48
Service Manual – SC500
04 - Control System
(Figure 31) J3: FCI DUFLEX (2.54 pitch) 8-way, male pins
Ref.
Description
Controller
in/out
V ref.
I max.
1
Power supply - common
out
0V
<1A
2
SP / EXTRAPR function LED (red) (LD3R)
out
5V
<1A
3
SP / EXTRAPR function LED (green)
(LD3V)
out
5V
<1A
4
BRUSH RELEASE function LED (LD4)
out
5V
<1A
5
BRUSH RELEASE switch (P6)
in
0V
<1A
6
INCREASE SPEED button (P7)
in
0V
<1A
7
DECREASE SPEED button (P8)
in
0V
<1A
8
ONETOUCH / EXTRAPR. button (P5)
in
0V
<1A
Figure 31:
(Figure 32) J4: JST VH vertical, 3-way (B 3P-VH)
PIN
Description
Controller
in/out
V ref.
I max.
Connected to
1
VR1 potentiometer power
Out
3V
<1A
VR1.1
2
VR1 potentiometer return
In
0-3V
<1A
VR1.2
3
VR1 potentiometer power supply -
out
0V
<1A
VR1.3
Figure 32:
