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
GT24C128B
IC351
PIN
D1251
ATT
BAP70Q
DRESH
AAF
IREFV
BUFF
TC74VHC04FT
IC701
CR-1017
X301
RESET
NJU7704F3
IC371
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
L2SA1576
Q712
Q711 L2SC4081
AFO
ASQLS
HTRAS
BUFF
UMODS
LPF
MICI
SW11
NJU7704F3
IC361
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
TPCF8107
Q746
SW
Q747 RUE002N02
START
TC74VHC04
IC701
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
2
3
4
DC-DC
USB
HUB
PWRS
D/A
+3
REG
A/D
+3
REG
CI-V
I/F
L2SA1576
Q692
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
R2A20169SA
IC121
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
DRIVP
BUFF
NJM2904CRB1
IC125
DRIV
RZR040P01
SW
Q111
Q112 LDTC143
LDTC143
Q643
SW
VBUS
LDTA114
Q645
SW
LDTA114
Q644
SW
AFONS
+5V
REG
XC6209F502MR
IC961
LVDS
DRIVE
SN65LVDS1DBV
IC1212
BPF
XTAL
AMP
IC1221
SN74LVC1G04DCK
DRIV
+8V
REG
NJM7808DL1A
IC276
LDTC143
Q642
SW
+3
REG
IC1325
XC6209F332MR
+3
REG
IC1318
BA033FP
AGCV
+5V
REG
XC6209F502MR
IC1241
+3
REG
IC1321
XC6209F332MR
FTXS
LDTC143
Q1234
SW
Q1235 LDTA114
LDTC143
Q1231
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
TS462CPT
TC7W53FK
IC972
LDTC114
IC1002
IC992
TS462CPT
SCPCK/SCPR/SCPX/SCPSS
START/KEY
TCON/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
NJM2904CRB1
IC972
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
L2SC4081
Q971
AD5V
8V
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)
