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Cartridge Grounding

Posted: 22 Feb 2019 23:45
by Crisis64
Hello All, I’m new here, & have been using this site to repair my CS 506, needs a good degreasing & new belt. Great job all, & thanks.
While I had the tt opened I noticed the bus connecting the rca wires to the cartridge wasn’t grounded to the chassis, but on the cartridge side there was a ground wire.
Should I ground on the rca side to the chassis?

Re: Cartridge Grounding

Posted: 23 Feb 2019 00:54
by Spinner45
No.
adding another ground will result in what is called a "ground loop" which results in HUM in the audio.
Normally, the chassis is grounded directly to the preamp/amp at the unit.
The audio grounds are seperate.

Re: Cartridge Grounding

Posted: 23 Feb 2019 12:56
by Crisis64
Thanks Spinner, thought it was missed during manufacture process.

Re: Cartridge Grounding

Posted: 06 Apr 2019 22:17
by Dale_Ferguson
The bus mounting screw is the ground.

Re: Cartridge Grounding

Posted: 08 Apr 2019 19:05
by Crisis64
Ah ok Thanks Dale