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.
i
MAIN-3
MAIN-1
MAIN-4
MAIN-1
USSENI
EKEY
H3R3V
H3R3V
ESTA
47K
R435
0.01
C456
DRESH
L1SS400
D381
47K
R434
0.01
C458
PSTB
ML414HIV01E
BT381
0.01
C457
DSTB
4.7K
R383
47K
R433
22K
R363
10K
R302
H1R18V
MSTB2
47K
R385
1K
R431
10K
R313
MPZ1608S601A
EP301
MSTB1
4.7K
R384
10K
R303
MPZ1608S601A
EP302
MCK
LRB706F
D431
47K
R502
10K
R304
10K
R491
0.1
C342
MDAT
47K
R504
10K
R312
0.1
C341
47K
R442
SKYS_
LCD_R3
47K
R305
1K
R453
0.1
C340
3R3V
H3R3V
LCD_G2
1K
R451
0.1
C339
SD_D0
3.3K
R382
DSHK_
LCD_B5
0.1
C338
SD_D1
1
C383
LRB706F
D432
LCD_B6
47K
R308
0.1
C337
SD_D2
H3R3V
LCD_R4
47K
R309
3R3V
0.1
C336
SD_D3
1K
R432
LCD_G5
47K
R310
47K
R361
0.1
C335
SD_CMD
LCD_G4
0.1
C328
H3R3V
0.1
C334
SD_CLK
0.1
C343
TXS
LCD_R6
10K
R311
47K
R439
0.1
C331
SD_CD
0.1
C344
HSENI
LCD_R5
H3R3V
0.1
C330
SD_WP
0.1
C345
RTKI
LCD_G6
0.1
C327
DX_REC
0.1
C346
UCLKS
LCD_B3
10K
R315
1K
R455
0.1
C326
DX_FMT
SDPWS
0.1
C333
USSPD
LCD_R7
4.7K
R456
0.1
C324
BCLK__
PWRS
0.1
C332
LCD_B4
HV
0.1
C322
FRM__
FRES
0.1
C329
0.1
C372
CTXD
LCD_G3
10K
R441
0.1
C319
DSPCK
LTXD
0.1
C325
VBUS
LCD_G7
3R3V
0.1
C317
DSPX
LRXD
0.1
C323
H3R3V
CRXD/CBSY
LCD_B7
0.1
C316
DR_RSV
PWRK
0.1
C321
10K
R371
UDRXD/UDBSY
LCD_ON
0.1
C391
0.1
C313
DR_AF
0.1
C320
H3R3V
UPWS
LCD_HS
FORL_
IMPI
0.1
C302
DRESD
0.1
C318
USKI
LCD_VS
H3R3V
ALCL_
PHASEI
0.1
C303
DCSR
0.1
C315
UDTXD
LCD_DE
10
C301
REFL_
TCLK
0.1
C305
DCSX
0.01
C452
LCD_CLK
10
C312
IDL_
TDAT
0.1
C306
FPDX
LRB706F
D454
THML_
0.1
C307
DSPR
56K
R362
0.01
C451
SWRL_
0.1
C308
RTD
5.6K
R314
0.1
C351
TPWRL_
0.1
C309
FRWT
LRB706F
D458
47K
R401
47K
R438
47K
R452
0.1
C310
HSK1
4.7K
R351
LRB706F
D451
100K
R492
3R3V
1K
R454
0.1
C311
HSK0
R7S721000VCFP
IC301
1
P6_5
2
P6_6
3
P6_7
4
Vcc
5
P6_8
6
Vss
7
P6_9
8
PVcc
9
P6_10
10
P6_11
11
P6_12
12
P6_13
13
P6_14
14
P6_15
15
P7_0
16
Vss
17
P7_1
18
Vcc
19
P7_2
20
Vss
21
P7_3
22
PVcc
23
P7_4
24
P7_5
25
P7_6
26
P7_7
27
P7_8
28
P7_9
29
Vcc
30
P7_10
31
Vss
32
P7_11
33
Vcc
34
P7_12
35
Vss
36
P7_13
37
PVcc
38
P7_14
39
P7_15
40
P8_0
41
P8_1
42
P8_2
43
P8_3
44
P8_4
45
P8_5
46
PVcc
47
P8_6
48
Vss
49
CKIO
50
Vcc
51
P8_7
52
Vss
53
Vss
54
P8_8
55
P8_9
56
P8_10
57
P8_11
58
P8_12
59
P8_13
60
PVcc
61
P8_14
62
Vss
63
P8_15
64
Vcc
65
P9_0
66
P9_1
67
P3_7
68
P3_6
69
P3_5
70
P3_4
71
P3_3
72
P3_2
73
PVcc
74
P3_1
75
Vss
76
P3_0
77
RES
78
NMI
79
PVcc
80
RTC_X1
81
RTC_X2
82
Vss
83
Vss
84
P0_4
85
P0_5
86
Vcc
87
USBDPVcc
88
USBDPVss
89
DM1
90
DP1
91
VBUS1
92
USBDVcc
93
USBDVss
94
USBDPVcc
95
USBDPVss
96
DM0
97
DP0
98
VBUS0
99
USBDVcc
