Question about NAD C542 CD Player
Posted by Anonymous on
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Posted on Jan 02, 2017
Having fixed thousands of CD players in my career, and also being a NAD Authorised service guy from 1989 till recent times, I can comment with some authority to your situation, and correct some of the ill found assumptions given to you already.
This unit uses a KSS213c transport. Very common and used in many machines, also relatively reliable.
The drawer load motor is not shown above. Is will be mounted on the black plastic load assembly. The drive belt/motor for it will be under the tray runners.
If you do not hear the motor run, then it WILL NOT be a broken or failing belt. However, this is the most common problem with this style of transport. I would be checking anyway to see, the load motors do free run fairly quiet with no drive belt connected. Wind the tray assembly out by hand by kicking the gears over to open the draw to see the belt/motor
Because you cannot get it to work from the remote, AND you have "open" indicator on the front panel, it WILL NOT be a faulty front panel button(never seen one fail ever!)
I have never replaced a load motor to a Sony transport. Spindle motors can be a problem, but they never stop working altogether.
I would be checking the tray mechanics, a jam caused by something fouling the gears may cause a fail. Tap the front of the draw as you press eject to see if you can encourage it to work.
Sometimes, small nylon drive pinions can split, the excessive gap in the gears caused by the split causing a bind. Check also for blown pico fuses in the servo drive stage. This will cause no drive to the load motor.
If you cannot pin down the source of the problem, the player IS welll worth repair. These machines sound great and would have cost you a few bucks to begin with. If you need help locating an expert NAD authorised repair guy I can help.
Happy to discuss any of this further with you. As previously direct your comment to me by name. Cheers
Posted on Aug 04, 2010
SOURCE: my Nad C542 stop read
how long have you been using this player? I suspect the laser (lens) of the player. I think the laser (lens) is weak that's why it cannot read data/files on CD's effectively. That's why it stops reading.
Get a lens cleaner, use it to clean the lens. If that doesn't solve the problem, get a screw driver, open the player's cover so that you can gain access to the lens, use a cotton board to clean the surface of the lens. This should clean dust or dirt that might be on the lens.
If non of the above solves the problem, then know that you need to replace the laser to a brand new one.
To replace the lens, remove the bad laser, use it as a sample to get exactly the same type and do the replacement. Note that replacing a laser (lens) needs a professional touch, so if you cannot replace the laser, get it to a repairman to fix it for you.
Once this us done, your player will play all DVD discs again.
Posted on Jan 14, 2011
SOURCE: Nad C542 Troubleshooting
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 !!
Posted on Apr 20, 2013
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