Icom IC-F8101 Service Manual page 69

• MAIN-A UNIT (2/6)
D1106 C1107 C1119
0.0015
1SV308 0.0015
C1108
0.0012
L1103 L1105
330U 330U
Q1102
MP1017
ATT14
4
2590
2
MP1001 6
13.7 V
2590
14V
RF
RX
R1106
100
RL1101
C1101 C1876 D1108
0.1
0.1 0.1 1SV308
R1112
UA2-12NU
10k
Q1101
2SC4213
MARKER_OUT
R1981 R2036
C1910
0.5P
100k 0
4 3
TX=4.7 V
RX=0.3 V
5 2 L1107
PA
6 1
Q1812
YGR
IMD3A
0.1
C1105
IC1101
C1114
VCC IN
6 1
R1102
C1104 GND GND 0.1
5 2
OUT GND
4 3
18 0.1
UPC2709TB
C1147 R1964
0.1 68
D1112
1SV308
L1118
B0
100U
D1113
C1162
1SV308
B1 B1
5.6U
L1814 C1306
1SV308
B7S B7
B2
D1115 L1121 C1166
B1
B1S
B3
B2
C1168
B2S
1SV308
ATTS B4
B4S
B4
L1123 1.5U C1170
B3
B3S
B5
D1118 L1124 1U C1172
1SV308
B5
B5S
B6
1SV308
B6
D1119
L1125 0.82U
B6S
B0
B0S B7
R1120 47k B0
R1121
47k B6
R1122 47k B5
R1123 47k B3
R1124 47k B4
10U
R1125 47k B2
R1126 47k B1
R1127 47k B7
C1120
100P
R1116
18
TX=4.7 V
RX=0.3 V
MAIN
TX=3.4 V
RX=5.7 V
RF
L1126 L1141 D1120
C1244 D1131
4.7U 4.7U 1SV308 0.1 1SV308
PROF_
0.03-1.59M
220P C1204 220P D1121 1SV308
D1129
8.2U
C1163 C1192 1SV308
C1247 L1152
220P 220P
1
LR-439
1.60-2.49M
180P C1892 180P L1815 D1122 1SV308
5.6U
C1889 C1893
TX=4.7 V
8P 8P
RX=0 V
3 4
5
2.50-3.99M
6
120P C1195 120P D1123 1SV308
C1167 C1196 3.3U
PRON_
27P
27P
3
2
TX=0 V
RX=4.7 V 6
4.00-5.99M Q1112
UMD3N
68P C1197 68P L1137 D1124 1SV308
C1169 C1198 2.2U
47P
47P
R1150
FOR
POCV
10k
D1130
HSM88AS
6.00-8.99M
Q1115
68P C1199 68P L1138 1.5U D1125 1SV308
DTC114EU
C1171 C1200
Q1114
AMS
7P 7P DTC114TU
Q1113
REF
DTA144EU
9.00-12.99M
39P C1201 39P L1139 1U D1126 1SV308
C1173 C1202
8 8
3P
3P
V+ V+
GND GND
4 4
IC1102 IC1103
NJM3404AV NJM3404AV
13.00-19.99M
D1127 1SV308
C1174 C1203
22P 22P
D1128
IDV
20.00-29.99M HSM88AS
D1133
BST_2
MDT_2
1SV308
MC_2
B0S
R1161
B6S
B5S
270
B3S
L1156
C1261
1
BST_2
LR-440
Q1116 L1158 C1275 L1162
MC_2
2SC5551A
LOF0
1 0.12U
LOF1
AMS
LR-439
PROF
R1174
2.7k
L1159
L1157
100U
1
LR-440
Q1117
2SC5551A 13.6 V
R1176
2.7k
3.1 V
R1169
C1252
0.0047
2.2M
R1156 220k
6
R1178
7
R1157 R1190
5
330
1k 2.2M
IC1102
NJM3404AV
R1184 IC1103
6
C1253 1.5M
5
22 R1170 NJM3404AV
C1254
2.2M
22
2
R1158
R1179
R2021 1
100k
3
470
R1159 IC1103
NTCG16
220k NJM3404AV
Q1118
2SA1576
R1181 R1186
1k 10k
EALC_2
R1155
120k
2 IC1102
R1167 D1134
1
3
470
L1SS400
NJM3404AV
R1180 D1141
AJLC
1k
Q1119
2SC4213
*: Refer to the PARTS LIST for the value and name of component.
11-4
C1285
RF
0.1
C1280
0.1
IC1104
1 16
STR V+
2 15 EXRE_2
D OE
3 14 B4S
CLK Q5
4 13
B2S BST_2
Q1 Q6 BST
5 12 B1S EXRE_2 100
Q2 Q7 EXRE
6 11 B7S MC_2
R1199 100
Q3 Q8
MCK
7 10
MDT_2 R1200
Q4 Q'S MDT
8 9
GND QS
CD4094BPWR ICCV
ICCV
POCV
POCV
C1281
IDV
IDV
ALC
0.1
ALC
IC1105
1 16 FOR
STR V+
FOR
2 15
EXRE_2 REF
D OE REF
3 14 PRON
CLK Q5
4 13 ATTS
Q1 Q6
5 12
AJLC
Q2 Q7
6 11 DMK
Q3 Q8 14V
7 10
Q4 Q'S 8V
8 9
GND QS 5V
T8V
CD4094BPWR
EALC
LOF0
LOF0
LOF1
LOF1
DMK
DMK
7.9 V
EP1101
ALC_CHK
MPZ2012S601A
EP1102
MPZ2012S601A
R1191
7
EP1104
3.3k MPZ2012S601A
EP1103
D1143 MPZ2012S601A
L1163
EALC_2
100U