Block Diagram - Icom IC-M802 Service Manual

SECTION 9

BLOCK DIAGRAM

IC152 IC-161 IC171
TK11218CM BA033FP TK11250CM
8V
1.8V 3.3V +5
REG REG REG RX
1.8V 3.3V 5V
IC651
BA15532F
DSPI1
DIFF
CONV TX
IC651
BA15532F
IC601
BA15532F
DIFF
CONV DSPI2
DIFF
IC501 CONV
AK4528VF
TRX DSC
IC601
BA15532F
DIFF
A/D A/D
CONV
BUFF
IC201
M29W102BB-70N1
ROM
IC406
SN74AHC74PW
DSP
LATCH
IC401
SN74AHC595PW
IC301
TMS320VC33PGEA120
SERI
-PARA
IC405
IC404
BU4021BF
SN74AHCT374PW
PARA
LATCH
-SERI
IC102
BU9480F
IC1
TC7WHU04FU
D/A BUFF
D/A D/A TIMING
DSC TRX
X1 D/A BUFF
CR-566
12.288 MHz
fc=98 kHz
LPF BUFF
IC701A
µPC4570G2
fc=98 kHz
LPF BUFF
IC701B
DSP BOARD
µPC4570G2
IC2001
BU4053BCFV
EMOD
EXT EXT MOD
EMS
MOD GATE
IC2001
BU4053BCFV
MMOD
NBDP EXT MOD
NMS
MOD GATE
IC1601
IC1602
LA4425A
TC4W53FU
AFO
PWR AF
AMP MUTE
SPEAKER
ABWS
EX-2431
13V
EXT.AF
[USA],[CAN]
only
DSC AF BUFF
DTRM RXPC
NBDP
NBDP.AF BUFF
I/F
IC5081
PLL UNIT
ADM202EARN
RS-232C 232C
NMRS
IC5082
I/F TC7W08F
PHOTO NMEA
CPL I/F
NMEA IC5084 PS2701-1
[USA],[CAN]
IC5082
only
TC7W08F
GPS NMEA2
NMEA I/F
STRT
KEY
GND
13.6
ANT
TUNER Q3004
2SC4116
CWKYIN
CWKEY
I/F
IC1002 Q501
455 kHz
TS522ID 3SK131
IC501
BW=6 kHz BW=6 kHz
TA4107F
IF IF CERAMIC IF CERAMIC
LPF
AMP AMP BPF AMP BPF
FI402 Q401 FI401
AGC1 CFWS455HT 3SK131 CFWM455H
IC1051
TS522ID
Q801
3SK131
IC901
LIMIT
LPF TA4107F
AMP
IF
AMP
60 MHz 3LO
IC1303 Q1501
TD62783AF 2SD1619
R13V
T8
R13V T8
REG REG
Q1502
IC1502
2SD1619
TA78M08F
R8
R8
8V
+8 REG
REG
IC1501
OUT1-8 IC1551 µPC1555G2 TA78L05F
D1552 RB706F-40
5V
+5
D1551 MA8051
REG
-5V -5
DC-DC
IC1101
IC3606
TS522ID
M62354GP
AGC1 AGC
AMP
D/A
IC1101
TS522ID
AGC2 AGC
AMP
TX
DSP01
RX
AF
LPF
AMP
IC1702
TS522ID
DSP02 MONI/SIDETONE IC1701 TC4W53FU
SQL
NBDP
GATE
SENB
NSEN
SQLC
BEEP
LPF
Q1801
2SD1619
IC2001
BU4053BCFV
ACC SEND ASEN
MMOD SW
GATE
MMS
MOD
IC1303 IC3603
IC1603 AFG
TD62783AF BU4094BCF
M5282FP
BCD
CSEND
BUFF TO
DECI
AF
VCA
AMP
AFMS
FAF PWR IC8260
AMP TC74HC4066AF
PLUG GATE
AF 1
IC8270
DET CTRL
TA7368F
J8701
IC8250
TC7W04F
1
IC8280 PHONE PLUG CLONE
NJM2904M /CLONE DET I/F
2
MMOD AF MIC J8702
MIC
AMP
PMUT
IC8280
M1AD NJM2904M
DIM
CTRL
IC8301
AN8010M
X8211
+10 CR-636A
10V
REG 14.7456 MHz
IC8290 DS8220 IC8240
TA7805F HLC7700-018800 HD66421TBO
+5 H13V
5V LCD DRIVER
REG
FPTT
M1AD
M2AD
SMUT
RC-25(Controller)
9 - 1
64.455 MHz 64.455 MHz
D302 Q201,Q202
BW=15 kHz BW=15 kHz
HSB88WS 2SK2171
XTAL XTAL IF
LPF BPF
BPF BPF AMP
FI301B FI301A Q203 FI201
3SK131 FL-345
FI-315
Q701
2LO
3SK131
Q702,Q703
ATT 3SK131
RF
ATT LPF
AMP
Q601
2SC4673
100MHz
LO 1LO
LPF
AMP
IC1201
Q1204 2SA1586
NJM3403AV
