Question about Aiwa NSX-D70 CD Shelf System
The CD player doesn't work. I haven't played any CDs on it for a while. Could that have something to do with it? What can I do to get it working again?
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Posted on Jan 02, 2017
SOURCE: AIWA CD Problems
Sounds like the lasers need a POT (potentiometer) adjustment. Tools you will need are a multimeter with Ohms (preferably digital) either a #1 or #00 and #2 philips screwdriver. You will need access to the bottom of the laser. On the units I've worked on the POT faces the back of the unit. It will look like a philips head screw in a square metal casing. You should not need to completely remove the CD tray assembly but you can if you wish though I recommend removing the tray bezel Look for two legs on the side of the POT casing that go to the laser PCB. Measure the resistance across the two legs for an initial reading. On mine it was exactly 1kOhm. Now take the #1 or #00 philip screwdriver and adjust the screw to lower the resistance. POT screws are typically EXTREMELY sensitive so 1/16 of a turn can make a big difference. Start by lowering it by about 20-25%. So if the initial reading was 1kOhm aim for 750-800Ohms and test. You should use several disks for testing. If your unit is capable of CD-R/RW playback then have those available as they are generally more difficult to read. If you have playback gradually increase the resistance 5-10% until the disk is no longer readable or struggles to read. Now lower the resistance again 5-10% and retest. If all works well reassemble and enjoy. It is necessary NOT to lower the resistance too much as it will shorten the life of the laser and if too low could damage the disks. If you must go lower than 25-30% the laser is not worth salvaging. Typically 10-15% is all that is required. If you need more detail I recommend doing a search for 'xbox POT adjustment' as the procedure is essentially the same for all lasers and some xbox sites have good pictures so you can see what your doing before you dive in. Total repair time per unit will be 1/2 - 1hr, mostly spent in all the testing. Hope this helps. Good luck
Posted on Jan 29, 2009
SOURCE: CD-R Playback Issue
Have the same problem with one of the cd-players in my home. A technics cd-player. Some fo the home-burned cd's work now and then. Sometimes it plays them, sometimes not.
Posted on Jul 07, 2009
Either the glass laser eye lens needs to be cleaned with rubbing alcohol and cotton swab, or the laser lens unit itself is faulty. You may be able to get one from ebay, newegg.com, amazon.com or etech.com
Posted on Sep 16, 2009
Make a note of how the belt fits, then remove it and measure the diameter. Then buy a replacement, belts do go bad from time to time, so a new one might cure the problem. Put the diameter size (to the nearest mm result, IE: 50 or 55mm, not 52mm! Into google and "cassette belt" and you should find one for the job.
Posted on Feb 27, 2010
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