Block Diagram - Icom IC-F4160 Service Manual

SECTION 11

BLOCK DIAGRAM

IC4
M62364FP LVIN
CPU5 DA8
IC21 X1 IC1
NJM2904V CR-826 LMX2352TM
REF 15.3MHz
TCXO PLL
AM P
BAL IC
Explanatory notes
Q18
CONTROL LINE
X3 2SC4116
PLST
COMMON LINE
SSO
SCK
TX LINE
RX LINE
UNLK
X5
CDBC450CX24
DATA LINE
BPF
IC3
TA31136FN
Q52
2SK3019
(MAIN-A UNIT)
SQL N/W
SW
NWC2
1 SQL DET RSSI NOIS
(MAIN UNIT)
FRONT UNIT
I C501
DS510 Q507:UNR9213J
S-812C30AMC
M4-0078TAY-2 LIGH LED Q 508:DTA114EU
SW Q509:DTB123EK
+3V
REG
LCD FSDA DS501-3 SML-A12MT
FSCL DS504-9 SM L-310MT
I C505
M62320FP
1
MCON
I C506 EXPAND
EPTT
M62320FP EXPAND
KR0 KS0 SPCON AFONO AFON
KR1 KS1
KR2 KS2
KR3 KS3 D505/D506 Q512
DAP222 UNR9213J
SP/ESP Q513 PWR VCC
KR
10KEY SW UNR9213J CTRL
MATRIX
Q501:2SB1132
Q502:XP6501
D508:DAN202U
SP1
AF
AM P FSDA
FSCL
I C508
TDA8547TS
I C509
NJM12904V
MP801 AF
AFO AF AF
AMP AM P
I C508
TDA8547TS
VCC
MDET
9PIN
RES
CL I CL I M CIN
CLO CLO
EPTT EPTT
EMIC
I EPTT
JACK
I C509
NJM12904V
UNIT
AM P
M CIN
LRES AFONO
D504:MA2S111 RES PTTI
Q506:UNR9113J EPTT MDET
MC501 Q515:2SK3019
Q516:UNR9213J CLO FSDA
CL I FSCL
MIC
SW
AFONO
MCON PTTSW
Q17 2SC4116
Q1:2SC4226
S5V RIPPLE D1:HVC383B
FIL
Q19
2SK880
D2 HVC350B
BUFF
LV
ADJ Q2:2SC4226
D5:HVC383B
LOOP
FIL
Q32
2SK3019 D6 HVC350B
OUT1 RLVA
LV LV Q3:2SC4226
OUT0 SW ADJ D9:HVC383B
TX:400-520MHz
RX:353.65-473.65MHz D10
HVC350B
TLVA LV
BPF
ADJ
D16 M A2S077
D17 M A2S077 D11
R5V MA368
MOD MOD
D35
Q25 DAN235E
2SC4215
N/W
IF IC AM P
SW
D -IF NWC1
BUFF
D33 DAN235E FI2
Q26 UNR9113J CFWC450G Q24
2SC4116
CERAMIC
N/W NWC2 (MAIN UNIT)
BPF
SW
D32 CP4
DAN235E CDEC
450KH z
CERAMIC
N/ W NWC2
BPF
SW CP3
DET
FI3
CFWKA450KHFA
DISC
D-IF
BUFF AM P
AFOUT
Q58 IC25
2SC4116 NJM2711F
(MAIN-A UNIT) (MAIN-A UNIT) IC13 CP6
CD4053B CP2
IC9 NJM12902V
D41 MA2S111 EMPH De -
emph
VOXV
AM P
IC4
M62364FP
DA5 BEEP,BEP O
AM P
D42
DAP222
RMUT
MUT E
RMUTO SW
MIC
HPF
IC4 AM P
M62364FP
AF DA6 MUT E
Digita l
IC14 CD4053B
IC9 IC26 IC15 Q50
NJM12902V TC7W53FK AN6123MS 2SK3019
(MAIN-A UNIT) (MAIN-A UNIT) (MAIN-A UNIT) (MAIN-A UNIT)
Digi/ ALC Digi/ (MAIN-A UNIT)
AM P
Ana AM P Ana
MCOT
VREF
DASW DASW
IC13 IC9 IC4 IC15
CD4053B NJM12902V M62364FP AN6123MS
(MAIN UNIT) (MAIN UNIT) (MAIN UNIT) (MAIN UNIT)
Pre- DA3 ALC (MAIN UNIT)
AM P
Emph AM P
Q43
2SK3019
VREF (MAIN UNIT)
Digi/
EMPH DASW Ana
1
KR
11 - 1
Q4 Q6 D14 1SV308 Q7
