Akai APC20 Service Manual

Slider test
1 Slides the fader show in the incated area to test its functionality.
Figure 7: Fader test area
2 For the 9 vertical fader, push it to the top then push it down to the bottom to ensure it can reach
top and bottom side. When it does, the fader will show green to pass.
3 Noted that when fader are at the top position, the current parameter are 127 and bottom is 0.
4
As for the one and only horizontal slider, push it to the left most with the current parameter is 0 and
to the right most with the current parameter is 127.
Encoder test
1 There are only one encoder to be tested.
2 The encoder are the CUE LEVEL. This VR only need to turn it clockwise 360 deg but
you just need to turn it slowly to pass it.
3 After this test, the display of the test application should be as below.
Figure 8: VR pass display
APC20 TEST PROCEDURES

Akai APC20 Specifications

General

Type	MIDI Controller
Connectivity	USB
Compatibility	Ableton Live
Manufacturer	Akai Professional
Model	APC20
Knobs	8
Software	Ableton Live Lite (included)
Power	USB Bus Powered
Weight	2.2 lbs
MIDI I/O	USB
Faders	8 channel faders, 1 master fader
Buttons	40 clip launch buttons, 16 scene launch buttons