Author Topic: PSS 680  (Read 2036 times)

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Offline chirath

PSS 680
« on: July 24, 2020, 11:37:30 AM »
Dear Friend.
I found a PSS 680 units from an old electronic repair shop which they have given. as i'm yamaha keyboard lover i thought yo have a look. by looking at this it was a power issue however i managed to power up the unit, but the sound is very very low. and i'm still looking for the Schematic diagram

any one got this PSS680 schemetic diagram?

tahnk you



Offline overover

Re: PSS 680
« Reply #1 on: July 24, 2020, 12:28:19 PM »
Hi Chirath,

so far I have not been able to find the service manual for the PSS-680. But I found this video on YouTube:


Best regards,
Everyone always said: "This is not possible!" - Then someone came and ... just did it!