![background image](http://html.mh-extra.com/html/icom/ic-910h/ic-910h_service-manual_611499035.webp)
Nov. 2008
34
SQL
DOUT
AF
PTT
DIN
DATA1
(TX/RX)
J1561
L1561
L1562
L1563
L1564
L1565
CP1564
CP1566
CP1565
CP1563
CP1561
C1564
C1565
6
5
4
3
2
1
Q1561
C1561
C1562
C1563
KEY
J1401
R1561
C1401
C1402
OUTM
OUTS
PTT1
SQLM
PA
CP1351
|
CP1364
1 2 3 4 5 6 7 8 9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
J1351
1
4
V
1
4
V
U
T
U
1
5
V
U
P
R
I
U
T
9
V
U
A
T
T
V
U
T
9
P
O
W
S
4
3
P
V
G
N
D
U
R
9
V
R
E
F
F
O
R
V
U
M
S
N
C
2
CP1401
CP1402
+
PA
CP1301
|
CP1306
W
1
2
0
1
W
1
2
0
2
W
1
2
0
3
W
1
2
0
4
W
1
2
0
5
W
1
2
0
6
W
1
2
0
7
1 2 3 4 5 6 7 8 9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
J1301
1 2
J1201
1 2 3 4 5 6 7
P1201
W1206
V
U
T
P
V
T
U
1
1
4
P
V
G
N
D
V
T
9
V
V
R
9
V
V
A
T
T
U
T
U
2
V
P
R
I
B
A
N
D
I
C
L
I
C
H
H
V
G
N
D
V
T
U
2
M
I
C
M
I
C
E
P
H
G
1
4
V
H
V
N
C
1
FRONT
1 2 3 4 5 6 7 8 9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
J1151
1 2 3 4 5
J1251
M
I
U
D
B
E
E
P
O
V
D
V
S
B
S
Y
G
N
D
C
T
C
S
T
O
N
E
C
T
C
M
D
O
T
D
A
S
H
A
T
X
S
S
E
N
D
S
Q
L
S
A
G
R
S
C
E
N
M
C
E
N
S
N
S
Q
M
N
S
Q
S
C
I
V
E
C
I
V
M
S
C
G
N
D
K
D
S
P
T
T
1
D
R
E
S
-
5
V
S
Q
L
M
A
G
R
M
M
S
P
O
S
S
P
O
S
M
L
S
S
M
L
M
FRONT
CP1151
|
CP1164
CP1129
CP1101
|
CP1113
1 2 3 4 5 6 7 8 9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
J1101
5V
DATA
MCK
14V
9V
-5V
R9V
T9V
AGRM
AGFM
AGSM
RFGM
MCKC
MDTC
MAIN-BAND
2355IFM.SCH
-5V
T9V
R9V
AGRM
AGFM
AGSM
1F1M
1F2M
1FTM
NBSM
OPB1
12UL
12DS
12PS
12ST
5V
9V
14V
RFGM
NSQM
CENM
CTCM
OUTM
ALC
MODO
AFM
AF1M
AF2M
SQLM
SSBI
PDAT
12PV
TXS
RXS
1FOR
IFS
KDS
WNCM
DSSW
AFIM
AFIS
SMLM
12TP
DRES
TCWM
PCK
12UP
CP1114
|
CP1127
1
2
3
4
5
6
7
8
IC1101
C1101
M
D
A
T
1
2
U
P
CP1165
|
CP1177
CP1251
|
CP1255
CP1307
|
CP1314
D1301
14V
9V
-5V
5V
MCK
DATA
V
T
U
1
V
T
U
2
U
T
U
1
U
T
U
2
T
E
M
P
1
2
T
P
CP1202
CP1201
R1301
C1301
D1351
R1595
C1522
R1591
R
F
G
M
R
F
G
S
M
I
C
V
A
L
U
D
1
4
4
M
4
3
0
S
REMOTE
6
5
4
3
2
1
Q1571
J1403
R1571
X0 12
X1 13
Y0 2
Y1 1
Z0 5
Z1 3
INH 6
A 11
B 10
C 9
X
14
Y
15
Z
4
.
1
6
.
8
.
