Icom IC-M302

11 - 2
11-2 MAIN UNIT
C100
0.1
R71
47
WXDEC
C96
0.1
C97
0.047
C99
0.033
IC3 NJM2211M
1
V+
2
IN
3
LOCK
4
GND
5
Q
6
Q
DATA FSK
9
NC
10
REF
11
LOOP
12
R
13
CAP
14
CAP
C95
10
C103 0.22
R73
47 k
7
8
C101
0.0022
R72
470 k
R75 39 k
R74
100 k
R78
2.2 k
C82
0.1
R53
100 k
C83
0.0068
R55
10 k
R56
10 k
R57
10 k
R58
10 k
R8
R5
R8 R5
C84
470 P
R42
470
R41
68 k
IC1
TA31136FN
1
OSCIN
2
OSCOUT
3
MIXOUT
4
VCC
5
IFIN
6
DEC
7
FILOUT
8
FILIN
9
AFOUT
10
QUAD
11
IFOUT
12
RSSI
13
N-DET
14
N-REC
15
GND
16
MIXIN
C85
0.01
CP2
IC2
NJM13403V
2
3
R5
R5
R8
C65
0.001
C64
0.001
C63
0.1
Q5
2SC4116 BL
R65 150 k
R62
15 k
R63 1 k
R66 2.7 k
C88 0.1
C93
0.22
R43
1 k
C75 0.1
C102
0.01
R44
390
C90
0.022
X1
CDB450C24
C92
10
C61
0.047
R61
15 k
D9
1SS321
C91
0.022
R76
15 k
C67
100 P
C68
10
R67 390
R64
470 k
R45
10 k
C89
0.1
R46 1.5 k
SQLV
DSCDEC
WXDEC
DETO SQLI
C77
0.001
C72
0.1
C70
0.001
C76
0.1
R47
NTCG16 4LH 223KT1
R48
48 k
R51
1.5 k
R49 1 k
C71
0.01
R50
270 k
FI3
ALFY450E
IO
C73
220P
C74
220P
VBIAS SQL
R5 R5
R5R5
R5
R5
SQLC
C48
10 P
C60
0.01
C44
0.001
R25
1.5 M
R36
1.5 k
R35 1.2 k
C46
0.001
R28
10 k
R27
22 k
C47
56 P
R31
10
R33
1.2 k
R38
2.2 k
C59
0.001
C49
0.001
R34
1.2 k
C55
5 P
C50
0.1
C51
0.01
R32
6.8 k
FI2
FL–363
FI1
FL–363
C42
2 P
L12
68 nH
L13
68 nH
R37
470
C80
0.001
R8
C32
3 P
L7
LS–440
L8
LS–440
C19
0.001
R12 100 k
C21
3 P
C36
0.001
R26
47 k
C22
10 P
C26
10 P
Q2
3SK131 L
Q4
2SC4215 O
C25
2 P
C30
2 P
C24
3 P
D5
1SV214
C31
10 P
C23
0.001
C20
0.1
C28
0.1
R21
100
R16
100 k
R14
100 k
D6
1SV214
C29
0.5 P
R10
33
L9
LS–440
D7
1SV214
C34
4 P
C12
8 P
D4
1SV214
C17
0.1
R5
39 k
C13
10 P
C14
10 P
R6
47 k
L6
LS–440
C16
0.001
Q1
3SK131 L
C18
0.01
R9
100 k
R4
100 k
R8
1
C15
5 P
R7
560
H/L
C173
0.001
C172
0.001
R132
2.2 k
L1
LA–243
C8
22 P
R133
100 k
C171
18 P
C5
18 P
C7
27 P
L2
LA–243
C6
0.001
D21
HSM88ASR
R131
2.2 k
C177
0.01
D22
HSM88ASR
D1
XB15A308
C174
5 P
R130
68
C175
0.001
C4
4 P
C3
27 P
L32
LW–25
D2
XB15A308
L31
LA–253
L3
LA–243
CP3
VCC1 VCC2 OUT
IC4
S–AV35
IN
C145
0.001
Q18
2SC4226 R25
C151
0.001
