12
2 Electrical Section
2
MAIN BOARD_2/3 Circuit Diagram
/ACK
/STB
BUSY
/DSRA
RXDB
TXDA
TXDB
RXDA
/DTRA
/RTSA
CRDY
/RESET
/CRD
D7
D6
D5
D4
D3
D2
D1
D0
RXDB
/DSRA
TXDA
TXDB
RXDA
/DTRA
/RTSA
D0
D1
D2
D3
D4
D5
D6
D7
D[0..15]
PAPER SENSOR REAR
PAPER SENSOR FRONT
COVER SW
TO I/F BOARD
+5
+5
+5
+5
+5
+5
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OC
1
G
11
U26
74LS373
D
2
Q
5
CLK
3
Q
6
4
1
U27A
74HC74
D
12
Q
9
CLK
11
Q
8
PR
10
CL
13
U27B
74HC74
C28
CE1000p
R34
3.3K
13
12
U12F
74LS14
R35
1K
R36
1K
CEXT
14
REXT/CEXT
15
A
1
B
2
CLR
3
Q
13
Q
4
U13A
74HC123F
1
2
U14A
74LS07
3
4
U14B
74LS07
11
10
U12E
74LS14
C35
CE470p
C36
CE470p
C37
CE470p
C38
CE470p
C39
CE470p
R25
100
R26
100
R27
100
R28
100
R29
100
1
2
3
U18A
74HC08
1
2
3
4
5
6
7
8
CN6
IL-FPC-8ST-N
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
CN2
IL-FPC-26ST-N
1
2
CN10
IL-S2T2-02EF
P10
1
2
3
4
5
10
9
8
7
6
RA16
EXBA10E103J
+5
ifD7
ifD6
ifD5
ifD4
ifD3
ifD2
ifD1
ifD0
ifD7
ifD6
ifD5
ifD4
ifD3
ifD2
ifD1
ifD0
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
A7
8
A8
9
G
19
DIR
1
B1
18
B2
17
B3
16
B4
15
B5
14
B6
13
B7
12
B8
11
U16
74LS245
SOL+
SOL-
TO CARIAGE BOARD
PC10
CE0.1u
PC9
CE0.1u
PC8
CE0.1u
PC7
CE0.1u
PC6
CE0.1u
PC5
CE0.1u
PC4
CE0.1u
PC3
CE0.1u
PC2
CE0.1u
PC1
CE0.1u
PC20
CE0.1u
PC19
CE0.1u
PC18
CE0.1u
PC17
CE0.1u
PC16
CE0.1u
PC15
CE0.1u
PC14
CE0.1u
PC13
CE0.1u
PC12
CE0.1u
PC11
CE0.1u
PC21
CE0.1u
+5
TO POWER BOARD
+5
1
4
2
5
3
6
CN5
5566-06A
5
6
U14C
74LS07
9
8
U14D
74LS07
11
10
U14E
74LS07
13
12
U14F
74LS07
1
2
U12A
74LS14
+
C40
100u/25V
+
C53
100u/25V
+
C54
100u/25V
+40
+
C43
100u/63V
-15
SENS
5
6
U12C
74LS14
10
9
8
U25C
BA10324A
12
13
14
U25D
BA10324A
3
4
U12B
74LS14
CEXT
6
REXT/CEXT
7
A
9
B
10
CLR
11
Q
5
Q
12
U13B
74HC123F
PC28
CE0.1u
PC29
CE0.1u
PC30
CE0.1u
1
2
3
4
5
6
CN9
53014-0610
Y_Limit
Pinch Roll
Cover Close
F_Paper
R_Paper
F-Paper edge sens
R-Paper edge sens
Cover SW
Y-Limit sens
Pinch Position
SOL+
SOL-
VI
1
GND
2
VO
3
U5
AN7805F
PC32
CE0.1u
PC33
CE0.1u
+AV5
PR
CL
Summary of Contents for CAMM-1 PRO CM-300
Page 4: ... MEMO ...
Page 6: ...2 1 Structure Spare Parts 1 1 2 FRAME ...
Page 28: ...24 3 Replacement of Main Parts 3 MEMO ...
Page 62: ......
Page 63: ...CM 500 400 300 ...