Question about Marantz SR-4200 Receiver

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No output from left channel after crackling sound

Crackling sound commenced a week ago, & now there is no sound at all from the left channel. Re-configured the speaker setup & still occurs. Swapped the speakers around & it was still happening on the left channel. Model is SR-6200.

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Re: 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

Posted on Jun 18, 2013

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Re: No output from left channel after crackling sound

Does your unit have a volume knob or is it a paddle type with up and down?

Posted on Jul 12, 2007

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Crackling noise coming from 1 channel

sounds like you are picking up some interference first try swapping out the RCA cables you are using to connect that component. also keep your RCA cables away from any 110V AC power lines.

same thing with speaker cables, speaker wire should intersect power lines at 90 degrees and should not run parallel to power lines.

many people use the wires that come with their components. these cables are thin and offer very low performance a thicker higher quality cable with a gold connector will not only better maintain the quality of the signal being transferred between components but will also have better shielding to protect the cable from picking up interference from other electrical components and power lines.

Also should point out that a blown speaker sometimes produces a crackling sound, swap your left / right speakers and see if the crackling sound still comes from that speaker if it does you have a blown / damaged component.

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Sherwood Rx4050r and right speaker has crackling noises.

Ahh, that channel is blown. Its not 100% blown. This has happened to my freind before, and from my long knowlage in audio, the channel is blown, and is not fixable. If you REALLY are attached to it, you could probably bring it to a shop that fixes receivers, but best bet is to let it go

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Losing volume on channels

I am afraid not. That crackling is a component in one of the solid state amp circuits starting to fail. These are all soldered into the printed circuit board. This could be a difficult repair to find an intermittant component. Depending on how old the unit is and how much it cost will factor in on if you have it repaired or not. Rule of thumb is that if the unit is two to three years old and cost less the 200 to 300 bucks you should not invest more then 100 to 150 bucks into it. Good Luck

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