Roland AX-7 Service Notes

SPLIT
START/STOP
From Ribbon Sensor
From Modulation Control Unit
Data Control Pot.
To Main Board
LOWER
UPPER
LOWER UPPER SPLIT
START/STOP
DOWN UP
HOLD
(CN9)
All switches are EVQPAE05R.
All LEDs are 3SLR37VR3F.
BEND
VREF RW2
MOD
VREF
VREF
MOD
DATA
GNDREF
DATA
GNDREF
RW2 RW1
BEND
VREF
RW7
RW0
Y4 Y5 GNDREF
GNDREF
CL3
SSD0 SSD1 SSD2
RW0
RW1
RW7
SSD0
SSD2
SSD1
Y0 Y1 Y2 Y4 Y5
CL3
Y0 Y1 Y2
DGND
HOLD
DGND
DGND
HOLD DGND DGND
DGND
D
D7
12
SW7
D8
12
D2
12
D1
12
SW6
CN3
22FE_ST_VK_N
3 4 5 6 7 8 2 1 9 10 11 12 13 14 15 16 17 18 19 20 21 22
D3
12
SW4 SW5
D9
12
D4
12
VR1
RK09L1120100KB1F15AC
100KLIN Mono
13
2
CN1
5597-08APB
3
4
5
6
7
8
2
1
SW1 SW2 SW3
C1
NI
U
R2
10K
R3
1K
R5
820
R1
820
R6
10K
R4
100K
C2
100nF
CN2
CONN_2X1
2
1
R7
10K
D10
BZW04_5V8B
1 2
D5
12
D6
12
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
J
K
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11
AX-7
Nov, 2001
LEFT CONTROL PCB ASSY & CIRCUIT DIAGRAM ASSY 7772502000
View from component side

Roland AX-7 Specifications

Power

power supply	Batteries, AC/DC adaptor (DC 9V)
power supply option	Roland ACA adaptor (9V, 200mA)
connectors	DC IN (adaptor)

Keyboard and Display

keyboard	45 keys, velocity sensitive
display	3 x 7 segments
realtime controllers	Data Entry knob, Expression Bar/Touch Controller, D Beam Controller, Sustain button

Weight and Dimensions

width	1010 mm
depth	195 mm
height	102 mm
weight	3 kg