Alternator Control Board - Model C7 And Lc8500 - Life Fitness Lifecycle LC9500 Service Manual

Lifecycle Upright Bikes LC95, LC91, LC85, C9, C7, 95Ce, 95Ci, 93Ci, and 90C

ALTERNATOR CONTROL BOARD - Model C7 and LC8500

Functional Description
The Alternator Control Board is
designed to regulate the alternator
voltage by modulating the field
current. It regulates the pass current
(RPM signal) from the Alternator to
the Console, and the pass current
form the alternator to the load
resistor while providing supply
voltage for the console while
charging the system battery.
Connector and Pin Connections
Connector
P1 is a Molex 9 pin connector
that connects to the console.
P2 is a 14 pin connector that
connects to the alternator and
power resistor.
Location Pin Functional Description
1 RPM (0-7.5 VDC)
2 VBAT (9VDC)
3 NOT USED (BLANK)
4 LOAD
5 START
6 GROUND
7 GROUND
8 ALTREGLO (9-11 VDC)
9 VSYS (7-8 VDC)
1 FLD RTN
2 FIELD (1-4 VDC)
3 VALT (10 VDC)
4 LOAD
5 LOAD
6 GROUND
7 GROUND
8 RPM (0-7.5VDC)
9 VALT
10 LOAD
11 LOAD
12 GROUND
13 GROUND
14 GROUND
14
P1
P2