator (that's what i usually do), but this is a pretty delicate and somewhat complicated procedure since you have to open up the motor, clean it and then put it back together in a correct way. I wouldn't recommend doing this unless there is absolutely no way to obtain a new motor (if you are truly interested in learning how to do it, post me a message, i'll explain it).

c) the main power switch has oxydized contacts, which means that the voltage on the primary of the power transformer is a bit lower, and, consequentially, all of the secondary voltages are lower, too. I know it may sound weird, but i had some players in which i cleaned the lens (on BOTH sides plus the mirror inside the laser), opened and cleaned all of the motors, but they would still not work correctly. Only after i've cleaned the contacts on the main power switch did they return to normal functioning. Obviously it's much easier to change the switch to solve this (if you have a spare one). You can check if the switch is the cause if you bypass it (you need to bring the mains voltage directly to the primary of the power transformer, but do it with caution as mains voltage can be LETHAL to you and your CD player - i don't recommend this either if you're not trained in electric safety).

These are just some of the possible causes. It may as well be that the real cause is something else, so don't take any of these for granted, they are just suggestions.

Anyway, i hope you can fix it (or at least have someone do it for you).

Good luck and best regards

3rq8 (triarcuate)

Jul 16, 2009 | Sony CD Players

2 Answers

I have two aiwa nsx-d737 stereos with basically the same problem. On the one, the CD tray will not oepen and the display shows that it is playing a CD when it's not. On the second one, the CD tray will...


Hallo! Mayby you can sell my one of your aiwa nsx-d737 stereos? I've been dreaming to get it for a long time, but I can't find it nowere in Russia. I ready to pay all transportation costs and expances. May I also ask you to write me back on e-mail zhivulko@gmail.com even if you can"t or do not want to sell it?
A milliomn thanks))) Olga

Jul 13, 2009 | Aiwa CD Players

2 Answers

CD Player won't read disc


sounds like the cd mechanism is not completly loading, or chucking..when you tip it back the cd can move freely, need to check belts, possibly slipping

Jul 05, 2009 | Sony CD Radio Cassette Boombox, CFD-E90...

1 Answer

NAD C521i four year old. Usually fails to find cd's When it does tracking and sound is bad.


I've dealt with this type issue quite a bit.
Believe it or not the drawer belt needs to be changed.
If the drawer isnt drawn all the way into the unit...the disc motor wont spin and ....you get rejected
Also the lens on the laser could be dirty.

Take it to a tech . Try a local stereo store . They should know who's best.

Happy new Years,

Scott

Dec 11, 2008 | NAD C521 CD Player

1 Answer

Aiwa nsx k570


i need the circuit diagram for the CD player in NSX K 570 Aiwa 3 CD changer music system . I am Located in mumbai colaba. 9819890987

Mar 18, 2008 | CD Players

2 Answers

I have an aiwa nsx 5200 mini system the cd player broke


Soooooooo many people have complained about this system not reading discs properly, yet the solution is incredibly simple. All you need to do is calibrate the lens, and you can do this without even opening the stereo! Here's how:

With the stereo all unplugged, turn it around so the back is facing you.

Now use a flashlight and, looking through the grating on the back, approximate where you think the cd lens mechanism would be. You should see 2 8-pin connector wires side by side (one red and one white) and to their right a small black circle screw type thing.

Using a screw driver, turn the screw thing about 1/10 of a revolution clockwise.

Plug in, and test with a clean cd. If nothing happened, repeat the procedure turning the screw thing in tiny increments (don't over do it.) Eventually, the cd player should recognise the cd. Keep fine tuning and testing until you've found the "sweet spot" where it recognizes and plays cds optimally.

Overall, you should NOT have to turn any more than a full revolution, and even half a revolution is pushing it. What you are really doing by turning this screw is fine tuning the "data reading point" of the laser. Too close and it will focus on the area between the cd and the lens, causing failure to recognize the disc. Too far and it will focus past the data perhaps recognizing the disc but not being able to read it. I believe the major problem with these players is that as they settle in, the area between the lens and cd changes. This would cause a gradual degrading in performance until the player finally failed to recognise any data at all (which is exactly how mine went personally.) There isnt a problem with the quality of the lens itself, therefore it is very fixable!

I have heard that all 3cd Aiwa Mini-systems share this problem so, as long as the calibration tuning screw is exposed through the grating on the back, this fix should work for any of the Aiwa mini-systems with this particular problem. If the screw isnt exposed, it is still possible to get at by opening and dismantling the player. (Unfortunately, i did not originally notice that the screw was accesible through the grating, so i went about pulling the entire system apart and wasting hours of my life. You can thank me later for saving you this tedious trouble as you're listening to cds on your newly fixed player ;-) )

If this doesn't work, or doesn't fix the problem completely, try cleaning the lens. You can do this by either by using a cd lens cleaner (looks like a cd with a brush built into it) or opening up the stereo and using a soft cloth on the lens. You may also want to try putting the screw back to its starting point and using the same procedure but turning the screw counter-clockwise. (I personally had to turn clockwise but who knows, maybe your player settled in differently.)

As for the mechanism itself, i have no idea. I did notice, however, that the lifting mechanism sometimes picks the cd up off-centered causing failure to play. You can semi-fix this by holding the stereo at an angle while it picks up the cd or placing it off-centered in the tray. Its annoying, but it works :)

Feb 19, 2008 | CD Players

2 Answers

Aiwa Stereo System NSX-F9


insert CD lens cleaner first, then try to load audio CD if do not work change the lens

Nov 24, 2007 | CD Players

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