StratsRNeat
Member
I just finished my first Low Tide, I used BAT 41s, a J201 in the 2SK208-Y, and an LM358P. The pedal bypasses fine, and everything works as expected except that the LFO pot has absolutely no effect. I can get signal off it with an audio probe on both lugs 2 and 3 and the resistance seems fine as a roll it back and forth, however, I have no signal at R51, R49, R48 or pin 2 of Q3 (I have tried two different 3904s both from Tayda). The printed values on all of the caps and resistors from the Gate pot to Q3 all match, and I check the value of each component on install. I can control the gate with the internal trim pot and make the output signal range from muffled the clear with it, the LFO pot has no effect regardless of where I put the BBD or the Gate trims.
Q3: E=3.41 C=3.94 B=4.96
IC4: 1=0.98 2=2.34 3=2.48 4=0 5=2.46 6=2.46 7=2.45 8=8.36
Trim 2: Leg 2 = 4.1v-3.1v
Vref LPG = 4.21
VCC=8.36
5v=5v
LPG_Control @ IC3 pin5=2.13-2.24 pin12=1.67-1.78
Both ends of R29=0.98v
Thanks for your time guys. I'm sure you can tell from the values I've shared how much I understand this stuff. If anybody needs any more information I will be happy to oblige. Thanks for the education, oh great thinktank in the sky!
P.S. Don't judge the power jack, I use big dumb ones, and didn't realized it wouldn't fit where advertised with those
Here is the Low Tide Schematic
View attachment 20943View attachment 20942
Q3: E=3.41 C=3.94 B=4.96
IC4: 1=0.98 2=2.34 3=2.48 4=0 5=2.46 6=2.46 7=2.45 8=8.36
Trim 2: Leg 2 = 4.1v-3.1v
Vref LPG = 4.21
VCC=8.36
5v=5v
LPG_Control @ IC3 pin5=2.13-2.24 pin12=1.67-1.78
Both ends of R29=0.98v
Thanks for your time guys. I'm sure you can tell from the values I've shared how much I understand this stuff. If anybody needs any more information I will be happy to oblige. Thanks for the education, oh great thinktank in the sky!
P.S. Don't judge the power jack, I use big dumb ones, and didn't realized it wouldn't fit where advertised with those
Here is the Low Tide Schematic
View attachment 20943View attachment 20942
Last edited: