Question about NAD C541 CD Player

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NAD C541i CD Player won't turn on

Hi,
My NAD C541i CD Player won't turn on.
When plugged in to a power point and the unit's power button ON, the display does not light, CD tray does not eject, etc. The unit is unresponsive. It is not powered up,
thanks for any help, john

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  • John Sep 19, 2008

    Hi, thanks for your response.


    I had checked the fuses, they were all good.  Nothing obviously wrong with components on the board, that was about as far as I could go, so I took it to the shop, and just got it back.  It turned out to be an open circuit in the power transformer, which was replaced and all is good.  The serviceman told me he'd never seen this failure before.


    Anyway, thanks for your help, I do appreciate the detailed and thoughtful response,


    cheers,
    john

  • divvydave Dec 08, 2008

    I think I have the same problem, the symptoms are the same. I had traced the power to the transformer but found no output. I would be keen to know where I can purchase a new transformer, if anyone knows...



    Also, sometimes a cd takes a long time to read or just won't read. I had the unit repaired (the guy changed some micro switches) but the problem later returned. I would be grateful for any advice on this.

  • Seamus377 Jan 04, 2009

    just a general question really. i'm looking to buy a nad c541i cd player with a faulty transformer as i have a severely damaged c520 with a transformer still in working order, i was just wondering if the transformer from the c520 cd player will work on the c541i even though the c541i has a toroidal transformer and the c520 has a conventional transformer? are the connections, voltages etc the same?

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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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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.

Posted on Sep 17, 2008

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