Icom IC-7300 Service Manual page 42

(Amended page)
October 2016
• RF UNIT
8V
EP1022
R1027 R1022 MMZ1005Y102CT
2.7K
1K
R1021 R1023
1.8K 1.8K
J1001
BGA2866
R1011 R1016
C1020 C1031
TXRF
0 0 0.0047
0.0047
MMZ1005Y102CT
1SV308
J1071
D1053
D1214
C1071 D1081 C1084
RXRF
1SV308
0.1 1SV308 0.1 1SV308 L1101 L1102
D1101 220U 220U
C1102
C1103 C1105
0.1 0.0015 0.0027
B0S
B1S
R1002
10K
Q1098
LDTC143ZE
HAT13 HATTS
Q1110
LDTA114EE B2S
Q1001
LDTC143ZE
Q1097
LDTC143ZE
HATOF13 HATOFS
Q1099
LDTA114EE
B3S
T5V
B4S
EP201
J201
MMZ1005B601C
DSHK
[KEY]
EP202 SKYS
MMZ1005B601C
B5S
RL101
R103
FTR-B4CA009Z
270
B6S
Q101
LDTC143ZE
HSENI
B7S
J101 EP102
MPZ2012S601A
[SEND] R101
0
EP101
EALC
MMZ1005B601C
[ALC] R102
0
Explanatory notes
TX signal
RX signal
Voltage Line
R1047 R1042 EP1042 R1052
2.7K 18K
1K MMZ1005Y102CT
R1041 R1043
Q1051
L2SC4081
1.8K 1.8K
IC1031
C1034 C1045
3 6
0.1
0.0022
EP1041
MMZ1005Y102CT
EP1021
L1106
L1105
0.22U 0.22U
D1111 L1112 L1113 D1112
C1112
4.7U 4.7U 1SV308
1SV308 0.1
R1114
22K
0.03-1.59 MHz
Q1111
LDTC143ZE
1SV308
1SV308 C1125 L1122
D1121 0.001 10U D1122
R1123
1.60-1.99 MHz
22K
Q1121
LDTC143ZE
1SV308 C1135 L1132 1SV308
D1132
D1131 680P 6.8U
R1133
2.00-2.99 MHz
22K
Q1131
LDTC143ZE
1SV308
1SV308 C1145 L1142
D1142
D1141 390P 5.6U
R1143
3.00-4.49 MHz
22K
Q1141
LDTC143ZE
1SV308 C1155 L1152 1SV308
D1152
D1151 220P 3.9U
R1153
4.50-6.49 MHz
22K
Q1151
LDTC143ZE
1SV308
1SV308 C1165 L1162
D1161 200P 2.7U D1162
R1163
6.50-7.99 MHz
22K
Q1161
LDTC143ZE
1SV308 C1175 L1172 1SV308
D1172
D1171 180P 2.2U
R1173
8.00-9.99 MHz
22K
Q1171
LDTC143ZE
1SV308
1SV308 C1185 L1182
D1181 120P 1.5U D1182
R1183
10.00-14.99 MHz
22K
Q1181
LDTC143ZE
39
8V
IC1061
T5V
5 1
5V
VOUT VIN
2
VSS
4 3
NC CE
XC6209F502MR
4
D1052
C1052
V+
GND
0.1
BAR64
11
IC1501
NJM13403V
R1056
D1051 C1055 R1058
0
0.1
BAR64 0
LDTA114EE LDTC143ZE
Q1061
D1191 C1195 L1192
1SV308 82P 1.0U
R1193
15.00-21.99 MHz
22K
Q1191
LDTC143ZE
B8S
1SV308 C1205 L1202
D1201 68P 0.68U
R1203
22.00-29.99 MHz
22K
Q1201
LDTC143ZE
B9S
1SV308 C1215 L1212
D1211 82P 0.15U
R1213
30.00-49.99 MHz
54.01-69.99 MHz
22K
Q1211
LDTC143ZE
B10S
L1224
D1221 C1223 L1225
135N 135N
1SV308 56P C1225 L1223
C1227
75P 0.22U
C1229
33P
R1223
50.00-54.00 MHz
18P
22K
Q1221
LDTC143ZE
B11S
D1231 L1233 C1291 C1293 C1295
1SV308 72.0N
30P 39P
C1234
R1233
70.00-74.80 MHz
20P
22K
Q1231
LDTC143ZE
B12S
D1241 C1245 L1242
1SV308 9P 0.75U
R1243
50.00-54.00 MHz
(TX)
1K
Q1241
LDTC143ZE
B11TXS
D1261 C1265 L1264
12P 72.0N
1SV308
C1270
R1263 15P
22K
Q1261
LDTC143ZE
B12TXS
70.00-72.00 MHz
3R3V
B0S B8S
IC1301
1 16 B9S
B1S
QB VCC
B2S 2 15 B10S
QC QA
B3S 3 14 MDAT B11S
QD SI
B4S 4 13 DRESH B11TXS
