Block Diagram - Icom IC-F2610 Service Manual

SECTION 10

BLOCK DIAGRAM

VCC
EXT SP
AF
AF
AMP SW
IC8
Q7
LA4425A
DTC363EK
SP
Q47 DTC144EU
DIM DIM
SW
ACC CONNECTOR Q45 DTC144EU
VCC HORN HORN
SW
J4
VCC
DIM +5V
HORN Q8 DTC114EU
GND
PAAF PA AF
BUFF
GND SW
DISC
IC9B
GND TA75W558FU
IN
GND PASP
PTT
DISC
EPTT
D51
Q506 IC504
2SK1069
DMOD
MOD
BUFF
SW
AMOD
MODS
FRONT UNIT
DS2-DS6
DS1
IC1 DS7,DS8, DS10, DS11 CL-170Y
TSC0712A-03
SED1526FOA DS13-DS16
SWITCH ×19
LCD
LCD
DRIVER
IC2
HD6433640A33H
X1
CR-567
SUB
AF VOL
CPU
+5V
R26
AFV
POWER SW
CLONE DATA
HANG HANG I/F I/F
PTT
Q4, Q5 DTA114EU
+8V D4 MA111
CLON CLON
Microphone
AFO
MIC
DISC
AF OUT
N/W
SW
IC7 IC3
M5282FP Q6
TA75W558FU D501
DTC114EU
+8V +5V DAN202U
Q515
DTA144EU Q501,Q502,Q510 DTC144EU
N/W N/W
AF
VCA
HPF
MUTE CTRL SW
Q61 2SC4116
Q5
+8V
2SC4116
AMUT NWC
X2
VCA
CDBC455CX16-TC
HFSW SHIFT
AMP
SW
IC2a
PA +5V TA75S588F
PA
SW
CDEC
LPF
MIC OUT
IC25 TC4W66FU Q503
MIC IN XP4601
IC22
µPC5023GR-043-GJG
+5V
IC25 TC4W66FU
5
MIC 16 14 13 LIMIT 12
HPF
AMP MIX
SW AMP
AMP
IC21b +5V
TA75W01FU
MCON +5V
SIG OUT 4
BUFF
AMOD
DTMF DTMF
BEEP LINE
MIC
Q64 DTC144EU
AFO /NWC
N/W
SP SW
CENC
+5V
LPF
VCC
IC21A
IC5 AN8005M
TA75W01FU
+5V 5V VCC
REG
FY1112H
+8V
Q6-Q9 DTA143ZU
CL-170Y Q10, Q11 DTC114EC
BACK LED
LIGHT CTRL
IC3 S-80842CLMC-B63-T2
Q1 2SC4081
D1 MA111
+5V CENC
RESET
DTMF
D2
SQL MA111
IC4 TC7W04F
Q2, Q3 DTA114EU
D3 MA111
FTXD
FRXD
GND
SP +8V
AFO
MIC
+8V
POSW
10 - 1
FI3 FI4
R8V 1st mixer
SFPC455H SFPC455E-TC01
N/W
BPF BPF MCF BPF
SW
Q2
D502
FI1 3SK166
DAN202U
FL-264
R8V R8V
IF LO
FM IC
AMP AMP
Q4 Q3
IC1 2SK302 2SC4226
MC3372SVM
X1
CR-574
/NWC
NWC
NOISE VRX
+8V RSSI
IC502
Q65 2SK1829 TC7S66FU
Q62
N/W N/W N/W
DTC144EU
SW SW SW
Q23 2SC5110
D21, D22 1SV217
D46 IT365
IC503
SPLATTER
DMOD MOD
TA75S01F
BUFF
6 7 8
Q516
2SC4081
BEEP OUT
BUFF
VTX
Q35
2SC4081R
+18V
IC13 TC4W66FU
Q30 FMS2A
Q31 FMW2
BUFF
Q32
VCA PSET Q33
LOOP
+5V FIL
BEEP
15 11
13
4
SPEED
D/A PLLT
UP
14 21
SW
1
IC5 Q25 DTC144EU
Q26 DTA114EU
M62363FP650C
10
2 3
Q505
9 22 +5V
DTC144EU
/NWC
