Canon PC980 Service Manual - Page 372
ADF Controller Circuit Diagram 3/3, DIGIT0, DIPSW1
UPC - 030275182323
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PDP3 PDP2 PDP1 R41 C16 +5V R19 +5V R20 +5V TP1 R21 R42 8 C17 +5V R22 +5V TP1 R23 R43 9 C18 +5V R24 9 J5 8 J5 7 J5 6 J5 5 J5 4 J5 3 J5 2 J5 1 J5 +5V R28 R27 R26 R25 DIGIT0 DIGIT1 DIGIT2 DIGIT3 SW2 1 5 2 4 8 ADF Controller Circuit Diagram (3/3) REQ ACK RXD TXD DIPSW1 DIPSW0 PSW +5V HC14 2 1 Q6 Q9 D2 R31 R29 R30 C19 +5V R32 +5V HC14 4 3 Q6 Q10 D3 R35 R33 R34 C20 +5V R36 +5V L1 8 J2 REQ 7 J2 6 J2 ACK 5 J2 4 J2 TXD 3 J2 2 J2 RXD 1 J2 R37 R38 2 3 1 4 +5V SW1 R39 SW3 HC14 6 5 Q6 HC14 8 9 Q6 HC14 10 11 Q6 HC14 12 13 Q6 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) A-17
A-17
COPYRIGHT
©
1999
CANON INC.
CANON
PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
ADF Controller Circuit Diagram (3/3)
Q10
TXD
1
J5
R43
R28
DIGIT0
R27
R26
R25
+5V
DIGIT1
DIGIT2
DIGIT3
1
2
4
8
SW2
5
2
J5
3
J5
R24
+5V
R23
+5V
TP1
9
PDP1
C18
R22
TP1
C17
PDP2
R42
8
R21
5
4
+5V
6
J5
J5
J5
+5V
R20
C16
PDP3
R41
R19
8
7
+5V
9
J5
J5
J5
+5V
2
J2
R36
+5V
RXD
3
J2
1
J2
4
J2
+5V
R33
C20
R34
RXD
R35
D3
HC14
13
12
Q6
HC14
Q6
10
11
HC14
Q6
8
9
HC14
Q6
6
5
L1
R38
+5V
R37
DIPSW1
TXD
Q6
HC14
4
3
3
2
DIPSW0
4
1
SW1
R39
+5V
PSW
SW3
ACK
REQ
REQ
ACK
R30
R31
Q9
Q6
HC14
2
1
C19
D2
6
5
J2
J2
+5V
R32
R29
7
J2
8
J2
+5V