Icom IC-F310 Service Manual page 40

¥ MAIN UNIT
T5
R5
5V
LVIN
R232 C82
R54
15.3MHz
470k 47k 33p
REF
BAL X1 CR-575
R233 C85 R51
1k 2.2 100
1 20
VCC1 GND1
2 19
IN1 IN2
PLST 3 18
ENB VCC2
SCK 4 17
CLK XB
SO 5 16
DATA XI
UNLK 6 15
T1 XO
L16 82nH 7 14
R49 LOK GND2
8 13
EXB-V8V CP1 CP2
(1kx4) 9 12
FI1 FI2
10 11
FO1 FO2
IC2 PD3140GS
R5
C144 C142 C140
Q16
15p 4p 10p
DTA144EU
R102
NWC 1.5k
C148
0.1
C138
FI3 220p
C149
SFPC450G
0.1
D23 D22
I O I O
DAN202U DAN202U
R104
10 FI4
SFPC450E
T5
5V
C287
100p C198 100p
IC7d
NJM2902V
R236 R174 150k
R175
100k
C295
10k A
13 0.001
4 - 14
2 12
D31 +
- 1
DA204U 3
+
11
IC7a
NJM2902V
AFREF
R178
33k
8V
T5
R5
5V
CPU5
J1
1 2
8V 5V
R212 CPU5V AFO
EXB-V8V
GND SI
(1kX4)
OPINT OPINT OPT3
OPCS OPCS OPT2
BUSY BUSY OPT1
BEEPOUT BEEPOUT OPV3
TONE OPV2
R213
BEEP OPV1
EXB-V8V (1kX4)
TONE DTCS PTT
BEEP RFATT PTTIN
DTCS NOIS DET
RFATT UNLK PWON
EXEN EXPTT
R214
EXST DIMIN
EXB-V8V (1kX4)
NOIS DAST SO
UNLK PLST SCK
EXEN VIN SD
EXST TEMP LVIN
MIC GND
R215
39 40
EXB-V8V (1kX4)
DAST
to
PLST
FRONT UNIT
VIN J2
TEMP
MIC
C200
0.22
LEFT SIDE
11 - 2
Q10
CP1
2SC4081
Q11
2SK880
R46
10k
R44 10
C52
L14
2p
R42 L15
MC152-E558CN
560 2.7µH -100024
Q7
2SC4226
R37
Q9
1k
DTC114EU
D10
MOD R59 22k Q8 Q6
MA77 2SC4226 2SC4215
IN R238 18k
F
C53 C48
1.5p 0.5p
X3
IC3
CDBCA450CX24
TA31136FN 2.2V
1 16
OSCIN MIXIN
2 15
OSCOUT GND
3 14
MIXOUT N-REC R95 C130 C124 R87
4 13
VCC N-DET 1.5k 0.01 FI1b FI1a 0.001 820
5 12
IFIN RSSI
6 11
DEC IFOUT C128 R89 Q13
7 10 Q15
FILOUT QUAD 0.01 560 3SK166
2SC4081 RX:1.2V
8 9 R97 470
FILIN AFOUT FI1
FL-285
Q14
2SC2714
3.6V
R229 C196 IC8a R227 R157 R156 C213 R150
B
47k 0.1 680k 2.2k 560k 0.001 220k
NJM2904V
C192 C190 C189
0.01 8 0.01 0.01
3 5 6
+ 1 + 7 - 7
2 6 5
C197 +
- -
4 Q22
0.1
IC7b
DTC144EU
NJM2902V
R165
IC8b
R162
47k C194
NJM2904V
2.2 68k
R168 1M
IC11
BU4094BCFV
1 16
STRB VDD
2 15
DATA OENA
3 14
CLK Q5
AFO 4 13
Q1 Q6
SI 5 12
Q2 Q7
6 11
R216 Q3 Q8
R237 1k 7 10
EXB-V8V (1kx4) Q4 Q'S
OPT3 8 9
VSS QS
OPT2
OPT1
OPV3
D24
MA111
R217
EXB-V8V (1kx4)
OPV2
OPV1 5V
PTTOUT
PTTIN
J2
R218
EXB-V8V (1kx4) 1 30
DET C PTTIN
PWON PTTOUT 5V
EXPTT MICOUT HV
DIMIN MICIN MICMUTE
AFONOP
R219 BUSY BEEPOUT
EXB-V8V (1kx4)
SO RXMUTE
SCK SIGOUT DET
SD OPT1 AFOUT
LVIN OPT2
OPT3 OPCS
OPINT
OPV3 SO
OPV2 SI
OPV1 SCK
15 16
IN
for
OPTIONAL
EXTONE D E
UNIT
T5
L9
