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NAD CD player model 510 Backlight on display but no cd information or reaction from buttons. Can't open cd holder, play cd, etc.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: will not record

the classic cdr201 will not record it will go to wait and return to cd status(blank cd etc) there is no led display of sound during this operation you can hear the audio for brief couple of seconds before it goes back to cd mode

Posted on Jan 13, 2008

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robotek
  • 1512 Answers

SOURCE: NAD 5425 CD Player display light out

Hi aartman

Yes it does have backlamps.

They are soldered to the PCB so you will need a few tools like a soldering iron, philips screwdrivers, solder, and some replacement lamps. Replace the lamps with this type from Farnell electronics. They have a 15000 hr life expectancy and last alot longer in the unit. I have tried many types of lamps over the years, and found these are the best choice if you want them to last.

FOR YOUR SAFETY-BE SURE TO DISCONNECT FROM THE MAINS BEFORE REMOVING THE LID

To get access to the lamps, you need to pull the main PCB out of the chassis to then get access to the bottom side of the printed circuit board where the 2 screws that retain the white lamp reflector assembly. Change both lamps with the type I mentioned,
6ab9edb.jpg Be careful not to flex the LCD display that is now exposed, it is quite fragile with the support of the lamp reflector cover no longer in place. ... reverse procedure to reassemble and away you go.

I am more than happy to talk about this solution with you further. Just ask away. Cheers

regards
robotek

Posted on Dec 12, 2008

  • 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

  • 1 Answer

SOURCE: NAD 5425 CD with dead backlight: ONE big bulb not 2

nope

Posted on Jul 15, 2009

  • 2 Answers

SOURCE: NAD C521 CD Player

The tray belt raises the laser to proper focal length at the end of closing the drawer. This demands more grip from the belt. If the belt is sloppy, it will slip at this point, even though the drawer is shut. Took two years of repeatedly cleaning lasers to notice this.

Posted on Nov 08, 2009

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Hi, I have a NAD C541i cd player when i turn it on i get three blue line on the display, i open the draw and insert a CD disc but the blue lines stay on the display and the disc don't play. can you...


The blue lines you mention should flash when trying to find
the 'Table of Contents' of your CD, even if a CD isn't loaded.
If when a CD is loaded and these lines flash for a while without
any CD info e.g track no. / disc length then it's more likely that a problem has occurred with the laser.
Various NAD CD players use the Sony KSS-213 Laser unit
and for some reason particularly with NAD CD players, they tend
to drift out of calibration over time so what i usually do when i come across this is very finely adjust the pot trim on the laser itself and testing a CD between adjustments.

Jun 22, 2011 | NAD C541 CD Player

1 Answer

Second hand NAD player worked well at test. Arrived at home no reaction when power on. Led turns first green, then orange. Doesn't react at all...


If it's the C541i version then there should be a switch on the rear of the
unit.
Flick this switch and all should be fine.
I think it's something to do with interconnecting other NAD products
why this switch is used.

Jun 03, 2011 | NAD C541 CD Player

2 Answers

I have a NAD 510 CD player with no display lighting working and would like to repair this myself, and also a NAD 710 receiver/amp that does not tune in any stations but otherwise works fine, would it do...


wont do any harm to open it up. look for blown fuses. i have a NAD amp and the desplay goes blank and sound distorts when there is a blown fuse inside, my amp has abourt 8 fuses inside it 4 per chanel

Jan 04, 2010 | NAD C521 CD Player

1 Answer

My Sony cd player spins but won't play. Cleaned


Those CD cleaners rarely work. They are nothing but small brushes on a plastic CD. Unless the problem is loose dust, they won't work. Try carefully opening up the unit and cleaning the lens using a cotton swab and alcohol. If that does not resolve the problem, post the model number and I'll provide the replacement optics part number and cost. Some units have replacement optics that cost less than $15. Dan

Jun 15, 2009 | NAD L40 CD Player

1 Answer

Nad c520 high pitched ringing


Hi, From your description, it sounds as if the noise is coming from the circuit that controls the display backlight. If I recall correctly, the C520 has an EL backlight just like the C521 (which I have one of). On the front of the circuit board, there should be a little yellow trimmer potentiometer that controls the brightness of the display. It may be that the noise will go away if the brightness is turned down some. If  the noise varies as you turn the controller, but doesn't go away completely, the backlight may need servicing.

Aug 06, 2008 | NAD C521 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

The cd holder tray on my new cd player only moves a quarter of an inch in or out when the button is pressed NAD C515BEE


have u tried to pull it out the rest of the way or the other thing could be is a belt is broken that drop the cd player down, if its still under warrenty i take it back if not, n u feel comfortable opening it up.

Mar 27, 2008 | Audio Players & Recorders

3 Answers

NAD 502 CD player LCD problem


hey, well, typical problem i nad cd players, and also receivers by the way. The proble are tha nad use standard glow lamps. And as we know, the blow!! And often when you move around with the cd. Well i do have repair note for this one also. http://www.miguelovitch.dk/ go to the menu: 'amplifier repair notes' (yes includes cd players ;) ) Here you can find free amplifier repair notes, an go fore nad 705 repair fix (same fault with defect bulb's as in you nad cd) And also a technical repair movie showing you the hole process of the 'workaround' this fault i NAD 522 (NAD 501, 502, 512 and more) http://freemovies.s-educator.org/repair_movies/nad/nad_cdplayers_defect_lamp_in_display_stremingvideo.html best regards michael miguelovitch

Sep 06, 2007 | Audio Players & Recorders

4 Answers

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 !!

Mar 20, 2007 | NAD C542 CD Player

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