Service manual
FO-IS125N
6 – 8
8. User I/F Block (7/12)
(1-3G)
(1-4G,8-1C)
(1-3G)
(1-6D)
(7-5E)
(7-4E)
(7-5I)
(7-5I)
(7-5I)
(1-3G)
(1
-1
D
)
(1-6D)
(7-5I)
(7-5I)
(7-5I)
(7-5I)
(7-4E)
(1-3G)
(1-4G,8-1C)
(8-6B)
(7-2B)
(7-3B)
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
6 6
5 5
4 4
3 3
2 2
1 1
LAN_AD3
LAN_AD6
LAN_AD2
LAN_AD4
LAN_AD1
LAN_AD0
LAN_AD5
LAN_D9
LAN_D8
LAN_D14
LAN_D11
LAN_D15
LAN_D12
LAN_D13
LAN_D10
KEN3
KEN0
KEN1
KEN2
LAN_A7
LAN_A5
LAN_A6
LAN_A4
LAN_A3
LAN_A2
LAN_A1
KEN3
KEN0
KEN1
KEN2
DG
+3.3V
DG
DG
DG
DG
+3.3V
+3.3V
DG
+3.3V
DG
DG
+3.3V
DG
DG
DG
+3.3V
+3.3V
+3.3V
nORGSNS
LCDE/nLCDCS
nFRSNS
nSEN0
nSEN2
nSEN4
nSEN6
nSEN1
nSEN5
nSEN3
nLCDRES
nSEN6
nSEN5
nSEN4
nSEN0
nSEN2
nSEN1
nSEN3
nPANELCS
LAN_D[15:7]
ALE
LAN_AD[6:0]
LEDON
KEN[3:0]
KEN[3:0]
LAN_A[7:1]
KEN[3:0]
RS
RS
RS/LCDA0
KEN0/LCDSD
KEN1/LCDCL
UART-RX for Checker
UART-TX for Checker
5
18
7
6
2
3
4
BR703
33Kx4
TP703
R700
10K
TP711
C716 N.M.
TP712
R708
0
C706 N.M.
C702
N.M.
C714 N.M.
TP715
TP714
R706
10K
C710 N.M.
C707 N.M.
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
IC701
SN74LV244APW
R705
0
C705 1000p
5
1 8
7
6
2
3
4
BR702
33Kx4
TP709
TP704
C717 N.M.
C719
1000p
TP705
R704 0
TP708
C711 N.M.
C704 N.M.
R707 10K
C715 N.M.
C713 1000p
C708 N.M.
R703
33K
TP717
C718
1000p
TP713
C703 N.M.
C709 N.M.
5
1 8
7
6
2
3
4
BR700
33x4
TP700
C700
0.1u
R709
33
TP716
OE
1
GND
10
LE
11
VCC
20
1Q
19
2Q
18
3Q
17
4Q
16
5Q
15
6Q
14
7Q
13
8Q
12
1D
2
2D
3
3D
4
4D
5
5D
6
6D
7
7D
8
8D
9
IC700
74VHC573FT
TP718
TP701
TP710
TP707
C701
0.1u
TP706
R701
10K
C712 N.M.
TP702
R702
N.M.
KEN3
1
KEN1
3
ORGSNS
5
LCDE
7
SEN1
9
FRSNS
6
SEN5
13
RS
15
DG
17
LCDRES
19
LEDON
18
PNLVCC
16
KEN2
2
KEN0
4
SEN0
8
SEN2
10
SEN3
11
SEN4
12
SEN6
14
CNPN
HLW19S-2C7
User I/F Block
7/12