Main Unit (2); Main Unit (3) - Icom IC-F7000 Service Manual

12-2-2 MAIN UNIT (2)

MAIN UNIT (2)
BUS LINE1
8V
8V
D119
1SV307
a
C182
0.1
D120 C178 L148
1SV307 0.1 LR-439
C181
0.1
Q101
XP4311
4 3
5 2
6 1
R131
ERJ3GE-JPW
S13V
PRES
TX8
TX8
R13V
R13V
S13V
S13V
R8
R8
b
POCV
POCV
c
R320 R323
MCR10-JPW MCR10-JPW
8V
CK_IN
MAIN
R310 R312
UNIT (1) 27 18
IC301
R315 C304
PC2709T
18 0.1
1
IN
2
GND
3
GND
TX8
8V
L801
LS-495
TX: 6.76V
ALC
R1224 C1202
100 0.1
4
IC1201 V+
NJM3403AV GND
11
R1225 C1203
100 0.1
R1660 C1656
100 10
8
IC1651 V+
6
TS522ID
GND 7 -
5
4 +
IC1051
R1661 C1657
TS522ID
100 10
RXS
RXS
FOR
FOR
5V
5V
-5V
-5V
H5V
H5V
HV
HV
T8
T8
BUS LINE2
8V
C183 D122
0.1 1SV307
R122
270
L152
LR-440
D201 L202 L203
1SV307 0.27 0.27
Q102
2SC5551
L155 C193 D123 C201 D202 C203 C205
LR-439 0.1 1SV307 0.1 1SV307 22p 8p
R117
2.7k
L153
LR-440
R13V
Q103
2SC5551
R118 R120 L156
TX: 6.40V
2.7k 390 100
L701
LR-317
Q104
Q105 R128 R129 2SC4116
DTC114EU 330 330
TX8
R13V
S13V
R8
POCV
8V
D303
L304 L303
HSB88WS
LR-395 LR-317
6
VCC C307 L308 L302
5
1.2
GND 0.1 0.12
4
OUT
ALC
8V 8V
C1226
0.1
RXS
RXS
R804
470
IC1001
TC4W53FU
Q801 5 4
3SK131 R1004 R1002
1k 470
6 3 -5V
7 2
ALC
R1005
8 1
1k
R1003
470
R1018 100
C1003 0.1 R1017 1k R1011
1k
IC1002
R1006 R1010
6 TS522ID
R1015 C1012
7 - 1k 1k 2
5 1 - 56k 0.1
+ 3
+
IC1002 R1007 R1012
TS522ID 1k ERJ3GE-JPW
IC1051
R1053 R1055
TS522ID
R1059 R1057
1k 1k 2
1 - 1k 1k
3
+
R1054
R1058
1k
1k
RXS
FOR
5V
-5V
H5V
HV
T8
from MAIN (1)
from MAIN (3)
12 - 3
8V 8V
RX: 2.77V RX: 12.05V
Q201 R229
MMBFU310
ERJ3GE-JPW
RX: 8.32V
C207 L204 Q202
0.1 LR-403 MMBFU310
L207
LS-541
C213
0.1
C226 Q204
0.1 MMBFU310
Q205
R203 R231
MMBFU310
4.7 MCR10-JPW L206
617DB-1327-P3
R13V
Q701 R8
3SK131 R706 L702 L703 C705
100 1 0.68 0.1
C707 C710 Q702
3SK131
6p 18p
R707
NTCG16
TX8 TX8
S13V S13V
R8 R8
POCV
MAGC
L401
FI401
LS-542
L305 L306 D304
CFWM455H
10 12 1SV307
I O
L403
C402 LS-450
0.0047
D305
Q401
1SV307
D401
3SK131
1SV307
L904 1M
TX8 TX8
ALC
RX: 2.74V
RX: 6.80V
R1220 R1107
8V
2.2M 1M
RX: 1.72V
R1101
D129
100k
ICA 6 MA2S111 AGC1 6
- 7 -
5 5
R1216 + +
47k
IC1201 R1102 D135 IC1101
NJM3403AV 4.7k MA2S728 TS522ID
RX: 0.28V
R1221
RX: 6.80V
2.2M
2
-
R1213 RX: 1.92V
3
D130
100k +
9 MA2S111
- 8 IC1101
8V 10
+ TS522ID
R1214 IC1201
R1206
270k NJM3403AV
470k
C1206
R1202 R1203
13
0.001 470k 470k -
R1223
12
2.2k +
IC1201
NJM3403AV
Q1203
2SA1586
REF REF
FOR
5V 5V
-5V
H5V H5V
HV HV
T8 T8
from MAIN (1)
8V
FI201
FL-348
C231
5
0.0047
C232 D206
1 4
IN GND 0.0047 1SV307
3 2
GND OUT
C233 D204 L208
0.0047 1SV307 LS-484B
6
R223
1k
RX: 0.98V
L209
LS-484B
R211 C217 R209
1.8k 100p 10
L210
LS-483A D301
C214 1SV307
0.001
Q203
3SK131
D302
1SV307
C219
0.0047
RX: 7.32V
R13V MAGC
R8 R8
L707
LR-317
L706 Q703 R713 C718
TX: 0.40V
3SK131
LS-483A R715 68 0.001
18
TX: 7.00V
TX8
S13V
R8
MAGC
R414 L406
1k 1000
D133
1SV307
L404 L405
FI402
LS-542 C407 C412 LS-542 C502
CFWS455HT
0.0047 0.0047 0.0047
I O
C413 D403
120p 1SV307
R911
1k
T8 T8
IC901
D902 C906
TA4107F
1SV307 0.1
R1113
M3LO 1
100 LO1 LO2
2
VCC GND
3
D901 RF2 IF2
4
1SV307
7 RF1 IF1
RX: 1.37V
1
MAGC MAGC
R8
RX: -1.25V
C508
0.1
Q501
IC501
3SK131
C518
TA4107F
14 0.1
1
LO1 LO2
D125 2
VCC GND
MA2S111
3
RF2 IF2
4
RF1 IF1
RX: 7.11V
REF
5V
H5V
HV
BUS LINE1
8V
8V
Explanatory notes
VOLTAGE LINE
TX LINE
L211
RX LINE
LS-484B
COMMON LINE
MAGC
R309
1k
R718
1k
R723
ERJ3GE-JPW
S13V
S13V
R8
MAGC
MAIN
UNIT (3)
L901
100
C909 L902
0.1 100
8
7
C910
6
0.1
5
MAGC
R8
5V
L504
100
C521 L505
0.1 100
8
7
6
5
REF
REF
5V
5V
H5V
H5V
HV
HV
BUS LINE2