Question about NAD C542 CD Player

3 Answers

Pressing the 'open' button on my NAD C542 CD Player no longer opens the disk drawer. Any suggestions to fix this would be appreciated. Regards Michael

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  • Graeme Ross
    Graeme Ross Aug 04, 2010

    Hi Michael



    Do you hear a motor running in the unit when you press the button.



    regards

    robotek

  • mandlwalsh Aug 04, 2010

    Thanks robotek. There is no sound of a motor running when I press the button (on the unit or on the remote). All that happens is that 'OPEN' is shown on the LCD.

    Regards

    Michael

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  • 1,512 Answers

G'Day Michael,

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.

Pressing the 'open' button on my NAD C542 CD - 2a8af3a.jpg
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

regards
robotek

Posted on Aug 04, 2010

  • Graeme Ross
    Graeme Ross Aug 06, 2010

    Hi Michael, any updates?



    regards

    robotek

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Hi. I just wanted to Add that I had exactly the same problem recently - display says open but drawer will not open. The cd player worked fine as long as you wanted to listen to the disc that was stuck inside! After reading the answers here I decided to open it up and see if I could find the problem. I took the cover off and the front panel off and also removed a few screws holding the cd transport mechanism down and manually opened and closed the drawer a couple of times. After part reassembling and powering up again I found the drawer was working again. I can only conclude that the cogs of the mechanism had become jammed somehow. Now it works fine and still sounds good. Worth a shot if you have the same issue. Tom

Posted on Dec 31, 2011

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You might want to try accessing behind the front plate sometimes the button is not making contact with the board. OR

The eject mechanism needs to be replaced. There is only two probable causes here. If the remote eject works its the button if not eject works jecked for a jammed mech. Thanks

Posted on Aug 03, 2010

  • Grand Canyon Tech
    Grand Canyon Tech Aug 04, 2010

    If you hear no motor running sounds like you got a motor that went out on you thus not wanting to eject. Thus motor would need ot be replaced as the cause.

  • Grand Canyon Tech
    Grand Canyon Tech Aug 04, 2010

    Most cases these have little bands that wrap around the ejector motor and the mech gear when these get old they Dry out and become uneffective, I am just wondering if you have the unit open so we can check this fact or not?





    let us know

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