Envelope attack and decay also have twice the range on the Poly-800 family vs. I’m using a standard Korg 9V power supply, and have tried several 9V power supplies that should all work with it. The Korg Poly-800 family envelope parameters have twice the granularity, compared to the Siel DK family (32 vs. Any tips for troubleshooting? Any help or advice is appreciated ! Output tip is the right size and specification - weve tested it. I’ve read in another thread that the first couple of diodes and capacitors can get fried by using the wrong power supply, but the ones in question (D2) seems to have been recently replaced and i’m getting continuity through that entire part of the circuit. Max output amperage is correct for your device.
Keyboard has been in a dry attic for 3 years since.
Korg poly 800 power supply mod#
Still though, i would like to avoid having to buy C batteries for it in the future for it, one round to the hardware store and i spent almost as much on batteries as i paid for the bloody thing ! I’ve been trying to fix it but i’ve hit a brick wall. top has been resprayed, Moog Slayer mod added and the clip / button cell replaced. Loaded up the factory presets, ordered some missing slider caps from here and it was sounding and looking great ! Vintage KORG POLY-800 Polyphonic Synthesizer w/AC Adapter, Owners Manual. I brought her home and after a few days of sitting on the workbench i finally made it to the store and got some C batteries and …viola! It was back to life. I am including the keyboard stand, a power supply, and a reprinted manual. Hey all, so a few months ago i acquired a Korg Poly 800 in non working condition for $30. The power supply circuit on my Korg Poly 800 has been putting up a real fight.