7
IC1531
SQLS
A
T
X
S
S
E
N
D
5V
-5V
14V
C
I
V
C
I
V
E
D
O
T
D
A
S
H
D
0
S
T
P
O
C
V
M
I
U
D
V
A
T
T
U
A
T
T
B
A
N
D
C1404
C1572
R1581
Q1581
X0
12
X1
13
Y0
2
Y1
1
Z0
5
Z1
3
INH
6
A
11
B
10
C
9
X 14
Y 15
Z 4
.
1
6
.
8
.
7
IC1551
X0
12
X1
13
Y0
2
Y1
1
Z0
5
Z1
3
INH
6
A
11
B
10
C
9
X 14
Y 15
Z 4
.
1
6
.
8
.
7
IC1552
C1571
SQL
ACC
SQL
SQL
DOUT
AF
PTT
DIN
DATA2
(RX ONLY)
J1571
7
2
4
3
8
1
5
6
J1581
L1571
L1572
L1575
C1575
CP1576
CP1574
CP1575
CP1586 CP1587 CP1588
L1581
L1582
13.8V
AF
MOD
GND
SEND
ALC
R1582
C1582
C1581
Q1582
CP1585
CP1582
CP1584
CP1583
L1586
L1583
L1584
L1585
L1587
C1584
C1551
R1583
C1552
Q1584
Q1583
AAF
D
C
O
N
R
B
D
S
SEND
MOD
A
L
U
D
A
A
F
1
A
A
F
2
D
9
6
S
E
X
T
G
C
W
V
R
C1555
C1583
C1587
C1586
C1585
R1531
C1531
C1521
C1532
R1525
R1526
AALC
9V
VSS
1
AO3
2
AO4
3
AO5
4
AO6
5
AO7
6
AO8
7
AO9
8
AO10
9
VDD
10
VCC 11
AO11 12
AO12 13
DO 14
LD 15
CLK 16
DI 17
AO1 18
AO2 19
GND 20
IC1521
8
9
10
IC1522C
7
6
5
IC1522B
R1592
R1593
14
13
12
IC1522D
R1598
R1597
R1596
R1594
1
2
3
1
1
4
IC1522A
C1523
STR
1
D
2
CLK
3
OE
15
Q1 4
Q2 5
Q3 6
Q4 7
Q5 14
Q6 13
Q7 12
Q8 11
QS 9
QS 10
.
1
6
.
8
IC1491
C1491
R1481
R1491
R1492
R1493
R1494
R1495
R1496
R1524
R1522
R1521
R1523
AALC
D
C
O
N
A
F
1
M
A
F
2
M
A
F
2
S
A
F
1
S
W
N
C
S
M
A
S
T
A
G
S
S
A
G
F
S
N
B
S
S
5V
9V
SSBI
D
S
P
M
D
S
P
S
D
S
S
W
S
T
L
S
STR
1
D
2
CLK
3
OE
15
Q1 4
Q2 5
Q3 6
Q4 7
Q5 14
Q6 13
Q7 12
Q8 11
QS 9
QS 10
.
1
6
.
8
IC1481
C1481
C1471
STR
1
D
2
CLK
3
OE
15
Q1 4
Q2 5
Q3 6
Q4 7
Q5 14
Q6 13
Q7 12
Q8 11
QS 9
QS
10
1
6
8
IC1471
W
N
C
M
A
G
S
M
A
G
F
M
1
F
1
M
1
F
2
M
1
F
T
M
N
B
S
M
T
C
W
M
M
A
S
T
S
U
S
T
1
F
1
S
1
F
2
S
1
F
T
S
C1451
STR
1
D
2
CLK
3
OE
15
Q1 4
Q2 5
Q3 6
Q4 7
Q5 14
Q6 13
Q7 12
Q8 11
QS 9
QS 10
1
6
8
IC1461
C1461
R1461
R1463
R1462
R1465
R1466
R1467
R1468
D
9
6
S
C
W
V
R
C
O
M
S
P
C
O
N
1
4
4
M
1
4
4
S
V
P
R
I
R
B
D
S
4
3
0
M
4
3
0
S
U
P
R
I
E
X
T
G
M
U
T
M
P
H
C
O
M
U
T
S
P
I
F
P
A
S
T
5V
D
R
E
S
STR
1
D
2
CLK
3
OE
15
Q1 4
Q2 5
Q3 6
Q4 7
Q5 14
Q6 13
Q7 12
Q8 11
QS 9
QS 10
.
