
It is the version before they added the LED and power jack. Since taking this picture I've added 2 new MXR knobs. The Distortion knob pot (CTS) date code says 1378049 and the Output knob pot says 1378012. So that means the pedal was made either late 1980 or early 1981. Here is a picture of the PCB trace side. The orange gain pot wire broke off but that is not the main problem It appears the trace from the red V+ connection burned off the board? I'm guessing the trace line goes straight down to a resistor hole you can see below. And there should be another trace going to pin 7 of the 741 op amp that's missing too as well as from pin 6 to a cap. It looks like it took quite a hit although you can't tell by looking at the component side parts.

Does anyone have a good trace side PCB photograph as reference so I can re-create the board or repair it?