Icom IC-F8101, Service Manual

Page: 73 / 81

11-8
*: Refer to the PARTS LIST for the value and name of component.
• MAIN-A UNIT (6/6)
DRVC
PWS
DRFS_3
REF
DSKY
VCT4
HV
EXRE
14V
VCT5
3DST
T8V
R8V
AUXG
VBUSK
1DST
ICCV
DTXD
BEEP
MCK
DSHS
TEMP
1CNO
IDV
MDT
ICL
DRES
ICH
BST
FANV
TXD
CK
ALE2
RXD VSQL
DT
CWK
DTFS_3
ALE1
5V
TRFD
RL1
CWST
ST9
STR
DRXD
POCV
DCLK
FOR
ST8
REFV
VLED
GPTXD
ID1V
EXTXD
ID2V
3.3V
MODPTT
EXRXD
ID3V
TCON
ECK
8V
EDT
TSTART
ID4V
HSK0
GPRXD
PTT
TKEY
NJM2904V
IC1814
V+
8
GND
4
CP05S
CP1824
1k
R1864
1k
R1836
0.1
C1840
220k
R1867
47k
R1820
220 R1917
KDS122 D1804
0.0047 C1823
0.1
C1842
L1SS400 D1809
NJM2904V
IC1814
6
5
7
0 R1825
47k
R1950
47k
R1869
1k R1830
220k R1875
470
R1926
KDS122 D1802
47k R1808
100k R1818
47k
R1966
0
R2037
NJM2904V
IC1814
2
3
1
100k
R1914
0.0047 C1821
0
R1932
0.001 C1835
220k R1895
CP05S
CP1827
47k
R1922
47
C1857
R1809 1k
10k
R1853
0.1 C1850
47k R2004
0.0047 C1838
47k R1850
220k R1892
S-80842CNMC
IC1808
1
OUT
2
VDD
3
VSS
4
NC
5
NC
47k R1969
47k
R1906
220k R1890
0.0047 C1829
D1803
KDS122
0 R1826
CP05S
CP1828
560k
R1925
47k
R1905
220k R1897
0.0047
C1810
47k
R2035
47k
R1934
S-812C50AUA
IC1801
I O
G
R1813 1k
12P C1827
1k R1834
100k R1863
220k R1894
47P C1909
47k
R1947
0.1
C1834
56k R1857
0
R2003
0.1 C1806
0.1
C1859
0.1 C1846
L1802
HF50ACC322513
47k R2024
CF20OPEN
CP1802
MMZ1608D121B
EP1801
0.0047
C1812
47k
R1939
R2A20169SA
IC1815
1
VrefL
2
Ao3
3
Ao4
4
Ao5
5
Ao6
6
Ao7
7
Ao8
8
Ao9
9
Ao10
10
VrefU
11
Vcc
12
Ao11
13
Ao12
14
Do
15
LD
16
CLK
17
DI
18
Ao1
19
Ao2
20
GND
0.001 C1833
10k
R2002
220k R1887
CP05S
CP1829
R1824
220
22
C1807
4.7k
R1931
CF20OPEN
CP1808
47k
R1814
10k
R1817
47k R1852
CP05S
CP1822
47k
R1930
220k R1879
Q1806
DTC114EU
47k
R2022
220k R1882
0.1
C1864
2.2k
R1872
0.0047
C1815
0.1
C1804
220k R1896
220 R1919
47k R1972
0.1 C1814
68k R1910
47
C1858
33
R1815
220k R1876
CP05S
CP1830
47k R1838
CP06S
CP1811
47k
R1935
TC7S04F
IC1802
1
2
3 4
5
0.1 C1837
47k R2026
10k
R1998
47k R1840
0.0022
C1851
47k
R1942
0.1
C1831
SN74AHC244PW
IC1817
1
ENA
2
A1
3
YB4
4
A2
5
YB3
6
A3
7
YB2
8
A4
9
YB1
10
GND
11
B1
12
YA4
13
B2
14
YA3
15
B3
16
YA2
17
B4
18
YA1
19
ENB
20
VCC
47k
R1944
0
R1995
0.001 C1832
RX-8571SA
IC1819
1
GND
2
NC
3
DSA
4
SCL
5
SDA
6
/BM
7
FOE
8
VDD
9
NC
10
/IRQ
11
NC
12
NC
13
NC
14
FOUT
10k R1911
0.1 C1839
CP05S CP1831
0.1 C1848
47k R2023
D1806
KDS122
68k R1909
0
R2038
12P C1826
0.1
C1854
0.1
C1841
1k R1832
100k R1849
220k R1884
0.1 C1808
470k
R1866
1k R1807
47k R2025
15k
R1821
2590
MP1010
TC7W04FU
IC1804
1
2
3
4 5
6
7
8
2SC4116
Q1801
47k
R1929
220k R1877
56k
R1856
0.0047 C1843
220 R1915
CP05S
CP1907
0.0022
C1820
1k
R1823
220k R1893
4.7k R1822
0.1 C1856
220k R1868
CP05S
CP1825
CP05S CP1910
UMD3N
Q1809
1
2
3
4
5
6
47
C1816
CP05S
CP1908
0.1
C1853
2SA1586
Q1811
CP05S
CP1832
1M R1847
220k R1899
R1LP0108ESA
IC1812
1
A11
2
A9
3
A8
4
A13
5
WE
6
CS2
7
A15
8
VCC
9
NC
10
A16
11
A14
12
A12
13
A7
14
A6
15
A5
16
A4
17
A3
18
A2
19
A1
20
A0
21
DQ0
22
DQ1
23
DQ2
24
GND
