Completely Out of My Depth - Modulus 50w 69 Build

[BlueX]

When you're done with the inputs: There seems to be something between p8 and p9 on V1. In the pic it looks like a wire strand.

You could go over and clean the octals (V4/5) also. Seems to be some residue left.

 

[NickKUK]

You may want to ensure there's good clearage circled:


Any wiggling of tubes etc are likely to cause a short.