SOLVED PedalPCB Unison double tracker changing patches? (SOLVED)

[Morph]

hi!

I just built an Unison double Tracker and it works... sometimes!

it starts out with the three stock algorithms, but after a while the controls turn into a reverb dwell, rate and depth (rather than detune 1, detune 2 and delay time). Along that time, there is some crackling noise. Does anyone have a clue as to what might be happening?
thanks!

 

[Robert]

Touch up the solder connections on the FV-1 IC, specifically around pin 13.

 

[Morph]

Thank you, thank you, thank you, Robert!

It’s up and running, now.

Have yourself a merry Christmas!

 

[MichaelW]

@Morph
Glad you got it working and it was such an easy fix!

You can mark this thread “Solved” by editing your original post title and selecting the the little drop down menu on the left hand of the title bar and select the “Solved” badge.

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[Morph]

@Morph
Glad you got it working and it was such an easy fix!

You can mark this thread “Solved” by editing your original post title and selecting the the little drop down menu on the left hand of the title bar and select the “Solved” badge.

Helps with the hygiene of this forum so the guru’s can help the folks that still need help. Thanks!

Just did it. Makes perfect sense.

Thank you for the tip!

 

[Morph]

Just for future reference, apparently the FV-1 chip had a bad solder joint at pin 13, and reverted back to the factory stock algorithms (Reverb with tremolo, Reverb with chorus, and Reverb with flanger). By retouching the solder joints, it loaded the EEPROM programs with no issues.