Service Manual

Lifecycle 9500HR / 9100 Series Recumbent Exercise Bikes

ELECTRONICS OVERVIEW - LC9500HR ALTERNATOR CONTROL BOARD

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 from the alternator to

the load resistor while providing

supply voltage for the console

while charging the system battery.

Connectors and Pin Connections

Connector Location Pin Functional Description

1 GROUND - BLACK

2 GROUND – BATTERY

3 NOT USED (BLANK)

4 VSYS (7-8VDC)

5 ALTREGLO (9-11 VDC)

6 LOADCMD

7 RPM (0-7.5VDC)

8 START (7-8VDC)

9 VBAT – (6VDC)

10 GROUND – BATTERY

P1 is a Molex 11 pin connector

that connects to the Console

11 GROUND

1 GROUND – ALTERNATOR

2 GROUND – ALTERNATOR

3 GROUND – ALTERNATOR

4 RPM (5VDC)

5 GROUND – ALTERNATOR

6 FIELD (1-4 VDC)

7 LOAD

8 LOAD

9 LOAD

10 VALT (10VDC)

11 VALT (10VDC)

P2 is a 12 pin connector that

connects to the Alternator and

Power Resistor

12 LOAD

Section IV