C154
0.001
R123
1 k
R116
1 k
R122
10
R126
220 k
C147
47 P
R124
150
C162
0.001
C35
470 P
C149
22 P
C146
0.001
R117 100
C152
3 P
C153
47 P
C156
22 P
C148
0.001
C161
10
R127
470
BPF
C180
0.001
R135 470
R144
4.7 k
C183
0.01
C185
0.001
C166
0.001
R141
3.3 k
Q23 2SA1577 Q
C178
0.001
C167
22
Q21
FMW1
1
3 4 5
R138
10 k
R137
100
C176
0.001
C179
470 P
C181
0.001
C164
470 P
Q22
DTC114EU
R140
10 k
Q20 DTC144EU
C182
470 P
C165
470 P
R139
220
R142
3.9 k
R143
TN10
-
3C471J
R136
18 k
TXDET
TMUTE
H/L
Q17
2SC4215 O
R107
39
Q14
2SC4226 R25
D17
MA77
R91
100
C136
0.001
R109
390
R112
10 k
Q13
2SC4226 R25
R93
8.2 k
R113
47
C129
0.001
R106
1 k
C126
0.001
R96 680
R95
8.2 k
Q16
2SC4215 O
R102
100
C140
47 P
R108
2.2 k
C139
0.001
D16
MA77
R97
68 k
C125
1.5 P
C124
0.001
C128
0.5 P
R111
10 k
C130
0.01
R92
390
R94
180
C127
1.5 P
Q15
2SC4215 O
R110
10
R103
33 k
C135
6 P
C138
22 P
R84
47 k
C120
470 P
C119
0.001
Q11 2SC4116 BL
L22
80 nH
R85
220
C112
0.001
D14
HVC350B
R81
1 k
C115
47 P
C114
0.001
R86
100
R82
1k
C113
0.22
C117 470 k
D12
MA77
R87
33 k
D11
MA77
R88
22 k
R89
100 k
C111
10
Q12
DTC144EU
C116
39 P
D13
HVC350B
R83
560
C121
0.01
MP1
1 2 3 4 5
6
C122
1
J1
30FLT–SM1–TB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
C301
470 P
C304
0.001
C305
0.001
C306
47 P
H/L
SQLC
TXDET
BEEP
BPLVL
WXDEC
RMUTE
DSCDEC
PTTC
RCV
PTT
KEYM
TMUTE
SQL
SP+
DSCENC
BPF
SQLV
HVS
PSTB
PDATA
UNLK
5V
5V
5V
5V
5V
5V
5V
5V
5V
SEND
PCK
SP–
SP–
R5
R5
R8
H/L
SQLC
TXDET
BEEP
BPLVL
WXDEC
RMUTE
DSCDEC
PTTC
RCV
PTT
KEYM
TMUTE
SQL
SP+
DSCENC
BPF
SQLV
HVS
PSTB
PDATA
UNLK
5V
5V
SEND
PCK
SP–
R212
10
C255
0.01
C248
0.1
R211
1 k
Q34
DTC144EU
C257
10 P
C254
2.2
C250
0.001
Q35
2SB1132 R
R203
100
C247
4.7
C303
0.001
C249
0.01
C258
12 P
R225
3.9 k
C279
10
R213
2.2 k
R210 47
R214 330
C302
470 P
C280
470 P
Q36
2SC4116 BL
R226
4.7 k
R215
330
C252
0.047
C278
0.001
C246
0.001
IC8 UPD3140GS–E1
1
VCC1
2
IN1
3
ENB
4
CLK
5
DATA
6
T1
7
LOK
8
CP1
9
FI1
10
FO1
11
FO2
12
FI2
13
CP2
14
GND2
15
XO
16
XI
17
XB
18
VCC2
19
IN2
20
GND1
CP1
R204
ERJ3GE–JPW
