Service manual

Revision D 2-4
Equipment Overview : General Description
Series 2000 Treadmill
409110-004
Block Diagram
MD1129-007E
INSULATED
DRIVE BELT
DRIVE MOTOR
CONTROL BOX
DRIVE SYSTEM
3.0 HP BRUSHLESS
MOTOR
ELEVATION SYSTEM
RIBBON
SCREW
TERMINALS
EMI
FILTER
L-C FILTERS
FL 1
FL 2
(3) 10M Ohm
BLEED–OFF
RESISTORS
30 M
800334-00X POWER BOARD
ELECTRONICS BOX
FUSES
F4, F5
CHASSIS
GND
TB1-1 TB1-2 TB1-3
SCREWS
TERMINALS
L1 L2
EXTERNAL
0.5ASB
FUSES
STRESS
SYSTEM
J1
800334-003
OPTION
OR
ISOLATED
RS - 422
ISOLATED
RS - 232
J3
SERVICE
COVER
J4 SELF–CAL
POWER
INPUT
200-240 V
50/60 Hz
2 -2 .5 KVA
POWER
CABLE
800320-00X CONTROL BOARD
ELEVATION MOTOR
CONTROL RELAYS
K1, K2, K4
“FLOATING GROUND”
CHASSIS
INSULATED SPACERS
INSULATED
COUPLING
ELEVATION RACKS
HIGH LIMIT SWITCH
LOW LIMIT SWITCH
ELEVATION FEEDBACK
5 - TURN POT
T1
XFMR
U9
5 VOLT
POWER
SUPPLY
F2
F1
OPTO-
COUPLERS
U10, U11
TXCOMM
HALLS
4, 5
HALLS
1, 2, 3, 4, 5
U7
TACH_A
U1
5 VOLT
ISOLATED
POWER
SUPPLY
FUSES
F6, F7
TACH_B
AEROVOX EMI
FILTER MODULE
(International
Units w/CE)
POWER
INLET
J6
10 µF MOTOR
RUN CAP
(mounted to
chassis)
J5
POWER BOARD
DOMESTIC UNITS
PCB
PLASTIC
9 - PIN “D”
E - STOP
REMOTE
(OPT)
9-PIN "D"
SERVICE PORT
LIGHTED
SWITCH
CB1
20ASB
U9
78310
PROCESSOR
U1, U3, U7, U8, U12
ANALOG OUTPUTS
RS-232 AND
VOLTAGE
DOUBLERS
(–7.5 V and +16.5 V)
U2
SPEAKER
DRIVER
U10
SRAM 62256
U13
8K X 8
EEPROM
U5,U6
FREQ TO
VOLT
CONV/
AMPL
5 V distributed
throughout
both PCBs
-7.5 V 16.5 V
ELEVATION MOTOR
1/8 HP
220 V 50/60 HZ
WALL OUTLET:
NEMA 6-20R
20 AMP
RXCOMM
5V
5V
PULSED
320V
HALLS
1 THRU 5
K3
STOP RELAY
STOP-PB
J2
DEBUG/ANA OUT
3TB
2TB
1TB
RT1
LIMITER
TB1-4 TB1-5 TB1-6
SPEED/0-10V
J12
J1/J9 - CPU I/F
J8 J7
(located behind
other PCBs)
U12
OPTO-
COUPLER
DRIVE ROLLER
SPEAKER
LS1
(located on
Power PCB)
TEMP SENSOR
U12, U16
8 - PIN
MINI-DIN