Icom IC-7300 Administrator Guide

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.
y
u,
,
i,
,
o,
,
!0
!0
,
,
!1
!1
,
,
!2
!2
!6
!6
,
,
!7
!7
!4
!4
,
,
!5
!5
!3
!3
J51
1 2
3 4 5 6 7
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
J45
1 2
J21
1 2
3 4 5 6 7
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
J71
1
2
3
4
5
6
7
8
9
10
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
J101
1 2
3 4 5 6 7
8 9
10 11 12
J771
1
1
2
2
3
34
4
5
5
6
6
7
78
8
9
9
10
10
11
11 12
12
13
13
J691
J601
1
2
3
4
J752
1 2
34
J761
1 2
3 4
56
J751
P4
J8
J1801
1 2
3 4 5 6 7
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
J1001
J301
1
2
3
4
5
6
7
8
9
10
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
J1
1
2
3
4
5
6
7
8
9
10
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
1
2
3
4
J331
1 2 3 4
J12
1 2 3 4
J1
J1311
1 2
3 4 5 6 7
8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
J201 J101
J1431
P4
J1001
J1071
P4 W3
8970024412
1.5DCOAXIAL330MM-2(T)C31/C31
W7
8900016990
OPC-1741(1.5DCOAXIAL110MM)
W5
8970024252
1.5DCOAXIAL240MM-2 C31/C31
P4
P4 P4
J961
P4
W1
8970024631
1.5DCOAXIAL170MM-1 C31/C31
P4
J801
J101
SP1
J601
1
2
3
4
5
6
7
8
9
10
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
J2
1 2
3 4 5 6 7
8 9 10 11 12
1314
J421
1
2
3
4
56
J1802
1 2 3 4
J1803
1
2
3
4
POCV
FORLP
14V
EALC DSHK
HSENI
IDL
DRESH
GND
ICCV
MCK GND
MSTB1
DRIV 3R3V
NC
GND
SKYS
8V NC
MDAT
NC
FAN
8V NC NC
GND
ALCL
TXS
REFLP
GND
VDD(3R3V) GND GND SDCD NC SDDAT1 SDDAT3 SDCMD SDWP SDCLK SDDAT2 SDDAT0
[ACC]
CIV
[REMOTE]
CIVE
USB-
[USB]
PHG MICI MICE PHO
FAN+ FAN-
SPO NC NC NC NC NC SPO SPE
[EXT-SP]
USB+
SPO SPE
RF
TSTB4 RFCNT(EXT) 3R3V GND TCLK CNTRS(EXT) TSTB1 GND 14V 14V NC NC PHASEI
SWRL
14V GND GND GND TSTB2 IMPI NC 3R3V GND NC TPWRL IREFV TOE TSTB3 GND TDAT
14V GND
ESTA EKEY
14V PSTB 14V FORLP NC REFLP 14V START GND GND 14V KEY GND HFID2V GND HV HFID1V 14V 14V GND GND IDL 14V 14V TXS HV MCK THML DRESH 14V NC GND PWRS MDAT 3R3V DRIDV HV GND 14V GND
HV HV GND GND
GND
NC
SKYS DSHK
EALC
GND
HSENI
GND
ICCV DSHK GND NC NC GND 14V TXS 8V MSTB1 POCV HSENI
EALC DRESH NC GND DRIV IDL GND MCK 3R3V SKYS MDAT ALCL REFLP GND NC NC FORLP 8V
TDAT
PHASEI
3R3V
14V
3R3V SWRL
TOE
TSTB1
CNTRS(EXT)
NC
GND GND GND
TCLK
TSTB3
GND
NC
TSTB2
NC
GND 14V
IMPI
TPWRL
14V
RFCNT(EXT)
GND GND
NC
IREFV TSTB4
14V
PWRS
HFID2V
GND GND
FORLP
14V
DRESH
14V
MDAT
GND 14V
START
14V TXS 14V
HFID1V
3R3V
KEY GND 14V GND
PSTB
HV NC HV
DRIDV
14V
REFLP
IDL 14V MCK GND GND GND
HV
GND
NC
14V
THML
MAIN UNIT
TXRF
RXRF
[ALC] [SEND] [ELE-KEY] [TUNER] [DC]
TUNER UNIT
PA UNIT
RF UNIT
[ANT]
CHASSIS
SP W15
GND
LCD_R6 LCD_B4 LCD_G4 LCD_R7 LCD_B6
5V
GND
LCD_R5 LCD_HS
LRXD FRES
GND
LCD_ON LCD_B5
3R3V 3R3V
8V
LCD_VS
PWRK
LCD_R3
NC
GND
LCD_B3 LCD_R4
8V
LCD_DE LCD_G7 LCD_G2 LCD_B7 LCD_G5
8V
LCD_G3
NC NC
LCD_G6
GND
3R3V
LCD_CLK
LTXD
FRONT UNIT
SDCLK
VDD(3R3V)
GND
SDDAT2
SDWP
SDDAT1 SDDAT0
SDCMD
NC
SDDAT3
SDCD
GND
LCD_B5 LCD_B7 LCD_R7 LCD_ON LCD_R6 NC 3R3V LTXD LCD_R3 8V LCD_G5 LCD_G4 GND LCD_B4 LCD_G6 LRXD 3R3V NC GND LCD_DE 8V LCD_R5 GND 8V GND LCD_G7 5V FRES LCD_G3 LCD_HS 3R3V LCD_VS LCD_B3 GND LCD_G2 LCD_B6 NC LCD_CLK PWRK LCD_R4
W21
8910000500
FFC-1055 (P0.5N30L150)
W22
8910000220
FFC-1024 (P0.5N40L120)
W23
8910000530
FFC-1057 (P0.5N30L65 S)
W24
8910000520
FFC-1056 (P0.5N40L100 S) TJM
W25
8900018810
OPC-1974
(P0.5N12L50)
W11
8600037600
SX3765
P11*P12CH
(3765-1)
RF
RF
TXRF TXRF
RXRF RXRF
q
GENERAL WIRING (GENERAL WIRING-1)

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.
w
W3
8910000070
FFC-1008
(P0.5N6L50)
J101
1 2
3 4 5 6 7
8 9 10 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
4142
J451
1
2
3
4
5
6
7
8
9
10
J421
1
2
3
4
56
J601
1
2
3
4
5
6
7
8
9
10
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
J2
1
2
3
4
5
6
7
8
9
10
11
12
13 14
J71
1
2
3
4
5
6
J61
1
2
3
4
5
6
J51
1
2
3
4
5
6
J201
1
2
3
4
56
J1
1
2
3
4
5
6
78
J1
1
2
3
4
5
6
78
J1
1
2
3
4
5
6
78
J2
1
2
3
4
5
6
7
8
9
10
J2
1
2
3
4
P1
1
2
3
4
P1
1
2
3
4
J401
1
2
3
4
56
J2
1
2
3
4
R1 R6 B6 G3
DISP
B0 XR
VLED-
R2 B2 R7 B7 G4
HSYNC
B1 YD
GND
R3 B3 G0
GND
G5
VSYNC
XL
VDD
R4 B4 G1
GND
G6 DE YU R0 R5
VLED+
B5 G2
CLK
G7 NC
DS1(LCD)
MUDL
MICI
SQLS
PSEND
8V
AFO
GND
PSEND
MICE
GND
MICI
PHO
MICE
PHOE
PHO
PHK
PHOE
GND
PBABK
PBBBK
PCLEK
PBAAK
PBBAK
GND
MFK
MFDBK
MFDAK
RIT BOARD
PBT BOARD
VR BOARD RFL
AFL
GND
GND
PHONE
BOARD
MIC BOARD
FRONT UNIT
LCD_B5
LCD_CLK
PWRK
GND
LCD_R4
LCD_B6
LCD_B7
LRXD
NC
3R3V
LTXD
LCD_R3
LCD_R6
8V
5V
LCD_G5
FRES
LCD_G6
3R3V
NC
LCD_B4
LCD_DE
GND
8V
GND
GND
8V
GND
LCD_G4
LCD_G7
LCD_R5
LCD_G3
LCD_ON
3R3V
LCD_VS
LCD_B3
LCD_R7
LCD_G2
LCD_HS
NC
GND
SDCMD
SDDAT2
NC
SDWP
SDDAT3
SDCLK
SDDAT1
SDCD
VDD(3R3V)
SDDAT0
GND
SD BOARD
GND
NC
GND
3R3V
3R3V
GND
MAINDAK
MAINDBK
5V
[MAIN DIAL]
PBABK
GND
PBBBK
PCLEK
PBAAK
PBBAK
RFL
3R3V
3R3V
GND
GND
AFL
PHOE
PHK
PHO
GND
MFDBK
MFDAK
GND
NC
MFK
GND
MUDL
SQLS
GND
MICI
MICE
8V
PSEND
AFO
GND
GND
W1
8600036920
EX2500 P01*J01MA
W4
8900018000
OPC-1344A (P1N10L70)
W1
8910000070
FFC-1008
(P0.5N6L50)
W2
8910000070
FFC-1008
(P0.5N6L50)
To the MAIN UNIT
To the MAIN UNIT
To the MAIN UNIT
DISPLAY BOARD
y
GENERAL WIRING (GENERAL WIRING-2)

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
2SC3356Q1411
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
J200121
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
12
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-IC2841I/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 MHzP9V
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-B12TXB0S-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)

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.
r
PCM2901E
IC661
USB
CODEC
AMOD
UMOD
A/D
SN74AHC1G32
IC662
BIAS
CTRL
SPS
MIC
AMP
CP2102GMR
IC641
USB
BRIDGE
D/A
ISL5857IAZ
IC1331
D/A
LRXD
PWRS
EEPROM
GT24C128BIC351
PIN
D1251
ATT
BAP70Q
DRESH
AAF
IREFV
BUFF
TC74VHC04FT
IC701
CR-1017
X301
RESET
NJU7704F3IC371
AF
AMP
TC7S66FU
IC681
DC-DC
DC
AMP
UPWS
USQLS
SW12
IF
AMP
CR-1020
X661
(12.000 MHz)
A/D
LPF
REFV
CR-1019
X621
(6.000 MHz)
AGC
AMP
BUFF
TC74VHC04FT
IC701
CI-V
I/F
L2SA1576Q712
Q711 L2SC4081
AFO
ASQLS
HTRAS
BUFF
UMODS
LPF
MICI
SW11
NJU7704F3IC361
VDET
UMOD
TXS
RXS
RTKI
HSENI
SW
IC691
TC7W66FU
AAF
AF
AMP
UCLKS
RX-8803LC
RTC
IC381
EN25Q64
IC391
FLASH
MEMORY
FANV
UCLKS
BUFF
NJM2904CRB1
IC125
FSK
SW
Q1106
KTC4075
UPWS
FANV
VBUS
FAN
CTRL
HFID2VP
HFID1V
HFID2V
HFID1VP
RF
BUFF
NJM2904CRB1
IC135
BUFF
NJM2904CRB1
IC135
TPCF8107Q746
SW
Q747 RUE002N02
START
TC74VHC04IC701
TUNER
I/F
Q852 LDTC143
Q851 LDTA114
HTRAS
ASQLS
SP1
AFONS
J101
SQL
SW
DC-DC
SPS
SEND
SW
ICCV
DC-DC
AMOD
HSENI J751
1 23
4
DC-DC
USB
HUB
PWRS
D/A
+3
REG
A/D
+3
REG
CI-V
I/F
L2SA1576Q692
Q691 L2SC4081
RTKI
HFID2V
J1302
1
2
3
4
5
6
7
8
9
10
11
12
13
D/A
HFID1V
BANV
UMODS DIDV
EALC
BANV
REFV
POCV
PWRK
R2A20169SAIC121
I/O
EXP
IC141 SN74AHC595PW
KEY
EN25QH32A-104HIP
IC902
FLASH
MEMORY
CR-1021
X901
D/A
LTXD
USQLS
J611
DC
AMP
DC
AMP
LPF
IC241
BACK-UP
CTRL
XC6222A321
DC
AMP +3V
REG
XC6209F332MR
IC611
+8V
REG
NJM7808DL1A
IC271
+2.5V
REG
TLV70025DCKR
IC231
VDL
IDL
BUFF
NJM2904CRB1
IC151
REFLP BUFF
NJM2904CRB1
IC151
REFL_
FORL_
FORLP
DRIVPBUFF
NJM2904CRB1
IC125
DRIV
RZR040P01
SW
Q111
Q112 LDTC143
LDTC143Q643
SW VBUS
LDTA114Q645
SW
LDTA114Q644
SW
AFONS
+5V
REG
XC6209F502MR
IC961
LVDS
DRIVE
SN65LVDS1DBV
IC1212
BPF
XTAL AMP
IC1221
SN74LVC1G04DCK
DRIV
+8V
REG
NJM7808DL1A
IC276
LDTC143Q642
SW
+3
REG
IC1325
XC6209F332MR
+3
REG
IC1318
BA033FP
AGCV
+5V
REG
XC6209F502MR
IC1241
+3
REG
IC1321
XC6209F332MR
FTXS
LDTC143Q1234
SW
Q1235 LDTA114
LDTC143Q1231
SW
Q1232 LDTA114
FRXS
S-RAM
IC1401
23LC1024T
FTXS
FRXS
50RTS
70RTS
MAIN
HV
PCM1802
MDAT/MCK
H3R3V
3R3V
TPS62110
TPS62110
H3R3V
8V
5V
ADP2370ACPZ
RESET
IF-DSP
(12.288 MHz)
DCCLK
TMS320C6745
CPU
PCM1754
MSTB2
ECK/EDT
/MSTB1/PSTB
14V
R7S721000VCFP
(48 MHz)
IC1001
IC971
IC201
IC221
IC261
IC901
HSK0/HSK1/DRESD/FRWT
IC301
MAIN UNIT
DSPCK/DSPR/FRM/BCLK
/DSTB
2R5V
1R2V
TPS62110
IC211
XC6222A331
IC216
XC6222A331
IC251
FPGA
IC1351
L2SA1576
41.344 MHz
(41.344 MHz)
EP4CE55F23I7N
2SC3356
Q1202
Q1201
CR-932
DACLK
X1201
SN74AHC1GU04DCK
IC1211
FAN
DSC7004S
Q45
RTC_IRQ
/RTC_SCL
/RTC_SDA
IC721
TS462CPT
IC992
MP7741
IC1003
NJM2904CRB1
Q1001 IC1002
TS462CPTTC7W53FK
IC972
LDTC114
IC1002
IC992
TS462CPT
SCPCK/SCPR/SCPX/SCPSS
START/KEYTCON/ESTA/EKEY
5.BAND
10.FSKK
3.HSEND
14V
13.SQLS
NJM2904CRB1
4.START
Q821
7.NC
11.MOD
Q831
1.8V
LDTC143
2.GND
LDTA114
Q802
ACC8V
Q801
IC791
Q803
L2SC4081
9.KEY
6.ALC
[ACC]
DSC7004S
12.AF
L2SC4081
8.14V
FPDX/FPSR/FPSX
[EXT-SP]
[SP]
TR SW
TR SW
LDTC143
LDTC143
USB3R3V
IC621
Q661
Q641
TUSB2046BIVFR
[REMOTE]
H4V
[USB]
SDPWS
To the SD UNIT
To the RF UNIT
CRXD/CBSY
CTXD
HV PDV
UDTXD/UDRXD/UDBSY
DR_AF/DR_RSV/DX_REC/DX_FMT
LCD_R3-R7/LCD_G2-G7/LCD_B3-B7
LCD_DE/LCD_VS/LCD_HS/LCD_ON/LCD_CLK
TO FRONT
TO PA
CIV
IC991
PCM1754
TS462CPT
NJM2904CRB1IC972
5V
H4V
NJM2904CRB1
IC791
5V
H1R18V
DCCLK
TSTB1-TSTB4
TDAT/TCLK/TOE
TPWRL/IMPI/SWRL/PHASEI
To the TUNER UNIT
VDD
SFLSS/SFLCK/SFLD0
SLFD1/SFLD2/SFLD3
H3R3V
H3R3V
H3R3V
USKI
USSENI
Q972 L2SC4081
L2SC4081Q971
AD5V8V
124.033 MHz
F8V
/DCCLK
DSHK/SKYS/ALCL
FPX_AGC/FPX_DET/FPR_MOD/MCLK
/FPCAL/DFR_MOD/DFX_DET/DFX_AGC/CFG
/CAL/STAT/FPRES/DONE/SPDO/SPCK/RSSI
/FPCAL/BCLK/FRM/MCLK
FPX_AGC/FPX_DET/FPR_MOD
SPCS/SPCK/SPDO/SPDI
H3R3V USSPD
5V RFD3R3V
RFA3R3V
8V
8V
8V
8V
FFCLK/FFCS
FFDO/FFDI
SDWP/SDCD/SDDAT1/SDDAT0
SDCLK/SDCMD/SDDAT3/SDDAT2
/DCCLK
To the DISPLAY UNIT
BLOCK DIAGRAM (BLOCK DIAGRAM-2)

