Block Diagram - Icom IC-F310 Service Manual

SECTION 10

BLOCK DIAGRAM

5V
1
5V
2
3
4
COMMON LINE A/D
5
AF 6
LINE
7
RX LINE DTCS
8
TX LINE
IC5
DATA BUS LINE
5V
AMP
5V
MIC
AMP
LCD type (F310/F320)
DS1
CPU5
LCD
RESET
CPU5
IC2.Q1
LED type (F310S/F320S)
DS12~DS17
LED
LED
CTRL
COM1-COM3
SEG1-SEG32 (LCD type)
TX.RX.SEL1.SEL2.CH1-CH4(LED type)
5V
BACK DIM
DIM
LIGHT CTRL
DS8-DS11 Q3.Q8
AF CH U/D.Etc
KEY X8
KR0-KR3
SW2-SW9 KS0.KS1
POSW
POSW
S1
J1
8V
CLONE
CLONE
AFO I/F
PTT
MIC Q4
MIC
HANGER
5V
RIPPLE
FIL
Q10
5V
T1
x1 or x2
T2
REF PLL LOOP
VCO
T3 NWC OSC IC FIL
T4
IC2 C60.C61 Q7.Q8
D7.D8
REF REF BAL
L14
SCK
SO
DISC
PLST
BAL R5 x3 UNLK
2nd Lo
FM DET BPF
L26.L27
IC3
NOIS
SD
CERAMIC
FI3.FI4
BPF
or FI5
NWC
5V 5V 5V
IC4a
LIMIT
HPF BUFF
AMP
AF OUT
IC7a
DET IC7b IC7c
IC8
AMUT
AFHPF
MICOUT IC4b
IC7d
MICIN
MMUT
CPU5
SHIFT
EEPROM
CTRL
X1
IC3 D5,C17
IC1
OPT3
OPT2
OPT1
OPV3
OPV2
OPV1
OPINT
OPCS
BUSY
SI
CPU
SO
SCK
PLST
DAST
EXST
EXEN
PWON
RFATT
NOIS
UNLK
PTTIN
EXPTT
DIMIN
SO
LVIN
TEMP
VIN
5V
D/A
Q6
R33.R34.R35
5V
5V
AMP
R60
BEEP
Q7
MUTE
BEEP
Q10
10 - 1
5V VCC
T5 T5
TX/RX PWR
DRIVE
BUFF BUFF BUFF BUFF
SW AMP
AMP
Q6 Q4 Q3 Q2 Q1
D5.D6
5V
BUFF BPF
Q5 L23.L24
1st LO
R5
L22 L21
R5
R5
D20.D21 D18.D19
IF
XTAL RF
BPF BPF
AMP
AMP BPF
Q13
Q14
Q12
FI1 or FI2
T4 T3
MOD
IC4d
5V
HV
T5 5V
AF
LPF BUFF
AMP
IC4c
IC6d
IC10
IC6b
AMUT
NWC
AFON
FRONT UNIT
J2 EXTONE
8V 40 39 5V
IN
CPU5V 38 37 AFO
GND 36 35 SI
OPINT 34 33 OPT3
OPCS 32 31 OPT2
BUSY 30 29 OPT1
BEEPOUT 28 27 OPV3
PTTOUT
TONE 26 25 OPV2
BEEP 24 23 OPV1
PTTIN
DTCSIN 22 21 PTT
RFATT 20 19 PTTIN
NOIS 18 17 DET
UNLK 16 15 PWON
EXEN 14 13 EXPTT
EXST 12 11 DIMIN
DAST 10 9 SO
PLST 8 7 SCK
VIN 6 5 SO
TEMP 4 3 LVIN
MIC 2 1 GND
to MAIN
5V
LPF DET
Q5
DTCSIN
TONE
BEEPOUT
FWD
T5
LPF ANT
LPF
SW
IC1
L5
D3.D4
L1.L2.L3
REV
D13.D14
L17.L18
VCC
APC RF
CTRL DET
IC6C D1.D2
Q17.18
T4
5V
L20.D17 L19.D16
BPF BPF ATT
Q35
T2 T1 RF ATT
J4
SP
AFO
J5
EX.SP
T5C J6
5V HV
FAN
TMUT
HORNO
AFATT
EXP SO
AFHPF
SCK
EXST
NWC EXEN
IC11
MMUT
MMUT
CTRL
D25
RMUT
RMUT
CTRL CPU5
D26
J2 5V
T5
OPV1 15 16 SCK
OPV2 14 17 SI
OPV3 13 18 SO
12 19 OPINT
OPT3 11 20 OPCS R5
OPT2 10 21
X
OPT1 9 22 AFOUT
SIGOUT 8 23 DET
HV
7 24 RXMUT
BUSY 6 25 BEEPOUT
5 26
X 8V
MICIN 4 27 MICMUTE
MICOUT 3 28 HV
2 29 5V
1 30 GND
OPT
HV
DIMIN
J1
8V 1 2 5V
HORNO
CPU5V 3 4 AFO
GND 5 6 SI
AFO
OPINT 7 8 OPT3
OPCS 9 10 OPT2 DET
BUSY 11 12 OPT1
IN
BEEPOUT 13 14 OPV3
TONE 15 16 OPV2
BEEP 17 18 OPV1
EXPTT
DTCS 19 20 PTT
RFATT 21 22 PTTIN
NOIS 23 24 DET
UNLK 25 26 PWON
EXEN 27 28 EXPTT
EXST 29 30 DIMIN
DAST 31 32 SO
PLST 33 34 SCK
VIN 35 36 SD
TEMP 37 38 LVIN
MIC 39 40 GND
to FRONT
MAIN UNIT
+5
VCC
REG
W7
IC9
GND
T5 +5
SW REG
Q28
T5C
Q29.Q30
PWON
R5
SW
Q27
R5C
8V HV
REG SW
Q26
Q36
PWON
J3
HV
DIM
DIM
SW
HORN
Q32
HORN AFO
SW
Q33 DET
IN
SIG
SW
PTT
Q34