![background image](http://html.mh-extra.com/html/icom/ic-910h/ic-910h_service-manual_611499139.webp)
12 - 5
UNIT (1)
MAIN
0.01
C1461
0.01
C1471
0.01
C1481
C1491 0.01
0.1
C1532
0.1
C1531
R1709 10k
C1724 0.1
4.7k
R1708
R1681 100k
C1521 0.01
CTCS
AFS
AFM
CP1404
CP1403
CP1402
CP1401
C1401 0.01
C1402 0.01
MICE
MIC
HV
14V
PHG
SSPO
MSPO
CIVE
CIV
DOT
DASH
h
e
f
h
f
L1585 100
µ
H
OUTS
PTT1
OUTM
AALC
EXTG
D96S
DCON
MSPO
SSPO
BAND
POCV
DOST
UATT
VATT
ALUD
MICV
RFGS
RFGM
UTU1
VTU1
C1551 0.1
C1552 0.1
PHG
MSPO
SSPO
PHCO
ATXS
SEND
RBDS
ALUD
MIUD
AAF2
AAF1
1k
R1865
e
MUTM
MUTS
PCON
d
c
b
1k
R1848
8.2k
R1847
1
C1850
1
C1842
C1827 0.1
3.3k
R1895
0.1
C1825
100
C1881
0.0047
C1865
g
a
SQLM
SQLS
AVXL
VOXL
MICE
MIC
MICV
PIF
1FTM
CWVR
COMS
ETOT
MOD1
D1801 1SS355
R1893 10k
AFRP
ETON
ETOT
c
BEEP
D1ST
b
MOD0
C1706 1
R1735 10k
NJM2058M
IC1652D
14
13
12
+
-
NJM2058M
IC1652C
SIKO
SIVR
0.01
C1676
C1522 0.1
UTU2
VTU2
AF2S
C1804 0.1
d
STLS
SIKO
AAF2
AAF1
150k
R1876
0.01
C1872
SIVR
DSSW
MSC
SSBI
g
10k
R1653
1
C1665
a
SPST
OVDV
TONE
MODI
REF
ICH
ICL
SBSY
DSPS
DSPM
DPST
INTS
INTM
DRES
1FOR
FORL
FOR
POCV
ALC
SCON
SPST
DPST
D1ST
MDAT
AF1S
AF2M
AF1M
MAST
DSPM
DSPS
DSSW
STLS
DCON
AGFS
AGSS
WNCS
1F1S
SUST
1F2S
1FTS
NBSS
TCWM
AGFM
AGSM
WNCM
MAST
1F1M
1F2M
1FTM
NBSM
COMS
CWVR
D96S
PIF
PAST
MUTM
MUTS
PCON
PHCO
DRES
EXTG
UPRI
430S
430M
PAST
144M
144S
VPRI
RBDS
AALC
0.1
C1771
0.1
C1781
0.1
C1808
10k
R1825
10k
R1824
C1871 0.1
C1807 0.1
100
R1835
C1669 1
10
C1671
180k
R1658
0.1
C1654
R1515 12k
R1517 12k
R1518 12k
R1516 12k
R1514 12k
R1513 12k
R1512 12k
QS
QS
Q8
Q7
Q6
Q5
OE
0.01
C1451
NJM2058M
IC1601A
0.1
C1603
100
R1621
ALCL
T9V
100
R1686
5
6
7
PAST
MAST
SUST
DOST
NSQM
CENM
CTCM
OUTM
DSSW
PCK
DRES
KDS
ALC
PDAT
SMLM
1FOR
RXS
R9V
T9V
AGRM
TXS
MAIN - BAND
SUB - BAND
AGFM
AGSM
RFGM
1F1M
1F2M
1FTM
WNCM
TCWM
NBSM
OPB1
12PV
12UL
12DS
12PS
12ST
SSBI
MODO
AF2M
AFM
SQLM
AF1M
12TP
AFRP
SQLS
AF2S
AF1S
DSSW
RFGS
OUTS
SMLS
WNCS
1FTS
1F2S
1F1S
NBSS
AGSS
AGFS
AGRS
NSQS
CTCS
R9V
CENS
T9V
UT9V
VT9V
VUT9
UR9V
430S
VR9V
TXS
144S
RXS
430M
144M
AFS
SQLS
AF2S
AF1S
DSSW
RFGS
OUTS
SMLS
WNCS
1FTS
1F2S
1F1S
NBSS
AGSS
AGFS
AGRS
NSQS
CTCS
CENS
R9V
T9V
UT9V
VT9V
VUT9
UR9V
VR9V
RXS
TXS
430S
144S
430M
144M
AFRP
AFS
TXS
RXS
1FOR
AFM
12TP
SQLM
AF2M
AF1M
MODO
SSBI
ALC
KDS
DRES
PDAT
PCK
DSSW
OUTM
CTCM
CENM
NSQM
SMLM
12ST
12PS
12DS
12UL
12PV
OPB1
NBSM
TCWM
WNCM
1FTM
1F2M
1F1M
RFGM
AGSM
AGFM
14V
5V
9V
-
5V
14V
5V
-
5V
9V
IFS