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.
t
LRXD
S22
LCD
2SB1132L
LIMITER
Q462
Q461 L2SA1576AR
LCD
LIGHT
LTXD
AFO
SEND
SW
DSC7004SQ492
Q493 LDTA114
Q491 L2SC4081
TW-CTRL
IC152
UC6528
PWRK
TPS61161ADRV
IC101
LCD
LIGHT
CTRL
LCD-TW
FRES
SQL
LDTC143ZE
Q481
CTRL
Q1
LDTC143ZE
HT-191UYG
DS1
R
G
SEC2462C
DS1107
AFE
CTRL
Q3
LDTC143ZE
CTRL
Q2
LDTC143ZE
J1
1
2
3
4
5
6
7
8
MICI
MICE
J1
EX-2500
[TUNER]
PUSH-SWs
FSENI
[P.AMP/ATT]
DISPLAY UNIT
FSQS
[QUICK]
FLRXD
CPU
PBAAK/PBABK/PBBAK/PBBBK/PCLEK
[POWER KEY]
FLTXD
FRONT
MAINDAK/MAINDBK
PWRK
[SCOPE]
[TS]
FTRAS
[AUTO_TUNE]
FUDL
[RIT]
3R3V
[NOTCH]
[NB]
PWRK
[MENU]
[NR]
8V
[SET]
BKLV
TDS
RDS
R5F104LCAFB
IC501
FRONT UNIT
SD UNIT
PBT UNIT
[RF/SQL]
[AF GAIN]
SDWP/SDCD/SDDAT1/SDDAT0
VDD
SDCLK/SDCMD/SDDAT3/SDDAT2
[TRANSMIT]
[CLEAR] [dTX]
[CLEAR]
[SPEECH/LOCK]
[SPLIT]
[A/B]
[V/M]
[M-CH DN][MP]
MAIN DIAL
RFL/AFL
TWDCLC/TWCS/TWDTX
TWBUSY/TWDRX/TWPIRQ
R3-R7/G2-G7/B3-B7
DE/VSYNC/HSYNC/CLK/DISP
PHK
[XFC]
GND
MIC U/D
MIC
+8V
SQL
PTT
MICE
5V
PWRDS
DS1(LCD)
VLED-/VLED+
To the MAIN UNIT
3R3V
VR UNIT
RIT UNIT
MFDAK/MFDBK/MFK
PHONE UNIT
MIC UNIT
AF OUT
[M-CH UP]
XR/YD/XL/YU
3R3V
MICI
MICE
FROM MAIN
To the MAIN UNIT
BLOCK DIAGRAM (BLOCK DIAGRAM-3)

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.
y
FRONT UNIT
R5F104LCAFB (SX-3765C)
IC501
P120/ANI19/VCOUT0
1
P43/(INTP9)
2
P42/(INTP8)
3
P41/(TRJIO0)
4
P40/TOOL0
5
RESET
6
P124/XT2/EXCLKS
7
P123/XT1
8
P137/INTP0
9
P122/X2/EXCLK
10
P121/X1
11
REGC
12
VSS
13
EVSS0
14
VDD
15
EVDD0
16
P60/SCLA0
17
P61/SDAA0
18
P62/SSI00
19
P63
20
P31/TI03/TO03/INTP4/(PCLBUZ0)/(TRJIO0)
21
P77/KR7/INTP11/(TxD2)
22
P76/KR6/INTP10/(RxD2)
23
P75/KR5/INTP9/SCK01/SCL01
24
P74/KR4/INTP8/SI01/SDA01
25
P73/KR3/SO01
26
P72/KR2/SO21
27
P71/KR1/SI21/SDA21
28
P70/KR0/SCK21/SCL21
29
P06/(INTP11)/(TRJIO0)
30
P05/(INTP10)
31
P30/INTP3/RTC1HZ/SCK00/SCL00/TRJO0
32
P50/INTP1/SI00/RxD0/TOOLRxD/SDA00/TRGIOA/(TRJO0) 33
P51/INTP2/SO00/TxD0/TOOLTxD/TRGIOB 34
P52/(INTP1) 35
P53/(INTP2) 36
P54/(INTP3) 37
P55/(PCLBUZ1)/(SCK00)/(INTP4) 38
P17/TI02/TO02/TRDIOA0/TRDCLK/IVCMP0 /(SO00)/(TxD0) 39
P16/TI01/TO01/INTP5/TRDIOC0/IVREF0/(SI00)/(RxD0) 40
P15/SCK20/SCL20/TRDIOB0/(SDAA0) 41
P14/RxD2/SI20/SDA20/TRDIOD0/(SCLA0) 42
P13/TxD2/SO20/TRDIOA1/IVCMP1 43
P12/SO11/TRDIOB1/IVREF1/(INTP5)/(TxD0_1) 44
P11/SI11/SDA11/TRDIOC1/(RxD0_1) 45
P10/SCK11/SCL11/TRDIOD1 46
P146 47
P147/ANI18/VCOUT1 48
P27/ANI7 49 P26/ANI6 50 P25/ANI5 51 P24/ANI4 52
P23/ANI3/ANO1 53 P22/ANI2/ANO0 54
P21/ANI1/AVREFM 55 P20/ANI0/AVREFP 56
P130 57
P04/SCK10/SCL10 58
P03/ANI16/SI10/RxD1/SDA10 59
P02/ANI17/SO10/TxD1 60
P01/TO00/TRGCLKB/TRJIO0 61
P00/TI00/TRGCLKA/(TRJO0) 62
P141/PCLBUZ1/INTP7 63 P140/PCLBUZ0/INTP6 64
LS37J2
S1
LS37J2
S2
LS37J2
S3
LS37J2
S4
LS37J2
S5
LS37J2
S6
LS37J2
S7
LS37J2
S8
LS37J2
S9
LS37J2
S10
LS37J2
S11
LS37J2
S12
LS37J2
S13
LS37J2
S14
LS37J2
S15
LS37J2
S16
LS37J2
S17
LS37J2
S18
LS37J2
S19
LS37J2
S20
LS37J2
S21
LS37J2
S22
LS37J2
S23
LS37J2
S24
LS37J2
S25
J51
12
34
56
J61
12
34
56
J71
12
34
56
DB2141300L
D101
TPS61161ADRV
IC101
1FB
2COMP
3GND 4
SW
5
CTRL
6
VIN
7
0.22
C101
1
C102
1
C103
8.2
R101
15
R102
UC6528XBNQ4G
IC152
1
BUSY 2
DIN 3
CS 4
DCLK
5AVDD
6X+
7Y+
8X-
9Y-
10 VSS 11 IN3 12 IN4
13
VREF
14
DVDD
15
PENIRQ
16
DOUT
17
0.1
C151
0.1
C152
22U
L101
6.8K
R11
2.2K
R12
4.7K
R13
15K
R14
6.8K
R41
15K
R44
4.7K
R43
2.2K
R42
6.8K
R31
2.2K
R32
4.7K
R33
15K
R34
6.8K
R21
2.2K
R22
4.7K
R23
15K
R24
0.1
C502
0.1
C503
1
C501
1K
R61
1K
R62
0.1
C61
0.1
C62
HT-191UYG
DS1
J601
12
34
56
78
910
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
J301
12
34
56
HR
YG
YGHR411
DS2
330
R3100
R2
100
R1
J201
1
2
3
4
56
47K
R202
82K
R201
47K
R204
82K
R203
J451
1
2
3
4
5
6
7
8
9
10
MPZ2012S601A x4
EP451
EP452
2.2K R471
47K
R472
0.01
C471
EP453
MMZ1005S601CT
EP454
LDTA114EE
Q493
150
R496
DSC7004S0
Q492
15K
R493
33K
R492
L1SS400
D491
0.01
C491
L2SC4081
Q491
10K
R495
MMZ1005S601CT
EP457
EP456
MPZ2012S601A
EP401
MPZ2012S601A
EP402
10K
R301
10K
R481
J101
1 2
3 4 5 6 7
8 9 10 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
4142
22
R601
22
R602
22
R603
22
R604
22
R605
22
R606
22
R607
22
R608
22
R609
22
R610
22
R624
100
R611
22
R612
22
R613
22
R614
22
R615
22
R616
22
R617
22
R618
22
R619
22
R620
22
R621
22
R622
22
R623
100
R625
0.1
C626
0.1
C628
0.01
C625
0.01
C611
2.2
C403
4.7K
R491
100K
R402
LRB706F
D472
LRB706F
D401
LRB751S
D471
LDTC143ZE
Q481
1K
R51
1K
R52
1K
R53
1K
R54
0.01 C51
0.01
C52
0.01
C53
0.01
C54
0.01
C72
0.01
C73
0.01
C71
1K
R72
1K
R73 1K
R71
LDTC143ZE
Q1
100K
R464
0.001 C461
4.7K
R461
4.7
R462
4.7K
R463
L2SA1576AR
Q461
LDTC143ZE
Q2
LDTC143ZE
Q3
47K
R494
1K
R302
10K R501
10K
R504
1K
R303
0.01
C453 0.01
C452
EP455
SHORT
CP451
MPZ1608S601A
EP602
0.1
C627
MPZ1608S601A
EP601
MPZ1608S601A
EP603
0.1
C201
J421
1
2
3
4
56
47K
R502
10K
R503
22K
R401
47K
R103
J401
1
2
3
4
56
1K
R50
0.01
C50
10
R141
10
R142
10
R143
10
R144
0.001
C141
0.001
C142
0.001
C143
0.001
C144
47U
L102
2SB1132G
Q462
1
C104
MPADK MENUK SCPEK
QMENUK
PWRK
TRSK
TUNK
AMPK
TWPIRQ
TWDRX
TWBUSY
TWDTX
TWCS
TWDCLC
RFL
XFCK
XFCK
TWPIRQ
TWPIRQ
PWRDS
TDS
RDS
MAINDBK_
MAINDAK_
MAINDAK
KI10 KI11 KI12 KI13
AFL RFL
KI12
PCLEK
MAINDAK
MAINDBK
TWCS
TWBUSY
TWDTX TWDRX
TWDCLC
FSQS
FTRAS
BKLV
BKLV
R4 R5 R6 G3 G4 G5 G6 G7 B4 B5 B6 CLK HSYNC VSYNC DE
PTT
MUD
PWRK
PHK
MAINDBK
AFL
KI10
PBABK PBBBK
PBAAK
PBBAK
KI13
MFDAK
MFDBK
PWRDS
TDS
RDS
FSENI
SQLS
FUDL
PBAAK
PBABK
PBBAK
PBBBK
XFCK QMENUK MPADK SCPEK TRSK TUNK AMPK
MFDBK MFDAK
MFK
KI11
AFO
8V
8V
8V
FLTXD
RESETI
VSYNC
DISP
B7
B5
B3
G6
G4
G2
R6
R4
R3
R5
R7
G3
G5
G7
B4
B6
CLK
HSYNC
DE
5V
5V
MENUK
FLRXD
FLRXD
RESETI
RESETI
DISP
PHK_
3R3V
3R3V3R3V
3R3V
3R3V
PCLEK
RESETO
MIC
MICE
TOOL0
R3 R7 G2 B3 B7
[TS][M-CH UP]
[M-CH DN]
[V/M][A/B]
[SPLIT]
[RIT] [dTX] [CLEAR]
[XFC]
[AUTO TUNE]
[SPEECH/LOCK]
[SET]
[QUICK]
[MP]
[MENU]
[NB][NR]
[NOTCH][CLEAR]
[P.AMP/ATT]
[TUNER]
[TRANSMIT]
[POWER]
PBT BOARD
VR BOARD
To the LCD (FRONT UNIT:DS1)
VLED- GND VDD R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7 GND GND CLK DISP HSYNC VSYNC DE NC XR YD XL YU
[SCOPE]
RIT
BOARD
To the MAIN UNIT
JTAG
To the MAIN DIAL
To the MAIN UNIT
NCVSS
TOOL0RESET_OUT
RESET_INVDD
LCD_G4
LCD_B6
LCD_R3
LCD_ON
LCD_G5
3R3V
LCD_B7
LCD_R4
LCD_G6
LCD_B3
LCD_R5
LCD_VS
LCD_G2
LCD_G7
LCD_B4
GND
LCD_R6
LCD_DE
LCD_G3
LCD_B5
LCD_CLK
LCD_R7
3R3V
8V8V
FRES LTXD
LRXD PWRK
GND
VLED+
RFLAFL
GNDGND
GND
PBABK
PBBBK
PBAAK
PBBAK
MFK
MFDBK
MFDAK
8V NC
5V NC
3R3V NC
LCD_HS
GND GND
GND
PCLEK
MMZ1608Y102BT x3
EP5
MMZ1608Y102BT x2
EP2
MPZ2012S601A
EP7
J1
1
1
2
2
3
3
4
4
55
66
77
8
8
MMZ1608D301B
EP9
MPZ2012S601A
EP12
MMZ1608D301B
EP10
EP4
EP3
J2
1
2
3
4
5
6
7
8
9
10
EP11
47P
C8
MIC BOARD
PHONE BOARD
0.01
C2
0.01
C3
0.01
C5
0.01
C6
0.01
C7
100P
C4
0.01
C1
SHORT
CP1
8V
MUDL
MICE
MICI
SQLS
AFO
PSEND
GND
AF OUT
MIC U/D
MIC
+8V
SQL
PTT
MICE
J1
1
2
3
4
5
6
78
TP90D96AE20S1
1
COM 2
A
3
B
4
COM 5
A
6
B
78
PBBAK
PBBBK
PBAAK
PBABK
GND
PCLEK
[TWIN PBT]
0.01
C404
0.01
C401
1K
R401
100
R404
100
R403
MPZ2012S601A
EP401
MPZ2012S601A
EP403
MPZ2012S601A
EP402
J1
J2
1
12
23
34
4
PHOE
PHO
GND
PHK
[PHONES]
COM
A
B
TP90N00AE20
S1 J1
1
2
3
4
5
6
78
MFDAK
MFK
MFDBK
GND
GND
[RIT]
RV-314
R1
J1
1
2
3
4
5
6
78
RFL
AFL
3R3V
3R3V
GND
GND
[AF-RF/SQL]

