Canon NP6621 Service Manual page 71

2. Inputs to and Outputs from the Cassette Feeding Module-A2 Driver PCB (2/2)
Cassette 3
CL1cu
pick-up clutch
Cassette 4
CL2cu
pick-up clutch
Cassette
M1cu
unit motor
COPYRIGHT © 1998 CANON INC.
Cassette driver PCB
J 125- 1
- 2
J 125- 3
- 4
J 114- 1
- 2
- 3
- 4
- 5
- 6
Figure 3-115
CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
OPERATIONS AND TIMING
DC controller PCB
+24V
When '0', the pick-up clutch
turns ON.
C3PUCLD*
(pick-up roller rotates)
+24V
When '0', the pick-up clutch
turns ON.
C4PUCLD*
(pick-up roller rotates)
+24V
CMA
While M1cu is rotating,
+24V
CMA* alternates between '1' and '0'.
(pulse signal)
CMB
CMB*
3–15