AFIS
AFIM
IFS
AFIM
AFIS
1000
C1870
C1864 0.1
R1869 4.7
R1867 4.7
C1863 0.1
C1862 470
C1861 470
C1555 1
100
C1860
C1859 100
C1858 47
R1866 220
C1856 470
47
C1855
220
R1864
12
11
10
9
8
7
6
5
4
3
2
1
LA4445
IC1852
NTCCM16084LH
R1862
150k
R1861
820
R1838
R1896 4.7k
R1839 820
1k
R1858
8.2k
R1857
8.2k
R1859
8.2k
R1849
2.7M
R1844
2.7M
R1854
220k
R1846
10
C1852
C1851 0.1
R1855 820k
R1856 220k
C1848 0.1
R1852 22k
C1849 0.0022
R1853 10k
100
R1850
220
C1845
10
C1846
47k
R1851
R1845 820k
C1843 0.1
C1847 1
R1842 22k
C1840 0.1
C1841 0.0022
R1843 10k
10
C1844
10
C1838
220
C1837
100
R1840
47k
R1841
1
C1839
D1802 1SS355
10k
R1894
0.1
C1836
MA728
D1821
MA728
D1822
R1821 47k
R1822 47k
R1823 47k
C1821 220
R1815 1.5k
NJM2058M
IC1652A
2.7k
R1668
2.2
C1662
10
C1663
100
R1688
R1814 1k
10
C1664
100
R1671
1
11
4
2
3
R1818 47k
10
C1823
0.1
C1822
NJM2058M
IC1807B
NJM2058M
IC1807C
5
6
7
10
9
8
10
C1813
4.7k
R1812
820
R1813
820
R1811
3.9k
R1826
10
C1812
4.7k
R1810
C1814 220p
R1807 150k
0.1
C1810
C1809 0.1
C1811 220p
R1809 150k
0.0047
C1874
0.0047
C1873
R1871 100k
100k
R1872
10
C1832
47k
R1875
10
C1833
NJM2058M
IC1807A
11
3
2
1
4
100k
R1874
R1834 100
0.1
C1803
R1803 10k
10k
R1806
82k
R1804
15k
R1816
15k
R1817
82k
R1805
100k
R1808
UT-106
OPTION
UT-106
OPTION
UT-102
0.01
C1802
0.0047
C1801
47k
R1801
CP1803
1k
R1802
CP1808
CP1807
CP1804
CP1802
CP1801
MDTC
BUSY
5V
GND
SPST
MCKC
SPCE
SPCH
CP1805
J1801
W1781
J1802
W1771
J1781
P1781
P1771
J1771
J1761
J1751
MAIN (3)
MAIN (2)
P1201
J1201
J1251
CP1202
CP1201
CP1252
CP1251
CP1253
CP1254
CP1255
unit J50
from PA
HF50ACC322513-B
L1854
HF50ACC322513-B
L1853
J1853
DTC114EU
Q1855
R1898 220
R1897 220
C1880 0.01
1SS355
D1851
0.01
C1867
ACC
J1581
1
MOD 4
GND 2
AF 5
SEND 3
ALC 8
13.8V 7
SQL 6
SQL
14V
SEND
AAF
MOD
CP1584
CP1583
CP1585
CP1582
L1587 100
µ
H
L1583 100
µ
H
L1582 HF50ACC322513-B
L1584 HF50ACC322513-B
L1586 HF50ACC322513-B
L1581 100
µ
H
CP1586
CP1587
CP1588
L1575 100
µ
H
L1572 100
µ
H
L1571 100
µ
H
C1575 0.01
C1584 0.001
C1585 0.001
C1586 0.001
C1583 0.001
C1587 0.001
C1572 47p
C1571 0.01
CP1575
CP1574
CP1576
DOUT
SQL
DIN
DOUT
SQL
PTT
CP1565
CP1563
CP1561
CP1564
CP1566
L1561 100
µ
H
L1562 100
µ
H
L1563 100
µ
H
L1564 100
µ
H
L1565 100
µ
H
C1565 0.01
C1564 0.01
C1563 0.01
C1562 47p
C1561 0.01
R1561 22k
R1571 22k
R1581 22k
DTC144EU
Q1581
2SD1619
Q1582
0.01
C1582
47k
R1582
0.01
C1581
1k
R1583
DTA114EU
Q1584
DTC114EU
Q1583
0.1
C1701
22k