0.12µH (PMR,L-BAND)
0.15µH (PMR,H-BAND)
0.1µH (LMR)
10nH (LMR,H-band only)
47nH (Others)
C33
C36 18p (L-band)
47p 8p (H-band)
Q3
R12
C41 D5 R24 C39 2SC4215
18p MA77 100 10p 560
Q2
Q5 Q4
2SC4215
2SC4215 2SC4215
D6
MA77
D29
C46
DA221
22p
R78
RX:4.7V
4.7k
C107
1p
RX:0V Q12
C113 C104
3SK239
0.001
5p
RX:0.63V
C118 L23
R74
15p 47nH 100k
R73
100k
5V
IC5
R146 M62363FP-650C
68k
R141
1 24
100k VIN1 VIN8
2 23
VOUT1 VOUT8
3 22
VOUT2 VOUT7
4 21
VIN2 VIN7
R142
C284 5 20
100k VDD GND
390p
6 19
R223 LD RESET
7 18
33k CLK VDAREF
9 8 17
- 8 DI DO
R143
10 9 16
+ 100k VIN3 VIN6
10 15
IC7c VOUT3 VOUT6
R177 11 14
NJM2902V
47k VOUT4 VOUT5
12 13
VIN4 VIN5
AFREF
G
R129 560
AFO
VCC
7.7V
H TX:0V TX:5.0V
RX:5.0V RX:0V
T5
R5
5V
CPU5
Q26
D25 Q36 R221 2SB1124
MA111 2SD1664 22
13.2V (LCD type only)
IC10
D26
LA4425A
DAN202U R196
C206
5
1 470 47k
4
2
Q25
3
DTC114EU
Q24
DTC144EU
R242
470
R7 R6 L4
33 22 LW-25
Q38
2SD1664
1k (PMR)
R9 100 (LMR,H-band)
56
330 (LMR,L-band)
IC1
SC-1364 (PMR,L-band)
SC-1365 (PMR,H-band)
GND GND
M68702L (LMR,L-band) FWD
M68702H (LMR,H-band)
1 2 3 4
L7 L6
C29 L5
C4
LA253 470P
REV
Q1
2SC4703
R5
C7 1.5k (PMR)
470p 1.8k (LMR)
D2
1SS375
18p (LMR,H-band only)
22p (Others)
5V
Q35
DTA144EU
RX:0V
R167
4.7k
C99 C93 C90 L18 L17
1.5p 4p 656LZ-09K 656LZ-09K
1P
R119
Q19
100k
R62 DTC144EU
100k
R61
100k
C171
IC4
0.001 C164 0.022
BU4066BCFV
IC6b
R128 100k
R136 R135 NJM2902V
R134
68k 27k
5 4.7k
+ 7 R131
R125
6 13
68k
C172 - 10
- 14
200p 12
+
Q21 IC6d
R169
DTC144EU NJM2902V
Q39
2.2k
DTC144EU
Q29
2SB1201
5.0V
Q27 Q28 R251
6 5 4
2SA1588 2SA1588 PTH9C32
LMR
5.0V
(only)
Q30 Q40
XP6501
2SC4081
1 2 3
IC9
R203 R204
S-81250PG-PD
4.7k 1k
O I
G
Q37 Q31
DTC144EU
DTC144WU
5V
Q32
DTC114EU
DIMIN
HORNO
AFO
DET
EXPTT
C229 Q34
2SJ144
1
IN
MAIN UNIT
C9
10p (PMR L-band)
9p (PMR L-band)
8p (LMR)
D3 C15 L2 L1
ANT
MI407 0.001 LA243 LA253 W1
L3
LA253
R4
D1
1SS375
R112 R111
100 100
Q17
2SB1143
R113
3.9k
C156
2.2
(except LMR H-band)
IC6c
Q18
NJM2902V R116
R120 2SC4081
R118
9 4.7k
- 8 4.7k
15k
10
+
Q23
DTC144EU
5V
C293
0.1
IC6a
Q20
DTC363EK NJM2902V
R123
6.8k
2 4
- 1
3
+
11
D33
DAN202U
13.2V
W7
VCC
GND
J4 P1
SP
SP GND SP1
I
AF OUT J5
to
TO SP
EXTERNAL
SP GND
SPEAKER
Q33 J6
DTC114EU
HV
GND to FAN
J3
HV
DIM
HORN
GND
AFO
for
GND
OPTIONAL
DET
CABLE
GND
IN
C230
GND
0.22
PTT
D28 R220
MA111 100
RIGHT SIDE