Controlling The Reversal Motor (M11); Outline - Canon GP605 Service Manual

C.

Controlling the Reversal Motor (M11)

1.

Outline

Table 7-401 shows the function of the reversal motor control circuit, and Figure 7-404 is a
block diagram of the circuit.
Item
Power supply Supplies 24 V from the no-stacking feeder driver PCB.
Drive signal Signal (DUPI_OFF) from the DC controller PCB.
Operating/drive See Figure 7-401.
assembly
Control ON/OFF control
Direction control
No error code; however, if a fault in the drive of the motor, a jam will occur.
Error detection
DC controller
PCB
J519
A8
A7
CPU
(IC13)
A6
A5
Phase B excitation control signal
COPYRIGHT © 1999 CANON INC.
Table 7-401
When the M11 drive signal goes '1',
the pickup motor starts to rotate.
When the M11 drive signal goes '0',
the pickup motor stops.
No-stacking feeding
driver PCB
J3602
DUPI-OFF
A5
DUPI-B
A6
DUPI-A
A7
A8
Phase A excitation control signal
Figure 7-404
CANON GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 7 PICK-UP/FEEDING SYSTEM
Description
+24V
Interface
circuit
Interface
Motor
circuit
driver
(IC1)
Interface
circuit
+24V
J3603
A
A9
A11
A*
A8
B
A7
A10
B*
A6
M11
7-25