R1705
18k
R1704
47k
R1734
12k
R1707
10k
R1706
1
C1704
NJM4565M
IC1654B
6
5
7
4.7k
R1703
1
C1703
10k
R1702
0.1
C1702
220k
R1701
W1531
10
9
8
C1672 0.1
R1682 100k
R1689 100k
0.1
C1670
10k
R1680
100k
R1685
1SS375
D1701
R1716 220k
0.1
C1708
56
R1715
0.1
C1719
10
C1718
C1709 0.039
R1718 6.8k
C1707 1
R1711 1k
R1714 100k
C1705 0.1
R1733 10k
C1723 0.1
R1710 47k
R1712 47k
R1713 220k
22k
R1723
22k
R1720
R1721 100k
R1724 100k
10k
R1722
10k
R1719
0.1
C1711
0.1
C1710
R1725 6.8k
C1712 1
R1717 220k
C1713 100p
R1726 6.8k
C1714 0.1
C1715 470p
R1727 100k
C1717 0.047
R1732 10k
1k
R1730
R1729 220
22
C1720
W1701
1
C1722
4.7k
R1731
R1728 82k
C1716 470p
C1721 2.2
R1526 1k
R1525 1k
R1496 47k
R1495 47k
R1494 47k
R1493 47k
R1491 47k
47k
R1481
Q3
Q4
QS
Q8
OE
Q5
Q6
QS
Q7
Q2
Q1
D
CLK
STR
STR
D
CLK
Q1
Q2
Q7
QS
Q6
Q5
Q3
Q4
QS
OE
Q8
Q8
QS
Q7
Q6
Q5
OE
QS
Q4
D
STR
CLK
Q1
Q2
Q3
QS
QS
Q8
Q7
Q6
Q5
OE
Q4
Q3
Q2
Q1
CLK
STR
D
R1468 47k
R1467 47k
R1466 47k
R1465 47k
R1461 47k
R1462 47k
R1463 47k
R1464 47k
12
13
14
8
10
9
100k
R1596
R1595 100k
NJM2058M
IC1522D
NJM2058M
IC1522C
100k
R1598
1k
R1521
R1597 100k
1k
R1523
NJM2058M
IC1522A
NJM2058M
IC1522B
7
5
6
100k
R1594
R1593 100k
1k
R1522
100k
R1592
0.1
C1523
0.01
C1675
1k
R1524
R1591 100k
1
11
3
2
4
12
13
14
NJM2058M
IC1807D
10k
R1673
220k
R1672
R1674 120k
R1675 100k
C1667 0.1
0.1
C1668
120k
R1676
NJM4565M
IC1654A
MA728
D1652
1M
R1677
4
2
3
8
1
C1666 0.1
R1691 22k
22k
R1690
100k
R1692
0.1
C1674
100k
R1678
R1679 100k
C1828 0.0082
W1832
NJM2058
IC1652B
7
5
6
220p
C1830
47k
R1829
100k
R1830
47k
R1833
47k
R1831
0.056
C1829
1
C1831
W1601
100
R1665
33k
R1666
1
C1660
220
R1667
2SC4116
Q1651
C1657 0.1
1
C1658
R1662 180k
3.3k
R1663
2.2k
R1664
270
R1661
0.1
C1680
0.1
C1656
NJM4565M
IC1651B
6
5
7
R1660 560k
0.001
C1655
0.1
C1652
22k
R1648
R1659 150k
R1649 47k
R1647 18k
820k
R1657
150k
R1656
390k
R1650
82k
R1655
82k
R1654
0.0022
C1653
10
C1651
C1659
10
120p
C1678
4
2
3
8
1
NJM4565M
IC1651A
100
R1651
C1677 1
R1652 1k
RV-150
R1613
47k
R1616
47k
R1615
33k
R1614
33k
R1612
12
13
14
R1611 1M
NJM2058M
IC1601D
470
R1604
10
9
8
NJM2058M
IC1601C
10k
R1609
10k
R1607
100k
R1608
220k
R1606
R1605 1M
470
R1603
DAP222
D1602
DA221
D1608
C1605 470p
R1693 100k
C1631 0.1
R1637 47k
CP1631
8.2M
R1631
R1630 330
1SS355
D1601
MA77
D1609
1SS355
D1603
1k
R1629
150
R1627
1
C1602
11
4
1
3
2
1M
R1624
0.1
C1604
100
R1643
C1601 0.0047
C1511 0.01
R1601 10k
R1625 470k
8.2M
R1618
100
