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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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Cleaner disks are a waste. You're better off cleaning the lens with a cotton swab and rubbing alcohol

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Stereo will not play sound when CD is inserted. tuner works fine and the stereo says the cd is playing but there is no sound... HELP!!!


hello sir hi, If the CD is playing, but is no sound coming out from the player, this may be the likely trouble. sorry there are no quick fix for this.
  • check for selector switch contact, a faulty switch with poor contact does not connect the correct circuit where the signal of the CD should go to be amplified.
  • dirty or loose CD lens contact, a visual circuit inspection is needed here.
  • signal break from the CD lens to the power amplifier is needed to be checked, this requires to be checked by a technician with an oscilloscope to trace where the signal got lost. this is the best way to find the trouble.
  • The spindle is not spinning or spinning fast to properly read the disk. OR
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If the price of service is higher or very close to a new one, i guess its time to buy one.

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I have a NSX-V70 stereo. Tapes and CD do not work, FM/AM is fine


Your unit needs a little TLC. Let me address the likely problems/solutions:

1) Tape deck stuck - The most common problem here is that the belt has gotten slippery. This has prevented the mechanism from resetting to a known position and that is what prevents the door from opening. Hopefully when you pried it open, nothing bot broken.

2) Both tape drives run from the same motor and use different belts. The same applies to the second deck as the first. The belts are sliping and need to be replaced.

3) The CD lens is probably dirty and needs to be cleaned. The fact that the CD stops and an attempt is made to play it suggests that the optics are working enough to detect the disc. Clean the lens using a cotton swab and alcohol and that should resoplve the CD problem.

If you have not opened up these before, I would not suggest you start without someone around who has. There are 3 belts that need to be chagned for the cassette section to work. Plan on $15-$20 for the belts.

Dan

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Same model, same problem. (CX NA-50) I have one that worked great for two years (at best) and I haven't used it since then. I recently decided to look for a solution via the internet.
I read somewhere else that there was a class action settlement with aiwa (now expired) since many of these units had this problem. 

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Looks like the lens of the player is dirty or damaged. Try a lens cleaner CD first.
http://www.buy.com/prod/maxell-cd-340-cd-lens-cleaner-lens-cleaner/q/loc/111/90049765.html
If it doesn't work then you will have to get the lens replaced. Since the Player is still under warranty use while you still can..

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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

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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 :)

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The laser lens in your CD might be dirty or failing. Try the following solutions: Clean the laser lens with a DVD player lense cleaning disc. Lense cleaning discs are available at many electronics retail store. Sorry i can't help you more.

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