QE G
5 12 B12S
B5S MSTB1
QF RCK
B6S 6 11 MCK B12TXS
QG SCK
B7S 7 10
QH SCLR
8 9
GND QH'
SN74AHC595PW
8V
R1502
2.7K
R1573
68K
8 9
R1574
V+ 8
GND 10
100
4 Q1571
IC1501
L2SC4081 NJM13403V
IC1502
R1534
NJM2904CRB1
270K
R1533
6
IDL
R1535
10K 7
ICCV 5
IC1501
R1560
NJM13403V
R1566 R1567
1.5M
R1565 330K 330
Q1062
180K
TXS
R1562
FORLP 2
100K 1
D1561
3
POCV
R1563 IC1501
LRB751S
10K
AMS NJM13403V
D1192
1SV308
Q1563
R1569
RUM002N02
2.7K
Q1561
1SV308
R1524
LDTA114EE
C1402
D1202
0.1
R1401 R1402
D1401
560 C1401 560
HPOF13
L1414
0.1
1SV308
100U
R1412 R1413
2.2K 2.2K
1SV308 R1417 L1419
C1412
560
D1212 10 100U
R1416
C1413 L1412
560
D1413
C1415
1
1
1SV308
LR-589 C1416 D1414
D1411
C1414
1
1SV308
D1222 1SV308 1
Q1411
R1414 2SC3356 LR-589
1SV308
10
L1415
R1419
R1420 560
D1232
560
1SV308
47P
C1421
1
1SV308
L1244 L1245 L1246
100N 135N 0.15U
D1242
C1251 C1253 C1255
68P 33P 27P
L1265 C1274 C1276 C1278 C1280 1SV308
100N
82P 33P 27P 47P D1262
C1272
8P
MDAT
(TX)
MSTB1
DRESH
MCK
NASBS
IC1302
IC1303
1 16
AMS 1 16
QB VCC
QB VCC
2 15
2 15
QC QA HPR2S
QC QA
3 14
3
HPR1S 14
QD SI QD
SI
4 13 DRESH
HPOFS 4 13 DRESH
QE G
QE G
5 12 MSTB1
HATTS 5 12 MSTB1
QF RCK
QF RCK
6 11 MCK
6 11 MCK
QG SCK HATOFS
QG SCK
7 10
7 10
QH SCLR QH
SCLR
8 9
8 9
GND QH'
GND QH'
SN74AHC595PW
SN74AHC595PW
*: Refer to the PARTS LIST for the value and name of component.
8V
R1501
4.7K
D1501 R1503
Q1512
4.7M
L1SS400
LDTC143ZE
Q1511
R1511
NASBS
270K
LDTA114EE
C1513
1
6
ID-APC Q1513
RUM002N02
7
C1551 5
D1531
2.2 IC1502
470 NJM2904CRB1
L1SS400
R1546
D1563
560K
L1SS400 R1543 D1541
13
REFLP
D1543
14 100K
L1SS400
R1544
12
L1SS400
IC1501
NJM13403V 39K
SWR-APC
R1555
68K
R1556
C1553
470K
0.001
8V
R1557
Q1562
KTC2875
3.3M
R1554
2
R1558
1
1.5M ALCL
Q1521 R1553
3
L2SA1576AR 1.5K
1.8M IC1502
NJM2904CRB1
470
R1523
R1522
10K
220K D1523 D1521
EALC
DZ2J033M0L LRB751S
HPR8
HPON13
C1092
14V
D1402
Q1095
0.1
LDTA114EE
1SV308
HPOF13 HPOFS
Q1096
LDTC143ZE
Q1094
LDTA114EE
HPON13 HPR1S
Q1092
LDTC143ZE
C1091
0.1
D1091
HPR8 HPR2S
D1412 L1SS400 Q1091
C1426
Q1093
LDTC143ZE
LDTA114EE
1
1SV308
LDTC143ZE
Q1412
HPR2S J1431
R1432 R1433
C1431
0.1
0 0
HPR1S
To the MAIN UNIT
Q1413
LDTC143ZE
14V EP1311
1
MPZ1608S601A
2
8V EP1312
3
MPZ1608S601A
4
5
EP1313
6
MMZ1005B601C
7
8
9
10
11
12
TXS R1311
13
100
HSENI R1312
14
R1313 100
15
R1314 27
16
R1315 27
17
100
R1316
18
DSHK R1317 27
19
SKYS R1318 100
20
ALCL EP1314 100
21
EALC EP1315 MMZ1005A152ET
22
ICCV EP1316 MMZ1005A152ET
23
DRIV EP1317 MMZ1005A152ET
24
POCV EP1318 MMZ1005A152ET
25
IDL EP1319 MMZ1005A152ET
26
REFLP EP1320 MMZ1005A152ET
27
FORLP EP1321 MMZ1005A152ET
28
MMZ1005A152ET
29
30
J1311