Question about NAD C541 CD Player

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How to replace the belt of the tray mechanism of CD-Player NAD C541i?

When I opened the NAD C541i due to known problems with slipping belt I found the belt under a cover and covered by the tray even in position OPEN. So I want to remove the tray to get free access to the plastic cover and the pulley where I want to replace the belt. My problem is the tray, which hinders me. And I cannot find a way to remove it first.

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Posted on Jan 02, 2017

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SOURCE: NAD C541i CD Player plays but...

hi, i've had a few nad C541i's and not so long since the sound on one of them cut out for milliseconds and on some occasions the sound would make the noise very much like a severely scratched vinyl record, i thought it was a faulty laser so i tried another KSS-213C laser out of a scrap kenwood and the fault persisted. to cut a long story short, i took the main PCB out and there were various dry joints. once these were resoldered i was blessed with a fully functioning player. hope this helps?

Posted on Feb 02, 2009

  • 1 Answer

SOURCE: NAD C541i CD Player won't turn on

I recently bought a second hand C541i as is and I had the same thing; no power up. I took it to a service centre, they re-soldered the connecting pins for the transformer socket. It now works well.
After that I realised that it could have been the problem with the Burson Audio clock that was installed buy the previous owner but had intermittent playback problems. A study of the schematic revealed that the +12v rail for the clock, is from a different secondary coil winding than the +5v for the DAC etc. And the -12v for the analogue output stage could be from a different pin on the connector as well.

I hope this helps.

Posted on Mar 03, 2009

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My NAD cd player CD slot goes in and then opens...it does not retain the CD inside to play...


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.

Nov 21, 2010 | 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


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.

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

Aug 03, 2010 | NAD C542 CD Player

1 Answer

NAD C541 tray does not open.


if i'm right it will have the sony mechanism so if you take the lid off and unscrew the 2 screws, 1 at either end of the cd clamp and remove it, you should see part of a large cog just under the front of the cd tray, try turn this clockwise and the tray should open.
once open, you should be able to see a small plastic cover, loosen this slightly and replace the belt as this is prone to slipping on this mechanism stopping the cd tray from opening and also clamping the disc properly when closed.

hope this helps?

Mar 11, 2010 | NAD C541 CD Player

1 Answer

I have nad c541i,for last few days,it not reading the cd,as the disc goes in,there's a bit sound from the spindle which goes off after 5 secs,but doesn't read the disc,the screen keeps flashing like --...


this has the sony mechanism so if you take the lid off and unscrew the 2 screws, 1 at either end of the cd clamp and remove it, you should see part of a large cog just under the front of the cd tray, try turn this clockwise and the tray should open.
once open, you should be able to see a small plastic cover, loosen this slightly and replace the belt as this is prone to slipping on this mechanism stopping it clamping the disc properly when closed.
the sound you say is the spindle motor, is actually the loading motor trying to lift the whole laser mechanism up towards the puck to clamp the disc as there is not enough tension left in the belt.
help it along by hand and you'll see what i mean.

hope this helps?

Nov 21, 2009 | NAD C521 CD Player

2 Answers

My NAD C 541 cd player will not play any discs. I open it put the disc in and it tries to scan and then rejects the disc and opens on its' own. There is the word 'over' in red below the track number...


It could be the belt for the tray mechanism. Tray closes then motor is pushed up to CD. If belt slips or physical mechanism is sticky CD will not spin and tray will reopen.

Nov 09, 2009 | NAD C542 CD Player

2 Answers

My NAD C251i CD player isn't reading disks - platform stops short


To fix it, you need to replace the spindle motor top bearing. The bearing is worn and the player mistracks as the armature moves about under the changing drive conditions. Makes the player mistrack and skip. Because the disc is spinning fast.

Replacing the bearing should resolves the problem.

Hope this helps and have a great day!

Sep 01, 2009 | NAD C521 CD Player

1 Answer

NAD C541i CD Player plays but the sound cuts out for an instant every 10-20 secs. It eventually goes away, but it is annoying when you first play a disc. Any help appreciated.


hi, i've had a few nad C541i's and not so long since the sound on one of them cut out for milliseconds and on some occasions the sound would make the noise very much like a severely scratched vinyl record, i thought it was a faulty laser so i tried another KSS-213C laser out of a scrap kenwood and the fault persisted. to cut a long story short, i took the main PCB out and there were various dry joints. once these were resoldered i was blessed with a fully functioning player. hope this helps?

Nov 16, 2008 | NAD C541 CD Player

2 Answers

NAD C541 CD Player


I wouldnt buy another one from NAD.
I've worked on their stuff cant say anything nice, Sorry.

Aug 25, 2008 | NAD C541 CD Player

2 Answers

NAD C541i CD Player won't turn on


Hi John,
Coincidentally enough, I have a customer's C541i on my bench right now!
At this point, you will need to open the cover and check the fuses. With the cover off, looking from the front, all four fuses are in the back left corner of the player, next to the toroidal (round) power transformer. If any of them have blown, replace that fuse with exactly its type and rating. DO NOT jumper over the fuse, or wrap foil around it. It is EXTREMELY rare for a CD player to blow a fuse unless there is a very serious failure someplace.
If the player blows the new fuse/fuses immediately it will need to be serviced. If the fuses hold, and the player plays, it was just one of those random things.
Now, IF all the fuses are good when you first check it, you have a mechanical failure in the power switch, or a broken solder joint on the board where it's attached. Luckily, a replacement switch is easy to find.

Apr 24, 2008 | NAD C541 CD Player

1 Answer

NAD C520


The transport may have been forced out of alignment if jamming mechanically may require removal and reinsertion while in the open position if , but if it appears to not have the "grunt" to drive the drawer from slipping belts, you will need to change the load belts. Belts slipping are preventing the mechanism from operating correctly. Can be a tricky job if you dont do much of this sort of thing, but is within the range of most handyppl.
They are in Aussie, but you can get drive belts for any peice of gear from WES Components by mail order.

http://www.wagner.net.au/catalogue/index.htm

Jan 27, 2008 | NAD C521 CD Player

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