C245 22 P
RCV UNLK
UNLK
PDATA
PDATA
R5 R5
R5
SP–
HVS
R8
PCK
PCK
PSTB
PSTB
R8
5V
R5
Q31
2SA1577 Q
R221
10 k
C231
0.1
R188
47
C226
0.1
R189
8.2 k
X2
CR–768
R202 68 k
C229
0.1
IC9 TA7805 S
1
I
2
O
3
G
R179
68 k
R224
2.2 k
C241
5 P
R175
100 k
R216
3.3 k
R181
NTCG16 4BH 103KT
C272
0.1
C273
10
C271
10
R182
4.7 k
C227
10
C236
470 P
C276
10
R177
68 k
C233
0.0039
C274
0.1
R201
470
C277
470 P
C242
0.001
C259
18 P
R223
10 k
R178
68 k
R173
4.7 k
R222
2.2 k
C230
10
C235
0.0027
R176
18 k
C275
0.001
Q33
2SA1577 Q
Q32
DTC144EU
Q26
2SC4215 O
C243
22 P
IC2
NJM13403 V
13
12
14
C244
22 P
C234
100 P
R183
22 k
R190
12 k
R184
47 k
R174
22 k
R180
27 k
R185
27 k
R191
12 k
C232
680 P
SEND
DSCENC
HVS
SP–
T5
5V
5V 5V
5V
5V
5V HVS
HVS
SP–
5V
5V
5V 5V 5V
5V
T5
T5T5
HV
HV
HV
HV
HV
HV
5V
T5 T5T5
R5 R5
VBIAS
C291
470 P
R161
1 M
R169
10 k
R167
2.2 k
C215
0.01
R164
100 k
C220
0.22
R170
100 k
R154
1.2 k
R166
100 k
R163
1 M
C224
68 P
Q25
DTC144EU
C221
0.001
C223
0.0022
R168
220 k
R172
1 M
R157
10 k
R165
2.7 k
C222
0.01
R155
1 M
R162
1 M
C292
470 P
IC2
NJM13403V
6
5
7
IC2
NJM13403V
9
10
8
IC2
NJM13403V
V+
4
GND
11
IC7
TC4W66F
1
2
3
4
5
6
7
8
R171
10 k
BPLVL
DETO PTTC RMUTE
C206
470 P
R156
22 k
C297
470 P
C217
0.001
C299
47 P
D26
DA204K
C202
100 P
C207 0.001
J2
B5B–PH–K–S
to the antenna
connector
1
1
2
2
3
3
4
4
5
5
C201
22 P
R153
15 k
C296
470 P
C203
470 P
C198
100 P
C199
470 P
C214
0.1
C212
0.1
C294
0.001
C211
470
C205
0.001
C208
0.001
C300
47 P
IC6
LA4425A
1
2
3
4
5
C295
47 P
C213
470
C298
0.001
R152 4.7
R151
100
D25
DSA3A1
CP4
CP5
W1
OPC–1264
1
2
3
4
5
6
7
8
C216
1
SQLI
SQLV
KEYM
PTT
BEEP
SP+
HVS
VOL1
VOL2
HVS
VOL1
VOL2
SP–
MIC
5V5V
HVS
GND
SQLI
SQLV
GND
PTT
GND
MIC
MIC
MICG
KEYM
HVHV
1
2
L21
2.7 H
L35
0.1 H
L36
0.1 H
L23
0.1 H
L26
0.1 H
L10
0.82 H
L29
47 nH
L28
47 nH
R68
ERJ3GE-JPW
Voltage line
NOTES :
Common line
TX line
RX line
R: 3.58V
R: 4.27V
R: 7.25VR: 2.30V
R: 0.50V
R: 3.95V
R: 0.23V
R: 2.35V
R: 3.22V
T: 4.72V
Hi Pow: 3.90V
Low Pow: 1.50V
R: 2.07V
4.02V
T: 2.09
T: 4.71
4.30V
4.75V
R: 7.55V
R: 2.12V