Question about Marantz Audio Players & Recorders

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Marantz model PM 400 yes its about 30years old. Problem volume does not respond to knob changes. Very cracklie sound. Do I need to replace the amplifier or is their a service agent on the sunshine coast or brisbane thanks bern

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It can be fixed by yourself. All you need is some tuner lubricant (available at Radioshack or similar store, or if nowhere can be found you can even try WD40). Pull the knob off so you can see the shaft. Spray the tuner lube onto the shaft (let gravity be your assistant). Replace knob and work it back and forth until it moves more easily than before. Test it and you should be golden.

Posted on Aug 05, 2008

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Marantz problems


The speakers are 8ohms. Always try using speakers 6 or 4ohms. For B&W 683 on PM 6004 is too low. You should go for PM 7000 or 8000 series to catchup with 683. Also when you increase the volume please decrease the bass as well.
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Do you mean just crackling generally or it crackles when you turn it up or down? I have a Marantz PM350, old but still great performance, and I periodically take the volume knob off and spray down the hole with a cleaner/lubricant spray. This does the trick!

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Can I replace the stock power cord on my Marantz PM-11S1 integrated amp. with a new high end power cord ?


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Yes you can replace the power cord if it is already defective(open internal wire). You may buy on your local electronics store. But if the power cord is in good condition, there's no reason to replace.
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Poor sound from 1 channel on a PM 66 SE Special Edition. Changed speaker and wire, no change. The sound is muffled and lower in volume. Same happens when tuner is on, so must be amplifier. Hope you can...


Hi...
My 1st thought would be a broken contact or 2 inside on the main volume control... Is the balance set to middle?
Is it the same with headphones?

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Set all EQ controls to their midpoints and re-evaluate.

We don't know if it's an input or output problem yet. Does it do that with all inputs?

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Marantz pm 7200 lost sound, only works when volume is up high, still looks like there are no high or medium frequencies.


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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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1 Answer

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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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Marantz SR 5200/6200 lost audio or crackling on left or right channel except in mode s-direct is now fixed !
The root cause is a defective inegrated circuit on DSP board (the one with digital inputs). To fix it change the chip CS4391 by a new one or better by the improved version CS4392. On my device a capacitor was cut close to this IC : replace one 1uF after changing the IC. For any question search me with my callsing "F5RCT"; i have a spare IC for the one who is able to change it !
I'm amateur radio and engineer

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