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SCHEMATIC DIAGRAMS
To upgrade quality, some components may be
subject to change without notice.
A-7290-3EX-
w
Printed in Japan
© 2015–2016 Icom Inc.
e
ALC-CTRL
Q3275/Q3276
2SK3018/KTC4075
LDTC143EE
Q101
SW
CTRL
HPR2S
ALCL
ATT
ALC
AMP
PRE
AMP
2SC3356
Q1411
Q1412/Q1413 LDTC143 x2
LPF
FORLP
PHASEI
POCV
HATOF13
PHASE
DET
ALC
AMP
HSENI
SWR
DET
EALC
HAT13
EALC
ALC
AMP
B0
REFLP
APC
AMP
SW
ALC-CTRL
Q3275/Q3276
2SK3018/KTC4075
BUFF
SWRL
ANTENNA
APC
AMP
ALC
NASBS
ICCV
ATT
YGR
AMP
BGA2866
IC1031
IDL
METER
AMP
HPR1S
IMPI
AMS
BUFF
HPOF13
RF
SW11
DRIDV
LPF
SW11
THML
LPF
SW11
DRIVE
AMP
CTRL
Q771-Q777
LDTC143 x7
Q781-Q787
LDTA123 x7
LPF
HFID1V
L5
J20012
1
2
3
4
BIAS
L6
SW11
SW11
PWR
AMP
Q131/Q132
RD70HVF1 x2
L4
SW11
HFID2V
L1
LPF
BIAS
+9
REG
SW11
BIAS
SW11
HEAT
SENS
SW11
SW11
DRIVE
PRE
LPF
SW11
SW11
SW11
L7
L2
T9V
EKEY
ESTA
LPF
LPF
L3
SW11
[DC 13.8V]
REVERSE
CONNECT
PROTECT
IDL
ID
DET
SW12
PWRS
CTRL
1
2
BIAS
RF
AMP
T9V
ATT
D961/D962
LRB751Sx2
PWR/SWR
DET
FORLP
BUFF
BUFF
REFLP
DRESH
SN74AHC595PWx3
IC1301-IC1303
I/O
EXP
HATOFS
HATTS
HPR2S
HPOFS
HPR1S
B0S
B1S
B3S
B2S
B7S
B6S
B5S
B4S
B8S
SKYS
J851
BU2092FVx4
IC2811-IC2841
I/O
EXP
IREFV
DSHK
MUTE
T9V
LPF
T9V
PIN
D1021
ATT
BAP70Q
ALC
PIN
D1041
ATT
BAP70Q
SN74AHC595PW
IC751
I/O
EXP
HPF
RPPS
ATT
DRIV
+5V
REG
XC6209F502MR
IC1061
TXS
CTRL
Q1061/Q1062
LDTA114/LDTC143
CTRL
TXS
T9V
SW11
SW11
SW11
T/R
Q778
LDTC143
CTRL
CTRL
Q1111-Q1261
LDTC143 x15
CTRL
Q1098/Q1110
LDTC143/LDTA114
HATTS
HATOFS
HPOFS
HAT13
HATOF13
HPON13
CTRL
Q1097/Q1099
LDTC143/LDTA114
CTRL
Q1096/Q1095
LDTC143/LDTA114
CTRL
Q1094 LDTA114
CTRL
Q1093 LDTA114
D1091 L1SS400
CTRL
Q1092 LDTC143
CTRL
Q1091 LDTC143
HPR1S
HPR2S
HPON13
HPR8
HPON13
HPR8
L6S
L1S
L5S
L4S
L3S
RPPS
L2S
L7S
B9S
B10S
B11S
B12S
B11TXS
B12TXS
MUTE
T5V
ATT
DPDDET
BPF
B11
B8
BPF
BPF
B10
BPF
B9
B11TX
B12TX
B12
BPF
BPF
BPF
B1
B7
BPF
BPF
BPF
LPF
B4
B6
BPF
B5
BPF
BPF
B3
BPF
B2
TPWRL
BUFF
BUFF
D1505
IMP
DET
Q1612
MMBD452
MMBD452
D1271
TUNE
NET
2SC4116
TUNER UNIT
2SC4116
Q1611
IC1701
BA2903
MMBD352 X2
HF/50 MHz/70 MHz
D1311/D1312
[SEND]
NJM13403
Q1513
LDTA114
LDTC143
IC1502
NJM13403
Q1562
NJM13403
IC1501
L2SA1576
Q1512
Q1511
NJM13403
RUM002N02
Q1521
IC1501
NJM2904CRB1
IC1501
18dB
IC1501
KTC2875
[ALC]
0.03-1.59 MHz
MCK
14.35-21.45 MHz
0.03-2.0 MHz
2.0-4.0 MHz
RD15HVF1
14V
IC221
PA UNIT
21.45-33.0 MHz
PSTB
BA09FP
MDAT
DRESH
L1-L7
P9V
33.0-76 MHz
Q111
7.3-14.35 MHz
RD01MUS2
Q121
[TUNER]
4.0-7.3 MHz
P9V
D202
DF30SC4M
INA199A2
TJ50S06M3L
14V
Q221
Q222
RUM002N02
HV
2SK2854
Q101
3dB
NJM2904CRB1
IC981
NJM2904CRB1
IC981
MDAT/MCK
/MSTB1
TDAT/TCLK/TOE
TSTB1-TSTB4
[ELEC-KEY]
fc=76 MHz
Q811
D811/D812
BAR64
KTC2875
To the MAIN UNIT
1.60-74.80 MHz
Q1571
L2SC4081
P9V
IC1701
BA2903
IC211
LDTC143/LDTA114
Q341/Q342
x2
Q1051
D1051/D1052
BAR64
L2SC4081
B0-B12TX
B0S-B12TXS
8V
L1S-L7S
LDTA114
Q1561
Q1001 LDTC143
D1001 1SV308
130dB
50.00-54.00 MHz
22.00-29.99 MHz
50.00-54.00 MHz(TX)
30.00-49.99 MHz
54.01-69.99 MHz
70.00-74.80 MHz
70.00-72.00 MHz(TX)
15.00-21.99 MHz
2.00-2.99 MHz
4.50-6.49 MHz
10.00-14.99 MHz
3.00-4.49 MHz
1.60-1.99 MHz
8.00-9.99 MHz
6.50-7.99 MHz
1.60-30.00 MHz
POWER
DET
D1201
MMBD452
NATT2S
NATT2R
NATT1S
NATT1R
NJM2904CRB1
IC1901
NJM2904CRB1
IC1901
x2
RF UNIT
BLOCK DIAGRAM (BLOCK DIAGRAM-1)