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Vintage Synth Repair

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RE: [vintagesynthrepair] poly800 mk2

2008-10-27 by francois

I had a Poly800 (first model) one time. And I remember having screwed it up by uploading a sysex form my DX7 (an accident while digging into DX7 menus); this tells how MIDI implementation was buggy. All the patches were gone, and it was only able to do a white noise, no matter which patch was selected. If memory serves, I have to issue a hard reset before being able to program any patch. Might worse a try.
If this doesn't work, welcome into synth bug tracking ...
Same noise on headphone and line out ouputs?
Francois



To: vintagesynthrepair@yahoogroups.com
From: freqspec@...
Date: Sun, 26 Oct 2008 23:26:40 +0000
Subject: [vintagesynthrepair] poly800 mk2


I have just purchased a broken poly 800 and all it does is play white
noise. Anyone have any idea of what might need replacing.
I am going to change the battery and then send sysex of original patches
but im guessing theres more to it than that.
Maybe one of the chips?
Thanks
Mark



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