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Yamaha SY85 Forum - Covers the SY85 Keyboard and TG500 Module • Re: sy85 voice volume

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Well,
I use Output 1/1+2 and I also check with headphones and the result is the same. Only in voice mode the sound is almost off.

I don't have much experience with this device, I just got it and repaired a damaged PCB trace to bring it to life...

But there is progress!

I was confused about the function of these volume sliders because the volume changed as I moved the OUTPUT 2 slider when I was on Performance mode but nothing happened while on Voice mode.

I read a post in this forum saying that while on Voice mode the OUTPUT 1 slider should set the volume, but this does not happen. So, the suspect was the OUTPUT 1 slider (or a related component).

I just opened the lid and checked its resistance right on the audio board, as exactly it is seen on CN3, coming from the sliders.
The Ohm Resistance does not change when I move that slider, but the resistance of the OUTPUT2 changes when I move it.

So I'm gonna have to remove everything to dig down to the sliders...

Statistics: Posted by ktrifon — Mon Mar 11, 2024 4:44 pm



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