Icom IC-F310 Service Manual page 38

• MAIN UNIT
T5
R5
5V
LVIN
R232
C82
R54
15.3MHz
470k 33p
47k
REF
BAL X1 CR-575
R233 C85
1k 2.2
PLST
SCK
SO
UNLK
L16 82nH
R49
EXB-V8V
(1kx4)
C144
Q16
15p
DTA144EU
NWC
C148
0.1
FI3
C149
SFPC450G
0.1
D23 D22
I O I O
DAN202U DAN202U
R104
10
FI4
SFPC450E
C287
100p
R236
100k
4
2
D31
- 1
DA204U 3
+
11
IC7a
NJM2902V
AFREF
R178
33k
R212
EXB-V8V
(1kX4)
OPINT
OPCS
BUSY
BEEPOUT
R213
EXB-V8V (1kX4)
TONE
BEEP
DTCS
RFATT
R214
EXB-V8V (1kX4)
NOIS
UNLK
EXEN
EXST
R215
EXB-V8V (1kX4)
DAST
PLST
VIN
TEMP
MIC
C200
0.22
COMPLETE VIEW
CP1
Q11
2SK880
R51
R46
100
10k
R44 10
1 20
VCC1 GND1
2 19
IN1 IN2 R42 L15
3 18
ENB VCC2 560 2.7µH
4 17
CLK XB
5 16
DATA XI
6 15 Q9
T1 XO
DTC114EU
7 14
LOK GND2
8 13
CP1 CP2
9 12 MOD R59 22k
FI1 FI2
10 11 IN R238 18k
FO1 FO2
F
IC2 µPD3140GS
R5
C142 C140 X3
IC3
4p 10p
CDBCA450CX24
TA31136FN
R102
1 16
1.5k
OSCIN MIXIN
2 15
OSCOUT GND
3 14
MIXOUT N-REC
R95
4 13
VCC N-DET 1.5k
5 12
IFIN RSSI
6 11
DEC IFOUT
C138
7 10 Q15
220p FILOUT QUAD
8 9 R97 470 2SC4081
FILIN AFOUT
3.6V
T5
5V
R229 C196
IC8a
B
C198 100p 47k 0.1
NJM2904V
IC7d
NJM2902V
R174 150k
R175
C295 C192
10k A
13 0.001 0.01
- 14 3
12 +
+
2
C197 -
0.1
R165
47k
R168 1M
8V
T5
R5
5V
CPU5
J1
1 2
8V 5V
CPU5V AFO
R216
GND SI R237 1k
EXB-V8V (1kx4)
OPINT OPT3
OPCS OPT2
BUSY OPT1
BEEPOUT OPV3
TONE OPV2
R217
BEEP OPV1
EXB-V8V (1kx4)
DTCS PTT
RFATT PTTIN
NOIS DET
UNLK PWON
EXEN EXPTT
R218
EXST DIMIN
EXB-V8V (1kx4)
DAST SO
PLST SCK
VIN SD
TEMP LVIN
MIC GND
R219
39 40
EXB-V8V (1kx4)
to
FRONT UNIT
J2
11 - 2
Q10
2SC4081
C52
L14
2p
MC152-E558CN
-100024
Q7
2SC4226
R37
1k
D10
Q8 Q6
MA77
2SC4226 2SC4215
C53 C48
1.5p 0.5p
2.2V
C130 C124 R87
0.01 FI1b FI1a 0.001 820
C128 R89 Q13
0.01 560 3SK166
RX:1.2V
FI1
FL-285
Q14
2SC2714
R227 R157 R156 C213 R150
680k 2.2k 560k 0.001 220k
C190 C189
8 0.01 0.01
5 6
1 + 7 - 7
6 5
+
-
4
Q22
IC7b
DTC144EU
NJM2902V
IC8b
C194 R162
NJM2904V
2.2 68k
IC11
BU4094BCFV
1 16
STRB VDD
2 15
DATA OENA
D25
3 14
CLK Q5 MA111
AFO 4 13
Q1 Q6
SI 5 12
Q2 Q7
6 11
Q3 Q8
7 10
Q4 Q'S
OPT3 8 9
VSS QS
OPT2
OPT1
OPV3
D24
MA111
OPV2
OPV1 5V
PTTOUT
PTTIN
J2
1 30
DET C PTTIN
PWON PTTOUT 5V
EXPTT MICOUT HV
DIMIN MICIN MICMUTE
AFONOP
BUSY BEEPOUT
SO RXMUTE
SCK SIGOUT DET
SD OPT1 AFOUT
LVIN OPT2
OPT3 OPCS
OPINT
OPV3 SO
OPV2 SI
OPV1 SCK
15 16
IN
for
OPTIONAL
D E
EXTONE UNIT
T5
C36
47p
Q3
C41 D5 R24 C39 2SC4215
18p MA77 100 10p
Q5 Q4
2SC4215 2SC4215
D6
MA77
C46
22p
R78
4.7k
C107
1p
RX:0V
C113
5p
C118 L23
R74
15p 47nH
100k
R73
100k
5V
R146
68k
R141
100k
R142
C284
100k
390p
R223
33k
9
- 8
R143
10
+
100k
IC7c
R177
NJM2902V
47k
G
R129 560
AFO
7.7V
TX:0V TX:5.0V
H
RX:5.0V RX:0V
Q36 R221
2SD1664 22
13.2V (LCD type only)
IC10
D26
LA4425A
DAN202U
C206
5
1 470
4
2
3
Q24
DTC144EU
L9
0.12µH (PMR,L-BAND)
0.15µH (PMR,H-BAND)
R242
0.1µH (LMR)
470
Q38
2SD1664
10nH (LMR,H-band only)
47nH (Others)
R9
56
IC1
SC-1364 (PMR,L-band)
SC-1365 (PMR,H-band)
M68702L (LMR,L-band)
C33
M68702H (LMR,H-band
18p (L-band)
8p (H-band)
L7 L6
R12 C29
560
Q2 Q1
2SC4215 2SC4703
D29
DA221
18p (LMR,H-band only)
22p (Others)
5V
Q35
DTA144EU
RX:4.7V
RX:0V
C99
1.5p
Q12
C104
3SK239
0.001
RX:0.63V
R62
100k
IC5
M62363FP-650C
C171
1 24
VIN1 VIN8 0.001
2 23
VOUT1 VOUT8
3 22
IC6b
VOUT2 VOUT7
R136 R135
4 21 NJM29
VIN2 VIN7 68k 27k
5 20 5
VDD GND +
6 19 6
LD RESET -
C172
7 18
CLK VDAREF 200p
8 17
DI DO
Q21
9 16
VIN3 VIN6 DTC144EU
10 15
VOUT3 VOUT6
11 14
VOUT4 VOUT5
12 13
VIN4 VIN5
AFREF
VCC
T5
R5
5V
CPU5
Q27 Q28
Q26
2SA1588 2SA
2SB1124
R196
47k
Q25
DTC114EU
Q37
DTC144W