Riso GR 3770 - Page 73

DESCRIPTION OF PCBs
SYSTEM PCB2
GR3770APX(II)-5
D00
GND1
D01
GND1
D02
GND1
D03
GND1
D04
GND1
D05
GND1
D06
GND1
D07
GND1
A00
GND1
A01
GND1
A02
GND1
PNL-CS/
GND1
IORD/
GND1
IOWR/GND1
RESET/
GND1
IREQ/
GND1
PNL-EN/
GND1
WAIT
GND1
BUSY
GND1
N.C.
N.C.
CN2
Rd
Gy
Gy
Gy
Bl
Gy
Gy
Gy
Gy
Bl
Gy
Gy
Gy
Gy
Bl
Gy
Gy
Gy
Gy
Bl
Rd
Gy
Gy
Gy
Bl
Gy
Gy
Gy
Gy
Bl
Gy
Gy
Gy
Gy
Bl
Gy
Gy
Gy
Gy
Bl
40pins
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
B20
B19
B18
B17
B16
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
LCD Control PCB
CN2
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
GAZO-CS2
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/
CN3
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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
40pins
Image Processing PCB
CN2
GND1
GND1
GND1
GND1
GND1
GND1
+5V
+5V
+5V
+5V
GND2
GND2
GND2
+24V
+24V
+24V
TXD1
RXD1
RTS1/
CTS1/
TXD2
RXD2
RTS2/
CTS2/
TXD3
RXD3
RTS3/
CTS3/
I/F PCB set sig.
Paper sensor sig.
Paper rcv.sen.2 sig.
Master count sig.
Copy count sig.
CK/
LST/
YUKOU/
N.C.
I/F-RDDATA
I/F-WRDATA
N.C.
D00
D01
D02
D03
D04
D05
D06
D07
A00
A01
A02
A03
N.C.
Paper feed det.sen.sig.
N.C.
N.C.
CS/
RD/
WR/
RESET
CN6
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
A11
B11
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A17
B17
A18
B18
A19
B19
A20
B20
A21
B21
A22
B22
A23
B23
A24
B24
A25
B25
A26
B26
A27
B27
A28
B28
A29
B29
A30
B30
60pins
Option PCB AIII
(I/F) CN1
CN5
10pins
+5V
GND1
+12V
TPH CTL Sig.
Suction Fan sig.
Power fail sig.
+24VA
+24VB
+24VC
GND2
17
9
2
5
6
8
1
2
3
4
5
6
7
8
9
10
Rd
Bk
Yw
Gr
Bl
Gy
Or
Bl
Yw
Br
Power Supply
PCB
CN4
8pins
GND1
TAPE END
Signal A
Signal B
GND1
+5V
GND2
+24VB
1
2
3
4
5
6
7
8
Job
Separator
CN5
CN2
1
7
2
4