Question about Marantz CDR631 CD Recorder

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Marantz CDR631 is dead

My Marantz CDR631 is dead.  When I press the power button nothing happens.  No lights and the tray will not open.  When the power button is in the On position I can hear a fairly steady soft clicking sound.  I can also see this signal on my console meters.  I tried a different power cable but there was no change.

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  • miller25 Jan 03, 2009

    That's good to know that you think  it's worth fixing.  It's been a great CD player with the ability to record which occasionally came in handy.  My  problem is finding someone in my area that could trouble shoot it and see if it is a problem with the power supply.  Thanks.

  • miller25 Jan 05, 2009


    I'm in southern Illinois.  Thanks. Philip



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Open it up and take the mechanism out, then you should see a servo PCB screwed to the underside of the mechanism.
unscrew this and where the connecting wires plug in from the main PCB, you should see 2 or 3 fuses which look a bit like capacitors and should be red in colour marked MPXXX eg. MP100?
replace these if you can find spares, if not bridge them with a bit of thin wire soldered in place and then it should switch on once reassembled.
the clicking sound you mention will be the main power supply capacitors running and this is normal.

Posted on Sep 21, 2010

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The Marantz is worth fixing.

Sounds like something in the power supply circuit. The clicking is probably a standby relay

Find a good stereo sales place near you and ask who can troubleshoot it for you.

Posted on Jan 01, 2009

  • Scott Frye
    Scott Frye Jan 03, 2009

    What part of the country are you in . I could suggest someone , maybe.
    Happy New Years,

  • Scott Frye
    Scott Frye Jan 05, 2009

    This man comes well recommended by audio bloggers
    Mark Wilson , Savage Minn.

    He might even know someone closer to you.



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Posted on Jan 02, 2017

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