1
6
.
8
IC1451
P
A
S
T
1F1M
1F2M
1FTM
WNCM
TCWM
NBSM
OPB1
12UL
12DS
12PS
12ST
NSQM
CENM
CTCM
OUTM
12PV
SMLM
DSSW
ALC
AFM
MODO
AF1M
AF2M
SQLM
SSBI
PCK
1FOR
RXS
TXS
KDS
PDAT
12TP
DRES
12UP
C1604
1
2
3
1
1
4
IC1601A
STR
1
D
2
CLK
3
OE
15
Q1 4
Q2 5
Q3 6
Q4 7
Q5 14
Q6 13
Q7 12
Q8 11
QS 9
QS 10
.
1
6
8
IC1511
C1511
R1602
A
L
C
L
S
C
O
N
S
P
S
T
D
P
S
T
P
A
S
T
M
A
S
T
S
U
S
T
D
0
S
T
M
D
A
T
D
1
S
T
D1610
R1620
T
9
V
R1601
R1603
R1604
R1621
D1602
C1603
R1643
R1624
C1601
R1618
R1625
R1605
R1608
R1612
R1614
R1615
8
9
10
IC1601C
14
13
12
IC1601D
R1611
R1616
R1651
R1607
R1609
R1652
C1651
C1677
I
C
H
I
C
L
R
E
F
D1608
R1606
3
2
1
4
8
IC1651A
C1655
R1656
R1659
R1654
C1653
R1649
C1656
R1655
C1652
R1648
C1654
R1650
C1680
R1647
C1678
R1660
T
O
N
E
R1658
R1657
5
6
7
IC1651B
C1659
R1661
R1665
R1667
R1662
C1657
R1686
C1671
C1675
Q1651 R1666
R1664
R1663
C1660
C1658
1
7
5
0
S
S
B
I
R1600
R1701
R1708
R1719
C1702
R1703
R1705
C1724
R1734
R1709
R1706
C1701
R1704
C1704
R1707
C1703
M
I
C
V
C
O
M
S
5
6
7
IC1654B
C1710
C1711
R1717
R1722
R1723
R1725
R1726
R1720
R1724
R1721
C1712
A
V
X
L
V
O
X
L
M
S
P
O
S
S
P
O
C1713
C1714
C1715
C1716
C1717
R1727
R1728
R1730
R1731
R1732
C1720
C1721
C1722
MIC
MICE
C1705
C1708
C1709
R1712
R1713
R1718
R1729
R1733
R1702
R1716
R1681
R1710
C1723
NC
1 CMPI
2 CMPO
3 SWI
4 BU1I
5 BU1O
6 SWO
7 VCAI
8 VCAO
9 VCAC
10 SWC
11 VCC
12
NC 13
AVI 14
AVO 15
MUTE 16
VOXO 17
VOXI 18
BU2O 19
BU2I 20
AMPO 21
AMP- 22
AMP+ 23
GND 24
IC1701
D1701
R1714
R1735
R1715
C1707 R1711
C1670
R1678
X0 12
X1 13
Y0 2
Y1 1
Z0 5
Z1 3
INH 6
A 11
B 10
C 9
X
14
Y
15
Z
4
.
1
6
.
8
.
