Canon PC920 Service Manual - Page 371
ADF Controller Circuit Diagram 2/3
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ADF Controller Circuit Diagram (2/3) TP1 B* 4 TP1 A 1 TP1 A* 2 TP1 B 3 TP1 NC 5 TP1 10 +5V R8 R12 C13 R9 R14 +24V 1 J3 MB 2 J3 MA 5 J3 MA* 3 J3 MB* 4 Q4 J3 +24V +5V R11 1 OUTA* 3 VrefA 5 INA* 7 VSA 9 RSA 11 OUTB* 13 TdB 15 GND 17 INB 2 TdA 4 GND 6 INA 8 OUTA 10 RSB 12 VSS 14 VrefB 16 INB* 18 OUTB +24V C12 R13 +5V R10 C11 C14 R15 +24V TP1 DM0 6 7 4 6 TP1 VCC NC DM1 7 1 IN1 2 IN2 3 OUT1 5 OUT2 OUTA OUTA* 7 J3 6 J3 GND Q5 +5V R16 1 J7 Q8 LED 2 J7 A-16 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
A-16
COPYRIGHT
©
1999
CANON INC.
CANON
PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
ADF Controller Circuit Diagram (2/3)
2
TdA
GND
4
INA
6
OUTA
8
VSA
7
5
INA*
3
VrefA
1
OUTA*
Q4
C11
+5V
R10
Q8
+5V
R16
LED
J7
2
1
J7
6
J3
OUT2
5
OUTA*
2
IN2
IN1
1
OUT1
3
OUTA
7
J3
4
GND
6
7
+24V
NC
VCC
Q5
DM1
TP1
7
DM0
6
TP1
C12
R11
+5V
9
RSA
11
OUTB*
13
TdB
15
GND
17
INB
+24V
RSB
10
VSS
12
VrefB
14
INB*
16
OUTB
18
MB*
4
J3
MA*
3
J3
MA
5
J3
MB
2
J3
1
J3
+24V
+24V
R13
C14
R15
R14
C13
+5V
R8
R9
R12
B
TP1
3
A*
TP1
2
A
TP1
1
B*
TP1
4
TP1
5
NC
TP1
10