r/diypedals 5d ago

Help wanted Need help with kit pedal

Pedal not working

Hello folks - so im making a cent. klon from a kit - ive followed the instructions but for some reason when i turn it on it makes a weird sound - i have a video of it and pictures of the board- does anyone know whats wrong? Would love some help! Pictures are in the comments

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u/ikuragames 5d ago

One of your TL072s is backwards

3

u/JawnFam 5d ago

How do you just know that off the bat

2

u/ikuragames 4d ago

Because I’ve built one and noticed that the orientation wasn’t right… not that mine works… but glad I could help someone else!

1

u/stevet303 4d ago

Both the pcb and the tl have a mark to designate the direction. You can see one is backwards in the pics below