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.
u
CP121
27
R17
SD_CMD
47
C256
100
R78
MCK
0.1
C121
10
C265
27
R18
27
R84
SD_D1
100
R55
100
R10
DSTB
10
C206
SD_CD
0.1
C141
0.1
C21
J51
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
47
C254
100
R101
PSTB
MMZ1005B601C
EP121
10
C264
10
C202
MMZ1005A152ET
EP11
27
R83
1
C252
100
R102
MSTB1
MMZ1005A152ET
EP5
AFONS
MAIN-3
MAIN-3
MAIN-4
MAIN-2
0.1
C22
0
R221
100
R4
PWRS
1
C263
NJM2904CRB1
IC151
2
3
1
MMZ1005A152ET
EP6
27
R82
0.1
C23
100
R56
TLV70025DCKR
IC231
1IN
2GND
3EN 4
NC
5
OUT
100
R15
TXS
10
C266
L1SS400
D151
MMZ1005A152ET
EP7
MPZ1608S101A
EP51
J71
1 2
3 4 5
6 7
8
9
10 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
1
C232
100
R13
DSHK_
10K
R156
10P
C208
MMZ1005A152ET
EP8
27
R80
0.001
C39
J21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
2R5V
100
R73
SKYS_
10
C267
18K
R157
MMZ1005A152ET
EP9
10
C204
HTRAS
0.001
C38
27
R104
100
R71
ALCL_
1K
R155
MPZ2012S601A
EP201
27
R81
0.001
C37
100
R57
27
R103
THML_
100
R72
4.7K
R153
MMZ1005A152ET
EP38
0.001
C36
MPZ1608S601A
EP52
27
R107
REFL_
0.001
C71
1R2V
MMZ1005A152ET
EP37
0.001
C35
27
R108
FORL_
0.001
C74
1
C231
10P
C268
MMZ1005A152ET
EP39
DCCLK
0.001
C34
27
R109
IDL_
22P
C72
TPS62110RSAR
IC261
1
PGND 2
VIN 3 VIN 4
EN
5SYNC
6LBO
7LBI
8VINA
9AGND
10 FB
11 GND
12 GND
13
PG
14
SW
15
SW
16
PGND
17
100K
R158
MMZ1005A152ET
EP36
27
R75
/DCCLK
0.001
C33
27
R105
PHASEI
22P
C73
15K
R154
MMZ1005A152ET
EP35
LCD_R3
START
0.001
C32
MPZ1608S601A
EP111
TSTB1
H3R3V
0
R262
MMZ1005A152ET
EP34
LCD_R4
EALC
0.001
C31
1K
R113
TSTB2
100K
R132
3R3V
10U
L262
NJM2904CRB1
IC151
6
5
7
MMZ1005A152ET
EP33
10
C207
KEY
LCD_R5
SDPWS
SDPWS
0.001
C30
TSTB3
100K
R133
H1R18V
SHORT1005
CP151
MMZ1005A152ET
EP32
BANV
10K
R203
LCD_R6
J101
1 2
3 4 5 6 7
8 9
10 11 12
0.001
C28
TPWRL_
390K
R131
10U
L252
560K
R265
100
R160
27
R26
REFV
MAIN-6
MAIN-5
MPZ2012S601A
EP202
LCD_R7
22P
C29
TSTB4
NJM2904CRB1
IC125 6
5
7
10U
L261
47K
R152
100
100
R40
R41
27
R27
1
C211
MSTB2
MAIN-2
MAIN-2
MAIN-3
MAIN-2
MAIN-2
MAIN-4,6
MAIN-6
LCD_G2
0.1
C106
22P
C27
IMPI
10U
L263
100
R159
27
R29
1
C216
LCD_G3
MPZ1608S300A
EP1
22P
C26
TDAT
L1SS400
D152
0.1
C135
H4V
LCD_G4
MPZ1608S601A
EP21
0.001
C25
27
R95
MPZ1608S601A
EP46
TOE
MPZ2012S601A
EP221
LCD_G5
0.001
C24
27
R94
0
R202
SWRL_
100
R151
NJM2904CRB1
IC135
V+
8
GND
4
LCD_G6
10
C201
0.1
C46
TCLK
NJM2904CRB1
IC151
V+
8
GND
4
2.7U
L222
0.1
C242
LCD_G7
39K
R205
0.001
C64
470
R45
22P
C18
0.1
C151
ADP2370ACPZ
IC221
1VIN
2FSEL
3EN
4SYNC 5
FB
6
PG
7
SW
8
PGND
9
100K
R137
LCD_B3
MPZ1608S601A
EP22
27
R93
22P
C17
10U
L221
100
R138
XC6222A321MR
IC241
1
VIN 2
VSS 3
CE
4NC
5VOUT
LCD_B4
3182
MP201
1 2 3 4 5
6
7 8 9
10
MPZ1608S601A
EP23
22P
C16
10P
C255
10K
R223
LCD_B5
10
C205
27
R92
5V
0.001
C15
100
R64
10
C222
100
R135
1
C241
LCD_B6
0.1
C14
100
R53
0.1
C125
100
R136
10K
R242
100K
R204
LCD_B7
MPZ1608S101A
EP2
27
R91
470
R243
0.001
C3
NJM2904CRB1
IC125
V+
8
GND
4
TPS62110RSAR
IC251
1
PGND 2
VIN 3 VIN 4
EN
5SYNC
6LBO
7LBI
8VINA
9AGND
10 FB
11 GND
12 GND
13
PG
14
SW
15
SW
16
PGND
17
10
C223
NJM2904CRB1
IC135
6
5
7
LRB551V
D241
LCD_CLK
10K
R241
DSC7004S0
Q45
0.001
C4
100
R125
10
C221
100K
R139
DXN-5R5H334U
C243
LCD_ON
0.001
C57
27
R90
CP06S
CP241
470 CE-LX
C45
0.001
C5
0.1
C98
0
R251
47K
R225
LCD_HS
0.001
C56
47K
R110
0.001
C6
0.1
C97
MPZ2012S601A
EP251
NJM2904CRB1
IC135 2
3
1
LCD_VS
27
R89
0.001
C55
MPZ1608S601A
EP98
RZR040P01
Q111
0.01
C48
0.001
C7
8V
0.1
C96
R2A20169SA
IC121
1VrefL
2Ao3
3Ao4
4Ao5
5Ao6
6Ao7
7Ao8
8Ao9
9Ao10
10 VrefU 11
Vcc
12
Ao11
13
Ao12
14
Do
15
LD
16
CLK
17
DI
18
Ao1
19
Ao2
20
GND
LCD_DE
0.001
C54
MPZ1608S601A
EP97
47K
R111
MPZ1608S601A
EP45
0.001
C8
39K
R254
CP06S
CP122
100K
R226
27
R88
0.001
C53
MPZ1608S601AEP96
0.001
C9
100
R74
10U
L251
PWRK
47K
R112
1
C111
0.001
C10
1
C203
100
R24
0.1
C122
TPS62110RSAR
IC201
1
PGND 2
VIN 3 VIN 4
EN
5SYNC
6LBO
7LBI
8VINA
9AGND
10 FB
11 GND
12 GND
13
PG
14
SW
15
SW
16
PGND
17
LRXD
27
R87
SD_D2
0.1
C51
LDTC143ZE
Q112
0.001
C11
100
R25
LTXD
SD_D3
0.1
C52
0.001
C12
10U
L201
100
R127
100
R28
470K
R253
100
R123
10
C261
FRES
27
R86
SD_CLK
0.001
C13
100
R30
47
C251
100
R122
10
C262
NJM2904CRB1
IC125 2
3
1
SD_D0
MMZ1005B601C
EP141
0.1
C1
14V
100
R54
DRESH
100
R31
100
R121
27
R16
27
R85
SD_WP
SN74AHC595PW
IC141
1
QB 2
QC 3
QD 4
QE 5
QF 6
QG 7
QH 8
GND
9QH'
10 SCLR
11 SCK
12 RCK
13 G
14 SI
15 QA
16 VCC
0.1
C2
HV
100
R12
47
C253
MDAT
ASQLS
SPS
USQLS
UMODS
2.2
C212
2.2
C217
2.2
C272
XC6222A331MR
IC211
1VIN
2VSS
3CE 4
NC
5
VOUT
XC6222A331MR
IC216
1VIN
2VSS
3CE 4
NC
5
VOUT
0.1
C49
100
R134
J1
1
2
3
4
5
6
7
8
9
10
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
MMZ1005A152ET
EP3 MMZ1005A152ET
EP19
0.001
C19
MMZ1005A152ET
EP14
51K
R263
0
R264
NJM7808DL1A
IC271
IO
G
10
C271
0.1
C273
0.1
C274
470 CE-LX
C20
470 CE-LX
C275
470 CE-LX
C257
NJM7808DL1A
IC276
IO
G
10
C276
0.1
C277
0.1
C279
2.2
C278
HSENI
10
R276
6.8
R271
J45
1
2
34
MMZ1608B301CT
EP94
MMZ1608B301CT
EP92
MMZ1608B301CT
EP82
MMZ1608B301CT
EP90
MMZ1608B301CT
EP81
MMZ1608B301CT
EP79
MMZ1608B301CT
EP89
MMZ1608B301CT
EP87
MMZ1608B301CT
EP75
MMZ1608B301CT
EP84
MMZ1608B301CT
EP88
MMZ1608B301CT
EP86
MMZ1608B301CT
EP95
MMZ1608B301CT
EP85
MMZ1608B301CT
EP93
MMZ1608B301CT
EP83
MMZ1608B301CT
EP91
MMZ1608B301CT
EP80
MMZ1608B301CT
EP58
MMZ1608B301CTEP59
MMZ1608B301CTEP60
MMZ1608B301CT
EP61
MMZ1608B301CT
EP62
MMZ1608B301CTEP63
100P
C59
100P
C62
100P
C58
100P
C61 100P C60
100P
C63
100K
R255
0
R79
LCD_VS
HFID1VP
HFID2VP
DSTB
MCK
DRESH
MDAT
PWRK
FANVP
LRXD
MDAT
LTXD REFL_
REFL_
MSTB2
FRES
REFV
MCK
DSTB
SDPWS
KEY
LCD_ON
PSTB
EALC
START
LCD_CLK
TXS
BANV
BANV
LCD_DE
MSTB1
/DCCLK
PWRS
LCD_DE
DCCLK
LCD_HS
PWRS
LCD_VS
DSHK_
LCD_ON
LCD_B7
SKYS_
FORL_
FORL_
LCD_B6ALCL_
LCD_CLK
LCD_B4
LCD_B3
THML_
AFONS
LCD_G7
LCD_G6
REFL_
KEY
HFID2V
LCD_G5
FORL_
LCD_B5
START
LCD_G4
LCD_G3
THML_
LCD_G2
TPWRL_
EALC
LCD_R7
HFID2V
LCD_R6
IDL_
LCD_R5
POCV
IMPI
LCD_R4
SWRL_
LCD_R3
TSTB3
FANV
IDL_
IDL_
DRIV
MCK
PWRK
TSTB1
PWRS
MSTB2
LRXD
DRESH
LTXD
MDAT
FRES
REFLP
TXS
TCLK
DIDV
DRESH
TDAT
SD_D3
HFID1VP
PSTB
TSTB4
SD_CLK
MDAT
MCK
SD_WP
IREFV
SD_CD
PHASEI
FORLP
TPWRL_
SD_D1
HFID1V
SD_D0
IMPI
SD_CLK
SWRL_
SD_CMD
SD_D3
PHASEI
SD_D2
TOE
TSTB1
TSTB2
TSTB3
TSTB4
TDAT
TCLK
TOE
TXS
MDAT
MSTB1
DRESH
DSHK_
MCK
SKYS_
ALCL_
ICCV
HV
TSTB2
DRIVP
HFID2VP
POCV
IDL_
REFLP
DRIVP
REFLP
FORLP
FORLP
/DCCLK
DCCLK
FANV
DRIV
FANVP
/DCCLK
LCD_HS
HTRAS
ASQLS
SPS
USQLS
UMODS
IREFV
ICCV
DIDV
HFID1V
SD_CMD
SD_D2 SD_D1 SD_WP SD_CD SD_D0
DCCLK
F8V
LCD_B7 LCD_B6 LCD_B5 LCD_B4 LCD_B3 LCD_G7 LCD_G6 LCD_G5 LCD_G4 LCD_G3 LCD_G2 LCD_R7 LCD_R6 LCD_R5 LCD_R4 LCD_R3
5V
8V
HSENI
HSENI
3R3V
3R3V
14V
14V
LCD_DE
PHASEI
HV
LTXD
GND
14V
NC
LCD_CLK
To the TUNER UNIT
RFCNT(EXT)
HFID2V
LCD_G6
14V
NC
GND
LCD_R3
GND
GND
To the RF UNIT
HV
LRXD
SDDAT0
NC
14V
GND
3R3V
SDDAT2
TCLK
14V
GND
8V
SDCLK
NC
14V
14V
8V
SDWP
TDAT
PSTB
ALCL
NC
SDDAT3
3R3V
14V
REFLP
GND
SDDAT1
TSTB1
14V
MSTB1
GND
VDD(3R3V)
TSTB3
KEY
GND
SDCMD
TPWRL
To the PA UNIT
14V
NC
8V
TSTB2
8V
TXS
5V
3R3V
GND
GND
3R3V
8V
GND
IMPI
LCD_B6
14V
GND
3R3V
LCD_B7
START
EALC
GND
GND
IREFV
LCD_R4
DRESH
DSHK
SDCD
8V
TSTB4
LCD_G2
MDAT
ICCV
GND
LCD_B4
GND
14V
SKYS
NC
LCD_ON
TOE
14V
DRIV
NC
3R3V
GND
THML
MCK
NC
LCD_R5
NC
MCK
DRESH
NC
LCD_G7
GND
14V
HSENI
NC
LCD_R7
To the DISPLAY BOARD
POCV
DRIDV
LCD_B3
TXS
PWRS
NC
MDAT
HV
LCD_B5
IDL
IDL
LCD_G4
FORLP
GND
FRES
2.5V
GND
GND
3R3V
[FAN]
HFID1V
PWRK
5V
FAN-
GND
LCD_G5
FAN+
NC
LCD_R6
1.2V
CNTRS(EXT)
REFLP
LCD_VS
14V
FORLP
LCD_G3
GND
GND
SWRL
GND
LCD_HS
GND
GND
SD BOARD
J1
#1:CD/DAT3
#2:CMD
#3-1:VSS
#4:VDD
#5:CLK
#6:VSS
#7:DAT0
#8:DAT1
#9:DAT2
CD
WP1
WP2
#3-2:VSS
27 R2
220 R9
27 R5
MPZ1608S601A
EP7
220 R1
27 R4
0.1
C1
27 R8
27 R6
10
C2
27 R3
J2
1
2
3
4
5
6
7
8
9
10
11
12
13 14
SDDAT2
SDDAT1
VDD(3R3V)
SD CARD SLOT
SDCD
SDCLK
SDWP
SDDAT0
SDCMD
SDDAT3
MAIN UNIT (MAIN-1)