Q1205 2SC4213
AJLC ADJ ALC ICA
TXS SW AMP
Q1203 IC1201
2SA1586 NJM3403AV
EXT
FALC REF
ALC
RXS
ALC
AMP
I/F
IC1201
NJM3403AV
S13V
ALC FOR
AMP
IC1201
NJM3403AV
RFML
METER
AMP
POCV
12 kHz
ACML S13V
IC3302 IC3101
S-80942CNMC-G9C TA78L05F
RESET H5V +5 HV13
CTRL REG
MATRIX
CPU
SLFP
IC3303
M30624FGAFP [USA],[CAN]
UNLK
M30620FCAFP [OTH]
BACK
RAM
UP
IC3601
BU4094BCF
LATCH
X3301
CTRL
CR-636A
14.7456 MHz
VSQL
EEPROM
M3AD
POWER SW
PWRK
PHSM
VOL
DIAL1
CPU
DIAL2
IC8201
DSEL
HD64F2134AFA20
RESET TENKEY SELECT
CTRL SW SW
IC8202
S-80942CNMC-G9C
LPF LPF HPF
0.5-2 MHz IC1
33 MHz
µPC2709T
1.6 MHz
BPF
YGR
ATT LPF ATT
2-3 MHz
AMP
LPF BPF
3-5 MHz
PA UNIT
Q6101 Q6801
BPF
2SK2973 PD55003
5-7 MHz
ATT LPF AMP AMP
BPF
BIASPP BIASP
7-10 MHz
BPF TEMP BIAS BIAS
DET PP P
10-14 MHz
Q6501 2SD1664
BPF
IC6501 TS522ID
14-18 MHz
FUN
CTRL
BPF
ICA
18-24 MHz
BPF
Q6601 2SA1037AK IC6601
Q6602 DTC114EU TAZ808F
24-30 MHz
PA8V
T8
REG
RL6701
[OTH] only
IC1302 AJS1311
BUFF
TD62783AF
S13V HV13
SW
AM
ALC
GND
CTRL
IC3604 BCD
BU4094BCF TO
DECI
AM
FANS
PWRS
TEMP
IC2702 Q2501 Q2401
FI231B FI231A
IC2701
TS522ID 3SK131 3SK131
BW=15 kHz BW=15 kHz
TA4107F
IF IF 10. 7 MHz
LPF AMP BPF BPF
AMP AMP
DAGC FL-231
Q5882 Q5881
IC5901 IC5801
2SC4215 2SC4673
SC-1287 SC-1287
LO
LPF D/A DDS DDS D/A LPF BUFF
AMP
Q5603 Q5602 Q5601
Q5521 2SK508
2SC4215 2SC4215 2SC4215
D5521 KV1770S
64.455-94.455 MHz
L5523 E544GN-110248
M1LO LO
BPF BUFF BUFF
AMP
Q5202
2SC4215
M2LO 64MHz
BPF X2
Q5281
HV13
2SC4215
UNLK
BUFF
Q5282
2SC42150
X5251
CR-604
32.000 MHz
X5281
CR-338
IC5103
32.00056 MHz
TC7SU04F
IC5001 [USA], [CAN]
only [OTH] only
TA7805F
AMP
S13V
+5
5V
REG
IC5031
TA7808F
+8
8VL
REG
IC5702
IC5701
TC7SU04F
SC-1287
M3LO
ATT LPF D/A DDS AMP
MAIN UNIT FILTER BOARD
D7271
1SS322
30 MHz
D7272
RX 1SS322
LPF
PWR
DET
TRXS
TX FOR
REF
LPF L0
0.5-2 MHz
Q6401,
Q6851 Q6402 LPF L1
SD1487 × 2
PD55015
2-3 MHz
AMP AMP
LPF L2
BIASD BIASE 3-5 MHz
Q6403
2SD1585K
LPF L3
BIAS BIAS
P F 5-7 MHz
PAT8 LPF L4
7-10 MHz
IC6501
LPF L5
TS522ID 13.6
APC IC 10-14 MHz
CTRL DET
LPF L6
D6601
DF40SC4
14-20 MHz
+8
LPF L7
REG
20-30 MHz
HV
+
IC1301
BUFF
TD62783AF
-
IC3602 BCD TO
BU4094BCF DECI
IC3605 IC1303
BU4094BCF TD62783AF
BCD TO
BUFF
DECI
Q2301,Q2302
D2301
2SK2171
2,4,6M
HSB88WS
RF
BPF
AMP
8M
BPF
12M DET
MUTE
BPF
Q2102
2SC4116
16M
BPF
PLL UNIT
[USA], [CAN] only
IC5401
LMX2306TM
PLL IC
LOOP
PD 1/M
FIL
Q5604
VC1S
2SC4215
LO
1/N
AMP
Q5302
Q5301 2SK210
2SC4116
D5301 MA338
LOOP
BUFF
FIL
DDS IC
Q5351
2SC4215
DDS PD LPF AMP
IC5101
SC-1246A
IC5102
SFECV10.5MA5S
TC7SU04F
10.5 MHz
TX
D/A BPF AMP
RX
BW=230 kHz
FI5101
COMMON
Bus line