Greetings. My 11 y/o son just completes building a tremolo pedal Rev 3.1. He has built a Synthrotek fuzz pedal and is familiar with soldering and identifying components etc. He was largely independent on this build.
The basic problem is a very much attenuated output volume. There is some output but just barely audible. The LED lights up, the rate knob works as evidenced by the both the LED and the barely audible audio and the Depth knob works as well. The volume knobs works in that what audio you can hear when it is dimed disappears with when turned counter-clockwise.
I check and reflowed most of the joints and connections. I have gone through and I cannot find any obvious mistakes. I would really appreciate some insight. The dude is bummed.
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