Canon LBP-1000 Service Manual page 42

CHAPTER 2
Laser/scanner unit
J1705-4 J1009-1
-3
Scanner
motor
-2
-1
J1706-3 J1009-12
-2
BD PCB
-1
J801-7 J1009-5
-2
Laser
diode
-1
-3
Laser
driver
J1702-3 J1007-1
Main motor
-2
M1001
-1
2 - 8
Intermediate PCB
J1001-24
Scanner motor
drive support
-27
circuit
-2 -25
-3 -26
-4 -10
J1001-16
-13 -17
-15
-14
J1001-22
-10 -19
-11 -18
-9 -20
J1001-6
-2 -7
-3 -5
Figure 2-2-4
Engine controller PCB
+24VA
J401-4
-1
SVCHG Scanner motor power control signal
-3
/ACC Scanner motor acceleration signal
-2
/DEC Scanner motor deceleration signal
-18
+3.3V
J401-12
-11
/BDI BD input signal (pulse signal)
-13
+5V
J401-6
-9
CNTRL1 Laser control signal 1
-10
CNTRL0
Laser control signal 0
-8
J401-22
/MON
"L" to drive the main motor.
-21
+24VA
-23