My NAD C541i CD Player won't turn on. When plugged in to a power point and the unit's power button ON, the displaydoes not light, CD tray does not eject, etc. The unit is unresponsive. It isnot powered up, thanks for any help,john
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.
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.
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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.
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.
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.
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.
Try this: 1) Disconnect the powercord from the plug!! 2) Remove the cover 3) Reconnect the powercord, turn on the power and press eject. 4) Turn of the power - beware, there is still power on the trafo!! 5) Now you have to carefully clean the laser (round glas-like item in the middle of the drawer) with a cotton swab filled with isopropyl alkohol. 6) Then wait at least 1 minute. 7) Turn the power on again and try to play a cd. If it works as it should then you have succesfully repaired your cd-player :-) Otherwise you may try again. 8) Now disconnect the powercord and replace the cover.
If this doesn't help I'm affraid you have to turn it in to your local shop for further invistigation and repair...
I've dealt with this type issue quite a bit. Believe it or not the drawer belt needs to be changed. If the drawer isnt drawn all the way into the unit...the disc motor wont spin and ....you get rejected
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?
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.
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)
best regards michael miguelovitch