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Music Tech DIY • EMS VCS3 Diagnostics Help Needed Please

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Hi All,

I'm lucky enough to have on old VCS3, but it seems to be playing up.

Output 1 is not generating any output, I'm not sure if something has become loose inside (maybe?) does anyone have any suggestions on where to start? Also, as it's been a while since I used it, I wondered if anyone has any patch examples they could share which could help me in the diagnosis. If I take a simple OSC out from OSCs 1 & 2 to output channel 2 I have a signal (rows 1,2,3,4, column C), but Output 1 is giving me nothing (on column B). I've tried the outs on the back, as well as internal speakers, only the right speaker is giving a sound regardless of pan, in the above conditions, whereas I can pan the signal from Output Channel 2 on the jacks at the back, which suggests the jacks are ok).

I thought about taking the back off, and maybe wiggling PR4 on board A, but as I really have not much of an idea what I'd be doing I thought I'd check here first before I really screw something up!

Any help would be gratefully received! Thank you!

PS: apologies if this is the wrong group for this, I wasn't sure where the best place to put it was, Mods, feel free to move.

Statistics: Posted by seamonkeyman — Tue Oct 15, 2024 10:14 am — Replies 0 — Views 44



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