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.
i
MAIN-3
MAIN-1
MAIN-4
MAIN-1
USSENI
EKEY
H3R3V
H3R3V
ESTA
47K
R435
0.01
C456
DRESH
L1SS400
D381
47K
R434
0.01
C458
PSTB
ML414HIV01E
BT381
0.01
C457
DSTB
4.7K
R383
47K
R433
22K
R363
10K
R302
H1R18V
MSTB2
47K
R385
1K
R431
10K
R313
MPZ1608S601A EP301
MSTB1
4.7K
R384
10K
R303
MPZ1608S601A
EP302
MCK
LRB706F
D431
47K
R502
10K
R304
10K
R491
0.1
C342
MDAT
47K
R504
10K
R312
0.1
C341
47K
R442
SKYS_
LCD_R3
47K
R305
1K
R453
0.1
C340
3R3V
H3R3V
LCD_G2
1K
R451
0.1
C339
SD_D0
3.3K R382
DSHK_
LCD_B5
0.1
C338
SD_D1
1
C383
LRB706F
D432
LCD_B6
47K
R308
0.1 C337
SD_D2
H3R3V
LCD_R4
47K
R309
3R3V
0.1 C336
SD_D3
1K
R432
LCD_G5
47K
R310
47K
R361
0.1
C335
SD_CMD
LCD_G4
0.1
C328
H3R3V
0.1
C334
SD_CLK
0.1
C343
TXS
LCD_R6
10K
R311
47K
R439
0.1
C331
SD_CD
0.1
C344
HSENI
LCD_R5
H3R3V
0.1
C330
SD_WP
0.1
C345
RTKI
LCD_G6
0.1
C327
DX_REC
0.1
C346
UCLKS
LCD_B3
10K
R315
1K
R455
0.1C326
DX_FMT
SDPWS
0.1
C333
USSPD
LCD_R7
4.7K
R456
0.1C324
BCLK__
PWRS
0.1
C332
LCD_B4
HV
0.1
C322
FRM__
FRES
0.1
C329
0.1
C372
CTXD
LCD_G3
10K
R441
0.1
C319
DSPCK
LTXD
0.1 C325
VBUS
LCD_G7
3R3V
0.1
C317
DSPX
LRXD
0.1
C323
H3R3V
CRXD/CBSY
LCD_B7
0.1
C316
DR_RSV
PWRK
0.1
C321
10K
R371
UDRXD/UDBSY
LCD_ON
0.1
C391
0.1
C313
DR_AF
0.1
C320
H3R3V
UPWS
LCD_HS
FORL_
IMPI
0.1
C302
DRESD
0.1
C318
USKI
LCD_VS
H3R3V
ALCL_
PHASEI
0.1
C303
DCSR
0.1
C315
UDTXD
LCD_DE
10
C301
REFL_
TCLK
0.1
C305
DCSX
0.01
C452
LCD_CLK
10
C312
IDL_
TDAT
0.1
C306
FPDX
LRB706F
D454
THML_
0.1
C307
DSPR
56K
R362
0.01
C451
SWRL_
0.1
C308
RTD
5.6K
R314
0.1
C351
TPWRL_
0.1
C309
FRWT
LRB706F
D458
47K
R401
47K
R438
47K
R452
0.1
C310
HSK1
4.7K
R351
LRB706F
D451
100K
R492
3R3V
1K
R454
0.1
C311
HSK0
R7S721000VCFP
IC301
1P6_5 2P6_6 3P6_7 4Vcc 5P6_8 6Vss 7P6_9 8PVcc 9P6_10
10 P6_11 11 P6_12 12 P6_13 13 P6_14 14 P6_15 15 P7_0 16 Vss 17 P7_1 18 Vcc 19 P7_2 20 Vss 21 P7_3 22 PVcc 23 P7_4 24 P7_5 25 P7_6 26 P7_7 27 P7_8 28 P7_9 29 Vcc 30 P7_10 31 Vss 32 P7_11 33 Vcc 34 P7_12 35 Vss 36 P7_13 37 PVcc 38 P7_14 39 P7_15 40 P8_0 41 P8_1 42 P8_2 43 P8_3 44 P8_4 45 P8_5 46 PVcc 47 P8_6 48 Vss 49 CKIO 50 Vcc 51 P8_7
52 Vss 53 Vss 54 P8_8 55 P8_9 56 P8_10 57 P8_11 58 P8_12 59 P8_13 60 PVcc 61 P8_14 62 Vss 63 P8_15 64 Vcc
65
P9_0
66
P9_1
67
P3_7
68
P3_6
69
P3_5
70
P3_4
71
P3_3
72
P3_2
73
PVcc
74
P3_1
75
Vss
76
P3_0
77
RES
78
NMI
79
PVcc
80
RTC_X1
81
RTC_X2
82
Vss
83
Vss
84
P0_4
85
P0_5
86
Vcc
87
USBDPVcc
88
USBDPVss
89
DM1
90
DP1
91
VBUS1
92
USBDVcc
93
USBDVss
94
USBDPVcc
95
USBDPVss
96
DM0
97
DP0
98
VBUS0
99
USBDVcc
100
USBDVss
101
REFRIN
102
USBAPVss
103
USBAPVcc
104
USBAVcc
105
USBAVss
106
USBUVcc
107
USBUVss
108
USB_X1
109
USB_X2
110
P0_0
111
Vss
112
EXTAL
113
XTAL
114
PLLVcc
115
PVcc
116
P0_1
117
Vss
118
P1_8
119
AVcc
120
AVss
121
AVref
122
P1_9
123
P1_10
124
P1_11
125
P1_12
126
P1_13
127
P1_14
128
P1_15
129
BSCANP
130
VIDEO_X1
131
VIDEO_X2
132
Vss
133
AUDIO_X1
134
AUDIO_X2
135
PVcc
136
P3_8
137
Vss
138
P3_9
139
Vcc
140
TRST
141
JP0_1
142
JP0_0
143
TMS
144
TCK
145
P3_10
146
P3_11
147
PVcc
148
P3_12
149
Vss
150
P3_13
151
Vcc
152
P3_14
153
P3_15
154
Vss
155
P4_0
156
P4_1
157
P4_2
158
P4_3
159
PVcc
160
P4_4
161
Vss
162
P4_5
163
Vcc
164
P4_6
165
P4_7
166
P2_0
167
P2_1
168
P4_8
169
P4_9
170
P4_10
171
P4_11
172
PVcc
173
P4_12
174
Vss
175
P4_13
176
Vcc
177
P4_14
178
P4_15
179
P2_2
180
P2_3
181
P2_4
182
P2_5
183
P2_6
184
PVcc
185
P2_7
186
P2_8
187
Vss
188
P2_9
189
Vcc
190
P2_10
191
P2_11
192
Vss
193 P2_12
194 P2_13
195 P2_14
196 P2_15
197 P1_0
198 P1_1
199 P1_2
200 P1_3
201 P1_4
202 P1_5
203 P1_6
204 P1_7
205 P0_2
206 PVcc
207 Vss
208 VIN1A
209 VIN2A
210 VDAVcc
211 VDAVss
212 REXT
213 VRP
214 VRM
215 VIN1B
216 VIN2B
217 PVcc
218 Vss
219 Vcc
220 Vss
221 LVDSAPVss
222 LVDSREFRIN
223 LVDSAPVcc
224 P5_0
225 LVDSAPVss
226 P5_1
227 P5_2
228 LVDSAPVcc
229 P5_3
230 P5_4
231 LVDSAPVss
232 P5_5
233 P5_6
234 LVDSAPVcc
235 P5_7
236 LVDSPLLVcc
237 Vss
238 Vss
239 PVcc
240 P5_8
241 P5_9
242 P5_10
243 P9_2
244 P9_3
245 P9_4
246 P9_5
247 P9_6
248 P9_7
249 P0_3
250 Vss
251 PVcc
252 P6_0
253 P6_1
254 P6_2
255 P6_3
256 P6_4
3R3V
0.1
C314
FPSX
LRB706F
D456
TSTB1
0.1
C304
FPSR
H3R3V
TSTB2
47K
R506
SCPCK
LRB706F
D453
TSTB3
3R3V
SCPSS
0.01
C453
LRB706F
D457
TSTB4
47K
R437
SCPR
LRB706F
D452
HV
4.7K
R352
SCPX
TOE
0.01
C455
LRB706F
D455
TCON
J491
1
2
3
4
5
6
7
8
9
10
0.01
C454
H1R18V H3R3V HV
HV
H3R3V
H1R18V
3R3V
3R3V
3R3V
10K
R493
LS37J2
S371
MMZ1005B601C
EP391
MMZ1005B601C
EP351
0.068
C371
0.33
C361
68KR372
NJU7704F3
IC361
1CD
2VSS
3MR 4
VOUT
5
VDD
NJU7704F3
IC371
1CD
2VSS
3MR 4
VOUT
5
VDD
0.1
C362
47K
R391
47K
R392
H3R3V
100K R507
100K
R508
100K
R505
100K
R501
100K
R503
MMZ1005B601C
EP303
MMZ1005B601C
EP304
GT24C128B
IC351
1A0
2A1
3A2
4VSS 5
SDA
6
SCL
7
WP
8
VCC
470
R317
15P
C347
15P
C348
CR-1017
X301
220P
C413
220P
C416
220P
C414
220P
C415
220P
C418
220P
C411
220P
C412
220P
C419
220P
C420
220P
C421
220P
C408
220P
C404
220P
C401
220P
C403
220P
C409
220P
C407
220P
C410
220P
C405
220P
C402
220P
C406
22
R511
22
R512
22PC461
100P
C462
100P
C463
100P
C464
5.6K
R373
RX-8803LC
IC381
1N.C.
2FOE
3VDD
4FOUT
5SCL
6T1(CE) 7
N.C.
8
SDA
9
T2(Vpp)
10
GND
11
INT
12
EVIN
EN25Q64
IC391
1CS
2DO(DQ1)
3WP(DQ2)
4VSS 5
DI(DQ0)
6
CLK
7
NC(DQ3)
8
VCC
UCLKS
FRM_
CRXD/CBSY
DX_REC
CTXD
DR_AF
VBUS
DRESD
ESTA
DSHK
SCPSS
EKEY
SKYS
PWRS
FPSX
RTKI
SDPWS
HSENI
PDV
LCD_CLK
LCD_VS
LCD_B3
LCD_HS
LCD_DE
BCLK_
FRM_
DX_FMT
IMR2
DR_RSV
LCD_B4 LCD_B5 LCD_B6
RESET
RESET
RTD
LCD_B7
VBUS
TCK
LCD_G2
CRXD/CBSY
FPSR
TMS
LCD_G3
CTXD
TRST
LCD_G4
USSENI
HSK0
TDO
LCD_G5
USKI
HSK1
TDI
LCD_G6
USSPD
LCD_G7
FRWT
SFLD3
LCD_R3
UDRXD/UDBSY
SFLD2
LCD_R4
UDTXD SD_WP
SFLD1
LCD_R5
SD_CD
UPWS
SFLD0
LCD_R6
SD_CLK
UCLKS
SFLSS
LCD_R7
SD_CMD
RTKI
SFLCK
SD_D3
HSENI
SD_CD
SD_D2
TXS
RXS
SD_WP
SD_D1
RXS
TXS
SD_D1
SD_D0
SD_D0
HSK0
SD_CLK
DRESH
SD_CMD
MDAT
SD_D3
MCK
SD_D2
DSPR
MSTB1
DSHK
MSTB2
DSPX
DSTB
SKYS
FPDX
PSTB
DCSX
DCSR
VDL
EKEY
IDL
ESTA
DSPCK
THML
TCON
FORL
IMR0
REFL
IMR1
SCPR
ALCL
IMR2
DR_AF
TPWRL
SCPX
SWRL
LRXD
DR_RSV
SCPCK
LTXD
DX_FMT
FRES
PWRK
DX_REC
DRESD
TSTB1 TSTB2 PHASEI TOE IMPI
DSPCK
DSPR DSPX
HSK1
THML
FRWT
LRXD
IDL
LTXD
PWRS
ALCL
REFL
FORL
FPSR FPSX
TOE
DCSR DCSX
PHASEI
FPDX
TSTB4
IMPI
RTD
TSTB3
TSTB2
TSTB1
TDAT
TCLK
TSTB4 TSTB3 TDAT TCLK
USKI
VDL
USSENI
PWRK
EDT
ECK
SDPWS
EDT
ECK
FRES
TCON
TRST
USSPD
RTC_IRQ
RTC_SCL
RTC_SDA
TDI
MDAT
MCK
MSTB1 MSTB2
LCD_ON
DSTB
UPWS
PSTB
UDRXD/UDBSY
DRESH
UDTXD
BCLK_
TCK
PDV
RESET
SFLSS
SFLD1
SFLD2
SFLD3
SFLCK
SFLD0
FRM_
TDO
TMS
TPWRL
SWRL
CRXD/CBSY
UDRXD/UDBSY
LCD_G2
LCD_B7
LCD_B6
LCD_B5
LCD_B4
LCD_B3
LCD_ON
LCD_CLK
LCD_VS
LCD_HS
LCD_DE
LCD_R7
LCD_R6
LCD_R5
LCD_R4
LCD_R3
LCD_G7
LCD_G6
LCD_G5
LCD_G4
LCD_G3
BCLK_
SCPSS SCPR
SCPX
SCPCK
RTC_SCL
RTC_SDA
RTC_IRQ
IMR1 IMR0
MAIN UNIT (MAIN-2)

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.
o
10
R731
22P
C631
USQLS
10K
R713
0.1
C725
D691
L1SS400
0.1
C791
10
C623
100K
R796
L1SS400
D821
0.001
C761
22
R648
22PC724
J691 MMZ1005B601C
EP691
0.01
C753
SHORT
CP741
MMZ1005B601C EP774
10K
R831
1K
R726
MPZ2012S601A
EP751
15K
R803
1M
R852
MPZ1608S601A EP773
0.01
C781
47KR725
MMZ1005B601C
EP662
0.01
C771
10K
R682
DETAF
15K
R628
1K
R601
0.01
C778
SPS
10K
R722
0.1
C671
L2SA1576AR
Q692
4.7K
R824
330
R751
LRB706F
D622
100P
C752
18KR727
L2SA1576AR
Q712
10K
R730
470 CE-LX
C741
TPCF8107
Q746
1 2 3
45
6 7 8
ASQLS
LDTA114EE
Q644
100K
R651
0.22
C734
47K
R645
15K
R721
47K
R650
MMZ1005B601C EP776
LRB706F
D621
100K
R797
0.001
C762
D711
L1SS400
R746 220K
R749
1K
SHORT1005
CP601
18K
R691
MPZ2012S601A
EP752
LDTA114EE
Q645
1.5K
R625
10
C661
1K
R853
10K
R748
0.001
C782
0.01
C773
0.01
C801
AFONS
47K
R685
4.7K
R806
L1SS400
D801
47K
R646
1M
R626
100K
R715
100
R791
47KR851
PCM2901E
IC661
1D+ 2D- 3VBUS 4DGNDU 5HID0 6HID1 7HID2 8SEL0 9SEL1
10 VCCC 11 AGNDC 12 VINL 13 VINR 14 VCOM 15
VOUTR
16
VOUTL
17
VCCP1
18
AGNDP
19
VCCP2
20
XTO
21
XTI
22
AGNDX
23
VCCX
24
TEST0
25
TEST1
26
DGND
27
VDD
28
SSPND
HTRAS
SN74AHC1G32DCK
IC662
1A
2B
3GND 4
Y
5
VCC
USKI
MMZ1005B601C EP783
33U
L732
Q747
RUE002N02
10
C673
470 CE-LX
C751
15K
R627
10K
R804
UCLKS
27
R621
100K
R652
LDTC143ZE
Q643
TC7S66FU
IC681
1 2 34
5
H3R3V
MMZ1005B601C EP781
47K
R649
1
C642
MPZ1608S601A EP771
NJM2904CRB1
IC791 V+
8
GND
4
22
R647
0.1
C662
0.001
C763
10K R681
47K
R714
0.22
C735
LDTC143ZE
Q642
MMZ1005B601C EP780
4.7K
R642
MMZ1005B601C
EP601
12K
R693
MICI
H4V
27P
C627
100K
R716
22P
C632
1K
R843
BANV
0.1
C701
0.01
C776
CTXD
0.1
C681
0.1
C695
27
R622
UDTXD
1.5K
R624
R747
220K
8V
1M
R661
MMZ1005B601C EP782
18K
R711
LDTC143ZE
Q661
USSENI
2.2K
R733
CRXD/CBSY
UDRXD/UDBSY
10K
R643
MMZ1005B601C
EP641
1
C641
10
C667
10K
R692
47K
R696
10
C666
15K
R632
J752
1
2
34
0.001
C764
22
R717
22
R653
10
C668
SHORT1005
CP691
AAF
0.0033
C728
AMOD
10
C674
27
R633
1
C612
MICE
10K
R644
390P
C731
100K
R798
TC7W66FU
IC691
1 2 3 45
6 7 8
0.1
C733
CP2102GMR
IC641
1
DCD 2
RI 3
GND 4
D+ 5 D- 6
VDD 7
REGIN
8VBUS
9RST
10 NC
11 SUSPEND
12 SUSPEND
13 NC
14 NC
15 NC
16 NC
17 NC
18 NC
19 NC
20 NC
21 NC
22
NC
23
CTS
24
RTS
25
RXD
26
TXD
27
DSR
28
DTR
MMZ1005B601C
EP779
1
C675
SHORT1005
CP602
68U
L721
J771
1
1
2
2
3
34
4
5
5
6
6
7
78
8
9
9
10
10
11
11 12
12
13
13
150
R801
UMOD
MPZ1608S601A
EP761
3R3V
27
R631
SHORT CP772
1.5K
R635
SHORT1005
CP712
10
R732
15K
R634
SHORT1005
CP692
VBUS
L2SC4081
Q821
47K
R842
1
C746
47K
R841
27P
C624
33K
R805
MPZ1608S601A
EP762
MMZ1005B601C
EP661
MPZ1608S601A
EP764
L1SS400D722
LDTC143ZE
Q852
27
R630
22
R654
MP7741IC721
1
PIN 2
NIN 3
Timer 4
AGND 5
EN
6UVP
7VDD
8BS
9SW
10 PGND
11
22
R718
MPZ1608S601A
EP621
10
C672
2.2
C611
LRB706F
D841
NJM2904CRB1
IC791
6
5
7
10K
R664
470
R799
XC6209F332MR
IC611
1
VIN 2
VSS 3
CE
4NC
5VOUT
MPZ1608S601A
EP763
LDTA114EE
Q851
0.1
C747
USSPD
0.01
C780
0.01 C779
2.2
C727
27P
C670
0.1
C669
TCON
22P
C628
RTKI
3.3
R724 HSENI
10
C683
SHORT1005
CP693
0.01
C774
33K
R823
0.001
C604
J601
1
2
3
4
10K
R641
5V
0.1
C626
10
C682
15K
R822
ESTA
EKEY
0.1
C630
100K
R684
LDTC143ZE
Q641
33U
L731
0.01
C783
LDTA114EE
Q801
DZ2J062M0
D721
0.1
C625
0.1
C676
10
C663
10
C665
4.7K
R687
2.2
C812
L2SC4081
Q802
L2SC4081
Q711
EALC
MPZ2012S601A EP778
0.47
C732
10P
C693
47K
R694
0.01
C775
J751
TUSB2046BIVFR
IC621
1DP0
2DM0
3VCC
4RESET
5EECLK
6EEDATA/GANGED
7GND
8BUSPWR
9PWRON1
10 OVRCUR1 11 DM1 12 DP1 13 PWRON2 14 OVRCUR2 15 DM2 16 DP2
17
PWRON3
18
OVRCUR3
19
DM3
20
DP3
21
PWRON4
22
OVRCUR4
23
DM4
24
DP4
25
VCC
26
EXTMEM
27
TSTPLL/48MCLK
28
GND
29
XTAL2
30
XTAL1
31
TSTMODE
32
SUSPND
NJM2904CRB1
IC791
2
3
1
LRB706F
D851
LDTC143ZE
Q831
SHORT1005
CP711
470 CE-LX
C721
4.7K
R821
2.2
C811
L2SC4081
Q691
12K
R712
10C726
100K
R623
22P
C629
1M
R663
0.1
C643
UPWS
0.01
C754
3.3
R723
4.7K
R802
J761
1
2
3
4
56
27P C664
27K
R729 100K
R683
DSC7004S0
Q803
2.2
C723
27
R629
MMZ1005B601C
EP775
100K
R695
14V
KEY
START
47K
R750
CP06S
CP621
CP06S
CP622
100
R795
74VHC04FT IC701
V+
14
GND
7
74VHC04FT
IC701
12
74VHC04FT
IC701
98
74VHC04FT
IC701
34
74VHC04FT
IC701
1110
74VHC04FT
IC701
1312
74VHC04FT
IC701
56
1
C722
1K
R662
CR-1020
X661
470 CE-LX
C720
CR-1019
X621
100K
R790
100K
R792
120K
R794
82K
R793
4.7K
R812
2.7KR811
1K
R761
2.2K
R686
3765MP721
1 2 3 4 5
6
7 8
TCON
ESTA
UPWS
UCLKS
UDTXD
USKI
UDRXD/UDBSY
USSENI
USSPD
CRXD/CBSY
HSENI
ASQLS
USQLS
UDRXD/UDBSY
HTRAS
UPWS
5V
CTXD
VBUS
SPS
BANV
UDTXD
HSENI
USKI
USSPD
EALC
EALC
ESTA
BANV
TCON
HTRAS
EKEY
ASQLS
USQLS
RTKI
VBUS
USSENI
RTKI
UCLKS
SPS
EKEY
START
START
KEY
CTXD
CRXD/CBSY
14V
14V
USB+
USB3R3V
USB3R3V
USB-
[EXT-SP]
[ACC]
[USB]
[REMOTE]
CIV
14V
CIVE
MICI
MICE
PHO
PHE
MAIN-4
MAIN-2
MAIN-1
MAIN-1
MAIN UNIT (MAIN-3)