7
IC1653
R1679
C1666
R1691
R1692
C1668
C1674
R1685
8
9
10
IC1652C
D1652
C1669
R1677
R1690
R1682
R1689
R1680
3
2
1
4
8
IC1654A
C1667
R1671
C1663
R1673
R1668
1
2
3
1
1
4
IC1652A
R1653
C1664
R1675
14
13
12
IC1807D
C1665
R1674
R1672
R1676
R1613
C1662
D1605
R1638
R1637
C1605
CP1631
D1606
R1636
R1639
D1609
R1693
7
6
5
IC1601B
R1622
R1627
R1630
R1634
R1629
D1603
D1601
R1645
C1602
C1631
R1633
R1631
R1515
R1516
R1517
R1518
R1513
R1514
R1512
SUB-BAND
2355IFS.SCH
144M
430M
144S
430S
TXS
RXS
VR9V
UR9V
VUT9
VT9V
UT9V
T9V
R9V
CENS
CTCS
NSQS
AGRS
AGFS
AGSS
NBSS
1F1S
1F2S
1FTS
OUTS
RFGS
SQLS
5V
9V
14V
-5V
IFS
AF1S
AF2S
SMLS
AFS
AFIM
WNCS
DSSW
AFRP
AFIS
14V
AFS
IFS
AFIM
AFIS
AFIM
AFIS
MCK
9V
5V
-5V
144M
430M
144S
430S
TXS
RXS
VR9V
UR9V
IFS
AFRP
1
2
3
4
5
6
J1751
OPT
U
T
-
1
0
6
R1776
R1802
R1774
R1775
R1773
R1771
R1772
1
2
3
4
5
6
7
8
9
10
J1771
R1801
D
R
E
S
I
N
T
M
D
P
S
T
D
S
P
M
S
B
S
Y
5V
9V
MCK
DATA
-5V
14V
D
S
P
S
I
N
T
S
MDTC
MCKC
CP1803
UT-102
1
2
3
4
5
6
7
8
J1801
C1803
BUSY
GND
SPCE
SPCH
S
P
S
T
CP1805
CP1801
CP1802
CP1804
R1814
R1815
C1872
1
2
3
1
1
4
IC1807A
C1833
R1872
R1871
R1834
R1874
R1835
C1832
R1875
1
F
O
R
F
O
R
L
1
4
4
M
P
O
C
V
F
O
R
S
I
V
R
D1607
R1818
R1823
R1688
C1836
R1821
R1822
C1873
C1874
O
V
D
V
M
O
D
I
5V
-5V
14V
9V
D1821
D1822
C1821
C1676
C1672
14
13
12
IC1652D
R1840
R1844
R1848
C1838
R1847
C1837
-
5
V
S
I
V
R
1
F
T
M
C
W
V
R
E
T
O
T
C1718
C1719
12 345 67 8910 1
1
1
2
IC1852
C1825
C1706
P
I
F
S
I
K
O
S
I
T
N
C1867
R1897
R1898
C1880
D1851
RL1851
L1852
PHCO
M
S
P
O
S
S
P
O
P
H
G
L1851
Q1855
R1700
INT-SP
MAIN-SP
SUB-SP
L1853
J1851
J1852
C1865
L1854
1
2
3
4
J1853
INSP
C1870
C1864
C1881
MP1851
EXSPM
INSPM
EXSPS
INSPS
GND
GND
SP
SPE
R1869
R1866
C1859
C1860
C1861
C1862
C1863
C1827
X0
12
X1
13
Y0
2
Y1
1
Z0
5
Z1
3
INH
6
A
11
B
10
C
9
X 14
Y 15
Z 4
.
1
6
.
8
.
7
IC1806
R1864
R1838
R1839
R1862
R1865
C1856
C1858
C1855
M
U
T
M
M
U
T
S
P
C
O
N
R1867
R1861
R1896
VCC2
1
IN+
2
IN-
3
OUT
4
VCAIN 7
CTL 8
VCAOUT 9
VCC 10
GND
5
NC 6
IC1808
R1850
R1845
R1846
R1855
R1856
R1858
R1854
VCC2
1
IN+
2
IN-
3
OUT
4
VCAIN 7
CTL 8
VCAOUT 9
VCC 10
GND
5
NC 6
IC1809
C1843
C1844
C1846
C1851
C1852 R1859
R1857
R1849
C1841 R1843
C1849 R1853
C1842
C1850
R1851
R1841
C1845
R1895
C1822
V
I
N
1
1
V
O
U
T
1
2
V
O
U
T
2
3
V
I
N
2
4
V
D
D
5
L
D
6
C
L
K
7
D
I
8
V
I
N
3
9
V
O
U
T
3
1
0
V
O
U
T
4
1
1
V
I
N
4
1
2
V
I
N
5
1
3
V
O
U
T
5
1
4
V
O
U
T
6
1
5
V
I
N
6
1
6
D
O
1
7
V
D
A
R
E
F
1
8
R
E
S
E
T
1
9
G
N
D
2
0
V
I
N
7
2
1
V
O
U
T
7
2
2
V
O
U
T
8
2
3
V
I
N
8
2
4
IC1803
R1842
R1852
C1823
C1840
C1848
D1801
D1802
R1893
R1894
C1847
D
1
S
T
B
E
E
P
S
T
L
S
E
T
O
N
E
T
O
T
C1839
X0 12
X1 13
Y0 2
Y1 1
Z0 5
Z1 3
INH 6
A 11
B 10
C 9
X
14
Y
15
Z
4
.
