Lexmark 4227 Service Manual - Page 119
Tractor 2 cable connectors, Motor Phase A; 0 V dc when Tractor 2
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4227-300 Tractor 2 cable connectors The Tractor 2 cable is soldered to the board at CN1. Pin CN1-1 CN1-2 CN1-3 CN1-4 CN1-5 CN1-6 CN1-7 CN1-8 CN1-9 CN1-10 CN1-11 CN1-12 CN1-13 Mode +26 V dc +26 V dc Frame Gnd Not used. +5 V dc Motor Common D-Set (signal for Tractor 2 plugged in) Signal Gnd Motor Phase A; 0 V dc when Tractor 2 not in use; 0 V dc when Tractor 2 is in use. Motor Phase B; +5 V dc when Tractor 2 not in use; 0 V dc when Tractor 2 is in use. Not used. Slider Home Sensor; +5 V dc when open, 0 V dc when closed. Tractor 2; +5 V dc when open, 0 V dc when closed. Locations and connectors 6-15
Locations and connectors
6-15
4227-300
Tractor 2 cable connectors
The Tractor 2 cable is soldered to the board at CN1.
Pin
Mode
CN1-1
+26 V dc
CN1-2
+26 V dc
CN1-3
Frame Gnd
CN1-4
Not used.
CN1-5
+5 V dc
CN1-6
Motor Common
CN1-7
D-Set (signal for Tractor 2 plugged in)
CN1-8
Signal Gnd
CN1-9
Motor Phase A; 0 V dc when Tractor 2 not
in use; 0 V dc when Tractor 2 is in use.
CN1-10
Motor Phase B; +5 V dc when Tractor 2
not in use; 0 V dc when Tractor 2 is in use.
CN1-11
Not used.
CN1-12
Slider Home Sensor; +5 V dc when open,
0 V dc when closed.
CN1-13
Tractor 2; +5 V dc when open, 0 V dc
when closed.