Service manual
FO-IS125N
6 – 22
2. Operation Panel/Hook Switch PWB circuit (2/2)
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
6 6
5 5
4 4
3 3
2 2
1 1
DG
DG
+3.3V
DG
DG
+3.3V
DG
+3.3V
DG
DG
DG
+3.3V
+3.3V
RS/LCDA0
/SEN0
/SEN2
/SEN4
/SEN6
/SEN1
/SEN3
/SEN5
FRSNS
ORGSNS
LCDE/nLCDCS
RS/LCDA0
KEN3
KEN1
KEN0
KEN2
KEN1
KEN2
KEN0
KEN3
KEN1
KEN0
LCDE/nLCDCS
LCDE/nLCDCS
LEDON
LEDON
nLCDRES
nLCDRES
RS/LCDA0
CNPN
N.M.(74LV14A)
IC2B
C9
N.M.
1
2
CNFG1
N.M.(A2001WR2-2P)
C8
N.M.
C7
N.M.
R14
0
C19
N.M.
R3 N.M.
VSS
1
VDD
2
RES
3
A0
4
CS
5
SCL
6
SI
7
N.M.
CNLCD2
R4 N.M.
R11
1K
+
C12
N.M.(33u/16V)
1
2
CNFG2
N.M.(A2001WR2-2P)
R5 N.M.
R6
47(2125)
C20
N.M.
R7 N.M.
14
7
IC2C
N.M.(74LV14A)
C15
N.M.
R8
N.M.
11 10
N.M.(74LV14A)
3 4
R15
100
C11
N.M.
C16
N.M.
1 2
IC2A
N.M. (74LV14A)
C17
N.M.
C18
N.M.
C10
0.1u
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
HLW19S-2C7
+
C13
N.M.(4.7uF/25V)
12
LED
CL-197SYG
5 6
IC2A
N.M. (74LV14A)
DG
14
3.3V
13
VO
12
RS
11
R/W
10
E
9
DB0
8
DB1
7
DB2
6
DB3
5
DB4
4
DB5
3
DB6
2
DB7
1
CNLCD1
9619S-14A-GF
CNLCD1
R2
N.M.
R12
10K
C14
100pF
R13
0
9 8
N.M.(74LV14A)
13 12
N.M.(74LV14A)
B
E
C
Q1
RN1406
Operation Panel/Hook Switch PWB Circuit
Note: Since the parts of PWB cannot be supplied, change it as a unit.
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