1
6
.
8
.
7
IC1801
C1871
R1810
R1812
8
9
10
IC1807C
7
6
5
IC1807B
C1809
R1824
C1810
R1825
C1812
C1813
C1804
R1809
C1811
R1807
C1814
A
A
F
1
A
A
F
2
D
S
S
W
S
I
K
O
R1826
R1811
R1813
R1876
1
2
3
4
J1802
C1807
C1808
R1831
X0 12
X1 13
Y0 2
Y1 1
Z0 5
Z1 3
INH 6
A 11
B 10
C 9
X
14
Y
15
Z
4
.
1
6
.
8
.
7
IC1802
W1772
W1782
C1830
R1803
R1806
R1808
7
6
5
IC1652B
R1805
R1804
C1831
C1802
C1829
R1833
M
S
C
CP1807
CP1808
DSOM
GND
GND
DSOS
R1816
R1817
OPT
U
T
|
1
0
6
C1771
1
2
3
4
P1771
1
2
3
4
P1781
W1771
W1781
R1786
R1785
R1782
R1783
R1784
R1781
C1801
1
2
3
4
5
6
7
8
9
10
J1781
C1828
R1832
UT9V
VT9V
VUT9
T9V
R9V
CENS
CTCS
NSQS
AGRS
AGFS
AGSS
NBSS
1F1S
1F2S
1FTS
OUTS
SMLS
WNCS
1
2
3
4
5
6
J1761
RFGS
AF2S
AF1S
SQLS
DSSW
C1781
R1830
S
I
T
N
R1829
O
P
B
1
V
O
X
L
M
D
A
T
M
C
K
R
X
S
T
X
S
G
N
D
E
T
O
N
A
V
X
L
S
C
O
N
I
N
T
S
I
N
T
M
P
C
K
P
D
A
T
9
V
F
O
R
L
5
V
NC
G
N
D
T
E
M
P
1
2
P
V
P
O
W
S
1
2
S
T
1
4
P
V
1
2
U
L
4
3
P
V
1
2
D
S
1
2
P
S
A
L
C
L
++
N
C
MAIN UNIT (1/3)
*Refer to “
PARTS LIST
” for the parts name and value.
Содержание IC-910H
Страница 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 23 SCHEMATIC DIAGRAM 33 Nov 2008 ...
Страница 26: ...Nov 2008 25 DISPLAY UNIT TOP VIEW The combination of top side and bottom side of this ...
Страница 33: ...Nov 2008 32 MAIN UNIT BOT VIEW The combination of top side and bottom side of this ...
Страница 41: ...SERVICE MANUAL VHF UHF ALL MODE TRANSCEIVER i910H ...
Страница 118: ...9 2 BOTTOM VIEW RIT BOARD BOTTOM VIEW VR A BOARD BOTTOM VIEW VR B BOARD ...
Страница 121: ...9 5 9 11 DISPLAY BOARD TOP VIEW 8 5 1 4 1 8 16 9 1 8 16 9 1 8 16 9 ...
Страница 124: ...9 8 BOTTOM VIEW PA UNIT 1 3 4 6 1 3 4 6 ...
Страница 126: ...9 10 BOTTOM VIEW PLL UNIT R341 MP11 ...
Страница 130: ...9 14 BOTTOM VIEW UX 910 MAIN UNIT 1 4 8 5 ...
Страница 144: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13714HZ C1 2001 Icom Inc ...