Icom IC-F5121D, Service Manual

Page: 37 / 40

11 - 3
• MAIN UNIT (2/3)
*: Refer to the PARTS LIST for the value and name of component.
13.6V
2.2V
13.6V
Power ON 2.8V
Power OFF 0.0V
3.3V
1.9V
8.0V
8.0V
TX 8.1V
RX 0.0V
TX 0.0V
RX 7.9V
3.3V
5.0V
265mVrms
5.0V
C1092 0.1
UNLK
C1026 1
C1135 0.001
C1132 0.001
C1053 10
D ISC
R1086
560K
C1061 0.001
R8V
R1009 10K
C1100 0.001
D1004
DA221
+5V
C1025 68P
S1001
MINISMDC050F
R1032
10K
C1018 0.001
EP1002
CP30
C1045 0.001
C1046
1
J1002
R1054 220K
C1106 0.1
1 2 3
4 5 6
R1099 100K
HV
C1101 0.1
C1008 470
R1045 10K
T1
C1059 0.001
R1008
0
C1024 220P
C1095 0.1
C1129
0.1
R1062 100K
I
R1100 EXB28V102J
L1001
MLF1608A
R1098
ERTJ0EP473J
R1040 1M
R1027
0
C1022 47P
C1128
0.1
C1077 0.001
C1003 0.001
Q1003
2SJ506S-E
R1013 47K
R1025 6.8K
C1075 0.001
C1029 0.001
R1028
47
D1008 DA221
R1005
1K
RSSI
Q1011
2SD1664
J1003
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
R1023
10K
K
C1057 0.1
R1084 EXB28V102J
C1051 0.001
SCK
C1080 0.01
R1016
100K
C1040 10
+ 3.3 V
R1046
2.2K
C1038 0.1
R1035 10K
J 1001
1
2
3 4
R1026 6.8K
R1077
10K
C1031 0.001
D1005
DA221
D1003
DA221
C1060 0.001
D
Q1013
2SA1577
MOD
R1010 10K
C1062 0.001
DIF
RX C
C1042 0.1
PLST
F
C1074 0.001
T2
R1020 100K
R1037 100K
I C1006
1
VIN7
2
VIN0
3
VOUT0
4
VOUT1
5
VIN1
6
RSTN
7
CS
N
8
SCLK
9
SDATA
10
DVDD
11
VSS
12
AVDD
13
VREF
14
VIN2
15
VOUT2
16
VOUT3
17
VIN3
18
VIN4
19
VOUT4
20
VOUT5
21
VIN5
22
VIN6
23
VOUT6
24
VOUT7
25
R1082 EXB28V102J
C1076 0.001
R1083 1K
C1032 0.1
R1029
1K
R1033 6.8K
C1131 47
R1014 100K
C1023 0.001
C1019
470
VCON
C1039 470
C1043
0.1
C1063 10
R1036
4.7K
C1028 0.001
SQIN
LVIN
TMUT
D1002 DSA3A1
NWC
EP1001
D1006 DA221
C1136 0.1
R1056 220K
Q1008
DTC363EK
R1089
10K
C1071 0.1
R1044
100K
C1037 10
R1043 1M
F
R1039 100K
R1059 EXB28V102J
R1012
4.7K
C1012 47P
R1068 1K
C1015 0.001
NOIS
C1010 0.001
R1048 20K
T8V
C1052 0.1
C1102 47P
R1018
100K
C1119 47P
C1056 1
C1007 0.001
I C1002
I O
G
I C1004
TA75S01F
2
1
3
4
5
G
R1049 4.7K
R1022 1K
8V
C1014 0.001
R1093
100K
R1047 10K
R1021 1K
C1033 470
C1048 0.47
C1017 0.001
C1058 10
SSO
LVA
Q1014
2SB1132
Q1019
XP6501
AD S
C1109
1
I C1005
1
GAIN1
2
GAIN2
3
DET
4
OUT
5
BUFFI N
6
BUFFGAIN
7
BUFFOUT
8
GND
9
V+
10
VREF
11
SENSE
12
INT
13
GAINSW
14
IN
C1111 1 C1112 0.1
C1098 1
C1096
1
C1110
1
W2
OPC-1195C
Q1017 2SB1132
C1065 0.001
DRES
VREF
DMOSI
DSCK
DSS
DM I
DIF
DM O
DAFO
DMISO
DSIRQ
DPDN
1 2 3
4 5 6
C1066 1
PLSW
R1069 1K
R1070 1K
R1031 10K
Q1018
LDTC114YE
Q1016
LDTC114YE
