Skip to main content
Electronic Theatre Controls Inc

Expression 3 CPU PCB Functional Diagram

Symptoms/Issue

When troubleshooting an Expression 3 CPU PCB, it would be nice to quickly know what area of the PCB the issue is in.

Description/Explanation of Issue

If the floppy drive was not functional, you could go right away to the Floppy Disk circuit, and start looking for lose pins or anything else obviously wrong.

EXP3CPUFunctDiag.jpg

  • Was this article helpful?