R1602
3.9k
R1620
DAN222
D1301
1SS355
D1610
TC7W32F
IC1101
5
6
7
8
4
3
2
1
ICH
VTU1
14PV
VT9V
HV
VR9V
VATT
UTU2
VPRI
BAND
VTU2
ICL
DASH
SQLM
NSQM
TONE
OVDV
MSC
SMLS
SQLS
AGRS
CENS
BEEP
CTCM
SMLM
AGRM
CENM
SBSY
KDS
DOT
ATXS
SEND
MIUD
DRES
CIVE
CIV
PTT1
PCK
TEMP
12PV
POWS
12ST
14PV
12UL
43PV
12DS
ALCL
12PS
FORL
OPB1
PDAT
VOXL
ETON
MDAT
SCON
INTS
RXS
INTM
TXS
PCK
TEMP
12PV
POWS
12ST
14PV
12UL
43PV
12DS
ALCL
12PS
FORL
OPB1
PDAT
VOXL
ETON
AVXL
MDAT
SCON
TXS
INTM
INTS
RXS
CP1114
CP1124
CP1123
CP1122
CP1121
CP1120
CP1119
CP1102
CP1101
CP1114
CP1115
CP1116
CP1117
CP1165
CP1164
CP1163
CP1162
CP1161
CP1160
CP1159
CP1158
CP1157
CP1156
CP1155
CP1154
CP1153
CP1152
CP1151
CP1177
CP1176
CP1175
CP1174
CP1173
CP1172
CP1171
CP1170
CP1169
CP1168
CP1167
CP1166
CP1165
unit J14
to DISPLAY
DAN222
D1351
CP1351
5V
14V
9V
LW-15
L1851
HF50ACC322513-B
L1852
-5V
5V
14V
DATA
MCKC
MDTC
MCK
9V
-5V
CP1125
CP1103
CP1104
CP1105
CP1106
CP1107
CP1108
CP1109
CP1110
CP1111
CP1112
CP1314
CP1313
CP1312
CP1311
CP1310
CP1309
CP1308
CP1307
CP1306
CP1305
CP1304
CP1303
CP1302
CP1364
CP1363
CP1362
CP1361
CP1360
CP1359
CP1358
CP1357
CP1356
CP1355
CP1354
CP1353
ATX-209
RL1851
(REMOTE)
J1403
(KEY)
J1401
(MAIN-SP)
J1851
(SUB-SP)
J1852
-
+
5
4
6
1
3
2
XP4312
Q1571
5
4
6
1
3
2
XP4312
Q1561
7
8
6
5
4
3
2
1
10
9
11
C
14
13
12
15
16
Y0
A
BU4053BCFV
IC1551
Y1
B
Z
Z1
X0
INH
Y
X1
X
Z0
7
8
6
5
4
3
2
1
10
9
11
12
13
14
15
16
Y0
BU4053BCFV
IC1552
Y1
Z1
Z
C
B
A
X0
X1
X
INH
Z0
Y
6
8
1
4
2
5
3
7
R9V
T9V
AGRM
BU4053BCFV
IC1806
C
B
A
X0
X1
X
Y
INH
Z0
Z
Z1
Y1
Y0
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
VCC
10
1
VCAOUT
9
2
IN-
OUT
GND
6
M5282FP
IC1809
VCC2
7
CTL
IN+
5
4
3
8
VCAIN
NC
VCC
10
1
VCAOUT
9
2
IN+
5
4
3
8
VCAIN
NC
CTL
7
VCC2
M5282FP
IC1808
6
GND
OUT
IN-
-
+
VIN8
24
1
VOUT8
23
2
11
12
VOUT1
9
10
8
7
6
5
4
3
16
15
17
22
VIN3
VIN7
GND
DI
VOUT7
VOUT3
21
VDAREF
VIN1
18
14
19
M62363FP-650C
IC1803
VIN5
20
VOUT6
VOUT5
VIN4
VOUT4
13
VOUT2
CLK
VIN6
VIN2
RESET
LD
DO
VDD
-
+
BU4053BCFV
IC1801
C
B
A
X0
X1
X
Y
INH
Z0
Z
Z1
Y1
Y0
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
-
+
-
+
BU4053BCFV
IC1802
C
B
A
X0
X1
X
Y
INH
Z0
Z
Z1
Y1
Y0
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
5V
14V
14V
5V
+
-
NC
13
12
VCC
11
14
AVI
SWC
2
1
4
3
5
6
7
8
9
10
21
22
20
15
SWI
MUTE
VOXO
BU1I
AVO
CMPO
16
BU2O
AMPO
AMP-
VOXI
BU2I
17
µ
PC5023-077
IC1701
18
VCAI
SWO
VCAO
BU1O
VCAC
24
CMPI
NC
AMP+
GND
23
19
+
-
9V
