+
–
OP-1 keyboard traces
v1
v2
grounds
OP-1
1 - help
2 - tempo
3 - synthesiser mode
4 - drum mode
5 - tape mode
6 - mixer mode
15 - G#-1 (black 2)
16 - A#-1 (black 3)
17 - C#-1 (black 4)
18 - record
22 - forward
23 - shift
24 - F-1 (white 1)
26 - A-1 (white 3)
27 - B-1 (white 4)
5 - sound 3
6 - sound 4
7 - sound 5
8 - sound 6
9 - sound 7
14 - G#-2 (black 7)
17 - D#-2 (black 10)
18 - C-1 (white 5)
21 - F-2 (white 8)
22 - G-2 (white 9)
23 - A-2 (white 10)
24 - B-2 (white 11)
25 - C-2 (white 12)
26 - D-2 (white 13)
27 - E-2 (white 14)
28 - GND
10 - T4
7 - T1
8 - T2
9 - T3
20 - stop
14 - F#-1 (black )
21 - rewind
25 - G-1 (white 2)
3 - sound 1
4 - sound 2
20 - E-1 (white 7)
1 - mic
28 - GND
10 - sound 8
11 - sequencer
15 - A#-2 (black 8)
16 - C#-2 (black 9)
13 - F#-2 (black 6)
12 - D#-1 (black 5)
19 - play
2 - com
19 - D-1 (white 6)
12 - drop
11 - lift
13 - split
7 - T1
8 - T2
9 - T3
10 - T4
14 - F#-1 (black )
20 - stop
11 - lift
19 - play
25 - G-1 (white 2)
28 - GND
2 - com
3 - sound 1
4 - sound 2
19 - D-1 (white 6)
20 - E-1 (white 7)
21 - rewind
1 - mic
10 - sound 8
11 - sequencer
12 - D#-1 (black 5)
13 - F#-2 (black 6)
15 - A#-2 (black 8)
16 - C#-2 (black 9)
12 - drop
13 - split