Technogym Step 500i SP Service Maintenance Manual page 28

CPU Board
CN5
2
3
4
5
Display Board
CN3
1
7
8
Power entry module Signal
F
N
T
Brake board – Alternator – Battery – Inlet for battery charging
Brake board Signal
CN3
1 V+ voltage from
alternator
2 V- voltage from
alternator
3 RPM signal
4 V+ voltage from
battery charger
5 V- voltage from
battery charger
6 Battery V+
7 Battery V-
Page 2.16
CV-302: LCD inverter power supply cable
CPU Board - LCD Inverter
Signal
Gnd
+3.3 Vdc power supply
Gnd
+12 Vdc power supply
ELT-16: HFU Receiver cable
Display Board – HFU Receiver
Signal
+5 Vdc power supply
Pulse (beat to beat)
Gnd
STP-00: High voltage cable
Power entry module – Brake board
Line
Neutral
Earth
STP-01: Alternator cable
Color
Red
Black
White
Red
Black
Red
Black
STEP EXCITE: Service & maintenance manual - rev. 1.4
Color
Black
Black
Black
Orange
Color
White
Black
Green
Color
White
Brown
Green
Alternator Battery Battery charging
Faston
Faston
Faston
-
-
- Faston
- Faston
LCD Inverter
CN1
2
3
4
5
HFU Receiver
2
4
1
Brake board
CN3
1
3
5
inlet
-
-
soldered to
internal contact
soldered to
external contact
-
-