-5V
7
8
6
5
4
3
2
1
10
9
11
12
13
14
15
16
Y0
BU4053BCFV
IC1653
Y1
Z1
Z
Z0
INH
Y
X
X1
X0
A
B
C
+
-
-
+
+
-
+
-
1k
R1636
390
R1639
1SS355
D1605
MA8043
D1606
MA8047
D1607
15k
R1638
NJM2058M
IC1601B
+
-
-
+
820k
R1633
33k
R1645
390k
R1634
+
-
220
R1622
-
+
BU4094BCFV
IC1511
Q4
Q3
Q2
Q1
CLK
STR
D
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
-5V
9V
14V
5V
7
8
6
5
4
3
2
1
10
9
11
12
13
14
15
16
Y0
BU4053BCFV
IC1531
Y1
Z1
Z
Z0
INH
Y
X
X1
X0
A
B
C
DATA
MCK
9V
-5V
14V
5V
GND
AO2
VSS
AO3
20
19
1
9V
2
4
3
5
6
7
8
9
10
17
18
16
15
14
13
12
11
AO10
M62352GP
IC1521
VDD
AO9
AO8
AO7
AO6
AO5
AO4
AO11
VCC
AO12
DO
LD
CLK
DI
AO1
+
-
+
-
-
+
+
-
DATA
MCK
9V
-5V
5V
14V
R1492 47k
BU4094BCFV
IC1491
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
9V
7
BU4094BCFV
IC1481
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
DATA
MCKC
MDTC
MCK
9V
-5V
14V
5V
BU4094BCFV
IC1471
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
BU4094BCFV
IC1461
16
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
BU4094BCFV
IC1451
QS
QS
Q8
Q7
Q6
Q5
OE
Q4
Q3
Q2
Q1
CLK
STR
D
16
9V
15
14
13
12
11
9
10
1
2
3
4
5
6
8
7
IFS
AFIM
AFIS
12TP
TEMP
144M
430S
UTU1
UPRI
UT9V
UR9V
UATT
VUT9
POWS
FOR
REF
43PV
R1786 470
R1785 470
R1784 470
R1783 470
R1782 470
R1781 470
R1776 470
R1775 470
R1774 470
R1773 470
R1772 470
R1771 470
DATA
MCKC
MDTC
MCK
9V
-5V
DATA2 (RX ONLY)
AF
J1571
5
3
1
2
4
6
DATA
MCKC
MDTC
MCK
9V
-5V
5V
14V
1M
R1301
CP1118
CP1301
CP1113
CP1352
0.01
C1101
J1351
J1301
SQLM
DASH
NC1
GND
NC2
14V
14V
UTU1
5V
UPRI
UT9V
VUMS
UR9V
UATT
VUT9
POWS
FOR
REF
43PV
unit J39
from PA
ICH
VUTP
VTU1
14PV
GND
VT9V
HV
VR9V
VATT
UTU2
GND
VPRI
BAND
VTU2
ICL
unit J504
from PA
NSQM
GND
TONE
OVDV
-5V
-5V
MSC
CTCS
SMLS
NSQS
SQLS
AGRS
CENS
BEEP
CTCM
SMLM
AGRM
CENM
SBSY
KDS
DOT
ATXS
unit J8
from DISPLAY
SEND
MIUD
DRES
CIVE
GND
CIV
J1151
PTT1
GND
TEMP
12PV
POWS
12ST
14PV
12UL
43PV
12DS
ALCL
12PS
FORL
OPB1
PDAT
PCK
5V
VOXL
AVXL
ETON
9V
MDAT
MCK
SCON
RXS
TXS
INTM
INTS
GND
DATA1 (TX/RX)
unit J7
from DISPLAY
AF
J1561
5
3
1
2
4
6
J1101
OPTION
4.98
1.436
0.586
8.78
3.22
8.76
8.54
-4.47
7.13
-5.0
13.51
5.04
TX:0
RX:4.96
13.42
headphone connected :9.10
headphone not connected:5.77
headphone connected :9.10
headphone not connected:0.131
TX:4.92
RX:0
TX:0.713
RX:0
TX:0
RX:3.47
9.09
4.36
4.28
8.51
4.33
7.91
4.33
7.91
-4.37
8.52
-4.38
12-5 MAIN UNIT (1)
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 ...