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Marantz receiver the receiver is popping and crackling when power is turned on how do I clear this up?

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You have a worn power switch. After 30 years of turning a powerful receiver on and off, the contacts in the power switch become pitted and corroded, and just plain dirty - this is exacerbated in smoking environments. As the resistance in the contacts increases, it takes more "juice" to bridge the contacts, and this takes the form of hissing and sputtering. The best solution is to replace the power switch. These can usually be found on eBay for between $10 to $25 - just search for "Marantz power switch". You'll probably need to disassemble most of the front end of your receiver to get at the switch, and you'll need some soldering experience and tools to remove old and install the new. Once you do the job, however, it should last the rest of the life of the unit.

Posted on Oct 19, 2009

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Posted on Jan 02, 2017

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There is a crackle when i turn the volume knob.


First unplug it. Sounds like you need to spray some tuner cleaner in the pots that are crackling. Pull the knob off and you should be able to use a spray can of tuner cleaner with the straw that comes with them to spray into the potentiometer , then rotate the pot several times while it is still wet. After cleaning them all, wait 10 minutes and then try.

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Marantz SR-7200 reset


This was documented on the Marantz website briefly a year ago and is no longer available. My SR-7200 develops "click/pop" problems and a reset cures it of these issues.

While powered "off," on the front panel, press: A/D + FP +Dimmer (3 buttons) and power the unit on.

This reverts to original (out of box) settings. You then must reprogram input sources, speaker setup, levels and radio stations.

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1 Answer

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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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1 Answer

I have a Marantz 2275 receiver hooked to some JBL speakers. I noticed one of the speakers crackling. I swithched the speaker wires around and now the other speaker crackles so I'm guessing it is


Doesn't sound like it's a speaker - more likely a fried chip or transistor causing harmonic distortion.
It's usually more cost effective to replace modern audio components than to fix them.

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marantz SR 4003 how to reset (hard reset ) remove power plug from power .Take cover off locate ic 12 (24 c eeprom) short pin 5 to ground while plugging the power in .Unit will show clear on fl screen .if the unit trips again check channels.

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My Marantz 2270 sounds great when first turned on, for about 20 minutes. Then it starts crackling very loudly on both channels. Is it expensive to get this fixed?


No, it's not expensive to get fixed. The circuit board has over heated through time and some of the solder connection have weakened. Inspect the circuit board for cold solder connection and reapply heat and solder.

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Switch off the unit. Then hold down Sorround, Exit, Memory & Clear buttons all together and then switch on the power. This should work.

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iskender

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1 Answer

I Have an NAD 710 receiver, it crackled then volume went a little lower and when turned up begins to distort with no grunt, no longer crackles but the lower volume problem remains


YOU SOUND VERY KNOWLEDGEABLE IN THIS FIELD,BUT ITS BEEN MY EXPERIENCE IN THE PAST TO START SIMPLE(@ MAYBE YOU HAVE)SOUNDS LIKE THE SAME PROBLEM MY MARANTZ HAD ,IT WAS A SIMPLE MATTER OF TAKING CONTACT CLEANER TO THE POT'S & SWITCHES.(TRY SPRAYING IT DOWN THE SHAFTS;SWITCHES ,ECT....)MY MAIN PROBLEM WAS WITH THE A-B-C SPEAKER SWITCH,MUTE & VOLUME.AFTER WORKING THEM,THE PROBLEM CLEARED UP.DUST & BUILDUP(ALOT OF TIMES FROM MINIMAL USE OR STORAGE)CONTRIBUTE TO THIS PROBLEM;ASWELL AS CORROSION OF THE CONTACTS & COILS.GIVE THIS A TRY & SEE IF IT DON'T HELP.BEST REGARDS TO YOU ALSO;HOPE THIS HELPS.THAXNX FOR USING FIX-YA(PLEASE RATE)

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No output from left channel after crackling sound


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

Jul 08, 2007 | Marantz SR-4200 Receiver

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