Question about Marantz Audio Players & Recorders

1 Answer

Marantz pm 673

Hi , No sound .Source does not matter . I have no schematic . power supply ??

Posted by Anonymous on

1 Answer

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  • Marantz Master
  • 3,368 Answers

I disagree without a source this is what you would get, no sound.
Contact the manufacturer or try an on line search with Google!

Posted on Nov 27, 2014

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

jedimazter
  • 7 Answers

SOURCE: marantz pm 7200

Could be a power supply failure or a Power "On" switch failure.

Kev

Posted on Feb 24, 2008

SOURCE: marantz PM-74D

Your no doubt finding the speaker safety/turn on surge protect relay NOT engaging a few seconds after turning it on-right? Check the output transistors. These are the big green and black ones screwed to the heatsink. You gain access to them by taking off the bottom cover. There's 4 per channel--2 green and 2 black. You'll probably find one or more of them shorted. If you find replacements, put them in exactly as the originals with new thermal grease/heatsink compound. Unsolder and lift the center pin (collector) on each of the four transistors of the effected channel. Power it up and check across the outside pins of each device for proper bias-about a half a volt or so on each one. If the voltage is much higher, or not there you've got other problems that will require more diagnostic/troubleshooting. Do all the lights on the front panel work-or just the tape monitor indicators? If just the tape monitors light up, check resistors RN83 and RN84 on main board under the speaker connector board-remove the speaker connector board to get at them. These are bad on mine and I've yet to replace them. I believe these to be 920 ohm 1% precision resistors....

Posted on May 26, 2008

  • 1 Answer

SOURCE: Marantz PM 4000 has cut out

May be the problem solved here :
http://www.audiotoolers.com/ubbt/ubbthreads.php/ubb/showflat/Number/5316/page/1#Post5316

Posted on Dec 04, 2008

mikeymiddles
  • 58 Answers

SOURCE: marantz pm 7200 integ.amplifier

Dear Sushant,    I do not think your use of an equalizer has caused any problems.  I will explain the proper use of the source/direct button.  This button's function is to monitor the output of a recorder connected to the record outputs of your amp.  When this button is pressed on the sound going to the speakers comes direct from the "source" (cd, radio tuner, phonograph etc.) when in the off position you can monitor the recording of whatever source is being recorded via the tape deck.  This switch must be off to record through the amps record outputs.    To test this, put a blank tape in the tape deck, choose the source as phono and place the dec in record/pause.  With the source direct button pressed on you should hear a change in volume when moving the amp's volume knob only.  When source direct is off you will be able to hear the output of the tape deck, so adjusting the tape deck's record level will also affect the volume coming out of the speakers.  more record level in/ more level out.!    Below is copied from page 9 of your user operation manual for Marantz's explanation of the source/direct button.  image.tiff
best of wishes, Michael Mittelsdorf

Posted on Jan 05, 2009

  • 226 Answers

SOURCE: marantz pm 550 dc, service manuals and schematic

Hi,Give this a try. I think it is what you are looking for.
http://www.eserviceinfo.com/download.php?fileid=48367

Click where it says "Download >> To download the file, please, click here

It's a multipart file, so you need to download Multipart 0,1
open it using winrar and the open it to view the pdf file.

Note: you must have a pdf viewer to read the file.

If you need anymore help with the amplifier, then please ask.

Regards - Anthony

Posted on Feb 28, 2010

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1 Answer

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2 Answers

Marantz pm 7200 integ.amplifier


Dear Sushant,    I do not think your use of an equalizer has caused any problems.  I will explain the proper use of the source/direct button.  This button's function is to monitor the output of a recorder connected to the record outputs of your amp.  When this button is pressed on the sound going to the speakers comes direct from the "source" (cd, radio tuner, phonograph etc.) when in the off position you can monitor the recording of whatever source is being recorded via the tape deck.  This switch must be off to record through the amps record outputs.    To test this, put a blank tape in the tape deck, choose the source as phono and place the dec in record/pause.  With the source direct button pressed on you should hear a change in volume when moving the amp's volume knob only.  When source direct is off you will be able to hear the output of the tape deck, so adjusting the tape deck's record level will also affect the volume coming out of the speakers.  more record level in/ more level out.!    Below is copied from page 9 of your user operation manual for Marantz's explanation of the source/direct button.  image.tiff
best of wishes, Michael Mittelsdorf

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May be the problem solved here :
http://www.audiotoolers.com/ubbt/ubbthreads.php/ubb/showflat/Number/5316/page/1#Post5316

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