SOLVED First build Uber Drive please help troubleshoot

[Fizz]

I had a lot of fun building this pedal and everything seemed to go well. I thought for sure it would work when I finished it up. But it doesn't. No sound with the pedal on or off. The LED does work. The only thing I was confused about was the stereo jack since I wasn't planning on using a battery with this pedal I didn't wire for that and should have used a mono jack. I'm assuming I wired the stereo jack correctly? I've tried the transistors both ways in their sockets.

Anybody see the problem?

 

[Fizz]

A pic would help

 

[Laundryroom David]

A pic would help

2 thoughts. 3pdt toast? And what transistors are you using? 2sc732 is E-C-B.

 

[Fizz]

2 thoughts. 3pdt toast? And what transistors are you using? 2sc732 is E-C-B.

I'm using 2SC1815. The 3pdt does toggle on the LED.. how would I test it?

 

[KR Sound]

For your input jack, you want to use the lug on the left. It’s a stereo switch jack, and you have it hooked up to the sleeve/stereo lug. Put your jack in there and you can see the one that makes contact with the tip.



In this picture, the yellow one on the left is the tip of the jack. The blue wire gets switched off when a jack is inserted. The ones I have folded back are the stereo connections which aren’t used on a typical input.

 

[kristopher]

I agree with Laundryroom David. I'm not sure about the E C B of those transistors, but are they backwards?

 

[Coda]

I agree with Laundryroom David. I'm not sure about the E C B of those transistors, but are they backwards?

They are ECB, and they are in backwards…

 

[szukalski]

I agree with the others, looks like 2 problems. The jack wired wrong will give you no sound in bypass, and the transistors being wrong will give you no sound once you fix the jack.

 

[Nic]

Agree with @KR Sound
You are wired on the ring.

 

[Robert]

Yep, just to reiterate, you need to reverse your transistors and move the yellow wire on the input jack to this lug.

The output jack is wired correctly.

Jacks - PedalPCB Wiki

wiki.pedalpcb.com

 

[Fizz]

That was it.. thanks so much! It was an easy fix. Glad I used the sockets for the transistors. And the output jack was wired wrong. Funny thing is I remember thinking it should be on that lug before I built it but before I wired it, I looked up a datasheet and then decided to put it where I originally did. I should have gone with my gut. Same with the transistors. I thought the squared off end should be facing down and I looked at a datasheet and thought it was reversed. Those datasheets aren't doing me any good

It's a great sounding pedal. I have a 1 1/2 year old Boss SD-1 with SMDs also and I like this one better. The Uber doesn't have as much noise.. the Boss is pretty noisy. In a lot of ways they don't sound anything alike. The Boss does get louder and has more gain but it is too much gain.

I've got another one of these PCBs and I'm going to build it with carbon resistors and mylar and tantalum caps to see if there is a difference.

 

[Robert]

Glad you got it working!

Your output jack was wired correctly in the picture above, unless you have some out of the ordinary jacks.

 

[Fizz]

Glad you got it working!

Your output jack was wired correctly in the picture above, unless you have some out of the ordinary jacks.

Sorry.. I meant to say input jack. I still have to be careful about not confusing certain parts when they are upside down.

 

[Laundryroom David]

Totally missed the jack lol. Huzzah for the successful troubleshoot and enjoy the pedal!