Question about NAD C542 CD Player

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No disc All attempts to make the machine see a disc fail. Has not been used for a whil, under a year old with light use. After loading a disc, the cursor flashes for 10 to 20 secs and then reads 'no disc'. No sound comes from the machine during this process. Any suggestions

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Re: no disc

Try using a cleaning disc, if that doesnt work take apart the unit and manually clean the lens. If that doesnt work your going to have to take the unit in for an estimate. If its more then two year old and you paid less then 150 bucks for it , it probably is not worth the estimate fee. good Luck

Posted on Aug 26, 2006

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Discs not playing

Don't know this issue with this particular player, but have had other Technics (Matsushita, Panasonic...) CD players doing something similar to this. In most cases, those were carousel players instead of single disc players like yours. These units had optical sensors that determined the presence of CDs in each tray slot by determining whether light was blocked from its LED to its sensor when a disc was present... no light at sensor meant that there was a CD in the slot. The sensors interpreted a shadow as an indication of a disc in the tray. I've had these sensors fail and not be able to determine that a disc was blocking its light signal... the players didn't "see" discs so they wouldn't play them. Solutions varied, but cheapest, easiest solution was often to open the player and blind the sensor completely with a piece of black electrical tape. Most of these sensors I have encountered got too sensitive, so that any light at all inside the player was seen as an empty slot. Blinding the sensors "fixed" most of these players, but disabled the ability to really tell that any given tray slot was empty.
Or, since it is an old player, there is also the possibility that it has simply run its course and the laser assembly has failed.

Good Luck.

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Out of the blue, our 3-yr old single disc Bose Wave system has begun "Reading Disc" upon insertion of a CD (this is normal); but then returns a "Not Playable" error a few seconds later. It happens with...

This _might_ be caused by dust or dirt on the read lens of the CD player. The lens projects and reads a beam of light that is bounced off the surface of the CD surface to play the tracks.

Open the lid as if to load a CD. Remove any existing CD. Direct a short blast from a can of compressed air at the lens - or you could use a small artist's paint brush and gently wipe the surface of the lens to dislodge the dust, etc. Do not touch the lens with fingers. etc. as any oils will disrupt the light - and attract dirt and dust.

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Aiwa cxzr525 cd player. After loading under the eye cd does not spin or play. It just clicks. I tried a cd cleaner disk and that did not work. Is it the same as a lens cleaner? What else can I try? Thank...

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My one-year old Marantz CD5001 CD player

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it's a 90% chance the laser is dead!
philips realised the unreliability of this laser and uprated it to the identical looking VAM-12.
do not dismiss the spindle motor as these also fail quite alot on this mechanism.

hope this helps.

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To ensure proper working of the set we recommend the use of PHILIPS audio CDR and audio CDRW discs only'
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found same problem with mine, solution .. place clean paper over the optic, then a magnet, leave for a few seconds, the build up of static causes a magnetic field in the optic preventing it tracking, have cured a few other brands with this as well .. shows manufactures are putting inferior parts in to their players, hope this helps !!

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2 Answers

'No disc'

Most likely a general service is required.As it is under warranty, take it iommediately to their Service Centre. They will clean the lens. grease the Drive Mechanism and Tray mechanism. Should - in all probability clear up the problem.

Aug 26, 2006 | NAD C542 CD Player

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