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My old yamaha wont stop buzzing

I have an old yamaha MX-800 amp and a yamaha CX-600 pre amp controler and when i plug the pre out of the CX-600 pre amp to the input of the MX-800 amp and turn them both on it makes a buzzing nouis, it doesnt stop untill i unplug the pre amps rca conection or tun off the amp. it still buzzes even if i turn off the pre amp. but when i bypass the pre amp and go straght from the CD player to the amp, it works fine and doesnt buzz. Whats wrong?

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  • Anonymous Dec 24, 2008

    My Yamaha MX/CX-800 combo does the same thing. My left channel quits working and then the buzz begins when I reach back to tickle the RCA connection between the amp and pre-amp to get the left channel operating again. I'd rather not spend a bunch of money at a repair shop on 20+ year old equipment. Is there a way to repair this on my own?

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HI SIR .THAT IS NOT BIG PROBLEM.ALL YOU HAVE TO DO MAKE SURE THAT YOUR PRE HAVE THE FLL.1 PROPERLLY EARTHED(THE GROUND FROM YOUR AMP ALSO GOES TO THE PRE )2 ASK YOUR ELECTRONIC MECHENIC TO CHECK IF THER'S NO BROKEN GROUND ON THE BOARD INSIDE.

Posted on Aug 23, 2008

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