Icom IC-F310, Service Manual

Page: 39 / 42

RX:0V
RX:0.63V
RX:4.7V
RX:0V
7.7V TX:0V
RX:5.0V TX:5.0V
RX:0V
13.2V (LCD type only)
5.0V
LMR
(only)
13.2V
5.0V
R29 68k
L12 0.1
µ
H
Q5
SC4215
C43 12p
C42 0.001
R27 39k
L11 0.1
µ
H
Q4
2SC4215
C41
18p
R25 4.7k
D6
MA77
D5
MA77 R24
100 C39
10p
R21 5.6k
R23 4.7k
C40 0.001
R28 470 R26 390 R22 100
R20 8.2k (PMR)
15k (LMR)
C38 0.001
R19 150
R246
150 (PMR) 560 (LMR)
C36
47p
R17 1.8k
Q3
2SC4215
C35 0.001
R15 100
Q2
2SC4215
R16 3.9k (PMR)
8.2k (LMR,L-BAND) 8.2k (LMR,H-BAND)
C37 0.001
R18 100 R14 22
L9
0.1
µ
H (LMR)
0.12
µ
H (PMR,L-BAND)
0.15
µ
H (PMR,H-BAND)
C32 0.001
D29
DA221
C30 0.001
R11
27 (PMR) 5.6 (LMR)
R10
R8
270 (PMR only)
27 (PMR)
5.6 (LMR)
Q1
2SC4703
C29 R12
560
C299 0.001
R13 2.2k
C31
470p
C33
18p (L-band)
8p (H-band)
L8 47nH (LMR) 68nH (LMR)
C28 470p
C27 0.001 C26 0.001
R9
56
C25
C24 C23
100k
L24 0.1
µ
H
C117 56p
C118
15p
C116 15p
L23
47nH
C107
1p
R78
4.7k
C115 0.001
R77 100
L22 33nH
C112 15p (L-band)
8p (H-band)
D21 HVU350
C111 120p (L-band) 100p (H-band)
D20 HVU350
R74
100k
R76 1M
C110 0.001
T4 T3
R75 1M
C109 0.001
R73
100k
D19 HVU350
D18 HVU350
C106 120p (L-band) 100p (H-band)
C105 6p (L-band) 4p (H-band) R72 100k
C104
0.001
C103 0.001
C102 0.01
R71
R66 100k
100
Q12
3SK239
C100 0.001
R69 47
C101 0.001
R67 10k
L21 33nH
R66 100k
C99
1.5p
L20 54nH
C98 9p (L-band) 6p (H-band)
C97 220p (L-band) 100p (H-band)
D17 HVU350
RFATT
T2
R62
100k
C96 0.001
R64 1M R63 1M
T1
R61
100k
C95 0.001
C92 150p (L-band) 100p (H-band)
C91
4p (L-band)
1.5p (H-band)
L19 54nH
C90
4p
D15 1SS352
C89 7p
D14 MI809
C286 0.001
Q35
DTA144EU
C202 0.001
R228 18k
L18
656LZ-09K
D13 MI809
C88 22p
C87 18P (LMR) 15P (PMR)
L17
656LZ-09K
VIN1
VOUT1
VOUT2
VIN2
VDD
LD
CLK
DI
VIN3
VOUT3
VOUT4
VIN4
VIN8
VOUT8
VOUT7
VIN7
GND
RESET
VDAREF
DO
VIN6
VOUT6
VOUT5
VIN5
IC5
M62363FP-650C
1
2
3
4
5
6
7
8
9
10
11
12 13
14
15
16
17
18
19
20
21
22
23
24
C176 0.01
R140 100
C177 0.01
C178 0.001
DAST SCK SO
C179 0.001
C180 0.001 C181 0.001
R143
100k
R142
100k
R141
100k
C182 10 R145 10k C183 0.01 R154 100k
-
+ 8
10
9
IC7c
NJM2902V
C283 0.0018
R223
33k
C284
390p
R146
68k
R151 10k
T1 T2 T3 T4
C184 2.2
R147 180k
C224 0.001 C225 0.001
202U
RMUT MMUT
R183 100k R184 100k
TEMP
R186 100k
R185 NTCCF20124AH (47k)
C282 10
D30 MA8082
R193 2.2k
R221
22
C204 220
1
2
4
5
3
R194 10k
C205 0.1
Q36
2SD1664
AFO
G
H
R129 560
C206
470
R195 10k
PWON
Q25
DTC114EU
R197 1k
R196
47k
Q26
2SB1124
C207 22
C208 0.001 C210 0.001
C209 22
C212 0.001
C211 22
PI VGG VDD PO
GND GND
IC1
M68702L (LMR,L-band)
SC-1364 (PMR,L-band)
SC-1365 (PMR,H-band)
C22
18p (LMR) 20p (PMR H-band) 22p (PMR L-band) 18p (LMR) 20p (PMR H-band) 22p (PMR L-band)
C20
C275 47p C274 470p