Q1001
LDTC114YE
Q1005
LDTC114YE
Q1012
LDTC114YE
R1080
120K
IC1001
XC6408EN22PR-G
1
VROUT
2
VSS
3
CD/VSEN
4
VDOUT
5
VI N
Q1007
LDTC114YE
Q1010
LDTC114YE
R1030 10K
IC1008
TC7W53FK
1
COM
2
IN H
3
VE E
4
GND
5
A
6
CH1
7
CH0
8
VCC
Q1020
LDTC114YE
R1064 100K
C1083 0.001
C1138 0.001
R1003 91K
R1004 18K
IC1007
2
3
1
IC1007
9
10
8
IC1007
V+4
GND
11
R1060 EXB28V102J
R1038
1K
Q1015
XP6501
R1015
1K
Q1004
LDTC114YE
IC1007
6
5
7
IC1007
NJM13403V
13
12
14
R1104
15
R1105
15
Q1021
LDTC114YE
R1108 47K
D1007
L1SS400
C1005 0.1
C1036 0.1
C1064 10
C1011
0.1
C1141 0.01
C1142 0.1
J1004
1 2
3 4
5 6
7 8
9 1 0
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
IC1009
LA4425A
1
2
3
4
5
R1078
100K
R1055
100K
R1034
4.7K
R1024 2.2K
C1107
220P
C1082
0.1
C1081
0.1
C1070
220P
C1050
1
C1035 0.01
C1034
1
R1103 6.8K
R1081
18K
R1106
5.6K
R1092
1.8K C1108 270P
C1130 0.012
R1076
100K
C1143 0.1
R1111
47K
R1006
100K
R1071
100K
R1087
15K
R1095 5.6K
R1074
150K
C1144 0.1
C1127 0.0015
R1072 4.7K
R1057
150K
C1133
0.01
R1088
1M
C1099 1
R1101 6.8K
C1145
0.0082
R1112 330K
C1084
180P
R1085 1K R1114 1K
R1115 1K
C1139 0.068
C1140
0.033
C1097 0.0056
R1073 270K
R1063 15K
R1050 2.2K
R1116
2.7K
DET
R1090
180K
C
P1001
CP1002
Q1009 2SJ144
R1117 100K
R1094 100K
R1097 2.2K
R1107
3.9K
R1102
10K
C1137
0.018
R1096
150K
R1075 18K
SSO
PGIO4
SSO
ADS
VCON
MOD
+5V
AFON
SCK
AFON
BEEP
BEEP
VREF
NW C
SIG
AF
O
F
HV
+5V +5V
HORN
IGSW
NOIS
DM O
T2
TXC
8V
BATV
T1
TMUT
+3.3V
PGIO2
LVIN
LVA
LVIN
PLSW
R SSI
DISC
T2
PLST
ADS
SCK
PGIO4
+5V SSO
8V
DISC
UNLK
DRES
FRE F
NOIS
IN
UNLK
T1
+3.3V
+5V
T8V
MOD
RSSI
R8V
HORN
VREF
T8V
SCK
SQIN
SIG
VREF
+3.3V
R8V
RXC
BATV
RXC
NWC
SQIN
F
EAF O
EAF
O
PWON
RXC
LVA
DAS
T
VREF
TMUT
TEMP
DAFO
DI F
PGIO3
+5V
PLST
VCON
8V
DAST
VCC
AF
O
PGIO2
EPTT
DRES
VREF
DMOSI
DSCK
DSS
DMISO
DSIRQ
DMI
DM O
DAF O
DI F
DPDN
PWON PWON
+3.3V
PLSW
DMOSI
DSCK
IGSW
DSS
DMISO
DSIRQ DPDN
HV
EPTT
ADS
+5V
VREF
VCC VCC
TXC
8V 8V
8V
MI
C
DMI
FRE
F
+5V
+5V
+3.3V
+3.3V TEMP
DET
DET
PGIO3
DISC
NW
CIGSW
GND
SC K
HORN
R
SSI
PGIO3(TXD0)
TMUT
PGIO4
LVIN
D SCK
DMISO
MI C
8V
DMOSI
BEEP
DRES
AF PRE AMP
DSS RXC
Ext.I/O 4 (SERIAL)
SSO
CPU3.3V
GND
DISC
TXC
DAST
GND
EPTT
GND
PWON
GND
PLST
UNLK
AF AMP
AD S
PGIO2(RXD0)
VCC
Ext.I/O 14(EPTT)
Ext.I/O 7 (AFO)
TEMP
NOIS
GND
H:AFON L:MUTE
BATV
Ext.I/O 10(SERIAL)
Ext.I/O 11(HORN)
PLSW
AF O
AFON
Ext.I/O 6(IGSW)
DSIRQ
CRES
DPDN
SPLATTER
L:Digita l
H:Analog
300Hz HPF
6dB/oct
Limitter
ALC
(Digital only)
Digita l
A nalog
fc=6kHz LPF