Block diagram – Icom IC-M802 User Manual
Page 67
9 - 1
SECTION 9
BLOCK DIAGRAM
TX
RX
COMMON
Bus line
[USA],[CAN]
only
[USA],[CAN]
only
1.8V
REG
3.3V
REG
+5
REG
IC152
TK11218CM
IC-161
BA033FP
IC171
TK11250CM
8V
5V
3.3V
1.8V
DIFF
CONV
DIFF
CONV
A/D
A/D
DIFF
CONV
IC601
BA15532F
DIFF
CONV
LATCH
IC406
SN74AHC74PW
IC404
SN74AHCT374PW
LATCH
IC405
BU4021BF
PARA
-SERI
IC401
SN74AHC595PW
SERI
-PARA
ROM
IC201
M29W102BB-70N1
BUFF
OUT1-8
D/A
D/A
TIMING
X1
CR-566
12.288 MHz
BUFF
IC102
BU9480F
D/A
BUFF
D/A
AGC1
AGC2
AGC
AMP
IC1101
TS522ID
AGC
AMP
IC1101
TS522ID
fc=98 kHz
LPF
BUFF
IC701A
µ
PC4570G2
fc=98 kHz
BUFF
LPF
IC701B
µ
PC4570G2
RX
DSPI2
DSPI1
60 MHz
TX
LPF
IF
AMP
RX
IC1002
TS522ID
LPF
IC501
TA4107F
IF
AMP
Q501
3SK131
LIMIT
AMP
IC1051
TS522ID
EXT MOD
GATE
IC2001
BU4053BCFV
EMOD
EMS
EXT
MOD
IC2001
BU4053BCFV
EXT MOD
GATE
MMOD
NBDP
MOD
NMS
AGC1
CERAMIC
BPF
BW=6 kHz
IF
AMP
CERAMIC
BPF
455 kHz
BW=6 kHz
FI401
CFWM455H
Q401
3SK131
IF
AMP
Q801
3SK131
LPF
D302
HSB88WS
XTAL
BPF
XTAL
BPF
64.455 MHz
BW=15 kHz
FI301B
FI301A
FI-315
IF
AMP
BPF
64.455 MHz
BW=15 kHz
Q201,Q202
2SK2171
LPF
FI201
FL-345
33 MHz
RF
AMP
Q701
3SK131
LPF
LPF
BPF
0.5-2 MHz
BPF
2-3 MHz
BPF
3-5 MHz
BPF
5-7 MHz
BPF
7-10 MHz
BPF
10-14 MHz
BPF
14-18 MHz
BPF
18-24 MHz
ATT
Q702,Q703
3SK131
ATT
2LO
IC901
TA4107F
LPF
100MHz
Q601
2SC4673
LO
AMP
1LO
LPF
3LO
12 kHz
LPF
AF
AMP
IC1702
TS522ID
R13V
REG
IC1303
TD62783AF
IC1502
TA78M08F
+8
REG
IC1551
µ
PC1555G2
D1552 RB706F-40
D1551 MA8051
-5
DC-DC
Q1501
2SD1619
T8
REG
Q1502
2SD1619
R8
REG
IC1501
TA78L05F
+5
REG
TXS
RXS
S13V
Q1204 2SA1586
Q1205 2SC4213
ADJ
SW
AJLC
Q1203
2SA1586
FALC
AM
EXT
ALC
I/F
AM
[OTH] only
ALC
CTRL
IC1201
NJM3403AV
ALC
AMP
IC1201
NJM3403AV
ALC
AMP
IC1201
NJM3403AV
ALC
AMP
ICA
REF
FOR
BUFF
IC1302
TD62783AF
24-30 MHz
IC3604
BU4094BCF
BCD
TO
DECI
HPF
1.6 MHz
LPF
ATT
YGR
AMP
IC1
µ
PC2709T
ATT
AMP
AMP
AMP
AMP
ATT
LPF
BIAS
PP
BIAS
P
BIAS
P
BIAS
F
LPF
0.5-2 MHz
LPF
2-3 MHz
LPF
3-5 MHz
LPF
5-7 MHz
LPF
7-10 MHz
LPF
10-14 MHz
LPF
14-20 MHz
LPF
20-30 MHz
LPF
30 MHz
PWR
DET
D7271
1SS322
D7272
1SS322
FOR
REF
L0
L1
L2
L3
L4
L5
L6
L7
TEMP
DET
Q6501 2SD1664
IC6501 TS522ID
FUN
CTRL
Q6101
2SK2973
Q6801
PD55003
Q6851
PD55015
Q6401,
Q6402
SD1487
×
2
BIASPP
BIASP
BIASD
BIASE
PAT8
T8
REG
PA8V
APC
CTRL
IC
DET
+8
REG
IC6601
TAZ808F
IC6501
TS522ID
ICA
13.6
D6601
DF40SC4
Q6601 2SA1037AK
Q6602 DTC114EU
SW
RL6701
AJS1311
HV13
S13V
GND
HV
+
-
DSP01
DSP02
IC1201
NJM3403AV
METER
AMP
IC1601
LA4425A
PWR
AMP
AF
MUTE
IC1602
TC4W53FU
VCA
AF
AMP
IC1603
M5282FP
GATE
MOD
IC2001
BU4053BCFV
MMS
MMOD
AFO
AFG
ABWS
13V
SPEAKER
EX-2431
BUFF
NBDP
I/F
BUFF
EXT.AF
DSC AF
NBDP.AF
SQL
GATE
IC1701 TC4W53FU
IC5081
ADM202EARN
232C
RS-232C
DTRM
RXPC
PHOTO
CPL
IC5082
TC7W08F
NMEA
I/F
I/F
IC5084 PS2701-1
NMEA
NMEA2
I/F
IC5082
TC7W08F
GPS
NMEA
BPF
FI231B
BW=15 kHz
FI231A
BW=15 kHz
BPF
D2301
HSB88WS
10.
