Training Manual
Part Functionality
E-ST (Model 9-5090), LED Display
In this section, we will review all the components that make up the stepper. To resolve issues that may occur on an E
Series stepper, it is important to understand all the components and what function they play in the system.
1. Display Assembly (LED)
The display assembly is like the brains of the unit. It
controls and commands the stepper to take actions. It is the
user interface to control the machine. It also does the
following:
• RPM calculations
• Calorie calculations
• Pre-designed programs
• Heart rate calculation
Display
There are two main components to the display assembly:
Display Panel
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Display Electronics
Components that connect to the display electronic:
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A. Display Panel (J7
– 12
pin connector
)
B. Center Console
, Basic
(J8 – 6 pin connector
)
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–The main keypad that is used to enter commands.
–The small keypad that has the ‘Quick Start’ key. If the unit has any
kind of entertainment, there will be extra keys for that.
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C. CSAF
E Power
(J10
– 6
pin connector
)
D. Polar Receiver (J11
– 3
pin connector
)
external add on audio accessories.
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– The external CSAFE port. Note: This port is only used to supply power to
by a chest strap).
– The telemetry/wireless heart rate plugs in here (receives the signal sent out
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E. Contact Heart Rate (6
pin connector
on the standoff
heart rate
board)
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here. The contact heart rate board is typically mounted on the display electronics.
– The contact heart rate board plugs in
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F. Fan Keypad (J1
– 8
pin connector
)
G. Fan Power (J3
– 2
pin connector
)
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– The small keypad at the top of the display housing.
– The fan gets power from the display electronic.
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H. Primary Port (J6
– 10
pin connector
)
I. Secondary Port (J5
– 10
pin connector
)
software into the display.
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– The primary port for uploading
uploading software into the display.
– The secondary port for
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J. Dis
play Cable (J4
– 12
pin connector
)
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– This is the main cable that connects the display to the LCB.
The display cable is like the nerves of the stepper. Information and power are sent up to the display and back down to the
LCB to control the unit. The display cable passes:
• Power to the display
• Commands for resistance level
• Signal for RPM
The data cable is polarized so it cannot be plugged in incorrectly.
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K. TV Interface (J9
– 7
pin connector
) –
L. HR Board Gro
und Cable
–
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NEVER use this port.
connects to the display frame.
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M. CCB (J14
– 7
pin connector
)
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Used for PVS and on “Made for iPod” kits only.
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Location of the LCB:
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2. Load Control Board (LCB)
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The LCB is the heart of the stepper. The LCB brings the power from brake and conditions it for distribution to the display
electronic.
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A.
RPM Sensor
Connector
(J1 – 4
pin connector
) –
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Connections and Components that plug into the LCB (PN: 711-3162)
This is where the LCB receives the signal from the RPM Sensor.
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B.
Alternator Cable Connector (J2
– 10 pin connector
) –
C.
Resistor Connector
(‘
R1_A
’ and
‘
R1_B
’) –
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Brings in the power from the alternator and controls the
resistance on the pedals. The battery cables are included with this connector to supply power for pause.
.
These connect to the two resistors. ‘R1_A’ connects to bottom connector
and ‘R1_B’ connects to the top connector on the resistors.
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D. CSAFE
Data
Connector (J3
– 8 pin
connector
) –
E.
Display Cable Connector (P1
–
12 pin connector
) –
data transfer.
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This is where the external CSAFE cable plugs in to the LCB for
down to the LCB to control the unit.
Information and power are sent up to the display and back
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F. Soft
ware Uploading Connector (JP1
– 10 pin
connector
) –
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This is used to load software into the LCB.
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A. Power/Line
Filter
–
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3. Other Electrical Components
Conditions the input power (when using the external power supply).
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B.
External Power/CSA
FE
/Coax Cable Connector
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a. External Power Supply Port – Is needed when the unit has a PVS or embedded touch screen installed.
b. CSAFE Port – This is where the RJ45 cable needs to be plugged in to make external equipment (like Fitlinxx)
communicate with the unit. Note: The CSAFE port on the outside of the display only delivers 12 volts.
c. Coax Cable Connector – This is where the coaxial cable connects to deliver TV signal to the PVS or an
embedded touch screen.
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A. Pedal Chai
n and Chain Springs
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4. Mechanical/Drive Components
a. The pedal chain is attached to the pedal linkage and drives the main shaft to create movement.
b. The chain springs supply constant tension on the pedal chains and returns the pedals back to their original
position (at the top).
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B. Sprocket/Clutch
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– This is where the chain goes around during pedal movement. During the down stroke the clutch
(one way bearing) closes to drive the main shaft and during the up stroke the clutch opens up.
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C. Transmission Chain
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– Connects the pedal drive to the main drive.
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D.
Alternator and Drive Belt
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a. Alternator Belt – Connects the alternator to the main drive.
b. Drive Belt – Connects the lower pulley to the main pulley.
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