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.
!0
MAIN UNIT (MAIN-4)
FPX_DET
0.1
C921
4.7KR915
10
C991
DFR_MOD
0.1
C998
220
R1022
MPZ1608S601A
EP905
0.1
C1006
TC7W53FK
IC1003
1COM
2INH
3VEE
4GND 5
A
6
CH1
7
CH0
8
VCC
AAF
0.1
C945
DFX_DET
0.1
C942
4.7KR914
MPZ1608S601A EP1002
FPR_MOD
22
R1002
4.7K
R1015
0.1
C949
DETAF
10K
R980
/FPCAL
0.1
C929
STAT
18KR933
47K
R1018
2.2
C1016
22
R930
MPZ1608S601A
EP971
3R3V
47K
R926
22
R906
FRM
18KR916
0.1
C906
MPZ1608S601A EP1001
DONE
100
R1003
TS462CPT
IC1002 6
5
7
0.1
C905
1R2V
100
R982
0.1
C950
47 F93
C918
BCLK
47 F93
C954
FPRES
100
R1000
120P
C1012
XC6209F502MR
IC961 1
VIN 2
VSS 3
CE
4NC
5VOUT
0.1
C976
0.01
C916
MCLK
47K
R1016
CFG
100
R999
SHORT1005
CP1001
TMS320C6745DPTPA3
IC901
1 2 3 4 5 6 7 8 9
10 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 41 42 43 44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89 90 91 92 93 94 95 96 97 98 99
100 101 102 103
104
105 106 107 108 109 110 111 112
113 114
115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
PCM1754DBQ
IC991 1
BCK 2
DATA 3
LRCK 4
DGND 5
NC 6
VCC 7
VOUTL 8
VOUTR
9AGND
10 VCOM
11 ZEROA
12 TEST
13 DEMP
14 MUTE
15 FMT
16 SCK
MPZ1608S601A
EP906
NJM2904CRB1
IC972
V+
8
GND
4
47 F93C902
DR_RSV
0.1
C947
0.1
C933
100
R977
0
R1020
2.2
C962
0.1
C913
DR_AF
0.1
C946
47 F93
C936
0.1
C915
10
C1018
0.1
C923
0.1
C909
3.9K
R998
SHORT
CP902
8V
DRESD
0.1
C952
LDTC143ZE
Q1001
L2SC4081
Q972
0.1
C1019
12K
R996
SHORT
CP901
MPZ2012S601A
EP901
MPZ1608S601A
EP904
DX_FMT
0.1
C922
0.1
C944
AGCV
470 CE-LX
C1017
0.1
C935
820P
C1000
100
R925
0.1
C919
0.1
C910
DX_REC
47 F93
C903
22
R908
10K
R981
68K
R1012
2.2
C961
0.0033
C996
0.1
C1005
100
R924
0.1
C941
HSK0
0.1
C997
2.2
C1010
3.9K
R994
18KR913
22
R971
22
R905
HSK1
100K
R975
100
R922
0.1
C931
10
C971
CP06S
CP971
RTD
1K
R902
0.1
C938
0.1
C943
150P
C975
PCM1754DBQ
IC971 1
BCK 2
DATA 3
LRCK 4
DGND 5
NC 6
VCC 7
VOUTL 8
VOUTR
9AGND
10 VCOM
11 ZEROA
12 TEST
13 DEMP
14 MUTE
15 FMT
16 SCK
0.1
C992
1M
R901
MICE
TS462CPT
IC992
V+
8
GND
4
22
R921
1KR935
FRWT
22
R909
0.1
C912
0.1
C927
100K
R974
10
C973
10
C994
0.1
C928
DSPCK
0.1
C930
10
C1009
10K
R1013
10
C1007
0.1
C934
0.1
C1014
47 F93 C939
0.1
C932
4.7KR912
DCSX
1KR932
0.1
C972
4.7KR917
100
R992
TS462CPT
IC1002
V+
8
GND
4
22
R923
0.1
C953
47 F93
C917
0.1
C924
DCSR
0.1
C925
0.1
C914
100
R976
10
C993
MPZ1608S601A
EP991
0.1
C920
10
C1004
22
R991
UMOD
22
R929
100K
R972
DSPR
0.1
C907
22
R927
0.1
C911
220P
C1013
1K
R1021
0.1
C951
0.1
C1003
AMOD
MPZ2012S601A
EP902
150P
C974
DSPX
MAIN-2
MAIN-6
0.1
C948
0.1
C908
47 F93
C937
47K
R1017
0.1
C940
TS462CPT
IC1002
2
3
1
UMODS
100K
R973
/CAL
0.1
C926
FPX_AGC MICI
10
C1008
10
C1002
10
C1001
L2SC4081
Q971
22
R907
DFX_AGC
SPCK
SPDO
EN25QH32A
IC902
1CS
2DO(DQ1)
3WP(DQ2)
4VSS 5
DI(DQ0)
6
CLK
7
HOLD(DQ3)
8
VCC
PCM1802DBR
IC1001 1
VINL 2
VINR 3
VREF1 4
VREF2 5
VCC 6
AGND 7
PDWN 8
BYPAS 9
FSYNC 10
LRCK
11 BCK
12 DOUT
13 DGND
14 VDD
15 SCKI
16 OSR
17 FMT0
18 FMT1
19 MODE0
20 MODE1
0.1
C977
100
R928
NJM2904CRB1
IC972
6
5
7
NJM2904CRB1
IC972
2
3
1
TS462CPT
IC992
6
5
7
TS462CPT
IC992
2
3
1
22
R1001
10
C1015
10
C1020
1.2K
R1009
4.7K
R1007
10K
R1010
18K
R1005
100K
R979
100P
C955
14V
47P
C1023
47P
C1022
47P
C1021
47P
C1025 47P
C1024
CP1002
820
R993 4.7K R995
8.2KR997
0.0033
C995
18K
R1006
47K
R1004
12K
R1008
2.2
C1011
CR-1021
X901
RSSI
J901
12
34
56
78
910
22P
C901
22P
C904
4.7K
R910
15K
R1011
18K
R1019
150PC999
39K
R978
MPZ1608S601A
EP1003
3R3VA
0.1
C981
BCLK__
FRM__
/FPCAL
HSK0 HSK1
DRESD
FRM
DSPCK
FRWT
BCLK
MCLK
FPR_MOD
FPX_DET
DCSX
FPX_AGC
FPRES
STAT
CFG
/CAL
DONE
DFX_AGC
DFX_DET
DFR_MOD
DCSR
STAT FPRES
FPX_DET
FPR_MOD
DSPX
DX_FMT DR_RSV
DFX_DET
DONE
DFX_AGC
DSPR
/CAL
DFR_MOD
FPX_AGC
BCLK
MCLK
BCLK
FRM
MCLK
BCLK
FRM
MCLK
AD5V
AD5V
AD5V
CFG
SPCK
DRESD
SPDI
SPDO
DR_RSV
SPCS
DX_FMT
DR_AF
DX_REC
DR_AF
DRESD
DX_REC
HSK0
HSK1
RTD
FRWT
1R2V
RTD
SPDO
SPCK
/FPCAL
FRM
DSPCK
DCSX
DCSR
DSPR
DSPX
RSSI
RSSI
SPDI
SPCK
SPDO
SPCS
BCLK__
FRM__
FRM__
BCLK__
3R3VA
5V
14V
MAIN-6
MAIN-3
MAIN-5
MAIN-3
MAIN-1

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.
!1
MAIN UNIT (MAIN-5)
0.1
C1332
10K
R1212
2.2
C1241
47
R1213
0.1
C1336
0.1
C1231
0.1
C1212
1.8K
R1252
33K
R1201
SHORT
CP1304
0.1
C1334
0.1
C1254
MMZ1005A222ET
EP1201
J1231
0.1
C1333
15K
R1204
2SC3356L
Q1201
0.1 C1252
MMZ1005Y102CT
EP1211
0.01
C1201
REFV
68K
R1203
2.2
C1322
BAP70Q D1251
1 2 34
5
56K
R1202
0.1
C1251
2.2
C1321
560
R1254
MMZ1005B601C
EP1203
1.8K
R1253
0.01
C1207
MMZ1005Y102CT
EP1251
560
R1256
XC6209F502MR
IC1241
1VIN
2VSS
3CE 4
NC
5
VOUT
SN74AHC1GU04DCK
IC1211
1
2
34
5
CR-932
X1201
1VCONT 2
GND
3
OUT
4VCC
56
CASE-BM7H
EP1202
1 2
0.1
C1255
0.001
C1205
0.1 C1253
0.1
C1204
0.001
C1211
0.1
C1202
MMZ1005Y102CT EP1331
LDTC143ZE
Q1231
0.001
C1203
18K
R1205
MMZ1005Y102CT EP1332
470
R1206
SHORT
CP1333
0.5P
C1208
0.01
C1209
SHORT
CP1334
MMZ1005Y102CT
EP1252
8P
C1206
2.2
C1242
SHORT
CP1335
AGCV
8V
3R3V
FRXS
LR-592
L1331
10
C1337
10C1335
CLK41M_N
CLK41M_P
0.01
C1213
MMZ1005Y102CT
EP1212
SN65LVDS1DBV
IC1212
1VCC 2GND 3Z4
Y
5
D
L2SA1576AR
Q1202
220
R1207
47
R1211
180
R1232
560
R1231
LDTA114EE
Q1232
FTXS
LDTC143ZE
Q1234
LDTA114EE
Q1235
0.1
C1233
0.1
C1232
XC6209F332MR
IC1321
1VIN
2VSS
3CE 4
NC
5
VOUT
49.9
R1331
120
R1334
1.8K
R1335
ISL5857IAZ
IC1331
1
D11(MSB) 2
D10 3
D9 4
D8 5
D7 6
D6 7
D5 8
D4 9
D3 10
D2 11
D1 12
D0(LSB) 13
DCOM 14
DCOM
15 SLEEP
16 REFLO
17 REFIO
18 FSADJ
19 NC
20 ACOM
21 IOUTB
22 IOUTA
23 COMP
24 AVDD
25 NC
26 DCOM
27 DVDD
28 CLK
180
R1233
100K
R1236
CASE-BM7H
EP1333
1 2
0.1
C1221
0.001
C1222
FL-391
FI1221
1
I
3 4 6 7 8 2
5O
DACLK
0.001
C1223
MMZ1005Y102CT
EP1221
SHORT
CP1305
SHORT
CP1306
LQW18ANR12G00D
L1281 LQW18ANR12G00D
L1282
33P
C1281
82P
C1283
33P
C1285
0.001
C1224
100K
R1238
MMZ1005Y102CT EP1302
2.2
C1318
2.2
C1319
10
C1309
5V
560
R1251
MMZ2012Y102B
EP1301
BA033FP
IC1318
IO
G
2.2
C1220
3.3
R13193.3
R1318
XC6209F332MR
IC1325
1
VIN 2
VSS 3
CE
4NC
5VOUT
2.2
C1325
2.2
C1326
0.1
C1235
SN74LVC1G04DCK
IC1221 1
2
3
4
5
0.1
C1256
MMZ1005Y102CT
EP1235
MMZ1005Y102CT
EP1236
10K
R1222
0
R1224
0
R1255
150
R1258
1SV308
D1232
1SV308
D1231
100U
L1232
100U
L1231
100U
L1253
100U
L1251
100U
L1252
47
R1221
100 R1225
100
R1223
3R3VA
0.1
C1300
0.1
C1236
0.1
C1237
100U
L1233
0.1
C3003
CMOS
MAIN-4
MAIN-6
MAIN-6
MAIN-6
MAIN-6
MAIN-1
MAIN-6
MAIN-1
MAIN-4
RX-ADC

