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.
o
10
R731
22P
C631
USQLS
10K
R713
0.1
C725
D691
L1SS400
0.1
C791
10
C623
100K
R796
L1SS400
D821
0.001
C761
22
R648
22P
C724
J691
MMZ1005B601C
EP691
0.01
C753
SHORT
CP741
MMZ1005B601C
EP774
10K
R831
1K
R726
MPZ2012S601A
EP751
15K
R803
1M
R852
MPZ1608S601A
EP773
0.01
C781
47K
R725
MMZ1005B601C
EP662
0.01
C771
10K
R682
DETAF
15K
R628
1K
R601
0.01
C778
SPS
10K
R722
0.1
C671
L2SA1576AR
Q692
4.7K
R824
330
R751
LRB706F
D622
100P
C752
18K
R727
L2SA1576AR
Q712
10K
R730
470 CE-LX
C741
TPCF8107
Q746
1
2
3
45
6
7
8
ASQLS
LDTA114EE
Q644
100K
R651
0.22
C734
47K
R645
15K
R721
47K
R650
MMZ1005B601C
EP776
LRB706F
D621
100K
R797
0.001
C762
D711
L1SS400
R746
220K
R749
1K
SHORT1005
CP601
18K
R691
MPZ2012S601A
EP752
LDTA114EE
Q645
1.5K
R625
10
C661
1K
R853
10K
R748
0.001
C782
0.01
C773
0.01
C801
AFONS
47K
R685
4.7K
R806
L1SS400
D801
47K
R646
1M
R626
100K
R715
100
R791
47K
R851
PCM2901E
IC661
1
D+
2
D-
3
VBUS
4
DGNDU
5
HID0
6
HID1
7
HID2
8
SEL0
9
SEL1
10
VCCC
11
AGNDC
12
VINL
13
VINR
14
VCOM
15
VOUTR
16
VOUTL
17
VCCP1
18
AGNDP
19
VCCP2
20
XTO
21
XTI
22
AGNDX
23
VCCX
24
TEST0
25
TEST1
26
DGND
27
VDD
28
SSPND
HTRAS
SN74AHC1G32DCK
IC662
1
A
2
B
3
GND
4
Y
5
VCC
USKI
MMZ1005B601C
EP783
33U
L732
Q747
RUE002N02
10
C673
470 CE-LX
C751
15K
R627
10K
R804
UCLKS
27
R621
100K
R652
LDTC143ZE
Q643
TC7S66FU
IC681
1
2
3
4
5
H3R3V
MMZ1005B601C
EP781
47K
R649
1
C642
MPZ1608S601A
EP771
NJM2904CRB1
IC791 V+
8
GND
4
22
R647
0.1
C662
0.001
C763
10K
R681
47K
R714
0.22
C735
LDTC143ZE
Q642
MMZ1005B601C
EP780
4.7K
R642
MMZ1005B601C
EP601
12K
R693
MICI
H4V
27P
C627
100K
R716
22P
C632
1K
R843
BANV
0.1
C701
0.01
C776
CTXD
0.1
C681
0.1
C695
27
R622
UDTXD
1.5K
R624
R747
220K
8V
1M
R661
MMZ1005B601C
EP782
18K
R711
LDTC143ZE
Q661
USSENI
2.2K
R733
CRXD/CBSY
UDRXD/UDBSY
10K
R643
MMZ1005B601C
EP641
1
C641
10
C667
10K
R692
47K
R696
10
C666
15K
R632
J752
1
2
34
0.001
C764
22
R717
22
R653
10
C668
SHORT1005
CP691
AAF
0.0033
C728
AMOD
10
C674
27
R633
1
C612
MICE
10K
R644
390P
C731
100K
R798
TC7W66FU
IC691
1
2
3
4
5
6
7
8
0.1
C733
CP2102GMR
IC641
1
DCD
2
RI
3
GND
4
D+
5
D-
6
VDD
7
REGIN
8
VBUS
9
RST
10
NC
11
SUSPEND
12
SUSPEND
13
NC
14
NC
15
NC
16
NC
17
NC
18
NC
19
NC
20
NC
21
NC
22
NC
23
CTS
24
RTS
25
RXD
26
TXD
27
DSR
28
DTR
MMZ1005B601C
EP779
1
C675
SHORT1005
CP602
68U
L721
J771
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
150
