Icom IC-FR3000 Service Manual page 58

SECTION 10 BLOCK DIAGRAM
VCC2
M9V
L9V
REG
A5V
UNIT
REGTEMP
PSD
M9C
from JACK2 UNIT
from IC40
PROG
ANI CLR
CH UP
CH DN
to CPU
MONI
RPT/BASE
SP MUTE
REMOTE
DS1 Q17: DTC144EE
Q18: XP1114
DC
Q19: XP1114
Q20: XP1114
Q24: 2SJ377
DS2
PROG
LED
CTRL
DS3
TX
DS4
BUSY
DS5
BASE
DS6
REMOTE
DS7: MSC-C161UYLY-4W
LCD from CPU
FRONT UNIT
NC
1
L1
2
L2 L1
3
NC
4
L2
TEL LINE
CONNECTOR
CP28
M MONI
1
M PTT
2
Q4, Q6, Q25: 2SC4081
3
Q5: 2SA1576
L9V
4
D7: MA2S111
5
6
CLONE
7 CLONE
8
MIC
SP/MIC
CONNECTOR SPR
from JACK1 UNIT
INT SP
SPR
CHASSIS UNIT
IC13: BU4066BCFV
IC1: NJM2902V
IC1D MIC MUTE
from FRONT UNIT
MIC
AF
SW-D
AMP
IC2D
MICMUTE1
IC1C MIC
E MOD1 AF MIX
SW-C
AMP
MICMUTE2
IC1A
TELAFO
AF
SW-B
AMP
TELMUTE1
IC1B
CP3
AF
SW-A
AMP
E MOD2
MICMUTE3
CP4
MICI
J7, J8
OPTION
DISCO SLOT12
OPT1, OPT3
from IC41
AFOUT
IC29: FX805LG
IC9C: NJM2902V
CP1
DISC
CTCSS
BUFF
DET
from RX UNIT
IC8: NJM2902V
IC8A–C IC8D
CTCSS
AMP
FIL
from IC39 IC12A, C
IC12D
DTCSI
DTCS
AMP
FIL
IC12B IC12: NJM2902V
25T 25TI
FIL
IC31: LC7387M
IC30: TC4W53FU
DTMF DTMF
DTSTD,DTACK,DTMFD
SW DECODE
X1: CR-733
DTSEL2
4.194304 MHz
from CPU
TELAFO
to IC1A
Q38: XP1214
D4: D1UBA80
RL1: ATX209
RL2: ATX209
D28: 1SS355
BRIDGE
D29: 1SS355 IC46: BA6566F
IC50: TC4W53FU
HOOK SPEACH
SW NET
D5: D1UBA80
HOOKC
TELAFI
from CPU
BRIDGE
IC51: NJNM2107F
AF
AMP
D1: PTZ36B
IC48: TLP121
RXDT1,TXDT1
I/F
RING
RINGER
to CPU
IC38: S-812C50AMC
Q45: 2SA1362
D13: SB07-03C
IC11: TA78L05F
L9V TEL5V L9V C5V
+5V
C5V
REG
10 - 1
IC2: NJM2902V
IC3: NJM2902V
IC2C IC2A, B IC3A IC3B
CP2
PRE- SIG
HPF
LIMIT
EMP MIX
IC14 TC4S66F
IC26: NJM2904V
AFATTO RPT
AF
MICO
MUTE
R/BSW
from IC41
CP8
CP5 CP6 CP9
SIGOUT
IC3C, D
TX-
SIG IC52: NJM2520V
FIL
AF
MUTE
25TDTMFO, MBEEP, CWO, DTMFO
from CPU
AFMUTE2
from IC40
IC6: NJM2107F
AFATTI
AF
to IC25
AMP
IC10: NJM2902V
IC9: NJM2902V
IC9D, B IC9A IC10A, B IC10C
DE- AF
HPF LPF
EMP AMP
CIRQ,CCS,SDTI,SCK,SDTO
IC7B
AF
AF OUT
AMP
CP10 CP11
CP12 CP13
to CPU
IC7C
AF AFOUT1
AMP
IC7: NJM2902V
to CPU
IC7A
AF DISCOUT
AMP
BASEL
RMTL
BUSYL
IC39: BU4094BCFV
TXL
DCL
PROGL PORT
D5C EXPAND
AFMUTE1, 2
MICMUTE1~3 IC40: BU4094BCFV
TELMUTE1, 2
TELBMR PORT
EXPAND
R/BSW
W/NS
R9C IC41: BU4094BCFV
OPT1, 3
IC47: LC73701M
M9C PORT
TELBUSY
EXPAND
to CPU
DTMF I/F
DIALER
SW
SCK, SDTO, TELSTB
DTSEL1 TELBMR
from CPU from IC40
IC45: LM567CM
IC53: TC4W53FU
TOUCH
ONHOOK REGTEMP
TLV
TONE
to CPU T/RLV from REG UNIT
DECODE from TX UNIT
RLV SW
PATEMP
from TX UNIT
from RX UNIT
NOTE :
: DATA BUS
Q48: IMZ4T108
: CONTROL LINE
D43: MA2S111
: CONTROLS LINE
L9V L5V
L5V
: COMMON LINE
: TX LINE
: RX LINE
IC4D IC4: NJM2902V
Q1: XP1214
TX-
CTDTO
TONE
from CPU FIL
IC4A, B, C
SPLAT
FIL
IC25: M62364FP
IC26A SCK, SDTO, DA2STB
RX REF
FREQ
AF E DTCS
A5V
ADJ.