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.
!2
MAIN UNIT (MAIN-6)
MAIN-1
F1R2VP
DFX_AGC
100
R1358
0.47
C1379
4.7
C1389
0.001
C1368
0.01
C1353
0.01
C1374
4.7
C1387
0.001
C1370
MPZ1608S601A
EP1353
0.01
C1376
FPX_DET
DSPR
/FPCAL
100
C1393
0.001
C1366
FPDX
100
C1391
DFR_MOD
F2R5V
DONE
F1R2V
3R3V
0.47
C1356
4.7
C1390
CFG
0.001
C1357
100
C1392
SPDO
F2R5VA
0.001
C1369
4.7
C1352
0.01
C1355
100
R1353
10K
R1363
0.47
C1360
0.47
C1378
BCLK
100
R1356
100
R1357
FPRES
100
R1352
0.47
C1375
F3R3V
MPZ1608S601A
EP1352
0.01
C1372
0.47
C1386 0.47
C1380
0.47
C1383
FRM
100
R1359
DFX_DET
0.001
C1364
0.01
C1373
1R2V
4.7
C1354
DSPCK
FPR_MOD
STAT
4.7
C1388
0.001
C1363
SPCK
2R5V
0.47
C1358
0.47
C1382
MCLK
0.001
C1359
MPZ1608S601A
EP1355
100
R1354
0.001
C1361
0.47
C1385
0.001
C1367
0.001
C1362
100
R1355
0.47
C1371
100
C1394
MPZ1608S601A
EP1354
MPZ1608S601A
EP1351
100
R1351
0.47
C1384
DCCLK
/DCCLK
/CAL
SCPR
SCPX
SCPCK
SCPSS
FPSR
FPSX
FPX_AGC
CP1357
CP1356
100
R1371
MMZ1005Y102CT
EP1401
0.1
C1401
47K
R1401
CP1359
CP1358
0.001
C1365
0.47
C1381 0.47 C1377
23LC1024T
IC1401
1CS
2D0(DQ1)
3WP(DQ2)
4VSS 5
DI(DQ0)
6
CLK
7
NC(DQ3)
8
VCC
22
R1366
22
R1367
100
R1381
100
R1382
100
R1383
100
R1384
100
R1385100
R1380
470 CE-LX
C1350
47 F93
C1351
47 F93
C1396
RSSI
100
R1386
EP4CE55F23I7N
IC1351
G4
DIFFIO_L1p G3
DIFFIO_L1n B2
DIFFIO_L2p B1
DIFFIO_L2n G5
VREFB1N0 E4
DIFFIO_L3p/nRESET E3
DIFFIO_L3n/ C2
DIFFIO_L4p C1
DIFFIO_L4n D2
DIFFIO_L5p D1
DIFFIO_L5n/DATA1 H7
NC H6
DIFFIO_L6p J6
DIFFIO_L6n H4
DIFFIO_L7p H3
DIFFIO_L7n E2
DIFFIO_L8p/FLASH_nCE E1
DIFFIO_L8n F2
DIFFIO_L9p F1
DIFFIO_L9n J5
NC H5
VREFB1N1 K6
nSTATUS J7
DIFFIO_L11p K7
DIFFIO_L11n J4
DIFFIO_L12p H2
DIFFIO_L13p H1
DIFFIO_L13n J3
DIFFIO_L14n J2
DIFFIO_L15p J1
DIFFIO_L15n K2
DCLK K1
DATA0 K5
nCONFIG L5
TDI L2
TCK L1
TMS L4
TDO L3
nCE G1
DIFFCLK_0n
EP4CE55F23I7N
IC1351
T2 DIFFCLK_1p
T1 DIFFCLK_1n
L6 DIFFIO_L16p
M6 DIFFIO_L16n
M2 DIFFIO_L17p
M1 DIFFIO_L17n
M4 DIFFIO_L18p
M3 DIFFIO_L18n
N2 DIFFIO_L19p
N1 DIFFIO_L19n
M5 VREFB2N0
P2 DIFFIO_L20p
P1 DIFFIO_L20n
R2 DIFFIO_L21p
R1 DIFFIO_L21n
N5 DIFFIO_L22n
P4 DIFFIO_L23p
P3 DIFFIO_L23n
U2 DIFFIO_L24p
U1 DIFFIO_L24n
V2 DIFFIO_L25p
V1 DIFFIO_L25n
P5 DIFFIO_L26p
N6 DIFFIO_L26n
R4 DIFFIO_L27p
R3 DIFFIO_L27n
W2 DIFFIO_L28p
W1 DIFFIO_L28n
Y2 DIFFIO_L29p
Y1 DIFFIO_L29n
T3 VREFB2N1
N7 DIFFIO_L30p
P7 DIFFIO_L30n
AA1 DIFFIO_L31n
V4 RUP1
V3 RDN1
P6 DIFFIO_L32p
R5 DIFFIO_L32n
T4 NC
T5 DIFFIO_L33p
R6 DIFFIO_L33n
EP4CE55F23I7N
IC1351
V6 DIFFIO_B1p
V5 DIFFIO_B1n
U7 DIFFIO_B2p
U8 DIFFIO_B2n
Y4 DIFFIO_B3p
Y3 DIFFIO_B3n
Y6 NC
AA3 PLL1_CLKOUTp
AB3 PLL1_CLKOUTn
W6 DIFFIO_B4p
V7 DIFFIO_B4n
AA4 NC
AB4 VREFB3N1
AA5 DIFFIO_B5p
AA6 DIFFIO_B5n
AB6 DIFFIO_B6p
AB5 DIFFIO_B6n
W7 DIFFIO_B7p
Y7 DIFFIO_B7n
U9 DIFFIO_B8p
V8 DIFFIO_B8n
W8 NC
AA7 DIFFIO_B10p
AB7 DIFFIO_B10n
Y8 DIFFIO_B11p
T10 DIFFIO_B13p
T11 DIFFIO_B13n
V9 VREFB3N0
V10 DIFFIO_B15p
U10 DIFFIO_B16n
AA8 DIFFIO_B17p
AB8 DIFFIO_B17n
AA9 DIFFIO_B18p
AB9 DIFFIO_B18n
U11 DIFFIO_B19p
V11 DIFFIO_B19n
W10 DIFFIO_B20p
Y10 DIFFIO_B20n
AA10 DIFFIO_B21p
AB10 DIFFIO_B21n
AA11 DIFFCLK_6p
AB11 DIFFCLK_6n
EP4CE55F23I7N
IC1351
AA12 DIFFCLK_7p
AB12 DIFFCLK_7n
AA13 DIFFIO_B23p
AB13 DIFFIO_B23n
AA14 DIFFIO_B25p
AB14 DIFFIO_B25n
V12 VREFB4N1
W13 DIFFIO_B26p
Y13 DIFFIO_B26n
AA15 DIFFIO_B27p
AB15 DIFFIO_B27n
U12 DIFFIO_B28p
Y14 DIFFIO_B29p
Y15 DIFFIO_B29n
AA16 DIFFIO_B30p
AB16 DIFFIO_B30n
V13 DIFFIO_B31p
W14 DIFFIO_B31n
U13 DIFFIO_B32p
V14 DIFFIO_B33p
U14 DIFFIO_B33n
U15 DIFFIO_B34p
V15 DIFFIO_B34n
W15 DIFFIO_B35p
T14 DIFFIO_B36p
T15 DIFFIO_B36n
AB18 NC
AA17 DIFFIO_B37p
AB17 DIFFIO_B37n
AA18 VREFB4N0
AA19 RUP2
AB19 RDN2
W17 DIFFIO_B38p
Y17 DIFFIO_B38n
AA20 DIFFIO_B39p
AB20 DIFFIO_B39n
V16 NC
U16 DIFFIO_B40p
U17 DIFFIO_B40n
T16 PLL4_CLKOUTp
R16 PLL4_CLKOUTn
R14 DIFFIO_B41p
R15 DIFFIO_B41n
EP4CE55F23I7N
IC1351
AA21 DIFFIO_R36p
T17 RUP3
T18 RDN3
W20 NC
W19 VREFB5N1
Y22 DIFFIO_R35n
Y21 DIFFIO_R35p
U20 DIFFIO_R34n
U19 DIFFIO_R34p
W22 DIFFIO_R32n
W21 DIFFIO_R32p
T20 DIFFIO_R31n
T19 DIFFIO_R31p
R17 DIFFIO_R30n
P17 DIFFIO_R30p
V22 DIFFIO_R29n
V21 DIFFIO_R29p
R20 DIFFIO_R28n
U22 DIFFIO_R27n
U21 DIFFIO_R27p
R18 DIFFIO_R26n
R19 DIFFIO_R26p
N16 DIFFIO_R25p
R22 DIFFIO_R24n
R21 DIFFIO_R24p
P20 VREFB5N0
P22 DIFFIO_R23n
P21 DIFFIO_R23p
N20 DIFFIO_R22n
N19 DIFFIO_R22p
N17 DIFFIO_R21n
N18 DIFFIO_R21p
N22 DIFFIO_R20n/DEV_OE
N21 DIFFIO_R20p/DEV_CLRn
M22 DIFFIO_R19n
M21 DIFFIO_R19p
M20 DIFFIO_R18n
M19 DIFFIO_R18p
M16 NC
T22 DIFFCLK_3n
T21 DIFFCLK_3p
EP4CE55F23I7N
IC1351
G22 DIFFCLK_2n
G21 DIFFCLK_2p
M18 CONF_DONE
M17 MSEL0
L18 MSEL1
L17 MSEL2
K20 MSEL3
L22 DIFFIO_R17n/INIT_DONE
L21 DIFFIO_R17p/CRC_ERROR
K19 VREFB6N1
K22 DIFFIO_R16n/nCEO
K21 DIFFIO_R16p/CLKUSR
J22 DIFFIO_R15n
J21 DIFFIO_R15p
H22 DIFFIO_R14n
H21 DIFFIO_R14p
K17 DIFFIO_R13n
K18 DIFFIO_R13p
J18 DIFFIO_R12n
F22 DIFFIO_R11n
F21 DIFFIO_R11p
J20 DIFFIO_R10n
J19 DIFFIO_R10p
J17 NC
H20 DIFFIO_R9n
H19 DIFFIO_R9p
E22 DIFFIO_R8n/nWE
E21 DIFFIO_R8p/nOE
H18 VREFB6N0
H16 NC
D22 DIFFIO_R7n
D21 DIFFIO_R7p
F20 DIFFIO_R6n/nAVD
F19 DIFFIO_R6p
G18 DIFFIO_R5n/PADD23
H17 DIFFIO_R5p
C22 DIFFIO_R4n
C21 DIFFIO_R4p
B22 DIFFIO_R3n/PADD22
B21 DIFFIO_R3p/PADD21
C20 DIFFIO_R2n/PADD20
D20 DIFFIO_R2p
F17 DIFFIO_R1n
G17 DIFFIO_R1p EP4CE55F23I7N
IC1351
F16 DIFFIO_T42n
E16 DIFFIO_T42p
F15 DIFFIO_T41n
G16 DIFFIO_T41p
G15 DIFFIO_T40n
F14 DIFFIO_T40p
C18 DIFFIO_T39n
D18 DIFFIO_T39p
D17 VREFB7N0
C19 DIFFIO_T37n
D19 DIFFIO_T37p
A20 PLL2_CLKOUTn
B20 PLL2_CLKOUTp
C17 DIFFIO_T35p
B19 RUP4
A19 RDN4
A18 DIFFIO_T34n
B18 DIFFIO_T34p/PADD0
D15 DIFFIO_T33n
E15 DIFFIO_T33p
G14 DIFFIO_T32n
G13 DIFFIO_T32p
A17 DIFFIO_T31n/PADD1
B17 DIFFIO_T31p/PADD2
A16 DIFFIO_T30n
B16 DIFFIO_T30p
C15 VREFB7N1
E14 DIFFIO_T28n/PADD3
F13 DIFFIO_T28p/PADD4
A15 DIFFIO_T27n/PADD5
B15 DIFFIO_T27p/PADD6
C13 DIFFIO_T26n/PADD7
D13 DIFFIO_T26p/PADD8
E13 NC
A14 DIFFIO_T25n/PADD9
B14 DIFFIO_T25p/PADD10
A13 DIFFIO_T24n/PADD11
B13 DIFFIO_T24p/PADD12
E12 NC
E11 DIFFIO_T23n/PADD13
F11 DIFFIO_T23p/PADD14
A12 DIFFCLK_5n
B12 DIFFCLK_5p
EP4CE55F23I7N
IC1351
A11 DIFFCLK_4n
B11 DIFFCLK_4p
D10 DIFFIO_T22n
E10 DIFFIO_T22p
A10 DIFFIO_T21n
B10 DIFFIO_T21p/PADD15
A9 DIFFIO_T20n/PADD16
B9 DIFFIO_T20p/PADD17
C10 VREFB8N0
G11 DIFFIO_T18n
A8 DIFFIO_T17n/DATA2
B8 DIFFIO_T17p/DATA3
A7 DIFFIO_T16n/PADD18
B7 DIFFIO_T16p/DATA4
A6 DIFFIO_T15n/PADD19
B6 DIFFIO_T15p/DATA15
E9 DIFFIO_T14n
C8 DIFFIO_T13n/DATA14
C7 DIFFIO_T13p/DATA13
D8 DIFFIO_T12n
E8 DIFFIO_T12p
A5 DIFFIO_T11p/DATA5
B5 VREFB8N1
G10 DIFFIO_T10n
F10 DIFFIO_T10p/DATA6
C6 DIFFIO_T9n/DATA7
D7 DIFFIO_T9p
A4 DIFFIO_T8n
B4 DIFFIO_T8p/DATA8
F8 DIFFIO_T7n/DATA9
G8 DIFFIO_T7p
A3 DIFFIO_T5n/DATA10
B3 DIFFIO_T5p/DATA11
D6 DIFFIO_T4n
E7 DIFFIO_T4p
C3 DIFFIO_T3n
C4 DIFFIO_T3p/DATA12
F7 DIFFIO_T2n
G7 DIFFIO_T2p
F9 NC
E6 PLL3_CLKOUTn
E5 PLL3_CLKOUTp
G9 DIFFIO_T1n
EP4CE55F23I7N
IC1351
L10 GND
L11 GND
M10 GND
M11 GND
L12 GND
L13 GND
M12 GND
M13 GND
N11 GND
K11 GND
N12 GND
K12 GND
K13 GND
N13 GND
N10 GND
K10 GND
J9 GND
F12 GND
H12 GND
H13 GND
J15 GND
K16 GND
L15 GND
N15 GND
R13 GND
R11 GND
R9 GND
P8 GND
H14 GND
H10 GND
H8 GND
N8 GND
R7 GND
T8 GND
T12 GND
P16 GND
L8 GND
M7 GND
A1 GND
C5 GND
V18
GNDA4 F5
GNDA3 E18
GNDA2 U5
GNDA1 AA22
GND AA2
GND G2
GND K3
GND F3
GND D3
GND W3
GND U3
GND N3
GND AB1
GND Y5
GND Y9
GND Y11
GND Y12
GND Y16
GND Y18
GND AB22
GND Y20
GND V20
GND P19
GND L20
GND G20
GND E20
GND A22
GND C16
GND C14
GND C12
GND C11
GND C9
GND
EP4CE55F23I7N
IC1351
J11 VCCINT
J12 VCCINT
L14 VCCINT
M14 VCCINT
P11 VCCINT
P12 VCCINT
L9 VCCINT
M9 VCCINT
J13 VCCINT
J14 VCCINT
K14 VCCINT
J10 VCCINT
K9 VCCINT
N9 VCCINT
P9 VCCINT
P10 VCCINT
P13 VCCINT
P14 VCCINT
N14 VCCINT
J16 VCCINT
K15 VCCINT
L16 VCCINT
M15 VCCINT
R12 VCCINT
R10 VCCINT
R8 VCCINT
H9 VCCINT
G12 VCCINT
J8 VCCINT
M8 VCCINT
T7 VCCINT
T9 VCCINT
T13 VCCINT
P15 VCCINT
H15 VCCINT
H11 VCCINT
K8 VCCINT
L7 VCCINT
D4
VCCIO1
F4
VCCIO1
F6
VCCD_PLL3 E17
VCCD_PLL2 U6
VCCD_PLL1 U18
VCCA4 G6
VCCA3 F18
VCCA2 T6
VCCA1 D11
VCCIO8 D9
VCCIO8 D5
VCCIO8 A2
VCCIO8 D16
VCCIO7 D14
VCCIO7 D12
VCCIO7 A21
VCCIO7 L19
VCCIO6 G19
VCCIO6 E19
VCCIO6 Y19
VCCIO5 V19
VCCIO5 P18
VCCIO5 W18
VCCIO4 W16
VCCIO4 W12
VCCIO4 AB21
VCCIO4 W11
VCCIO3 W9
VCCIO3 W5
VCCIO3 AB2
VCCIO3 W4
VCCIO2 U4
VCCIO2 N4
VCCIO2 K4
VCCIO1
V17
VCCD_PLL4
F2R5V
F3R3V
F2R5V
F3R3V
F3R3V
F3R3V
F3R3V
F3R3V
MMZ1005Y102CT
EP1364
MMZ1005Y102CT
EP1365
220P
C1339
220P
C1338
1K
R1387
1K
R1388
0.1
C1399
0.1
C1400
47P
C1397
100P
C1398
100
R1368
BCLK__
100
R1369
FRM__
SPCK
SPDO
CFG
FFDO
2R5V
FFCS
MSEL3
MSEL2
FFCLK
FFDI
DONE
CFG
SPCK
DONE
STAT
STAT SPDO
/DCCLK
DCCLK
DCCLK
/DCCLK
DACLK
FFCLK
FFDI
FFDO
FFCS
F3R3V
MAIN-5
MSEL2 H
MSEL3 H
MAIN-5
MAIN-4
MAIN-2,4 MAIN-4
MAIN-2
MAIN-1
MAIN-2
MAIN-4
MAIN-2,4
MAIN-4
C1340
10P