R801
UMOD
MPZ1608S601A
EP761
3R3V
27
R631
SHORT
CP772
1.5K
R635
SHORT1005
CP712
10
R732
15K
R634
SHORT1005
CP692
VBUS
L2SC4081
Q821
47K
R842
1
C746
47K
R841
27P
C624
33K
R805
MPZ1608S601A
EP762
MMZ1005B601C
EP661
MPZ1608S601A
EP764
L1SS400
D722
LDTC143ZE
Q852
27
R630
22
R654
MP7741
IC721
1
PIN
2
NIN
3
Timer
4
AGND
5
EN
6
UVP
7
VDD
8
BS
9
SW
10
PGND
11
22
R718
MPZ1608S601A
EP621
10
C672
2.2
C611
LRB706F
D841
NJM2904CRB1
IC791
6
5
7
10K
R664
470
R799
XC6209F332MR
IC611
1
VIN
2
VSS
3
CE
4
NC
5
VOUT
MPZ1608S601A
EP763
LDTA114EE
Q851
0.1
C747
USSPD
0.01
C780
0.01
C779
2.2
C727
27P
C670
0.1
C669
TCON
22P
C628
RTKI
3.3
R724
HSENI
10
C683
SHORT1005
CP693
0.01
C774
33K
R823
0.001
C604
J601
1
2
3
4
10K
R641
5V
0.1
C626
10
C682
15K
R822
ESTA
EKEY
0.1
C630
100K
R684
LDTC143ZE
Q641
33U
L731
0.01
C783
LDTA114EE
Q801
DZ2J062M0
D721
0.1
C625
0.1
C676
10
C663
10
C665
4.7K
R687
2.2
C812
L2SC4081
Q802
L2SC4081
Q711
EALC
MPZ2012S601A
EP778
0.47
C732
10P
C693
47K
R694
0.01
C775
J751
TUSB2046BIVFR
IC621
1
DP0
2
DM0
3
VCC
4
RESET
5
EECLK
6
EEDATA/GANGED
7
GND
8
BUSPWR
9
PWRON1
10
OVRCUR1
11
DM1
12
DP1
13
PWRON2
14
OVRCUR2
15
DM2
16
DP2
17
PWRON3
18
OVRCUR3
19
DM3
20
DP3
21
PWRON4
22
OVRCUR4
23
DM4
24
DP4
25
VCC
26
EXTMEM
27
TSTPLL/48MCLK
28
GND
29
XTAL2
30
XTAL1
31
TSTMODE
32
SUSPND
NJM2904CRB1
IC791
2
3
1
LRB706F
D851
LDTC143ZE
Q831
SHORT1005
CP711
470 CE-LX
C721
4.7K
R821
2.2
C811
L2SC4081
Q691
12K
R712
10
C726
100K
R623
22P
C629
1M
R663
0.1
C643
UPWS
0.01
C754
3.3
R723
4.7K
R802
J761
1
2
3
4
5
6
27P
C664
27K
R729
100K
R683
DSC7004S0
Q803
2.2
C723
27
R629
MMZ1005B601C
EP775
100K
R695
14V
KEY
START
47K
R750
CP06S
CP621
CP06S
CP622
100
R795
74VHC04FT
IC701
V+
14
GND
7
74VHC04FT
IC701
1
2
74VHC04FT
IC701
9
8
74VHC04FT
IC701
3
4
74VHC04FT
IC701
11
10
74VHC04FT
IC701
13
12
74VHC04FT
IC701
5
6
1
C722
1K
R662
CR-1020
X661
470 CE-LX
C720
CR-1019
X621
100K
R790
100K
R792
120K
R794
82K
R793
4.7K
R812
2.7K
R811
1K
R761
2.2K
R686
3765
MP721
1
2
3
4
5
6
7
8
TCON
ESTA
UPWS
UCLKS
UDTXD
USKI
UDRXD/UDBSY
USSENI
USSPD
CRXD/CBSY
HSENI
ASQLS
USQLS
UDRXD/UDBSY
HTRAS
UPWS
5V
CTXD
VBUS
SPS
BANV
UDTXD
HSENI
USKI
USSPD
EALC
EALC
ESTA
BANV
TCON
HTRAS
EKEY
ASQLS
USQLS
RTKI
VBUS
USSENI
RTKI
UCLKS
SPS
EKEY
START
START
KEY
CTXD
CRXD/CBSY
14V
14V
USB+
USB3R3V
USB3R3V
USB-
[EXT-SP]
[ACC]
[USB]
[REMOTE]
CIV
14V
CIVE
MICI
MICE
PHO
PHE
MAIN-4
MAIN-2
MAIN-1
MAIN-1
MAIN UNIT (MAIN-3)
