DOD FX22 Vibro Thang 3 Jun 20264 May 2016 by chords Here is a layout for the DOD FX22 Vibro Thang (Vibrato / Phasor) 04/05 Layout Updated: LM358 pin 4 and the 18K resistor from the bottom LM13600 pin 9 were connected to V+ instead of ground.