Canon NP6412 Service Manual page 401

PDP3
C16
PDP2
C17
PDP1
C18
DIGIT0
DIGIT1
DIGIT2
DIGIT3
COPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
+5V
R19
R41
9
J5
+5V
8
J5
R20
7
J5
+5V
TP1
R21
8
R42
6
J5
+5V
5
J5
R22
4
J5
+5V
TP1
R23
9
R43
3
J5
+5V
2
J5
R24
1
J5
+5V
SW2
1
5
2
4
8
D2
HC14
R31 R30
REQ 1
2
Q6 C19
Q9
ACK
D3
HC14
R35 R34
RXD 3
4
Q6 C20
Q10
TXD
+5V L1
R37 R38
DIPSW1 2 3
DIPSW0 1 4
+5V
SW1
R39
PSW
SW3
ADF Controller Circuit Diagram (3/3)
+5V
R29
8
J2 REQ
+5V
7
J2
R32
6
J2 ACK
+5V
5
J2
R33
4
J2 TXD
+5V
3
J2
R36
2
J2 RXD
1
J2
HC14
5
6
Q6
HC14
9
8
Q6
HC14
11
10
Q6
HC14
13
12
Q6
A-17