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I’ll post some pics and video later. I am built a combo pedal featuring the Dr. Phybes.
Here’s what has got me stumbled; the effect works and I can definitely hear the effect when dialing the trimpot. However, the rate shift knob won’t work, and there is no phasing back and forth. When jiggling things around, I pushed the pcb up with my finger below Q3 and the effect worked as intended.
My assumption is I probably have a cold solder joint wherein something needs to go to ground. Does this sound right? If so I guess mynext order of business is to reflow my joints and see if it works as intended.
Hi Paul,
I also remember, that board has 2 ground pads and both must be connected.
I’m looking forward to the pics!
Thanks Fig. Both grounds are connected. Here is a video of the issue at hand.
We could use good pictures of the board (front and rear) as well as voltages on the ICs.
Well, I was going to suggest swapping the outer leads on the rate pot, at least until you moved the board. That makes me think a loose connection somewhere.
My apologies for taking so long to get back to this. Please find pics below. I reflowed my joints and everything seems to be connected solid but still get no shift unless I start touching the bottom of the transistor.
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