100
USBDVss
101
REFRIN
102
USBAPVss
103
USBAPVcc
104
USBAVcc
105
USBAVss
106
USBUVcc
107
USBUVss
108
USB_X1
109
USB_X2
110
P0_0
111
Vss
112
EXTAL
113
XTAL
114
PLLVcc
115
PVcc
116
P0_1
117
Vss
118
P1_8
119
AVcc
120
AVss
121
AVref
122
P1_9
123
P1_10
124
P1_11
125
P1_12
126
P1_13
127
P1_14
128
P1_15
129
BSCANP
130
VIDEO_X1
131
VIDEO_X2
132
Vss
133
AUDIO_X1
134
AUDIO_X2
135
PVcc
136
P3_8
137
Vss
138
P3_9
139
Vcc
140
TRST
141
JP0_1
142
JP0_0
143
TMS
144
TCK
145
P3_10
146
P3_11
147
PVcc
148
P3_12
149
Vss
150
P3_13
151
Vcc
152
P3_14
153
P3_15
154
Vss
155
P4_0
156
P4_1
157
P4_2
158
P4_3
159
PVcc
160
P4_4
161
Vss
162
P4_5
163
Vcc
164
P4_6
165
P4_7
166
P2_0
167
P2_1
168
P4_8
169
P4_9
170
P4_10
171
P4_11
172
PVcc
173
P4_12
174
Vss
175
P4_13
176
Vcc
177
P4_14
178
P4_15
179
P2_2
180
P2_3
181
P2_4
182
P2_5
183
P2_6
184
PVcc
185
P2_7
186
P2_8
187
Vss
188
P2_9
189
Vcc
190
P2_10
191
P2_11
192
Vss
193
P2_12
194
P2_13
195
P2_14
196
P2_15
197
P1_0
198
P1_1
199
P1_2
200
P1_3
201
P1_4
202
P1_5
203
P1_6
204
P1_7
205
P0_2
206
PVcc
207
Vss
208
VIN1A
209
VIN2A
210
VDAVcc
211
VDAVss
212
REXT
213
VRP
214
VRM
215
VIN1B
216
VIN2B
217
PVcc
218
Vss
219
Vcc
220
Vss
221
LVDSAPVss
222
LVDSREFRIN
223
LVDSAPVcc
224
P5_0
225
LVDSAPVss
226
P5_1
227
P5_2
228
LVDSAPVcc
229
P5_3
230
P5_4
231
LVDSAPVss
232
P5_5
233
P5_6
234
LVDSAPVcc
235
P5_7
236
LVDSPLLVcc
237
Vss
238
Vss
239
PVcc
240
P5_8
241
P5_9
242
P5_10
243
P9_2
244
P9_3
245
P9_4
246
P9_5
247
P9_6
248
P9_7
249
P0_3
250
Vss
251
PVcc
252
P6_0
253
P6_1
254
P6_2
255
P6_3
256
P6_4
3R3V
0.1
C314
FPSX
LRB706F
D456
TSTB1
0.1
C304
FPSR
H3R3V
TSTB2
47K
R506
SCPCK
LRB706F
D453
TSTB3
3R3V
SCPSS
0.01
C453
LRB706F
D457
TSTB4
47K
R437
SCPR
LRB706F
D452
HV
4.7K
R352
SCPX
TOE
0.01
C455
LRB706F
D455
TCON
J491
1
2
3
4
5
6
7
8
9
10
0.01
C454
H1R18V H3R3V
HV
HV
H3R3V
H1R18V
3R3V
3R3V
3R3V
10K
R493
LS37J2
S371
MMZ1005B601C
EP391
MMZ1005B601C
EP351
0.068
C371
0.33
C361
68K
R372
NJU7704F3
IC361
1
CD
2
VSS
3
MR
4
VOUT
5
VDD
NJU7704F3
IC371
1
CD
2
VSS
3
MR
4
VOUT
5
VDD
0.1
C362
47K
R391
47K
R392
H3R3V
100K
R507
100K
R508
100K
R505
100K
R501
100K
R503
MMZ1005B601C
EP303
MMZ1005B601C
EP304
GT24C128B
IC351
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
470
R317
15P
C347
15P
C348
CR-1017
X301
220P
C413
220P
C416
220P
C414
220P
C415
220P
C418
220P
C411
220P
C412
220P
C419
220P
C420
220P
C421
220P
C408
220P
C404
220P
C401
220P
C403
220P
C409
220P
C407
220P
C410
220P
C405
220P
C402
220P
C406
22
R511
22
R512
22P
C461
100P
C462
100P
C463
100P
C464
5.6K
R373
RX-8803LC
IC381
1
N.C.
