Service manual

FO-4400U
FO-CS1
Point- to-point diagram and connector signal name (2)
4 – 4
CNRS1
1
2
3
4
5
1
2
3
4
5
CD
RD
TD
DTR
GND
CD
RD
TD
DTR
GND
PC
REWRITING
VERSION UP
FLASH ROM
CNOP
DG
CLEO
DG
ALEO
DG
/WP1
+3.3V
/NANDWR
+3.3V
/OPCS
+3.3V
/BUSYOP
R/W
/NANDRD
/DEN
OPD7
OPD6
OPD5
OPD4
OPD3
OPD2
OPD1
OPD0
MEMDTC0
DG
MEMDTC1
DG
DG
DG
DG
DG
CLEO
DG
ALEO
DG
/WP1
+3.3V
/NANDWR
+3.3V
/OPCS
+3.3V
/BUSYOP
R/W
/NANDRD
/DEN
OPD7
OPD6
OPD5
OPD4
OPD3
OPD2
OPD1
OPD0
MEMDTC0
DG
MEMDTC1
DG
DG
DG
DG
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
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
CNOP1
CONTROL PWB
(2/2)
MEMORY
PWB
OPTION
FO-8MK