Icom IC-F5012 Service Manual page 32

SECTION 10. BLOCK DIAGRAM
Q18 8V
2SK880
LVIN
BUFF
IC19 X2 IC4
TA75S01F CR-794 MB15A02
BAL 15.3MHz
REF PLL LOOP
AMP
REF IC FIL
SCK
Q34 SO
2SC4116 PLST
X3 LPF
45.9MHz
IF IC
BPF
Q5
LDTC144EE
NWC
X1
W/N
SW
JTBM450CX70
IC21
SQIN DISC
TA75S01F
AM P
REF 5V
NWC
MCOT
IC16
NJM12902
MCGO
AM P
D/A
IC16
IC18 NJM12902
AK2330 DISC CP3
SO
HPF
SCK
DAST B
CP_3
J
AFOUT
BEEPO BEEP
VRAF
BAL
VRAF
TENC
5/2 TONE DEC
IC16
NJM12902
DISC
LPF
I C20:M62334FP
T1
T2 CTCSS/DTCS DEC
Q39
D/A
TLVA DSDA XP4601
SCK
RLVA DISC
LPF
J1
Explanatory notes
M CIN BUSY
MCOT DISC
REM
OPT1-3
8V CCS
CIRQ
5V SO
SI
SIGO OPTIONAL SCK
OPV1
UNIT
AFONO OPV2(EXST)
OPV3(DAST)
BEPO
AFOUT
PTTI
RMUT
C
MMUT E PTTO
10 - 1
Q17
Q15:XP1214
2SC4116
Q16:LDTC144EE
RIPPLE VCO
FIL RX VCO SW
Q14:2SC4226
D 52:HVC375B D33:HVC376B
D34:HVC376B
RLVA RLV Q11
AD J 2SC5006
BUFF
D 53:HVC375B
TLVA
TLV
T8V AD J TX VCO
D54,55 Q13:2SC4226 Q12
HVD144A D16:HVC376B 2SC5006
D31:HVC376B
BPF X2
D18
FM HVL355CM
MOD Q4
2SC5107
I C1:NJM2591V
F
D66,D67 FI2
HVD144A LTM450FW
CERAMIC
W/N
BPF
SW
FI6 450kHz RSSI NOIS
LTM450GW
CERAMIC
W/N
BPF SW D64,D65:HVD144A
Q40:LDTA114EE
450kHz
ANALOG
SW
RXAF TXC
MMUT
IC14
CD4066 RMUT
MOD
IC16
NJM12902
SIG
LPF
TONE
SDEC
VCC
8V
CDEC D23:DA221
Q25:2SD1664
Q29:LDTC114YE
VCC
T8V T8 TMUT
REG 8V
Q26:2SA1577
CONTROL_LINE Q30:LDTC144EE
RXC
COMMON_LINE R8V R8
REG 8V
TX_LINE
RX_LINE
Q27:2SB1132
Q28:XP6501
DATA_LINE 8V
5V +5
REG CPU5
RXC
TXC
Q10 D14,D15 Q9
2SC3357
2SC5006 HVD144A
TX/RX
DRIVE
BUFF
SW AM P
182.35MHz-220.35MHz
RSSI
LPF
FI1 D9-B D9-A
FL-442 HVC350B
Q3 HVC350B
3SK293
46.35MHz
IF XTAL
BPF BPF
AMP BPF
T2
IC15
TA75S01F
BEEP PRE
BEEPO AMP
MCOT M CIN
CP4 A
CP4
I
CP_3
(EAFO)
J6 K
Ext.I/O_7_(AFO)
PGIO4
CP_3
CP5 E
Ext.I/O_6 _(DIM/IGSW) SIGO
Ext.I/O_11_(HORN) CP4
D
Q31
ACC
DISC 2SJ144
CP3
F
IN LINE
SW
Ext.I/O_14_(EPTT)
Ext.I/O_4_(SERIAL)
Ext.I/O_10_(SERIAL)
NW C
TMUT
HORNO
RXC
BUSY
D43
DAP222
MMUT E
MMUT
EXP
MMUT CTRL
IC9 D42 IC17
NJM7808D DAP222 CD4094
RMUT
+8 RMUTC RMUT
REG CTRL
Q 23:2SJ506S D44
Q24:LDTC144EE LDAN222
PWON AFONO
POWE R AFON AFON
SW HV CTRL
IC10
W2
NJM2831
CPU5
REG
IC3
D 6:RN752
RA30H1317M1 (25W)
D3,D5,D6:RN752
RA60H1317M1A (50W)
D47,D48:HVD144A
PWR ANT
LPF LPF
AM P SW
IC2
Q1:2SK1829
TA75S01F
AGC
Q2 D4 D8
HVC375B HVC375B
3SK293
RF
BPF BPF
AMP
IC8
LA4425A
AF
AM P
D 29:L1SS400
Q36:LDTC144EE
Q35:DTC363EK AFO
AF AFON
G
MUT E
FRONT UNIT
SIG
IC5
NJM12902
F
AM P
IC5
NJM12902
TONE SENC
LPF
BEEP
IC5
NJM12902
TENC CENC0-2
LPF
CPU
Q3
LDTC114EE
FIL DUS E IC1
SW HD64322388
NOIS
DI M EPTT
CDEC LVIN
SDEC R SSI
EXST
SO
SCK
PTTI
PWON
IC2
NJU7704F3-42A
RESET RES
CPU5
PTTO
136-174MHz
LPF
D1,D11,D12:LRB706F
APC DET
AMP PWR
D 28:MA2S728
MUT E TMUT
SW
T1
J4
SP
J1
AFO
MIC
8V
MIC
PTT JACK
C LI CLO
D6
HVD142A
CSFT SHIFT
SW
X1
CR-915
12.288MHz
Q 2:LDTC114EE
Q5-14:LDTC114EE
LED 8V
CTRL
DS1-9
LNJ426W83RA
DS10
CL-165
IC3
S-24C64C I
ESDA
ESCL EEPROM
KS0-1,4
KEYX6
S2-S7
KR0-3
PUSH1
POSW
POSW
PWR
PUSH1
AFVI
AF VR
R14
RK09D1130A1N