Troubleshooting completed kit

[Paul Birkeland]

The 2A3 glow isn't all that easy to see, but the point of the test is to see that the fuse isn't blowing.

Now, try running both the black plate choke wires back in the HV+ pads.

 

[Wrekless]

Ran both black wires back into HV+, fuse is good.

 

[Paul Birkeland]

Alright, this is a little mysterious, but at this point you'll want to replace the blown transistors on the C4S board, then test the entire amp completed.