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Cd player multi play problem

My AIWA NSX-V70 has a 3 disc cd player. Typically only one of the cd,s is recognised, sometimes none at all. Is there a solution?

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  • dav1892 Apr 19, 2008

    I took off the cover for the first time but was unsure which was the laser lens. How can it be identified.

    dav 1892

  • dav1892 Apr 21, 2008

    Being new to this site I did not fully appreciate the sensitivities of the rating system, I apologise for this. It would be helpful to me if you could enlarge on your first answer.

    dav 1892

  • bahjwh Sep 23, 2008

    how to you clean the laser lens on the NSX-V70- I have never done so before



    Brenda

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Hi dav1892

These units are notorious for getting a layer of dust on the CD optics laser focal lens. You need to give it a clean with a cotton bud moistened with Windex, and then a dry wipe to be sure that there is no smearing left. See how that goes, and get back to me here if it does not fix it.

regards
Graeme

Posted on Apr 14, 2008

  • Graeme Ross
    Graeme Ross Apr 19, 2008

    hhmmm, A thanks for trying rating brings by overall rating down by 10 points... now if you had given me a fixya,or even a helpful, i may then have made the time to follow up with you, change the rating and perhaps I will :)



    regards

    Graeme

  • Graeme Ross
    Graeme Ross May 04, 2008

    would have been happy to for a rating appropriate to advice given ... good luck with your problem mate:l

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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.

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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 ;-) )

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