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- Mon Mar 05, 2012 11:32 pm
- Forum: Moog Music General Topics Forum
- Topic: Opus 3 troubleshooting
- Replies: 16
- Views: 5026
Temporarily shorting pin 8&9 on U3 (40106) should trigger the brass if there is a component causing the ic to be stuck low. It could also be just a dead U3 as well. The heart of the brass control and triggering is the 40106. Really could be anything though... even a dead op amp in the mixer section.