Schematics and Drawings

As time permits, I will be recreating and posting schematics. Some have not been proofed yet but are complete enough for troubleshooting. Please notify me if you see a mistake or have something to add or have a suggestion.

The following are schematics and drawings (in Adobe PDF or .gif) of the ESQ1/SQ80 system:

Redrawn schematics copyright Rick C. 2008

VCA and Output circuit. PDF

Power Supply Module PDF

Pedal - Tape - Midi I/O PDF










All redrawn documents on this site are Copyright 2007 Rick C.