2SC5107 2SC5107 D15 MA2S077 2SC5107
LO TX/RX
BUFF BUFF
AM P SW
Q21/Q22 XP1214
Q23 UNR9213J
OUT1
VCO
SW R5V
Q5
2SC5700
BUFF
LPF
FI1 D34 353.65-473.65MHz
FL-401 DAN235E
XTAL N/W 46.35MHz
BPF
Q42 SW
2SC4116 Q9
Q27 3SK324
UNR9113J
MUT E NWC1
SW
MAIN/MAIN-A UNIT
NWC1
XTAL
BPF
Q41
FI4
FL-335 2SC4116
(MAIN UNIT) +5V
FL-420 MUT E Q28
(MAIN-A UNIT) SW XP4601 DTPD
1 DET
LPF AM P
NWC1
D37
MA8051
Q35
UNR9213J
EPTT MD
SW
X3
CR-765
IC5
AK2346
Expand De - De -
HPF LPF AM P
Emph Scra m
Comp Pre- Scra m LIMIT
HPF LPF
Emph AM P
PMFM
IC13
CD4053B
PM/FM
SW
IC4 IC4 IC9
M62364FP M62364FP NJM12902V IC4 M62364FP
BAL DA4 DA2 DA7
AMP
IC4
MOD M62364FP
DA3
TONE
(MAIN-A UNIT)
1
PTTI PTTO
RF UNIT
D604/D607
RB706F
Q603 Q602 Q 601
2SC3356 RD01MUS1 RD07MVS1
PRE PRE PWR
LPF
DRIVE DRIVE
AMP
Q606
U NR9213J
D606 M A2S111
I C601 TA75S01F MUTE
SW
APC
AMP
Q11 2SK1829
RSSI AGC D25 MA2S111
D 28/D29 Q10 D21-D24
HVC350B 3SK293 HVC350B
RF
BPF
AM P
T1 T2
IC20
T2 M62334FP
SCK
TLVA DSDA
D/A
RLVA
LVIN
UNLK
I SENS
Q40 IC10 DDSO IPTT I EPTT
UNR9113J BU8872F DDAC
DDST
DTMF DTMF
PD DEC
R SSI NOIS BEEP
X4
CR-818 PLST
CDEC
DASW PTTO PTTI
S5C T5C PMFM
R5C TMUT EMPH
MD1
SDEC
SENC CENC0-2
TEMP
IC22
CD4053B
MDET
AFVI DATA
SW
DASW VOXV
ANASW
IC14 CPU5 RESET
CD4053B J2
DET D -IF IC8
Digi/ S-80942CNMC
Ana DAFO
+5V
IC17
NJM12902V VCC
M ODD DMI
AMP
DMO
DPDN IC24
VREF DRES CD4094B
DASW
IC14 EXPAND
CD4053B
DISC
Digi/
Ana
NWC1 NWC2 DUSE DTPD SCRM
J1
IC17 NJM12902V MIC
TENC CENC0-2 MCOT
LPF
REM BUSY
+5V
Q34 U NR9213J
CTCSS VCC
/DTCS DUSE
SW AFONO OPT1
OPT2
BEPO OPT3
OPV1(DASW)
IC17 NJM12902V DISC OPV2(PMFM)
OPV3(EMPH)
SENC AFOUT
LPF
REM
ANTENNA
400-520MHz
PWR
DET
D 601-D603
1SV307 from Battery
ANT
LPF LPF
SW
Q48 TPC6103
TMUT (MAIN-A UNIT)
HV
1
VCC VCC
T2 SW Q30
TPC6103
+5V Q31
PWR U NR9213J
SW
Q14 2SA1577 PWON
S5V
S5V
S5C
+5V CPU5
Q15 2SA1577
D19 T5V
1SV308 T5V Q12 2SB1132 IC6
Q13 XP6501 NJM2870
ANT Q8 UNR9213 J
BPF
SW
T5C
IC9
Q16 2SA1577 NJM12902V
R5V
T1 R5V VREF
IC18 CPU5V
HD64F2268TF
(MAIN UNIT)
HD64F2506BR R5C VREF
(MAIN-A UNIT)
IC19
ESCL 24LC512T
ESDA
EEPROM
CSFT
D38
MA2S077
SHIFT
SW
CPU
PWON
+5V
DS701
CL-165HR
RES
RLED
LED
TLED SW
Q701:XP1214
CCS
R704
CIRQD POSW
CSO AFVI
CSI
CCK
PWR PWRSW
CTRL
D36
EXST DAN202U
SSO CBI0
SCK CBI1
S701
EXOE CBI2
CBI3
CH
SELECT
EMER
SIDE3 SIDE2 SIDE1
MMUT
RMUT
CCS
CIRQA
CSO
CSI
CCK
VR UNIT
PTTSW
1 = Differ from the F4060 or F4160