Re: Opto Coupler Help?


Ed Breya
 

Don't test the parts - test the function. If you have the schematic and test gear, you can just check what's going on while it's running. The measurements will help figure it out. If this amplifier is in a live setup, you can disconnect speakers, pull tubes, etc if necessary to deactivate and de-risk the non-relevant parts of the system.

From your description, it seems that you just need to confirm that the right LEDs are turned on and off in each mode, and likewise, that the signals are passed or blocked properly by the CdS cells.

Ed

Join TekScopes@groups.io to automatically receive all group messages.