C273 0.001 C272 0.001 C271 0.001
C297 470
C280 47p C279 470p
C278 0.001 C277 0.001
C276 6.8
L4
LW-25 R6
22
C16 470p
C17 0.001
R7
33
C18 470p
C19 0.001
Q38
2SD1664
R243 68 R242
470
C5 0.5p
R3 47
FWD
REV
C151 0.001
D2
1SS375
R167
4.7k
R5
1.5k (PMR)
1.8k (LMR)
C7
470p
R2 47
R112
100
C153 0.001 C155 0.001
D1
1SS375
C150 0.001 C152 0.001
C154 470p
R111
100
D3
MI407 C15
0.001
C13
18p (LMR) 33p (PMR H-band)
36p (PMR L-band)
C11 20P (PMR) 15P (LMR)
C10
15P (PMR) 12P (LMR)
C8
12p (PMR only)
C9
8p (LMR)
10p (PMR L-band)
9p (PMR L-band)
L3
LA253
L2
LA243
C3
18p (LMR)
6p (PMR)
C1
2p (LMR) 5p (PMR)
L1
LA253
R1 82k
W1
R119
100k
T4 TMUT
R248 330k
C160 0.001 C159 0.001
R118
15k
-
+
R117 150k
R249 10k
Q19
DTC144EU
C157 0.001
Q23
DTC144EU
C298
R120
R116
4.7k
R115 10k
Q18
2SC4081 R114 680
C156
(except LMR H-band)
2.2
R113
3.9k
Q17
2SB1143
C175 0.01
R139 1M
C174 0.01
REF DTCS BAL
R137 1M
8
9
10
IC6c
NJM2902V
Q21
DTC144EU
NWC
C173 0.001
C172
200p
R135
27k R136
68k
C171
0.001
+
-
R211 2.2k
R169
2.2k
5
6
7
IC6b
NJM2902V
R134
4.7k
C170 0.01 C169 0.01
I/O O/I O/I I/O CONT B CONT C VEE
VDD
CONT A CONT D
I/O O/I O/I I/O
1 2 3 4 5 6 78
9 10 11 12 13 14
MMUT RMUT MOD
C168 0.1
R131
68k
R130 10k
C167 0.01
R133 47k
BEEP
-
+
13
12
14
R127 100k C165 0.01 R126 10k
R128 100k
C164 0.022
R125
10
AFON AFONOP
R240 6.8k
Q39
DTC144EU
D33
DAN202U
R123
6.8k
C163 1
Q20
DTC363EK
C293
0.1
R124 100k C162 0.01 R122 75k C161 0.1
-
+
2
3
1
4
11
IC6a
NJM2902V
C166 2.2
R198 47k
Q27
2SA1588
R199 4.7k
R200 47k
R201 1k
Q28
2SA1588
Q37
DTC144WU
T5C PWON
R203
4.7k
Q31
DTC144EU
C215 10
6 5 4
1 2 3
Q30
XP6501
R202 10k
Q29
2SB1201
R204
1k
C216 100 C217 0.01
O I
G
C218 0.01
IC9
S-81250PG-PD
C219 0.001
VIN
R206 100k
R205 300k
C220 470
D27 DSA3A1
C221 0.001
C222 470p C223 47p
D32 RD20E
I
J5
HV
DIM
HORN
GND
AFO
GND
DET
GND
IN
GND
PTT
R220
100
P1
SP1
to
EXTERNAL
SPEAKER
to FAN
for
OPTIONAL
CABLE
C235 0.001 C234 0.001 C233 0.001 C231 0.001
C226 0.001 C227 0.001 C228 0.001
GND
HV
SP GND
TO SP
AF OUT
SP GND
SP
VCC
GND
W7
Q33
DTC114EU
D28
MA111
C230
0.22
R207 100k
R210 1M R209 1M
Q34
2SJ144
R208 1M
C229
1
Q32
DTC114EU
DIMIN
HORNO
AFO
DET
EXPTT
IN
ANT
a c b
R121 300k
IC6d
NJM2902V
IC4
BU4066BCFV
Q24
DTC144EU
IC10
LA4425A
C232 0.001
J4
J6
J3
R251
PTH9C32
Q40
2SC4081
C301 0.001
R252 15K
5V
CPU5
5V
R5
T5
VCC
5V
e
AFREF
C113
5p
5V
C93
1P
D16 HVU350
DAREF
C4
470P
MAIN UNIT
L5
LA253
1 2 3 4
M68702H (LMR,H-band)
L6 L7
5V
T5
e
10nH (LMR,H-band only)
47nH (Others)
18p (LMR,H-band only)
22p (Others)
27p (H-band) 36p (PMR L-band) 12p (H-band) 18p (PMR L-band) 8p (LMR,L-band)
18p (PMR,L-band) 12p (H-band)
R4
100 (LMR,H-band)
1k (PMR)
330 (LMR,L-band)
4.7k
10
COMPLETE VIEW