S
S
e
e
r
r
v
v
i
i
c
c
e
e
M
M
a
a
n
n
u
u
a
a
l
l
D
D
e
e
s
s
c
c
r
r
i
i
p
p
t
t
i
i
o
o
n
n
D
D
e
e
s
s
c
c
r
r
i
i
p
p
t
t
i
i
o
o
n
n
4
4
DESCRIPTION
A E
LECTRICAL
C
ONFIGURATION
Note:
Electrical servicing of this treadmill is limited to board
level replacement.
1. ST300-YT42 TREADMILL COMPONENTS
a)
SFAETY KEY:
To fits on the Console that activate all functions. If no
safety key, console can not be controlled.
b)
Console:
Interface that controls all functions of the treadmill.
c)
Main controller:
The circuit board consist of the DC power supply for
consol
e、
incline drive
r
and DC motor driver, link the
console to output appropriate voltages for motor that
control the treadmill functions.
d)
Treadmill motor:
This is a variable speed for DC motor. To control the 0 –90
voltages on the main controller, it can to increase or
decrease speed of running belt.
e)
Incline motor:
This is an ac motor. User can to control variable
elevation by console within main controller
.
