20 Most Recent NAD C542 CD Player Questions & Answers

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 !!

A small motor turns a belt, which then drives the gear that operates the drawer. Over time this belt stretches or breaks, and the drawer doesn't open. Replacing the belt cures the problem.

I've looked at the couple of belt catalogs I have, and nothing for NAD is listed. You'll need to measure the old belt circumference and thickness. Almost all of these are square belts, usually in the range of 2.5 to 3.5 inches circumference. If you're measuring the old belt, take off 10 to 15% since it has stretched.

A local electronic service shop may have a suitable replacement. Otherwise there are many sources online (MCM Electronics is one I deal with frequently here in the US). In a pinch, you can even use a small rubber band until you find the right replacement.

Hope this has helped. Thanks for using Fixya!

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.


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

no display could be a problem with the inverter circuit that drives the display

usually a transistor goes bad around the display area

check the board for dry solder joints as well

sme CD players have an option to switch off the display, check its not turned off

usually a button on the unit or the remote

darren

the tray opening by itself could be a faulty limit switch on the tray mechanism

the switch tells the system if the tray has reached the open or closed position.

if it closes then opens itself then this is the most likely

check that first

could be closing then opening without actually loading due to the switch

you will need to open it up to find the switches

usually at the bottom front were the tray goes in

darren

It sounds like a physical problem in the laser seek mechanism. Possibly a sticky area on the guides. Heavy reading for all malfunctions related to optical disc...

http://www.repairfaq.org/sam/cdfaq.htm

Hello,

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.

Good luck.

Once this us done, your player will play all DVD discs again.

Good luck.

Hello
there are two option of such fault
1. lens is dusty, clean the lens using moist cloth/cotton 2. lens got bad need replacement
third option is CD is faulty/scratch
hope it helps. do rate if so

Hello
This fault is due to loose tray loading belt or weak loading motor. You just change the loading belt with same type. Never use a belt more than tight. Use the same size. If belt changing does not help, replace the loading motor. OK.

Hello,

The first thing to do is to clean the lens, but not with a lens
cleaner, they sometimes help but are often worse than useless
and just spread the dirt around, if not actually damaging the lens.
If you are just marginally more than curious then, it takes 5 minutes
but you have to open up the player.

But this sounds more like a mechanical problem, possibly as simple
as the need for cleaning and lubrication.
You will have to get under the clamp to access the lens and spindle on drawer loading models but the lens and its suspension, at least, should be readily accessible on portable CD players with pop-up doors.

Objective lens - Carefully clean the lens assembly. Be gentle! The lens is suspended by a voice coil actuated positioner which is relatively delicate. A CD lens cleaning disc is nearly worthless except for the most minor dust as it will not completely remove grease, grime, and condensed tobacco smoke products (yet another reason not to smoke!) and make matters worse by just moving the crud around. First, gently blow out any dust or dirt which may have collected inside the lens assembly. A photographic type of air bulb is fine but be extremely careful using any kind of compressed air source. Next, clean the lens itself. It is made of plastic, so don't use strong solvents. There are special cleaners, but isopropyl alcohol us usually all that is needed for CD players and VCRs. (91% medicinal is acceptable, pure isopropyl is better. Avoid rubbing alcohol especially if it contains any additives.) However, sometimes, a drop of water will be needed to dissolve sugar based crud. There should be no problems as long as you dry everything off (gently!) reasonably quickly. DO NOT LUBRICATE!

Take care.