Service Manual

Lifecycle 9500HR / 9100 Series Recumbent Exercise Bikes

ELECTRONICS OVERVIEW - LC9100 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 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)

P1 is a Molex 9 pin connector

that connects to the Console

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

P2 is a 14 pin connector that

connects to the Alternator and

Power Resistor

14 GROUND