NOIS N/W
LIMIT
CTRL
AMP
Ref MOD
Q9, Q10
2SC4081R
DCK NWC
DDA
DSTB
EPTT, RSSI
CDEC, DIM
HFSW, PASP
SP,HORN, PA
BEEP, MCON
MODS
Q504 CPU
2SK1069
IC20
HD64F3437F [BIIS]only
BUFF
HD64F3437F16 [OTHER]
X502
EFOP3584E5
IC501
LC73661M
DTMF
ENCODE
DATA
I/F
IC26 TC7W04FU
IC505 BU4066BCFV
Q50 DATA114EU
Q51 DTC114EU
Q507 DTC144EU
D37 1SS355 X4
9.8304MHz
CPU5V
SHIFT
RESET
SW
IC19 S-80842CLMC-B63-T2
Q48 2SC4116
D503 EEPROM
D36 1SS355
MA77
IC27
CAT25C64SI
R8V
D512
MA77
RF
BPF BPF BPF BPF
ATT
AMP
Q1
3SK166
ATT
RSSI
CONT
+18V
IC2b
TUNE Q518 DTC114EU
D513 MA77
T8V
BUFF
D17 MA77
MT8V MT8V
D18 MA77
Q29 2SK880
VCO TX/RX LO DRIVE
BUFF
SW SW AMP
AMP
Q22 DTC144YU
Q27 DTA144EU
Q17
Q16 Q15
2SC5107
2SC3356 2SC4703
Q21 2SC5110
D19, D20
RX
1SV217
VCO
+8V +8V
TX
BUFF BUFF ATT
VCO
Q19 2SC5110
Q20
2SC5110
IC506 S-812C50AUA-C3E
Q508 2SK1829
Q509 DTC144EU
VCO Q24 DTC114YU
SW
Q28 DTA144EU
+18V +18V FVPP +12V
DC-DC CTRL
+5V +8V
IC12
IC18 TC7W04FU
MC145190F
Q44 2SK1069
D31 HSU88
FVPC
D32 MA742
PLL
BUFF
IC D33 MA8160
Q18
2SC5110 R8V +5V +5V
R8V
+5V CTRL
Q36 2SD1664
Q42 2SB1123
Q37 2SC4116 Q43 2SC4081
Ref MOD D27 DA204U VRX
D30 1SS355
TCXO
X501
MT8V +8
12.6MHZ
MT8V
REG
PCK
Q38 2SD1664
PDA IC16
Q39 DTC114YU
PSTB
TA7808F
Q514
UNLK TMUT
D28 DA204U
VCC
+8V
THRM TEMP T8V
T8V CPU5V
C.P
Q40 2SD1664
Q41 2SC4116
D29 DA204U
VTX
VPP
VTX
REG CTRL BUS TMUT, VRX
PWON, FVPC
XTXD, XRTS
DATA OPTION BUS
XRXD, XCTS
OPTION CONNECTOR
J6
OPV1 SCK
SCK CCS BUSY OPT3 OPV2 SI
SI MMUT AFON OPV1 OPV3 SO
SO RMUT OPT1 OPV2 GND CIRQ
CIRQ AUX OPT2 OPV3 OPT3 CCS
OPT2
SIGNALING OPTION BUS OPT1 AFOUT
SIG OUT DISC
RMUT
BUSY BEEP OUT
AUX AF ON
MIC IN MMUT
MIC OUT VCC
PTTI PTT OUT CPU5V
PTTO PTT IN GND
OPS1
OPS2
MAIN UNIT
EEPROM
IC1
MC3372SVM
400–520 MHz
D4
UM9401F FOR
TX/RX
LPF LPF
SW
REV
T8V
LPF
POW
DET
HV
VCC
PWR APC
AMP CTRL
IC10
IC11
NJM2904V
SC-1321 [L]
SC-1322 [M]
SC-1323 [H]
PSET
APCV
Q12 2SJ377
Q14 DTC144EU
D509 DAN202U W4
POWER HV
SW
PWON
+5
REG
IC17
AN78L05M
HV
VCC CPU5V
COMMON LINE
LINE
RX LINE
TX LINE
DATA BUS LINE
VOLTAGE LINE