SCHEMATIC DIAGRAMS
To upgrade quality, some components may be
subject to change without notice.
A-7290-3EX-
w
Printed in Japan
© 2015–2016 Icom Inc.
!0
MAIN UNIT (MAIN-4)
FPX_DET
0.1
C921
4.7K
R915
10
C991
DFR_MOD
0.1
C998
220
R1022
MPZ1608S601A
EP905
0.1
C1006
TC7W53FK
IC1003
1
COM
2
INH
3
VEE
4
GND
5
A
6
CH1
7
CH0
8
VCC
AAF
0.1
C945
DFX_DET
0.1
C942
4.7K
R914
MPZ1608S601A
EP1002
FPR_MOD
22
R1002
4.7K
R1015
0.1
C949
DETAF
10K
R980
/FPCAL
0.1
C929
STAT
18K
R933
47K
R1018
2.2
C1016
22
R930
MPZ1608S601A
EP971
3R3V
47K
R926
22
R906
FRM
18K
R916
0.1
C906
MPZ1608S601A
EP1001
DONE
100
R1003
TS462CPT
IC1002
6
5
7
0.1
C905
1R2V
100
R982
0.1
C950
47 F93
C918
BCLK
47 F93
C954
FPRES
100
R1000
120P
C1012
XC6209F502MR
IC961
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
0.1
C976
0.01
C916
MCLK
47K
R1016
CFG
100
R999
SHORT1005
CP1001
TMS320C6745DPTPA3
IC901
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
PCM1754DBQ
IC991
1
BCK
2
DATA
3
LRCK
4
DGND
5
NC
6
VCC
7
VOUTL
8
VOUTR
9
AGND
10
VCOM
11
ZEROA
12
TEST
13
DEMP
14
MUTE
15
FMT
16
SCK
MPZ1608S601A
EP906
NJM2904CRB1
IC972
V+
8
GND
4
47 F93
C902
DR_RSV
0.1
C947
0.1
C933
100
R977
0
R1020
2.2
C962
0.1
C913
DR_AF
0.1
C946
47 F93
C936
0.1
C915
10
C1018
0.1
C923
0.1
C909
3.9K
R998
SHORT
CP902
8V
DRESD
0.1
C952
LDTC143ZE
Q1001
L2SC4081
Q972
0.1
C1019
12K
R996
SHORT
CP901
MPZ2012S601A
EP901
MPZ1608S601A
EP904
DX_FMT
0.1
C922
0.1
C944
AGCV
470 CE-LX
C1017
0.1
C935
820P
C1000
100
R925
0.1
C919
0.1
C910
DX_REC
47 F93
C903
22
R908
10K
R981
68K
R1012
2.2
C961
0.0033
C996
0.1
C1005
100
R924
0.1
C941
HSK0
0.1
C997
2.2
C1010
3.9K
R994
18K
R913
22
R971
22
R905
HSK1
100K
R975
100
R922
0.1
C931
10
C971
CP06S
CP971
RTD
1K
R902
0.1
C938
0.1
C943
150P
C975
PCM1754DBQ
IC971
1
BCK
2
DATA
3
LRCK
4
DGND
5
NC
6
VCC
7
VOUTL
8
VOUTR
9
AGND
10
VCOM
11
ZEROA
12
TEST
13
DEMP
14
MUTE
15
FMT
16
SCK
0.1
C992
1M
R901
MICE
TS462CPT
IC992
V+
8
GND
4
22
R921
1K
R935
FRWT
22
R909
0.1
C912
0.1
C927
100K
R974
10
C973
10
C994
0.1
C928
DSPCK
0.1
C930
10
C1009
10K
R1013
10
C1007
0.1
C934
0.1
C1014
47 F93
C939
0.1
C932
4.7K
R912
DCSX
1K
R932
0.1
C972
4.7K
R917
100
R992
TS462CPT
IC1002
V+
8
GND
4
22
R923
0.1
C953
47 F93
C917
0.1
C924
DCSR
0.1
C925
0.1
C914
100
R976
10
C993
MPZ1608S601A
EP991
0.1
C920
10
C1004
22
R991
UMOD
22
R929
100K
R972
DSPR
0.1
C907
22
R927
0.1
C911
220P
C1013
1K
R1021
0.1
C951
0.1
C1003
AMOD
MPZ2012S601A
EP902
150P
C974
DSPX
MAIN-2
MAIN-6
0.1
C948
0.1
C908
47 F93
C937
47K
R1017
0.1
C940
TS462CPT
IC1002
2
3
1
UMODS
100K
R973
/CAL
0.1
C926
FPX_AGC
MICI
10
C1008
10
C1002
10
C1001
L2SC4081
Q971
22
R907
DFX_AGC
SPCK
SPDO
EN25QH32A
IC902
1
CS
2
DO(DQ1)
3
WP(DQ2)
4
VSS
5
DI(DQ0)
6
CLK
7
HOLD(DQ3)
8
VCC
PCM1802DBR
IC1001
1
VINL
2
VINR
3
VREF1
4
VREF2
5
VCC
6
AGND
7
PDWN
8
BYPAS
9
FSYNC
10
LRCK
11
BCK
12
DOUT
13
DGND
14
VDD
15
SCKI
16
OSR
17
FMT0
18
FMT1
19
MODE0
20
MODE1
0.1
C977
100
R928
NJM2904CRB1
IC972
6
5
7
NJM2904CRB1
IC972
2
3
1
TS462CPT
IC992
6
5
7
TS462CPT
IC992
2
3
1
22
R1001
10
C1015
10
C1020
1.2K
R1009
4.7K
R1007
10K
R1010
18K
R1005
100K
R979
100P
C955
14V
47P
C1023
47P
C1022
47P
C1021
47P
C1025
47P
C1024
CP1002
820
R993
4.7K
R995
8.2K
R997
0.0033
C995
18K
R1006
47K
R1004
12K
R1008
2.2
C1011
CR-1021
X901
RSSI
J901
1
2
3
4
5
6
7
8
9
10
22P
C901
22P
C904
4.7K
R910
15K
R1011
18K
R1019
150P
C999
39K
R978
MPZ1608S601A
EP1003
3R3VA
0.1
C981
BCLK__
FRM__
/FPCAL
HSK0
HSK1
DRESD
FRM
DSPCK
FRWT
BCLK
MCLK
FPR_MOD
FPX_DET
DCSX
FPX_AGC
FPRES
STAT
CFG
/CAL
DONE
DFX_AGC
DFX_DET
DFR_MOD
DCSR
STAT
FPRES
FPX_DET
FPR_MOD
DSPX
DX_FMT
DR_RSV
DFX_DET
DONE
DFX_AGC
DSPR
/CAL
DFR_MOD
FPX_AGC
BCLK
MCLK
BCLK
FRM
MCLK
BCLK
FRM
MCLK
AD5V
AD5V
AD5V
CFG
SPCK
DRESD
SPDI
SPDO
DR_RSV
SPCS
DX_FMT
DR_AF
DX_REC
DR_AF
DRESD
DX_REC
HSK0
HSK1
RTD
FRWT
1R2V
RTD
SPDO
SPCK
/FPCAL
FRM
DSPCK
DCSX
DCSR
DSPR
DSPX
RSSI
RSSI
SPDI
SPCK
SPDO
SPCS
BCLK__
FRM__
FRM__
BCLK__
3R3VA
5V
14V
MAIN-6
MAIN-3
MAIN-5
MAIN-3
MAIN-1
