Ex Pedal2/Z Pedal Check; Adjustment Trimmer Potentiometer (Vr500 / Vr601) - Zoom g9.2tt Service Manual

27. EX PEDAL2 / Z PEDAL check
1.
The 7segment LED is displayed vertical AD value of EX PEDAL2 if the PEDAL is moved
vertically.
Make sure that this AD value of EX PEDAL is the same as below table and LCD displayed
[PEDAL1].
*MIN : raise EX PEDAL this side.
*MAX : lower EX PEDAL till that contacts gum lightly.
Make sure that difference between MIN and MAX is 60 or more in hex and this value doesn't
decrease if EX PEDAL is pressed down.
Adjust of Trimmer potentiometer (VR500) on the FOOT1 PCB (PCB-0158A).
Carry out the EX PEDAL2 setting. Back side of PCB is displayed as [Pedal R Adjust].
Make sure that the LCD displays [PEDAL1 ON] by pressing down the EX PEDAL2 stronger,
and [PEDAL1 ON] disappears by stopping pressing down that pedal.
If AD value is read right after [PEDAL1 ON] disappeared, [PEDAL1] is displayed again.
2.
The 7segment LED is displayed horizontal AD value of Z PEDAL if the PEDAL is swung
horizontally.
Make sure that this AD value of Z PEDAL is the same as below table and LCD displayed
[PEDAL2-H].
Make sure that difference between MIN and MAX is 60 or more in hex and this value doesn't
decrease if Z PEDAL is swung to right.
Adjust of Trimmer potentiometer (VR601) on the FOOT1 PCB (PCB-0158A). Back side of
PCB is displayed as [Pedal_3D Adjust].Carry out the EX PEDAL2 setting.
If the Lock arm is raised the Z PEDAL is steadied.
*Make sure the Z PEDAL doesn't swing horizontally, and then the Lock arm doesn't come
down.

28. Adjustment Trimmer potentiometer (VR500 / VR601)

Open the BOTTOM COVER.
1.
With the EX PEDAL2 fully down vertically, and adjust the value to the range of [EE] to [F2]
by rotating the trimmer potentiometer (VR 500) on the FOOT1 PCB (PCB-0158A). Back side
of PCB is displayed as [Pedal R Adjust].
*If the value is less than [EE], adjust the value to max.
2.
With the Z PEDAL fully swing to right, and adjust the value to the range of [E0] to [E5] by
rotating the trimmer potentiometer (VR 601) on the FOOT1 PCB (PCB-0158A). Back side of
PCB is displayed as [Pedal_3D Adjust].
*If the value is less than [E0], adjust the value to max.
Expression pedal
MIN(raised)
MAX(down)
Pushed all the way
Expression pedal
MIN(left)
MAX(right)
-12 -
Values
07 and more
E0 to F9
PEDAL SW ON
Values
07 and more
90 to EA