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.
!3
4.7U
L1104
120
R1057
0.1
C1082
0.0027
C1105
1
C11015.6U
L1103
0.1
C1033
0.0047
C1031
0.0068
C1104
8.2
R1085
1SV308
D1081
1SV308
D1101
47K
R1082
1SV308
D1082
0.0015
C1103
220U
L1102
100U
L1081
1SV308
D1083
1
C1081
47K
R1087
39
R1083
0.1
C1102
220U
L1101
0.1
C1071
1
C1083
J1001
39
R1084
0.0022
C1034
0
R1016
J1071
0.1 C1022
100
R1026
MMZ1005Y102CT
EP1021
1.8K
R1023
560
R1025
1.8K
R1021
0.1 C1021
560
R1024
BAP70Q D1021
1 2 34
5
0.1 C1024
0.1 C1023
1SV308
D1053
0.1
C1041
BAP70Q D1041
1 2 34
5
100
R1046
1.8K
R1041
MMZ1005Y102CT
EP1042
1.8K
R1043
0.1
C1043
560
R1044
1K
R1042
0.1
C1042
560
R1045
0.1 C1044
MMZ1005Y102CT
EP1041
MMZ1005Y102CT
EP1022
0.1
C1045
XC6209F502MR
IC1061
1
VIN 2
VSS 3
CE
4NC
5VOUT
BGA2866
IC1031
6
2 4
3
5
1
0.0047
C1020
LDTC143ZE
Q1062
LDTA114EE
Q1061
100U
L1021
100U
L1023
100U
L1022
100U
L1041
100U
L1043
100U
L1042
10
R1031
BAR64
D1051
BAR64
D1052
47
R1054
47
R1055
0.1
C1052
0.1
C1053
MMZ1005Y102CT
EP1051
L2SC4081
Q1051
0.01
C1051
22K
R1051
10
C1061
2.2
C1062
1K
R1022
100U L1051
0.1
C1084
100U L1083
560
R1089
100U
L1082
560
R1088
180
R1081
0.1
C1055
MMZ1005Y102CT
EP1053
0.1
C1056
100U L1052
100U
L1053
1K
R1059
0.1
C1192
1SV308
D1192
180 R1192
1SV308
D1191
120
R1191
0.1
C1199
390P C1197
390P C1193
82P
C1195
0.1
C1209
180 R1202
0.1
C1202
1SV308
D1202
1SV308
D1201
120
R1201
0.15U L1201 0.15U L1203
270P C1203
270P C1207
68P
C1205
120
R1211
0.1
C1212
1SV308
D1212
0.1
C1219
180 R1212
1SV308
D1211
1SV308
D1232
1SV308
D1231
120
R1231 180 R1232
0.18U L1191 0.18U L1193
0.68U
L1202
LDTC143ZE
Q1191
22K
R1193
0.1
C1191
LDTC143ZE
Q1201
22K
R1203
0.1
C1201
LDTC143ZE
Q1211
0.1
C1211
22K
R1213
LDTC143ZE
Q1221
0.1
C1221
22K
R1223
LDTC143ZE
Q1231
0.1
C1231
22K
R1233
100P C1263
1SV308
D1241
22K
R1263
0.1
C1262
37.5N
L1263
0.1
C1242
68P
C1251
1SV308
D1261
33P
C1269
12P
C1265
1SV308
D1242
72.0N
L1264
47P
C1250
33P
C1276
75P
C1271
120
R1241
47P
C1256
100P
C1267
0.1
C1261
100N
L1265 1SV308
D1262
47P
C1280
37.5N L1261
LDTC143ZE
Q1241
97.0N L1268
82P
C1274
33P
C1253
100U L1270
100N
L1244
120
R1261
180 R1242
330P
C1279
0.15U
L1246
82P
C1254
0.1
C1241
100P
C1252
LDTC143ZE
Q1261
97.0N L1269
47P
C1273
135N
L1245
180
R1262
0.33U
L1262
27P
C1278
27P
C1255
0.1
C1249
0.18U L1267
0.1
C1182
1SV308
D1182
180
R1132
0.1
C1151
680P C1173
0.1
C1141
0.1
C1142
0.0015 C1153
22K
R1143
1SV308
D1111
0.47U L1163
120P
C1185
120
R1171
0.0022
C1137
0.1
C1161
1SV308
D1162
1SV308
D1141
0.1
C1171
0.47U L1161
0.0022 C1147
1SV308
D1181
120
R1181
100U L1111
22K
R1153
1SV308
D1112
22K
R1183
180 R1152
180 R1162
1SV308
D1171
1SV308
D1152
180P
C1175
LDTC143ZE
Q1181
0.1
C1112
0.33U L1181
0.1
C1179
560P
C1187
120
R1141
1SV308
D1131
LDTC143ZE
Q1141
180
R1111
4.7U
L1112
220P
C1155
0.1
C1189
120
R1151
180
R1122
0.1
C1132
LDTC143ZE
Q1171
390P
C1145
0.0033
C1115
0.1
C1169
0.001
C1125
120
R1131
680P
C1135
0.1
C1159
22K
R1163
1SV308
D1121
0.0022 C1133
120
R1121
0.0022
C1143
0.1
C1162
180 R1142
LDTC143ZE
Q1161
LDTC143ZE
Q1131
0.56U L1151
1SV308
D1172
0.0012 C1163
0.1
C1139
0.1
C1111
0.56U L1153
1SV308
D1161
0.1
C1122 0.0022 C1123
0.1
C1129
22K
R1173
22K
R1123
100U L1114
180
R1182
1SV308
D1142
LDTC143ZE
Q1151
0.0015 C1157
5.6U
L1142
4.7U
L1113
1SV308
D1122
0.1
C1181
200P
C1165
0.0012 C1167
0.33U L1183
120
R1161
0.56U L1173
180
R1113
LDTC143ZE
Q1111
1SV308
D1132
22K
R1114
0.56U L1171
0.1
C1149
0.1
C1121
1SV308
D1151
0.0015
C1113
0.0022
C1127
0.1
C1172
LDTC143ZE
Q1121
180 R1172
0.1
C1152
560P C1183
22K
R1133
680P C1177
0.1
C1131
0.0015
C1117
0.01
C202
J101
0
R102
MMZ1005B601C
EP201
MMZ1005B601C
EP202
MMZ1005B601C
EP101
0.01
C201
J201
0
R201
0
R101
MPZ2012S601A
EP102
0.1
C1562
10K
R1533
LDTA114EE
Q1511
NJM13403V
IC1501
2
3
1
270K
R1534
2.2K
R1561
100K
R1562
2.7K
R1569
L1SS400
D1531
L1SS400
D1563
L1SS400
D1501
KTC2875
Q1562
47K
R1531
0.01
C1561
470
R1535
LDTC143ZE
Q1512
330
R1567
NJM13403V
IC1501
6
5
7
180K
R1565
NJM2904CRB1
IC1502
6
5
7
LRB751S
D1561
4.7K
R1501
330K
R1532
330K
R1566
2.2K
R1412
1SV308
D1411
560
R1420
560
R1411
LDTC143ZE
Q1413
0.1 C1425
100
R1421
100U
L1417
15P
C1418
LR-589
L1412
1
C1426
1000U
L1413
1
C1415
100U
L1418
1SV308
D1402
560
R1419
2SC3356L
Q1411
560
R1417
100U
L1411
1
C1416
1SV308
D1415
1
C1421
1SV308
D1416
LDTC143ZE
Q1412
2.2K
R1413
1SV308
D1401
1
C1419
100U
L1401
1
C1417
1
C1423
1
C1413
0.1
C1424
0.1
C1401
10
C1412
1SV308
D1412
560
R1401
1
C1414
100U
L1402
560
R1416
LR-589
L1415
68
R1415
1SV308
D1414
1SV308
D1413
10
R1414
1
C1420
100
R1418
0.1
C1402
22K
R1422
560
R1424
0.1
C1411
22K
R1423
470U
L1416
560
R1402
180
R1431
100U L1431
LDTC143ZE
Q1092
LDTA114EE
Q1093
0.1
C1091
LDTC143ZE
Q1091
L1SS400
D1091
LDTA114EE
Q1094
0.1
C1422
0.1
C1501
NJM13403V
IC1501
V+
4
GND
11
100 R1504
NJM2904CRB1
IC1502
V+
8
GND
4
100 R1505
0.1
C1502
0.01
C102
0.01 C103
270
R103
LDTC143ZE
Q101
L1SS400
D101
FTR-B4CA009Z
RL101
0.1
C1085
LDTC143ZE
Q1096
LDTA114EE
Q1095
LDTC143ZE
Q1097
LDTC143ZE
Q1098
LDTA114EE
Q1099
LDTA114EE
Q1110
J1431
0.1
C1431
0
R1432
0
R1433
L2SA1576AR
Q1521
100K
R1521
NJM2904CRB1
IC1502
2
3
1
3.3M
R1557
1.5K
R1558
1.8M
R1553
470K
R1556
68K
R1555
1.5M
R1554
0.001
C1553
L2SC4081
Q1571
100K
R1571
10K
R1575 0.1
C1571
NJM13403V
IC1501
9
10
8
100
R1574
180K
R1542
L1SS400 D1542
L1SS400
D1541
100
R1547
NJM13403V
IC1501
13
12
14
NTCG16
R1541
10K
R1545
L1SS400
D1543
18K
R1552
10K
R1522
2.2M
R1546
100K
R1543
100U
L1414
22K
R1091
22K
R1092
0.1
C1092
MPZ1608S601A
EP1311
J1311
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
MPZ1608S601A
EP1312
MMZ1005B601C
EP1313
100
R1311
0.001
C1311
100
R1312
0.001
C1312
27
R1313
22P
C1313
27
R1314
22P
C1314
100
R1315
0.001
C1315
27
R1316
22P
C1316
100
R1317
0.001
C1317
100
R1318
0.001
C1318
MMZ1005A152ET
EP1314
0.001
C1319
MMZ1005A152ET
EP1315
0.001
C1320
MMZ1005A152ET
EP1316
0.001
C1321
MMZ1005A152ET
EP1317
0.001
C1322
MMZ1005A152ET
EP1318
0.001
C1323
MMZ1005A152ET
EP1319
0.001
C1324
MMZ1005A152ET
EP1320
0.001
C1325
MMZ1005A152ET
EP1321
0.001
C1326
SN74AHC595PW
IC1301
1QB
2QC
3QD
4QE
5QF
6QG
7QH
8GND 9
QH'
10
SCLR
11
SCK
12
RCK
13
G
14
SI
15
QA
16
VCC
0.1
C1301
0.1
C1302
SN74AHC595PW
IC1302
1QB
2QC
3QD
4QE
5QF
6QG
7QH
8GND 9
QH'
10
SCLR
11
SCK
12
RCK
13
G
14
SI
15
QA
16
VCC
SN74AHC595PW
IC1303
1QB
2QC
3QD
4QE
5QF
6QG
7QH
8GND 9
QH'
10
SCLR
11
SCK
12
RCK
13
G
14
SI
15
QA
16
VCC
0.1
C1303
1
C1001
1
C1002
10K
R1001
10K
R1002
1SV308
D1001
1K
R1003
LDTC143ZE
Q1001
0.01
C1003
100
R1004
2.7K
R1047
2.7K
R1027
18K
R1052
22K
R1053
180
R1086
0
R1011
0
R1058
0
R1056
4.7M
R1503
LDTA114EE
Q1561
31.0N
L1241
31.0N
L1243
0.75U
L1242
200P C1243
9P
C1245
200P
C1247
15P
C1270
8P
C1272
47P
C1275
100P
C1277
39P
C1230
135N
L1224
0.1
C1222
135N
L1221
1SV308
D1221 135N
L1225
100U
L1226
0.1C1220
120
R1221
180
R1222
1SV308
D1222
56P
C1223
220P
C1224
75P
C1225
33P
C1227
56P
C1226 68P C1228
135N
L1222
0.22U
L1223
0.22U L1211
56P C1213
82P
C1215
0.15U
L1212
56P C1217 0.22U L1213
2.2
C1551
1
C1565
1SV308
D1214
75P
C1108
0.22U
L1106
0.22U
L1105
120P
C1107
75P
C1106
18P
C1229
3.9U
L1121
10U
L1122
3.9U
L1123
2.2U
L1131
6.8U
L1132
2.2U
L1133
1.0U
L1141
1.0U
L1143
3.9U
L1152
2.7U
L1162
2.2U
L1172
1.5U
L1182
1.0U
L1192
39K
R1544
RUM002N02
Q1563
820
R1568
0.0056
C1569
DZ2J033M0L
D1523
LRB751S
D1522
LRB751S
D1521
2.7K
R1502
470
R1524
220K
R1523
82K
R1573
270K
R1511
10K
R1563
82K
R1564
1.5M
R1560
100U
L1231
180P
C1292
82P
C1294
47P
C1295
97.0N L1291 97.0N L1292
84.0N
L1234
72.0N
L1233
20P
C1234
47P C1235
0.1
C1232
0.1
C1239
1K
R1243
1SV308
D1243
0.1
C1257
1K
R1244
68P C1233
39P
C1293
30P
C1291
100U
L1419
B0S
B1S
B2S
B3S
B4S
B5S
B6S
B7S
B12TXS
B11TXS
B12S
B11S
B10S
B9S
B8S
EALC
SKYS
DSHK
HATTS
HATOFSHATOF13
HPOF13
HPOF13
HPON13
HPON13
HPR8
HPR8
TXS
ALCL
EALC
ICCV
DRIV
POCV
IDL
REFLP
FORLP
MCK
DRESH
MSTB1
MDAT
HSENI
DSHK
SKYS
B7S
B6S
B5S
B4S
B3S
B2S
B1S
B0S
MDAT
DRESH
MSTB1
MCK
DRESH
MSTB1
MCK MSTB1
DRESH
MCK
B8S
B9S
B10S
B11S
B11TXS
B12S
B12TXS HATOFS
HATTS
AMS
HPR2S
HPR1S
HPOFS
NASBS
HPR1S
HPR1S
HPR2S
HPR2S
HPR2S
HPR1S
HPOFS
EALC
ALCL
REFLP
NASBS
IDL
ICCV
POCV
HAT13
TXS
DRIV
ALC
14V
14V
ALC
T5V
HSENI
3R3V
T5V
T5V
8V 8V
8V
8V
8V8V
5V
FORLP
AMS
TXRF
To the PA UNIT
To the PA UNIT
RXRF
15.00-21.99 MHz
22.00-29.99 MHz
54.01-69.99 MHz
70.00-74.80 MHz
50.00-54.00 MHz
(TX)
70.00-72.00 MHz
(TX)
8.00-9.99 MHz
2.00-2.99 MHz
6.50-7.99 MHz
0.03-1.59 MHz
10.00-14.99 MHz
3.00-4.49 MHz
4.50-6.49 MHz
1.60-1.99 MHz
[SEND]
[KEY]
[ALC]
ID-APC
To the MAIN UNIT
To the MAIN UNIT
SWR-APC
50.00-54.00 MHz
30.00-49.99 MHz
Q1513
RUM002N02
C1513
1
C1511
1
RF UNIT

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.
!4
TUNER UNIT (TUNER-1)
2SC4116
Q1611
R1202
2.2k
R1615
1k
R1614
10k
MMBD452LT1G
D1271
R1625
1k
R1612
10k
220P
C1102
CSA70
R1031
MMBD352LT1G
D1311
R1501
47
2SC4116
Q1621
30P
C1602
330P
C1506
R1351 47
R1272
2.2k
5P
C1301
MMBD352LT1G
D1312
R1341
10k
R1504
47
330P
C1202
R1613
10k
R1342
2.2k
330P
C1272
R1503
47
10P
C1601
MMBD452LT1G
D1201
R1301
10
0.1
C1271
R1264
220k
R1263
220k
47k
R1261
10P
C1101
DET_OUT
TUNER-2
NATT1S
0.01
C1361
0.01
C1261
0.01
C1263
0.01
C1262
0.1
C1611
0.1
C1505
0.1
C1351
0.1
C1341
0.01
C1251
150
R1402
150
R1411
150
R1421
150
R1422
150
R1412
150
R1401
120
R1431
120
R1441
120
R1451
100
R1432
100
R1442
100
R1452
330
R1461
330
R1471
270
R1481
J1001
LDAN222
D1341
D1261
LDAN222
0.1
C1011
NATT2S
J1042
L1311
LR-317
L1312
LR-317
EC2-9TNU
RL1021
EC2-9TNU
RL1011
LDAN222
D1011
NATT1R
NATT2R
0.1
C1013
0.1
C1014
0.1
C1012
LDAN222
D1021
0.1
C1021
0.1
C1023
0.1
C1024
0.1
C1022
AS080440
L1009
6.8k
R1252
0.1
C1701
R1611
220
R1701
100
3.3k
R1251
TSTB3
TOE
100
R1812
47P
C1811
0.1C1809
TSTB4
TCLK
100
R1813
0.1
C1802
47P
C1810
0.1C1807
47P
C1815
TDAT
100
R1814
0.1
C1801
0.001
C1816
47P
C1814
0.1C1808
TSTB1
100
R1815
100
R1810
MPZ1608S601A
EP1802
47P
C1812
0.1C1805
TSTB2
100
R1816
J1801
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
100
R1811
47P
C1813
0.1C1806
3R3V
14V
R1032
100k
100
R1011
100
R1021
100R1805
100R1806
100R1807
100R1808
100R1809
BA2903SFVM IC1701
V+
8
GND
4
BA2903SFVM
IC1701
2
3
1
BA2903SFVM
IC1701
6
5
7
MPZ1608S101A
EP1801
2355
MP1301
1 2 3 4
AS100340
L1001
1P
C1002
R1502
100
100
R1505
33P
C1504
10k R1364 2.2k R1365
0.1
C1365
R1362
150k
R1361
1k
LR-604
L1501
0.01
C1203
NJM2904CRB1
IC1901 V+
8
GND
4
100
R1901
330
R1902
330
R1903
0.1
C1901
0.01
C1507
180k
R1507 R1506
47k
LRB751S D1505 LRB751S D1506
15P
C1501
NJM2904CRB1
IC1901
2
3
1
NJM2904CRB1
IC1901
6
5
7
100k
R1203
NATT1R
NATT1S
NATT2S
NATT2R
NATT2S
IMPI
IMPI
PHASEI
IREFV
NATT1R NATT1S
NATT2R
SWRL_
SWRL
TPWRL
14V
14V
TPWRL_
3R3V
To the PA UNIT
IREFV
IREFV
NC
RFCNT(EXT)
14V
GND
TSTB3
GND
PHASEI
GND
CNTRS(EXT)
NC
TSTB2
TOE
SWRL
GND
14V
NC
GND
TCLK
IMPI
NC
GND
TDAT
TPWRL
3R3V
3R3V
14V
GND
TSTB4
To the MAIN UNIT
TSTB1

