Icom IC-F3061S Service Manual page 31

SECTION 11 BLOCK DIAGRAM
IC4
M62364FP LVIN
CPU5
DA8
IC21 X1 IC1
NJM2125F CR-826 LMX2352TM
REF 15.3MHz
AMP TCXO
BAL
Q18
PLST
2SC4116
SSO
X3
SCK
UNLK
X5
CDBC450CX24
Explanatory notes IC3
BPF
TA31136FN
COMMON LINE
FM IF IC
TX LINE
RX LINE
DATA LINE
VOLTAGE LINE
SQL DET RSSI NOIS
FRONT UNIT
IC501
DS510 LIGH Q507 : UNR9213J
S-812C30AMC
M4-0078TAY-2 Q508 : DTA114EU
LED SW
Q509 : DTB123EK
+3V
REG
LCD FSDA DS501-3 SML-A12MT
FSCL DS504-9 SML-310MT
D502/D503 : MA2S111
IC505
Q505 UMG2N
M62320FP Q514 UNR9113J
MCON PTTSW
PTTI
IC506 PTT
EXPAND
EPTT
M62320FP SW
EXPAND
KR0KS0 SPCON AFONO
KR1KS1
KR2KS2 AFON
KR3KS3 D505/D506 Q512
DAP222 UNR9213J
KR SP/ESP Q513 PWR VCC
10KEY SW UNR9213J
CTRL
MATRIX
Q501 : 2SB1132
Q502 : XP6501
D508 : DAN202U
AFONO
SP1
AF FSDA
+
AMP FSCL
-
IC508
TDA8547TS
IC509
NJM12904V
AF
AFO AF AF
AMP AMP
2403
IC508
TDA8547TS
1 VCC
CLONE 2 OPTV MDET
Cable 3
4 RES
EM-80 5 CLI
EM-89 6 CLO
HM-131 7 EMIC
8 EPTT
9
MP801
IC509
NJM12904V
JACK
MCIN
AMP
UNIT
PTTI
MC501
Q506 : UNR9113J
Q515 : 2SK3019
Q516 : UNR9213J
SKB-2746 LPC
MIC SW
PTTSW
Q17 2SC4116
RX VCO1
D13 MA2S111
Q1 : 2SC422
S5V RIPPLE D1/D2 : HVC376B
FIL
Q33
2SK880
D3/D4 1SV284
BUFF
LV RX VCO2
ADJ Q2 : 2SC4226
D7/D8 : HVC376B
PLL LOOP
IC FIL
Q32
2SK3019 D5/D6 1SV284
OUT1 RLVA TX VCO
LV LV Q3 : 2SC4226
OUT0 SW ADJ D11/D12 : HVC376B
TX : 272-348MHz D10
RX : 364.7-440.7MHz HVC375B
LV
TLVA
BPF
ADJ
D30 MA2S077
D9
D31 MA2S077
T5C 1SV239
Q24 UNR9213J
MOD
MOD
D35
DAN235E
N/W
AMP
Q25 SW
2SC4215
D-IF
D33 DAN235E
BUFF
Q26 UNR9113J
NWC2 Q38 NWC1
CERAMIC
FI2
N/W 2SC4116
BPF
SW R5V CFWC450G
D32 DAN235E
NWC2
CERAMIC
N/W
450KHz
BPF
SW
R5V
FI3
CDEC
CFWKA450KHFA
DET
DISC
AFOUT
IC13
CD4053B
EMPH De-
emph
IC9 NJM12902V
D41 MA2S111
AMP VOXV AMP
IC4
M62364FP
BEEP,BEPO
DA5
MIC
HPF
AMP
D42
DAP222
RMUT
MUTE
RMUTO
SW Digital
IC4
M62364FP
AF
DA6 MUTE
IC14 CD4053B
MCIN MCOT IC9 IC15
IC4
NJM12902V AN6123MS
M62364FP
ALC
AMP
BAL
AMP
DA4
EPTT
AFONO
VREF
PTTI Pre- IC4 Q45
PTTSW M62364FP 2SK3019
Emph
MOD
MDET
Digi/
IC13
DA3
CD4053B Ana
LRES
CLI
CLO
KR
EMPH
DASW
FSCL
FSDA
RES
11 - 1
6 RF UNIT
Q4 Q6 D14 1SV308 Q603
2SC5107 2SC4226 D15 MA2S077 2SC5110
TX/RX PRE
LO
BUFF
