Been using my marantz sr-5200 for awhile with no problems. Recently began to make occasional popping/hissing noise then would stop.
Now getting no sound at all on any setting. Power is on, lights function...but no sound. Fuses all appear ok.
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Re: Total loss of sound...what to do?
Please repeat your setting first- and then disconnect all speaker out. connect your speaker one by one until you find the bad one and change it-you can also apply contact cleaner spray over volume control and move it many times-please do not forget yo unplug headphone jack first.
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Not having the ability to look at it on the bench, more than likely your DSP chip is bad. If you have a local repair house that is willing to confirm that is the problem without charging you an arm and a leg, that's your best bet. It is an expensive repair, anywhere between 300 to 500. At that point, I would say to replace the unit. Sorry for the bad news, but that's my "best guess" The only other thing to check would be your "Audio input Settings" Make sure it's either on "Auto" or whichever type you are using. "Digital Coaxial", "Optical", or "Analog" (RCA) hope this helps! If you have any further questions, just post a reply and I can help further. Best of luck!
Most likley, if I'm right, you have heard some staitcy, crackly noises, accompanied with this failure. If so, the problem is without a doubt on the D.S.P. board, witch is the one with the optical jacks on it, The culprits would then be I.C. 719 & I.C. 720. This is a common problem with this model, and the sr6200 & 5200 as well. A low tech method to confirm this is to touch IC 720 (the smaller one) while it's on. If you can keep your fingertip on it for at least ten seconds, it's ok, and the problem is elsewhere. If not, (IT WILL BE VERY HOT) the the board must be removed (27 screws from left to right) and replace BOTH IC719 & IC720.
I also have the same fault, The static noise is coming out
of ic720 [ cs4391 or cs4392 ]on digi pcb which is D-A converter
this ic maybe faulty, i have ordered a replacement ic and will
post here if solves problem
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