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.
!5
TUNER UNIT (TUNER-2)
TUNER-1
LA-462
L2051
LA-464
L2071
LR-542
L2081
LR-539
L2091
LA-460
L2031
LA-559
L2011
LA-461
L2041
LA-463
L2061
270P
C2171
LA-459
L2021
330P
C2172
DET_OUT
18P
C2112
18P
C2111
33P
C2122
39P
C2121
150P
C2141
150P
C2142
150P
C2151
150P
C2161
150P
C2162
56P
C2281
56P
C2282
LDAN222
D2311
LDAN222
D2321
LDAN222
D2331
LDAN222
D2341
LDAN222
D2351
LDAN222
D2361
LDAN222
D2371
LDAN222
D2381
LDAN222
D2391
LDAN222
D2551
LDAN222
D2411
LDAN222
D2421
LDAN222
D2431
LDAN222
D2441
LDAN222
D2451
LDAN222
D2461
LDAN222
D2471
LDAN222
D2481
LDAN222
D2491
LDAN222
D2561
LDAN222
D2581
EC2-9TNU
RL2011
EC2-9TNU
RL2021
EC2-9TNU
RL2031
EC2-9TNU
RL2041
EC2-9TNU
RL2051
EC2-9TNU
RL2061
EC2-9TNU
RL2071
EC2-9TNU
RL2081
EC2-9TNU
RL2091
EC2-9TNU
RL2111
EC2-9TNU
RL2121
EC2-9TNU
RL2131
EC2-9TNU
RL2141
EC2-9TNU
RL2151
EC2-9TNU
RL2161
EC2-9TNU
RL2171
EC2-9TNU
RL2181
EC2-9TNU
RL2191 EC2-9TNU
RL2281
EC2-9TNU
RL2261
EC2-9TNU
RL2251
0.1
C2444
0.1
C2451
0.1
C2373
0.1
C2453
0.1
C2454
0.1
C2384
0.1
C2463
0.1
C2381
0.1
C2383
0.1
C2312
0.1
C2461
0.1
C2311
0.1
C2464
0.1
C2394
0.1
C2314
0.1
C2391
0.1
C2471
0.1
C2393
0.1
C2324
0.1
C2553
0.1
C2321
0.1
C2473
0.1
C2323
0.1
C2474
0.1
C2554
0.1
C2334
0.1
C2481
0.1
C2551
0.1
C2331
0.1
C2333
0.1
C2483
0.1
C2484
0.1
C2413
0.1
C2414
0.1
C2344
0.1
C2491
0.1
C2341
0.1
C2421
0.1
C2343
0.1
C2493
0.1
C2494
0.1
C2423
0.1
C2424
0.1
C2354
0.1
C2561
0.1
C2351
0.1
C2353
0.1
C2431
0.1
C2563
0.1
C2433
0.1
C2364
0.1
C2434
0.1
C2581
0.1
C2361
0.1
C2363
0.1
C2441
0.1
C2583
0.1
C2584
0.1
C2374
0.1
C2443
0.1
C2371
0.0012
C2192
0.0012
C2191
68P C2132
82P
C2131
0.1
C2313
0.1
C2322
0.1
C2332
0.1
C2342
0.1
C2352
0.1
C2362
0.1
C2372
0.1
C2382
0.1
C2392
0.1
C2412
0.1
C2422
0.1
C2432
0.1
C2442
0.1
C2452
0.1
C2462
0.1
C2472
0.1
C2482
0.1
C2492
0.1
C2552
0.1
C2562
0.1
C2582
EC2-9TNU
RL2211
EC2-9TNU
RL2221
J2001 J2002
0.1C2521 0.1C2522
0.1C2524
LDAN222 D2521
0.1C2513
0.1C2511
0.1C2514
LDAN222 D2511
0.1
C2411
0.1
C2564
0.1C2512
14V
0.1
C2001
0.1
C2006
0.1C2523
100
R2311
100
R2321
100
R2331
100
R2341
100
R2351
100
R2361
100
R2371
100
R2381
100
R2391
100
R2581
100
R2561
100
R2491
100
R2481
100
R2471
100
R2461
100
R2451
100
R2441
100
R2431
100
R2421
100
R2411
100
R2551
100
R2511
100
R2521
BU2092FV
IC2811
1VSS
2DATA
3CLK
4LCK
5Q0
6Q1
7Q2
8Q3
9Q4
10 Q5 11
Q6
12
NC
13
NC
14
Q7
15
Q8
16
Q9
17
Q10
18
Q11
19
QE
20
VDD
0.1
C2811
BU2092FV
IC2821
1VSS
2DATA
3CLK
4LCK
5Q0
6Q1
7Q2
8Q3
9Q4
10 Q5 11
Q6
12
NC
13
NC
14
Q7
15
Q8
16
Q9
17
Q10
18
Q11
19
QE
20
VDD
0.1
C2821
BU2092FV
IC2831
1VSS
2DATA
3CLK
4LCK
5Q0
6Q1
7Q2
8Q3
9Q4
10 Q5 11
Q6
12
NC
13
NC
14
Q7
15
Q8
16
Q9
17
Q10
18
Q11
19
QE
20
VDD
0.1
C2831
BU2092FV
IC2841
1VSS
2DATA
3CLK
4LCK
5Q0
6Q1
7Q2
8Q3
9Q4
10 Q5 11
Q6
12
NC
13
NC
14
Q7
15
Q8
16
Q9
17
Q10
18
Q11
19
QE
20
VDD
0.1
C2841
47
R2813
47
R2812
47
R2811
47
R2821
47
R2822
47
R2823
47
R2831
47
R2832
47
R2833
47
R2843
47
R2842
47
R2841
3R3V
TCLK
TDAT
TSTB1
TSTB2
TSTB3
TSTB4
TOE
NATT1S
NATT1R
NATT2S
NATT2R
1200P
C2183
10k
R2814
AS080447
[ANT]
L2099
NC9R NC4R
NL1R NL1S NL2R NL2S NL3R NL3S NL4R NL4S NL5R NL5S NL6R
NL6S NL7R NL7S NL8R NL8S NL9R NL9S
NC1S NC1R NC2R NC2S NC3S NC3R NC4S NC5S NC5R NC6R NC6S NC7S NC7R NC8R NC8S NC9S
NCOUTR NCOUTS NCREDS NCREDR
NCINR NCINS
TCLK
TDAT
TSTB3
NL0S
NL0R
NL1S
NL1R
NL2S
NL2R
NL3S
NL3R
NL4S
NL4R
NL5S
NL5R NC2R
NC2S
NC1R
NC1S
NL9R
NL9S
NL8R
NL8S
NL6S
TDAT
TCLK
TSTB2
NL7S
NL6R
NL7R
NC3S
NC3R
NC4S
NC4R
NC5S
NC5R
NC6S
NC6R
NC7S
NC7R
NC8S
NC8R
TDAT
TCLK
TSTB4
NATT2R
NATT2S
NATT1R
NATT1S
NCREDR
NCREDS
NCOUTR
NCOUTS
NCINR
NCINS
NC9R
NC9S
TOETOETOE
TDAT
TCLK
TSTB1
TCLK
TDAT
TSTB1
TSTB2
TSTB3
TSTB4
TOE
NATT1S
NATT1R
NATT2S
NATT2R
TOE
3R3V
NL0S NL0R
W2001-W2002 62/99/135/C31/C31
GND float

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.
!6
PA UNIT (PA-1)
0.1
C102
F202
1205
12
RD15HVF1
Q121
KDS122
D101
KDS122
D102
J101
47K
R223
100K
R221
1K
R224
R222
82K
0.1
C107
0.1
C112
0.1
C111
0.1
C105
6.8K
R113
68
R104
2SK2854
Q101
0.1
C103
0.01
C202
0.001
C201
0.001
C206
0.01
C205
NTCG20
R351
6.8K
R107
0.01
C125
TJ50S06M3L
Q221
FHA010
F201
1
220U
L332
MPZ2012S601A
EP331
220UL331
MPZ2012S601A
EP332
DF30SC4M D202
0.01 C113
0.01
C104
0.1
C121
BA09FP
IC221
IO
G
0.33
C221
820
R105
820
R114
56
R111
RD01MUS2
Q111
P9V
T9V
J301
12
34
56
78
910
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
R141
22
0.68
R142
0.0068
C141
0.1
C133
MPZ2012S221A EP131
390P
C157
R144
22
0.1
C144
0.1 C135
0.0068
C142
6.8
R146
0.0068
C148
27
R140
100P
C154
0.1
C143
100
R131
LA-262
L306
RD70HVF1C
Q131
L134
LR-507
27
R145
LR-580
L132
22
R136
0.1
C145
FILI
RD70HVF1C
Q132
0.0068
C147
10
R147
330P
C156
22
R134
100P
C151
0.1
C146
0.68
R143
MPZ2012S221A EP132
10
R148
MDAT
DRESH
PSTB
MCK
3R3V
14V
100
R135
100
R137
0.001
C123
0.1
C122
56
R121
1K
R122
33U
L101
470
R108
33
R109
100U
L111
100U
L112
470
R115
0.1
C114
MPZ1608S221A
EP111
100 CE-LH C116 0.1 C115
100
R212
0.1 C212
INA199A2
IC211
1REF
2GND
3V+ 4
IN+
5
IN-
6
OUT
R211
0.001
MMZ1608Y102BT
EP121
Q222
RUM002N02
FORLP
REFLP
0.1
C351
270
R101
270
R103
18
R102
330P C131
MPZ1608S300AEP301
MPZ1608S101AEP302
LDTA114EE
Q342
100R303
100R302
0.001
C124
100R301
100R304
100R305
100R307
100R306
100R308
0.001
C161
0.001
C331
0.001
C332
0.001
C333
0.001
C306
0.001
C308
0.001
C310
0.001
C312
0.001
C314
0.001
C317
0.001
C315
0.001
C311
0.001
C309
0.001
C307
0.001
C305
0.001
C313
47P
C319
47P
C320 47P C318 0.1 C316
0.1 C304 0.1 C302 100P C301 100P C303
MMZ1005A152ETEP305
MMZ1005A152ETEP306
MMZ1005A152ETEP308
MMZ1005A152ETEP303
MMZ1005A152ETEP307
MMZ1005A152ETEP309
MMZ1005A152ETEP311
100P
C213
LDTC143ZE
Q341
100
R124
4.7K
R123
DZ2J180
D201
0.1
C204
0.1
C160
2.7K
R112
2.2K
R106
2.2K R138
2.2K
R139
470 CE-LX
C203
470 CE-LX
C207
470 CE-LX
C208
470 CE-LX
C106
470 CE-LX
C134
470 CE-LX
C162
22 F93
C223
0.01
C132
MMZ1005A152ETEP312
5P
C158
J331
1
2
3
4
56
1K R352
1K
R213
0.1 C214
LR-605
L133
1
2
3
4
5
LR-606
L131 1
2
3
4
5
6
4.7
R225
AS080440
L121
150
R125
L1SS400
D171
L1SS400
D172
0.1
C171
0.1
C172
LRB751S
D301
LRB751S
D302
HV
ESTA
ESTA
THML
THML
14V
14V
14V
EKEY
T9V T9V
POWS
DRIDV
DRIDV
REFLP
FORLP
TXS
TXS
HFID1V
HFID1V
HFID2V
P9V
P9V
IDL
IDL
IDL
ID1V ID2V
TX
To the RF UNIT
To the external tuner
DC-IN
MCK MDAT
PSTB DRESH
3R3V START
TXS THML
KEY HFID1V
DRIDV REFLP
HFID2V FORLP
PWRS IDL
PA-2
PA-2
PA-2
To the MAIN UNIT

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.
!7
PA UNIT (PA-2)
KDS122
D840
33P
C802
33P
C806
68P
C804
SN74AHC595PW
IC751
1
QB 2
QC 3
QD 4
QE 5
QF 6
QG 7
QH 8
GND
9QH'
10 SCLR
11 SCK
12 RCK
13 G
14 SI
15 QA
16 VCC
100U
L711
220P
C842
100U
L840
FTR-B4CA009Z
RL840 100U
L851
0.1
C750
330P
C846
FTR-B4CA009Z
RL841
LR-216
L842
82P
C857
0.1
C711
J961
0.12U
L801 L802
0.12U
56K
R989
HK3(HOLE)
CP982
10K
R986
33K
R990
HK3(HOLE)
CP981
47K
R988
10K
R981
47K
R982
56K
R983
330
R985
33K
R984
330
R991
10K
R992
15
R962
10K
R964
LR-532A
L961
15
R963
LRB751S
D961
2P
C961
LRB751S
D962
2P
C969
10K
R961
P9V
3R3V
MDAT
DRESH
PSTB
MCK
FILI
FORLP
REFLP
Q773
LDTC143ZE
0.01
C771
Q777
LDTC143ZE
0.01
C777
0.01
C775
Q775
LDTC143ZE
0.01
C785
0.01
C776
0.01
C786
Q776
LDTC143ZE
0.01
C781
Q772
LDTC143ZE
0.01
C787
0.01
C782
0.01
C774
Q774
LDTC143ZE
0.01
C772
0.01
C783
0.01
C784
0.01
C773
Q771
LDTC143ZE
NJM2904CRB1
IC981
2
3
1
NJM2904CRB1
IC981
6
5
7
NJM2904CRB1
IC981
V+
8
GND
4
0.1
C985
14V
REFLP
14V
T9V
PA-1
PA-1
KDS122
D801
FTR-B4CA009Z
RL801
Q778
LDTC143ZE
0.01
C779
100U
L803
1
C812
390
R813
0.01
C811
4.7K
R814
10K
R817
KTC2875
Q811
4.7K
R815
1.2K
R812
1.5K
R816
J801
1K
R811
L1SS400
D965
L1SS400
D966
0.1C807
0.1
C851
0.1C808
0.1
C841
75P
C970
75P
C963
0.1
C801
100U
L891
FTR-B4CA009Z
RL880
680P
C882
LR-295
L882
390P
C884
680P
C883
680P
C893
150P
C894
FTR-B4CA009Z
RL881
0.1
C891
82P
C889
680P
C890
100U
L880
68P
C899
680P
C896
0.1
C881
LR-294
L881
680P
C885
220P
C886
220P
C897
680P
C888
100U
L952
FTR-B4CA009Z
RL921
KDS122
D920
82P
C925
0.1
C921
0.1
C931
FTR-B4CA009Z
RL920 100U
L931
100U
L920
LR-214
L922
100U
L820
100U
L831
FTR-B4CA009Z
RL821
KDS122
D820
68P
C835
0.1
C821
0.1
C831
FTR-B4CA009Z
RL820
FTR-B4CA009Z
RL860
FTR-B4CA009Z
RL861
0.1
C871
100U
L860
LA-590
L862
100U
L871
0.1
C861
KDS122
D860
KDS122
D880
0.1
C951
100U
L951
56P
C954
FTR-B4CA009Z
RL941
FTR-B4CA009Z
RL940
100U
L940
KDS122
D940
56P
C945
0.1
C941
LR-293
L902
KDS122
D900
56P
C908
LR-293
L901
FTR-B4CA009Z
RL900
100U
L900
100P
C902
27P
C904
FTR-B4CA009Z
RL901
82P
C905
100P
C906
0.1
C911
LR-293
L903
100U
L911
0.1
C901
100U L981
12P
C863
33P
C877
33P
C868
LA-547
L863
56P
C828
39P
C944
100PC647 100P
C949
47P
C953
47P
C946
27P
C950
LR-396
L942
LR-229
L943
100P
C903
100P
C907
68P
C909
0.001
C983
0
R987
0.001
C986
5P
C962
5P
C971
18P
C862
12P
C875
LDTA123YET
Q781
LDTA123YET
Q783
LDTA123YET
Q784
LDTA123YET
Q785
LDTA123YET
Q786
LDTA123YET
Q787
LDTA123YET
Q782
2P
C972
0.0033
C966
39P
C864
27P
C876
27P
C866
33P
C869
6P
C865
39P
C824
10P
C826
22P
C825
82P
C827
12P
C833
LR-388
L823
LR-216
L921
270P
C923
150P
C934
180P
C933
270P
C922
68P
C858
LA-604
L861
LR-218
L841
270P
C843
150P
C844
120P
C855
150P
C856
330P
C929
270P
C924
330P
C928
330P
C926
270P
C927
220P
C849
150P
C850
BAR64
D811
BAR64
D812
LA-479
L822
L5S
L3S
L2S
L1S
L7S
L6S
L4S
L5S
L7
L1S
L4
L6S
L3
L7S
L1
L3S
L6
L5
L4S
L2S L2
L5
L6
L4
L1
L7
L3
L2
CLK
OE
DATA
STB
REF
FOR
RX
TX/RX
1.8MHz
3.5MHz/3.8MHz
24MHz/28MHz
4.63MHz/5MHz/7MHz
50MHz/70MHz
18MHz/21MHz
10MHz/14MHz
To the RF UNIT
To the TUNER UNIT
T9V
FORLP