RF
AMP
Q2301,Q2302
2SK2171
FL-231
Q2401
3SK131
IF
AMP
IF
AMP
Q2501
3SK131
BPF
2,4,6M
BPF
8M
BPF
12M
BPF
16M
DET
MUTE
Q2102
2SC4116
IC2701
TA4107F
AMP
IC2702
TS522ID
LPF
DAGC
IC3302
S-80942CNMC-G9C
IC3101
TA78L05F
RESET
CTRL
+5
REG
MATRIX
SLFP
UNLK
IC3601
BU4094BCF
RAM
BACK
UP
LATCH
CTRL
ACML
S13V
LPF
BEEP
SQLC
BUFF
Q1801
2SD1619
SW
CSEND
IC1303
TD62783AF
IC3603
BU4094BCF
BCD
TO
DECI
ACC SEND
ASEN
NMRS
VSQL
X3301
CR-636A
14.7456 MHz
EEPROM
STRT
KEY
GND
13.6
ANT
TUNER
Q3004
2SC4116
CWKEY
I/F
CWKYIN
TX
BUFF
BCD TO
DECI
D/A
IC3606
M62354GP
BCD TO
DECI
BUFF
IC1303
TD62783AF
IC3605
BU4094BCF
LPF
BUFF
LO
AMP
D/A
DDS
DDS
D/A
LPF
IC5901
SC-1287
IC5801
SC-1287
Q5882
2SC4215
D2LO
D1LO
BPF
64.455-94.455 MHz
BUFF
Q5603
2SC4215
Q5881
[USA], [CAN] only
2SC4673
LO
AMP
Q5602
2SC4215
BUFF
Q5601
2SC4215
Q5521 2SK508
D5521 KV1770S
L5523 E544GN-110248
LO
AMP
Q5604
2SC4215
LOOP
FIL
PD
1/M
1/N
IC5401
PLL IC
LMX2306TM
BUFF
Q5302
DDS IC
2SC4116
Q5301 2SK210
D5301 MA338
LOOP
FIL
PD
LPF
AMP
Q5351
2SC4215
DDS
IC5101
SC-1246A
BPF
D/A
IC5102
TC7SU04F
AMP
SFECV10.5MA5S
10.5 MHz
BW=230 kHz
FI5101
UNLK
AMP
IC5103
TC7SU04F
BPF
X2
Q5202
2SC4215
64MHz
64MHz
M1LO
M2LO
BUFF
Q5281
2SC4215
HV13
ATT
LPF
D/A
DDS
AMP
IC5702
TC7SU04F
IC5701
SC-1287
X5251
[USA], [CAN]
only
[OTH] only
CR-604
32.000 MHz
X5281
CR-338
Q5282
2SC42150
32.00056 MHz
M3LO
+5
REG
+8
REG
IC5001
TA7805F
IC5031
TA7808F
5V
8VL
S13V
PWRS
TEMP
FANS
POCV
PLL UNIT
IC3303
M30624FGAFP [USA],[CAN]
M30620FCAFP [OTH]
CPU
PLL UNIT
FILTER BOARD
PA UNIT
MAIN UNIT
IC301
TMS320VC33PGEA120
DSP
DSP BOARD
PLUG
DET
GATE
CTRL
J8701
IC8260
TC74HC4066AF
PLUG
DET
J8702
CLONE
I/F
IC8250
TC7W04F
PHONE
/CLONE
AF 1
DIM
CTRL
IC8280
NJM2904M
IC8240
HD66421TBO
DRIVER
DS8220
HLC7700-018800
LCD
X8211
CR-636A
14.7456 MHz
FPTT
M1AD
M2AD
SMUT
IC8270
TA7368F
PWR
AMP
RESET
CTRL
TENKEY
SW
SELECT
SW
IC8202
S-80942CNMC-G9C
DIAL1
DIAL2
VOL
POWER SW
AF
AMP
IC8280
NJM2904M
MMOD
M1AD
MIC
MIC
DSEL
IC8201
HD64F2134AFA20
CPU
PHSM
M3AD
RC-25(Controller)
IC651
BA15532F
IC651
BA15532F
IC601
BA15532F
IC501
AK4528VF
TRX
DSC
IC1
TC7WHU04FU
DSC
TRX
Q203
3SK131
8V
R13V
-5V
T8
R8
5V
RFML
12 kHz
HV13
H5V
NSEN
NBDP
SENB
AFMS
PWRK
PMUT
1
2
+10
REG
IC8301
AN8010M
+5
REG
IC8290
TA7805F
H13V
10V
5V
RX
TX
TRXS
IC1301
TD62783AF
IC3602
BU4094BCF
VC1S
MONI/SIDETONE
FAF
FI402
CFWS455HT
Q6403
2SD1585K
7 MHz