AMP
from JACK2 UNIT
A5V
IC26B RX BPF
TUNE
AF E MOD3
AMP
from JACK2 UNIT
RPT
AFATTI AFATTO
AF
ADJ.
RPT
SQL
ADJ.
IC20:
IC21: TC4W53FU
TC4W53FU
R/B R/B
DISC
SQLI SQLO
from RX UNIT
SW SW
R2
BASEL BASEL
from IC39 from IC39
SQL
KBEEP
IC16:
from CPU
TC4W53FU
R1
AFVRI
AFVRO
AF
MUTE
VOL
Q37:
AFMUTE1
DTC144EE
VR
IC7D
from IC40
AF AF TELAFI
AMP MUTE UNIT
IC42, IC43: TLP121 GB
D23–D26: MA2S111
Q44: DTA144EE
TELMUTE2
E MOD1
from IC40
AFOUT1
BUSYL
IC34: S-80842CLUA-B363
IC35: BU4011BFV
IC36: BU4011BFV
Q3: DTC144EE
INT, RES
RESET
BUSYL,TXL
IC37: HN58X2464TI
from IC39
EEPROM
MCK, MDT
D0, D1 ,
D2, D3, D4
SCK, SDTO, PE1STB
E PT1, E PT2
CPU Q7: XP1214
MONI, R/B, M/SI
Q8–Q11: XP1111
Q49,Q50: XP4311
IC33: HD64F2238FA13
D10,D11: MA2S111
SCK, SDTO, PE2STB
COAXSW, M/SO
SCK, SDTO, PE3STB
Q26~Q29: XP4311
D19~D22: MA2S111
RXDT0, TXDT0
T/RLV
RTS, CTS
TEMP
IC32: TC4W53FU
TEMP
D14
SW
MA2S077
SHIFT
SW
SW
from CPU
X2
CR-681
12.288 MHz
SHIFT
from CPU
LOGIC UNIT
SCK,SDTO,DA1STB,TPLSTB
TLV
TUNLK
PATEMP
TX
FWSWR
RVSWR
UNIT
I TONE
TXAF
E TONE
TMUTE1, TMUTE2, W/NS
M9V
RVCON
TUNE
M9V
RLV
RUNLK
RX
RSSI
UNIT
DISC
SQL
NDET
R9C, W/NS
SCK, SDTO, RPLSTB
IC17:
LA4425A SPR
SP
AF
AMP
EXT SP JACK
JACK1
UNIT
+ – EXTMOD
1
2
+ – AFOUT
3
I/F
4
+ – PTT
5
6
+ – BUSY
7
8
8P MODULER
CONNECTOR
E PT1
+15V
JACK2
D0
D1 UNIT
CP26
I/F
D2 CP24
D3 CP22
D4 1
CP20
14
M/SI, E PT2,
2
E MONI, E R/B
15
3
BUSYOUT, TXOUT,
16
COAXSW, M/SO 4
17
5
18
6
CTS 19
CP25
7
RTS CP23 20
I/F 8
DTO
CP21 21
9
DTI CP19 22
10
23
E MOD2
11
24
E MOD3 12
25
E DTCS
13
RSSI
D-SUB 25PIN
AF OUT CONNECTOR
DISCOUT