25
DQ3
26
DQ4
27
DQ5
28
DQ6
29
DQ7
30
CS1
31
A10
32
OE
2SC4116
Q1805
CD4028BNSR
IC1805
1
4
2
2
3
0
4
7
5
9
6
5
7
6
8
VSS
9
8
10
A
11
D
12
C
13
B
14
1
15
3
16
VDD
10k R1870
0.1 C1830
0.1 C1902
4.7k
R1803
560k R1923
220k R1878
220k R1991
DMG564010
Q1803
1
2
3 4
5
6
47k
R1936
CP05S
CP1911
1k R1806
CP05S
CP1909
220k R1883
L1SS400
D1814
22k
R1837
0.1
C1852
10k R1871
100P C1803
2.2k
R1805
47k
R1927
0.001 C1822
10U
L1804
*R2006
220k R1881
47k
R1928
100k R1858
CP05S
CP1826
0.0047
C1855
0.001 C1883
220k R1880
L1SS400 D1807
TC74LVX4245FS
IC1818
1
VCCA
2
DIR
3
A1
4
A2
5
A3
6
A4
7
A5
8
A6
9
A7
10
A8
11
GND
12
GND
13
GND
14
B8
15
B7
16
B6
17
B5
18
B4
19
B3
20
B2
21
B1
22
G
23
VCCB
24
VCCB
10k R1912
220k R1886
*R1901
1k R1831
HU1632
J1802
47k R1841
CF20OPEN
CP1803
47k R2030
DMG564010
Q1804
1
2
3 4
5
6
47k
R1908
220k R1898
47k
R2029
220k R1885
0.01
C1819
R1812 1k
47k R1941
CP05S
CP1912
47k
R2028
0
R1949
J1801
1
2
3
4
5
6
7
8
9
10
220 R1920
CP05S
CP1821
47k R2027
CP05S
CP1823
12k R1913
*R2005
TC7S08F
IC1807
1
2
3 4
5
*R1900
220 R1918
220k R1889
1k
R1968
47k
R1924
0.1
C1836
47k R1819
0
R1827
220k R1891
R1811 1k
47k R1848
220 R1943
47k R1940
1k R1851
220k R1888
CP05S
CP1913
10k
R2019
0.0047 C1805
47
C1845
CR-917 X1802
220 R1921
100U
L1818
R1801 12k
R1802
4.7k
R1EX24512BSAS0I#K0
IC1810
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
CF20
CP1809
CF20
CP1810
CF20
CP1812
CP08S
CP1813
R5F36CAMDFB
IC1806
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
RESET
D0 D1 D2 D3 D4 D6 D7
BEEP_8
TEMP_8
DCV
BEEP_8
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18 A19 CS0
RDY RD
CNVSS
EXRXD_8 EXTXD_8
TCON
TSTART
EXRXD_8
CK
GPRXD_8
TCON
EXRXD_8
EXTXD_8
ST7
BST
MDT
MCK
ALE1_8
ALE2_8
TRFD_8
VSQL_8
CWST_8
R8V_8
T8V_8
TXS
RXS
T8V_8
R8V_8
EPM
D7
D6
D5
D4
D3
D2
D1
D0
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A1
A0
VBUSK
RDY
ST8
3DST
1DST
RL1
RL1
1DST
DTFS
DRFS
DRFS_3
DCLK
DTXD
RESET
WR
WR
WR
EXTXD_8
EPM
CNVSS
D5
ST9
TXS RXS
PWS_8
DTFS_3
VBUSK_8
MDT
DRFS_3
DCLK
DTXD
DTFS_3
DCL5 DTX5
DSKY_6
DRES
DSK5 EXRE
EXRE
HSK5
VSQ5
DRXD
HSK0
VSQL_8
TRFD_8
ALE2_8
DSKY_6
DRXD
HSK0
DT
CK
STR ST8 ST9
MCK
MDT
DRES
DSHS_6
DSHS5
DSK5 DSHS_6
1C5
FOR_8
REF_8
H5
EXRE
PWS_8
CLK1
DRX
ALE1_8
CLK1
TSTART
FZBUSY
A2
GPTXD_8
DRX
EXRXD_8
EXRXD_8 EXRXD_8
A11
A9
A8
A13
A15
A16
A14
A12
A7
A6
A5
A4
WR
ECK
EDT
RTCIRQ
ECK EDT
RTCIRQ
1CNO
A0
A1
RD
A10
CS0
D7
D6
D5
D4
D3
D2
D1
D0
A0
A1
A2
A3
CWST_8
1C5
VBUSK_8 VBUSK_8
TKEY
TKEY
MCK
5V
MODPTT
MODPTT
STR
ECK
EDT
DRFS
DCL5
DTX5
DT
DTFS
GPRXD_8
GPTXD_8
3.3V
ST7 ST7
BST 3DST
1CNO
FZBUSY
DCV
TEMP_8
REF_8 FOR_8
DCV
TEMP_8
REF_8
FOR_8
ECK
EDT
DRX5
TO FRONT
ACC
38400bps
FLASH Writer
USB (ACC)
RF(ALC)
DSP
PA
MAIN
PA(non switvhed 13V)
PA(switched 13V)
PA(Power SW)
MAIN(To 5V REG)
MAIN(RX SW)
MAIN(TX SW)
8V
TX
RX
T8V
R8V
TO DSP
5V to 3.3V
3.3V
3.3V to 5V
TO DSP
(FOE)
(FOUT)
(DAS)
(BM)
To DSP-1
To DSP-1
TO DSP
SW ON=4.8 V
SW OFF=0 V
TX=6.8 V
RX=0 V
TX=4.9 V
RX=0 V
TX=0 V
RX=4.7 V
TX=0 V
RX=6.5 V