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Anytime, I like a challenge, and this is a good one. Have a safe New Year!

it could be in which case we are chasing are tails. Try some of that electronic cleaner, it works wonders, just dont spray it on the fron of board, if the cap values are just printed on it eats the ink. I spray the brush then scrub the front.

Shouldn’t have to dime it out though, that could be do to the low voltage on pin 3 and 6

You have a short somewhere, question is, where?

No I was pondering that. C2 is a coupling cap, it passes the AC signal but blocks the DC from the op amp circuit. If that cap shorts you get a loud hum out of pedal, that hum is the DC

The voltage on pin 7 should be higher

Check voltage on pin 7 real quick, just want to verify the feedback path

Ok that’s better, gotta look at schematic real quick

And you have 0 volts on R3, on the side near pin 6it should be battery voltage

That way you are referencing battery negative

See if you can get black lead on pin 4

No just one

Where’s the battery plugged in at

What do you have on R3 both sides

The hardest part about this is hooking on the battery, the easy way is if you have an extra socket, you can plug it in the one on the board. If not then you need to be careful so you don’t mess up socket. Just need to hook up battery - lead to pin 4 and the + lead to pin 6 to start then we see...

I got a little, working on a Caesar chorus

That’s perfect!!!

Happy New Year, about what time will you be able to get on, I have the day off! And Happy New Year to you!

I want to go in through the back door to try and find where you are losing the voltage. If you remove the op amp you can back feed power from the socket, it may show us where the issue is. Using a battery is much safer than a wall wart, thats why I want to use a battery. If there is a short, you...

Have you got a 9V battery and 2 alligator clip leads?