Canon LBP-1000 Service Manual page 169

B. Input/output signals to/from intermediate PCB
Connector Pin Abbreviation I/O Logic
J1001 1
J1001 2
J1001 3
J1001 4
J1001 5
J1001 6
J1001 7
J1001 8
J1001 9
J1001 10
J1001 11
J1001 12
J1001 13
J1001 14 /RESET
J1001 15
J1001 16
J1001 17
J1001 18 CNTRL0
J1001 19 CNTRL1
J1001 20
J1001 21
J1001 22
J1001 23
J1001 24
J1001 25
J1001 26
J1001 27
J1005 1
J1005 2
J1005 3
J1006 1
J1006 2
J1006 3 /RESET
J1006 4
J1006 5
J1006 6
J1006 7
J1006 8
J1006 9
J1006 10
J1007 1
J1007 2
J1007 3
J1008 1
J1008 2
J1008 3
+24VR O
NC
NC
+24V I
+24V I
/MON I L Main motor drive signal
GND
FANON I L Fan drive signal
FLOCK O L Fan lock detection signal
GND
SC I/O H Status/command signal
SCLK O Pulse Serial clock signal
/BDO I Pulse Beam Detect signal
I L Reset signal
GND
+3.3V I
/BDI O Pulse BD output signal
I H Laser control signal 0
I H Laser control signal 1
GND
GND
+5V I
+5V I
+24V I
/ACC I L Scanner motor acceleration signal
/DEC I L Scanner motor deceleration signal
SVCHG I H Scanner motor power control signal
FANON O L Fan drive signal
FLOCK I L Fan lock detection signal
GND
+5V O
+5V O
O L Reset signal
/BDO O Pulse Beam Detect signal
SCLK I Pulse Serial clock signal
SC I/O H Status/command signal
GND
/VDO I L Video signal
VDO I H Video signal
GND
/MON O L Main motor drive signal
GND
+24V O
+24VB I
+24VA O
APPENDEX
Signal name
A - 7