96
Service Manual – SC500
05 - Control System, Magnetic Smart Key
Shop Measurements - Display Controller (EB2)
Measure and record the voltage at each of the Main machine controller pins Always use battery negative as
your reference point for your black voltmeter lead
J1 - 6 Ways
Figure 47:
PIN
Color
Circuit Description
Measured
Comments
1
Red
Power
24.6
2
White
Main machine controller
4.62
3
Blk/Wh
Main machine controller serial -
4.12
4
Black
Power supply -
0.003
5
Orange
Key signal return (KEY0)
24.23
6