SW DRIVE
AMP
Q21/Q22 XP1214
Q23 UNR9213J
OUT1
VCO
SW R5V
Q5
2SC5107
X2 LPF
182.35-220.35MHz
FI1 D34
FL-401 DAN235E
XTAL N/W 46.35MHz
BPF SW
Q41
Q37
2SC4116 3SK324
Q27
UNR9113J
MUTE NWC1
SW
MAIN UNIT
R5V
XTAL
BPF
Q42
2SC4116 Q44
FI4
UNR9113J
FL-335
MUTE
+5V
DTMF
SW
PD
DTPD
Q28
NWC1
XP4601
DET
LPF AMP
D37
MA8051
Q35
UNR9213J MDWN MDIO
ANASW MSCK
EPTT UNLK PMFM
MD
SW MRDF DAST
EMPH PWON
X3
MTDT PLST
CR-765
MDIR DASW
IC5
AK2346
De- De-
Expand HPF LPF AMP
Emph Scram
Pre-
LIMIT
Comp Scram LPF
HPF
Emph AMP
PMFM DASW
IC13 IC14
CD4053B CD4053B
PM/FM Digi/
SW Ana
IC4
IC9 IC4 IC17
M62364FP NJM12902V M62364FP NJM12902V
TENC
DA2 AMP DA7 LPF
Q34
UNR9213J
CTCSS
/DTCS
IC17
SW
NJM12902V
SENC
LPF
PTTI PTTO
ISENS
D604/D605
Q604 XP6401 RB706F
Q605 2SC4081
HV PWR
ISENS
DET
Q602 Q601
RD01MUS1 RD07MVS1
PRE
PWR
LPF LPF
DRIVE
AMP
Q606
UNR9213J
IC601
TA75S01F MUTE TMUT
SW
APC
AMP
T2
Q11 2SK1829
RSSI D25 MA2S111
AGC
D26/D27 DA221
D28/D29 Q10 D23/D24 D22
HVC350B 3SK293 HVC375B MA2S077
RF
BPF BPF
AMP
T1 T2
T2 T1
IC20
IC18
M62334FP
SCK
HD64F2268TF
TLVA DSDA
D/A
RLVA
IC10 DDSO
BU8874F DDAC
DDST
DTMF
DEC
X4
CR-818
CDEC
CPU
MD1
SDEC
SENC
CENC0-2
TMUT BEEP
T5C ISENS
R5C BATV
S5C LVIN
NOIS RSSI
TEMP
POSW
MDET DATA
MTCK
AFVI SW RES
DASW
VOXV
IC22
IC14
CD4053B
RESET
CD4053B J2
DET D-IF IC8
Digi/ S-80942CNMC
DAFO
Ana
CCS
CIRQD
DSP
CSO
+5V OPTION
CSI
IC17
CCK
NJM12902V VCC
MODD
DMI
AMP
EXST
DMO SSO
DPDN IC24
SCK
VREF DRES CD4094B
EXOE
EXPAND
DISC
NWC1
NWC2
DUSE
DTPD
SCRM J1
MIC
MCOT BUSY
MMUT
SIG UT-109R
RMUT
CENCO-2 UT-110R
PTTI CCS
REM +5V
PTT0 CIRQA
OPT1 CSO
VCC
OPT2 CSI
AFONO
OPT3 CCK
BEPO OPV1(DASW)
DUSE OPV2(PMFM)
DISC OPV3(EMPH)
AFOUT
REM
ANTENNA
136-174MHz
D601/D603
1SV307
ANT
LPF
SW from Battery
VCC HV
Q30
+5V TPC6103
Q31
Q14 2SA1577 PWR UNR9213J
S5V SW
PWON
S5V
S5C
+5V CPU5
Q15 2SA1577
T5V
Q12 2SB1132 IC6
T5V
Q13 XP6501 NJM2870
ANT
Q46 UNR9213J
SW
IC9
T5C
NJM12902V
Q16 2SA1577
R5V
VREF
R5V
CPU5V
R5C VREF
IC19
ESCL 24LC512T
ESDA
EEPROM
CSFT
+5V
DS701
CL-165HR
RLED
TLED LED
SW
Q701 : XP1214
R704
POSW
AFVI
TP76NOON
PWR PWRSW
CTRL
S701
D36
TP70TF5163
DAN202U
CBI0 1 2
A1 C1
CBI1 3
B1
CBI2 4 5
A2 C2
CBI3 6
B2
7 8
A3 C3
9
B3
EMER
SIDE1
SIDE2
SIDE3
VR
UNIT
PTTSW