Buzzing sound out of left speaker(Data Poer supply)

sshaft

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Buzzing sound out of left speaker(Data Power supply)

Dragon's Lair w. a Data Power supply has started to "Buzz" constantly in one speaker.
I hit the reset amp power button(CB 1) and it stops as well as the game volume.

could this be coming from the power supply or line filter??
Where can i look first??

(The buzz volume is unaffected by the volume pots.)
i also reversed the audio wires out of the laser player and the same buzz came out of the other right speaker)???

any thoughts?

thanks
 

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