2
FOE
3
VDD
4
FOUT
5
SCL
6
T1(CE)
7
N.C.
8
SDA
9
T2(Vpp)
10
GND
11
INT
12
EVIN
EN25Q64
IC391
1
CS
2
DO(DQ1)
3
WP(DQ2)
4
VSS
5
DI(DQ0)
6
CLK
7
NC(DQ3)
8
VCC
UCLKS
FRM_
CRXD/CBSY
DX_REC
CTXD
DR_AF
VBUS
DRESD
ESTA
DSHK
SCPSS
EKEY
SKYS
PWRS
FPSX
RTKI
SDPWS
HSENI
PDV
LCD_CLK
LCD_VS
LCD_B3
LCD_HS
LCD_DE
BCLK_
FRM_
DX_FMT
IMR2
DR_RSV
LCD_B4
LCD_B5
LCD_B6
RESET
RESET
RTD
LCD_B7
VBUS
TCK
LCD_G2
CRXD/CBSY
FPSR
TMS
LCD_G3
CTXD
TRST
LCD_G4
USSENI
HSK0
TDO
LCD_G5
USKI
HSK1
TDI
LCD_G6
USSPD
LCD_G7
FRWT
SFLD3
LCD_R3
UDRXD/UDBSY
SFLD2
LCD_R4
UDTXD
SD_WP
SFLD1
LCD_R5
SD_CD
UPWS
SFLD0
LCD_R6
SD_CLK
UCLKS
SFLSS
LCD_R7
SD_CMD
RTKI
SFLCK
SD_D3
HSENI
SD_CD
SD_D2
TXS
RXS
SD_WP
SD_D1
RXS
TXS
SD_D1
SD_D0
SD_D0
HSK0
SD_CLK
DRESH
SD_CMD
MDAT
SD_D3
MCK
SD_D2
DSPR
MSTB1
DSHK
MSTB2
DSPX
DSTB
SKYS
FPDX
PSTB
DCSX
DCSR
VDL
EKEY
IDL
ESTA
DSPCK
THML
TCON
FORL
IMR0
REFL
IMR1
SCPR
ALCL
IMR2
DR_AF
TPWRL
SCPX
SWRL
LRXD
DR_RSV
SCPCK
LTXD
DX_FMT
FRES
PWRK
DX_REC
DRESD
TSTB1
TSTB2
PHASEI
TOE
IMPI
DSPCK
DSPR
DSPX
HSK1
THML
FRWT
LRXD
IDL
LTXD
PWRS
ALCL
REFL
FORL
FPSR
FPSX
TOE
DCSR
DCSX
PHASEI
FPDX
TSTB4
IMPI
RTD
TSTB3
TSTB2
TSTB1
TDAT
TCLK
TSTB4
TSTB3
TDAT
TCLK
USKI
VDL
USSENI
PWRK
EDT
ECK
SDPWS
EDT
ECK
FRES
TCON
TRST
USSPD
RTC_IRQ
RTC_SCL
RTC_SDA
TDI
MDAT
MCK
MSTB1
MSTB2
LCD_ON
DSTB
UPWS
PSTB
UDRXD/UDBSY
DRESH
UDTXD
BCLK_
TCK
PDV
RESET
SFLSS
SFLD1
SFLD2
SFLD3
SFLCK
SFLD0
FRM_
TDO
TMS
TPWRL
SWRL
CRXD/CBSY
UDRXD/UDBSY
LCD_G2
LCD_B7
LCD_B6
LCD_B5
LCD_B4
LCD_B3
LCD_ON
LCD_CLK
LCD_VS
LCD_HS
LCD_DE
LCD_R7
LCD_R6
LCD_R5
LCD_R4
LCD_R3
LCD_G7
LCD_G6
LCD_G5
LCD_G4
LCD_G3
BCLK_
SCPSS
SCPR
SCPX
SCPCK
RTC_SCL
RTC_SDA
RTC_IRQ
IMR1
IMR0
MAIN UNIT (MAIN-2)
