Crescent SC500 Service Manual page 58

Service Manual – SC500
J3 - 8 Ways ribbon connector
Figure 46:
PIN Color Circuit Description
1 Power supply - common
2
SP / EXTRAPR function LED (red)(LD3R) 1.78v Red LED on
3 SP / EXTRAPR function LED (green)
(LD3V)
4 BRUSH RELEASE function LED (LD4)
5 BRUSH RELEASE switch (P6)
6 INCREASE SPEED button (P7)
7 DECREASE SPEED button (P8)
8 ONETOUCH / EXTRAPR. button (P5)
Measured
0.003v
0.032v Red LED off
1.95v Grn LED on
0.032v Grn LED off
0.07v LED off
Pulsing when flashing
3.14v not pressed
0.03v pressed
3.14v not pressed
0.02v pressed
3.14v not pressed
0.02v pressed
3.16v not pressed
0.04v pressed
04 - Control System 58
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