Life Fitness T3, Service Manual

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Section 4 4
Life Fitness T-Series Consumer Treadmills
ELECTRONIC OVERVIEW – T3/T5 Console
Functional Description
The T3/T5 console is designed to act as an intelligent display and keypad interface. It is intended to work in
conjuction with the Motor Control module to form the nucleus of the I/O and control system. The console board
periodically reads the keypad input port to check for user inputs, updates and refreshes the status LEDs, data
display, and communicates with the Motor Control module.
Connector and Pin Functions
Connector Location Pin Functional Description
1 ESD ground
2 Switch return 4
3 Switch strobe 1
4 Switch return 3
5 Switch strobe 3
6 Switch return 1
7 Switch strobe 2
8 Switch return 2
9 Switch strobe 1
10 Switch return 1
11 Switch return 0
12 Switch strobe 0
P1 is a 13 pin connector is used
to connect to the membrane
switch to the console
13 ESD ground
1 +5 Vdc
2 Polar signal
P3 is a 3 pin connector used to
connect the polar receiver
module to the console
3 Ground
P3
P1
P4
1
13