Boneyard Problem - no sound (voltages inside)

[memor82]

hopefully the noise will clean up some once it's boxed.
if they are diffused yellow & green, those things are often very dim.  the only thing you can do is maybe try a lower value on their resistors like 2k2.  it might take some experimentation.

Thanks Haber
I'll buy some yellow BRIGHT and green BRIGHT led with the same 4,7k resistors
Just a doubt.
The ground wire from input sleeve-> output sleeve.
Can I'll remove it when I'll box the pedal?
Thanks!

Yep, it will get continuity through your enclosure.

Perfect, Thanks!
Very kind of you!
best regards, Andrea