Service manual

Revision D 4-9
Troubleshooting : Power PCB Theory
Series 2000 Treadmill
409110-004
Table 4-6. J9 CPU Board Interface–I/O and Power
PIN # NAME TYPE IN/OUT FREQ. COMMENTS
J9-1
GND GND COM DC Digital Ground
J9-2 +5V PWR OUT DC +5V SUPPLY
J9-3 GND GND COM DC Digital Ground
J9-4 +5V PWR OUT DC +5V SUPPLY
J9-5 START CMOS IN PULSE Belt START pulse
(latched)
J9-6 BRAKE* CMOS IN PULSE Belt (FAST) STOP
pulse
J9-7 UP/DOWN* CMOS IN LEVEL Elevation Direction
J9-8 COAST* CMOS IN PULSE Belt COAST &
FAULT RESET
J9-9 EN-ELEV CMOS IN LEVEL Elevation Motor
RUN
J9-10 DRIVE-EN CMOS IN LEVEL NOT USED
J9-11 SETSPEED CMOS IN 2KHZ 0-2 KHZ DRIVE
SPEED CMD
J9-12 RESET* CMOS IN LEVEL CPU RESET signal
J9-13 TXCOMM CMOS IN 10KHZ RS422 TX signal
J9-14 GND GND COM DC Digital Ground
J9-15 RXCOMM CMOS OUT 10KHZ RS422 RX signal
J9-16 GND GND COM DC Digital Ground
J9-17 TACH-A CMOS OUT 10KH QUAD-DRV SPEED
& DIR FB
J9-18 GND GND COM DC Digital Ground
J9-19 TACH-B CMOS OUT 10KHZ QUAD-DRV SPEED
& DIR FB
J9-20 GND GND COM DC Digital Ground
J9-21 LIMIT* CMOS OUT LEVEL Elev Limit Switch
reached
J9-22 GND GND COM DC Digital Ground
J9-23 ESTOPSW CMOS OUT LEVE ESTOP SWITCH/
RELAY active
J9-24 SPEAKER ANA IN 10KHZ To 8-ohm Speaker
J9-25 ESTOPTRP CMOS OUT PULSE ESTOP/POWER
insanity 1sho
J9-26 SPEAKER ANA IN 10KHZ To 8-ohm Speaker