Riso GR 3770 Technical Manual page 73

CN2 40pins
A20 A1
Rd
A19 A2
Gy
A18 A3
Gy
D00
A17 A4
Gy
GND1
A16 A5
Bl
D01
A15 A6
Gy
GND1
A14 A7
Gy
D02
A13 A8
Gy
GND1
A12 A9
Gy
D03
A11 A10
Bl
GND1
A10 A11
Gy
D04
A9 A12
Gy
GND1
A8 A13
Gy
D05
A7 A14
Gy
GND1
A6 A15
Bl
D06
A5 A16
Gy
GND1
A4 A17
Gy
D07
A3 A18
Gy
GND1
A2 A19
Gy
A00
A1 A20
Bl
GND1
B20 B1
Rd
A01
B19 B2
Gy
GND1
B18 B3
Gy
A02
B17 B4
Gy
GND1
B16 B5
Bl
PNL-CS/
B15 B6
Gy
GND1
B14 B7
Gy
IORD/
B13 B8
Gy
GND1
B12 B9
Gy
IOWR/GND1
B11 B10
Bl
RESET/
B10 B11
Gy
GND1
B9 B12
Gy
IREQ/
B8 B13
Gy
GND1
B7 B14
Gy
PNL-EN/
B6 B15
Bl
GND1
B5 B16
Gy
WAIT
B4 B17
Gy
GND1
B3 B18
Gy
BUSY
B2 B19
Gy
GND1
B1 B20
Bl
N.C.
N.C.
10pins
CN5
+5V 1 Rd
GND1 2 Bk
+12V 3 Y w
TPH CTL Sig. 4 Gr
Suction Fan sig. 5 Bl
Power fail sig. 6 Gy
+24VA 7 Or
+24VB 8 Bl
+24VC 9 Y w
GND2 10 Br
CN3
ADGND
ADVCC
N.C.
Paper size sensor
Temp.det.sensor
N.C.
GND1
GND1
GND1
GND1
D00
D01
D02
D03
D04
D05
D06
D07
GAZO-CS1
LCD Control PCB
GAZO-CS2
CN2 IOER/
IORD/
A00
A01
A02
A03
A04
A05
CK/
LST/
YUKOU/
KUKAN
N.C.
I/F-RDDATA
I/F-WRDATA
GND1
GND1
GND1
GND1
RESET/
CN4 8pins
GND1 1
TAPE END 2
Signal A 3
Signal B 4
GND1 5
+5V 6
GND2 7
+24VB 8
17
9
2
CN5
5
6
Power Supply
8
PCB
1
7
CN2
2
4
APX(II)-5
40pins
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Image Processing PCB
20
CN2
21
22
23
24
25
26
27
28
29 I/F PCB set sig.
30
Paper sensor sig.
31 Paper rcv.sen.2 sig.
32 Master count sig.
33
Copy count sig.
34
35
36
37
38
39
40
Job
Separator
Paper feed det.sen.sig.
DESCRIPTION OF PCBs
SYSTEM PCB2
CN6 60pins
A1
GND1
B1
GND1
A2
GND1
B2
GND1
A3
GND1
B3
GND1
A4
+5V
B4
+5V
A5
+5V
B5
+5V
A6
GND2
B6
GND2
A7
GND2
B7
+24V
A8
+24V
B8
+24V
A9
TXD1
B9
RXD1
A10
RTS1/
B10
CTS1/
A11
TXD2
B11
RXD2
A12
RTS2/
B12
CTS2/
A13
TXD3
B13
RXD3
A14
RTS3/
B14
CTS3/
A15
Option PCB AIII
B15
(I/F) CN1
A16
B16
A17
B17
CK/
A18
LST/
B18
YUKOU/
A19
N.C.
B19
I/F-RDDATA
A20
I/F-WRDATA
B20
N.C.
A21
D00
B21
D01
A22
D02
B22
D03
A23
D04
B23
D05
A24
D06
B24
D07
A25
A00
B25
A01
A26
A02
B26
A03
A27
N.C.
B27
A28
N.C.
B28
N.C.
A29
CS/
B29
RD/
A30
WR/
B30
RESET
GR3770