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Normally open.

You should be good to go now.

👆 That's the one. It's a 2P6T rotary with the stop washer set to limit it to 5 positions.

Reduces pop from in-rush current. Quite a few production pedals do it this way. You could omit C21 for a traditional LED/CLR arrangement, where the sum of R54 + R55 becomes the current limiting resistor.

It is. Try things dialed lower than you think they should be... the goal is off-bias / starved voltage. Neck pickup, tone rolled off. Where'd you get them? The originals measured around 125 so yours should be close enough.

UPS or USPS Priority Mail International are much faster, but more expensive as well. UPS also charges additional fees on top of the import duties in some countries. 6 - 8 weeks is not out of the ordinary for USPS First-Class International shipments, but in this case it's circling around the...

I apologize for missing your email, I've just replied there to get this handled for you. :) I suspect your order is being returned by USPS, they've been doing this randomly with no explanation. There are no markings on the packages, nothing in tracking to indicate that they ever made it to...

"I put a BS170 in the schematic but I honestly don't know what it is, the markings are sanded off. Could be a 2N7000 as well, who knows." https://www.tdpri.com/threads/school-me-on-the-black-magic-zendrive.798622/post-10291868 Considering the values and the biasing arrangement, I'd try a JFET...

That 15K drain resistor seems awfully high.

https://docs.pedalpcb.com/project/archived/Simulcast.pdf Subbing a 150uF wouldn't have any impact.

This trace (on the bottom of the board), these solder joints, or the footswitch itself. There have been a few occasions where a pedal had no sound in bypass because the tip of one of the jacks was touching the enclosure. The circuit gave enough amplification that it'd pass signal when on...

Yep, but keep in mind they use a special version of the Power I/O module (the Flush mount version) with the DC jack positioned slightly higher so it protrudes through the enclosure.

That one is designed to mount inside the enclosure, the jack shouldn't protrude through the enclosure. If the jack is shorting to the enclosure you can enlarge the hole. There is a flush mounted version, as well as a faceplate in the event you don't have any square drill bits...

The controls behave like analog pots. For example: If you turn delay time all the way down, switch modes, turn it all the way up, then switch back to the previous mode the delay time will be all the way up because that's where the pot is set. The previous setting before switching modes is not...

I'm suspicious of that TL072. Do you have another dual opamp you could try in that socket? (Just not another TL072 from that same batch)

Yes, that portion of the circuit is basically just an adjustable LED flasher. The LED just happens to be pointed at a light-controllable amplifier.

If cycling active/bypass had an effect then the problem is most likely either the footswitch itself or a leaky input or output coupling capacitor.

D2 (an LED) shines on LDR1 (a light dependent resistor).

Is this the update I've been waiting for? 😲 "Speaking of schematic display, Seth Hillbrand added live junction updates when dragging items in the schematic editor, and a warning when dragging some wires will cause them to short-circuit with others, so you can see a preview of how...

My guess is that it's a standard Muff with a Mid pot added to the tone stack... For some reason I thought this one had an additional amplifier stage but now I'm thinking it was the LED drive MOSFET for the millenium bypass. I've only peeked inside so far. There are components under the...