Riso GR 3770 - Page 93

DESCRIPTION OF PCBs
LCD CONTROL PCB
APX(II)-25 GR3770
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
40pins
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
System PCB2
CN2
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
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
CN4
7pins
1
2
3
4
5
6
7
+5.1V
+5.1V
GND1
GND1
N.C.
-12V
PF/
18
19
10
11
4
7
Rd
Br
Bk
Bl
Yw
Vt
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
SL0
SL1
SL2
SL3
SL5
SL6
SL7
SL9
SK0
SK1
SK2
SK3
SK4
SK5
RL0
RL1
RL2
RL3
RL4
RL5
RL6
RL7
+5V
+5V
GND
GND
GND
DISP-EN
CN8
36pins
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
Flexible wire
Main SW
PCB CN10
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
GND
GND
GND
+5V
DISP-EN
SK5
SK4
SK3
SK2
RL7
RL6
RL5
RL2
RL1
RL0
SL10
SL8
SL4
OUT4
OUT5
OUT6
OUT7
OUT0
OUT1
OUT2
OUT3
CN9 26pins
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
Flexible wire
Sub SW
PCB CN11
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
CN6 13pins
1
2
3
4
5
6
7
8
9
10
11
12
13
D3
D2
D1
D0
FLM
M
CL1
CL2
N.C.
+5V
GND
-12V
V0
CN7 3pins
1
2
3
ACVOUT1
N.C.
COM-OUT
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Wh
Rd
Wh
Wh