Icom IC-F8100 Service Manual page 71

• MAIN UNIT (6/6)
PA(non switvhed 13V)
HV
IC1801
S-812C50AUA
R1815
I O
PA(switched 13V) 33
L1802 G
14V
HF50ACC322513
SW ON=4.8V
SW OFF=0V
8V
VLED
PA(Power SW) R1824
PWS
220
5V
MAIN(To 5V REG)
R1825 0
MAIN(RX SW) R8V
R1826 0
MAIN(TX SW) T8V
VBUSK R1827 VBUSK_8
To DSP-1 VBUSK
0
To DSP-1 MODPTT
R1830 1k
REF
R1831 1k
MAIN RF(ALC) FOR
R1832 1k
R1834 1k
PA TEMP
TKEY
R1836
DSP BEEP
1k
R1823
PTT
1k
R1814
Q1801
2SC4116
47k
ACC CWK
R1806 1k
TO FRONT RXD
R1807 1k
38400bps TXD
J1801
1
FZBUSY
2
CLK1
3
EXRXD_8 EXRXD_8
4
WR
FLASH Writer 5
EPM
6
7
RESET
8
CNVSS
9
EXTXD_8
10
CP1907
CP05S
USB (ACC) 3.3V
EXRXD_8
TSTART
TSTART
TCON
TCON
TX=4.9V
RX=0V
TX=0V
RX=4.7V
TO DSP R1811 1k EXRXD_8
EXRXD
R1812 1k EXTXD_8
EXTXD
R1813 1k GPTXD_8
GPTXD TX=0V
R1809 1k GPRXD_8
GPRXD
RX=6.5V
H5
C1836
IC1805
0.1
1 16
4 VDD CP05S
CP1812 2 15
CP1813 2 3
3 14
CP1824
0 1
4 13
CP08S 7 B
CF20 5 12
9 C
6 11
5 D
IC1804 7 10
6 A
1 8 8 9
VSS 8
2 7
3 6
CD4028BNSR
CP05S
4 5
CP1826
TC7W04FU
PWS_8
R8V_8
T8V_8
VBUSK_8
MODPTT
REF_8
FOR_8
DCV
Q1809
TEMP_8
3 4
TKEY
2 5
BEEP_8
1 6
UMD3N
1
P9_4/DA1/TB4IN/CTS4/RTS4
2
P9_3/DA0/TB3IN/CTS3/RTS3
TCON 3
P9_2/TB2IN/TXD3/SDA3/ATTACH
TSTART 4
P9_1/TB1IN/RXD3/SCL3/D+
EXRXD_8 5
R2019 P9_0/TB0IN/CLK3/D-
6
UVCC
7
CNVSS
10k CNVSS
8
P8_7/XCIN
9
C1826 12P P8_6/XCOUT
RESET 10
RESET
11
XOUT
12
VSS
13
XIN
C1827 12P 14
VCC1
DRX 15
P8_5/NMI/SD/VbusDTCT
16
DP8_4/INT2/ZP
17
P8_3/INT1
18
P8_2/INT0
19
DRFS
P8_1/TA4IN/U/CTS5/RTS5
DRX5 20
P8_0/TA4OUT/U/RXD5/SCL5
DCL5 21
P7_7/TA3IN/CLK5
DTX5 22
P7_6/TA3OUT/TXD5/SDA5
HSK5 23
P7_5/TA2IN/W
3.3V DTFS 24
P7_4/TA2OUT/W
25
P7_3/CTS2/RTS2/TA1IN/V
IC1818
1 24
VCCA VCCB
23
2
DIR VCCB
3 22
A1 G
4 21 DRXD
A2 B1
5 20 HSK0
A3 B2
6 19 VSQL_8
A4 B3
7 18 CWST_8
A5 B4
8 17 ALE2_8
A6 B5
9 16 TRFD_8
A7 B6
10 15
DSHS_6
A8 B7
11 14
GND B8
12 13
GND GND
TC74LVX4245FS 3.3V to 5V
VSQ5
CP1908
DSHS5
CP05S
R1968
1k
TX=6.8V
RX=0V
EXRE
Q1803
DMG564010
T8V_8 T8V 8V
3 4
TXS TX
2 5
1 6
C1819
0.01
Q1804
RXS
IC1802 DMG564010
1 5 R8V_8 R8V
2 3 4
R1851 1k
3 4 RX
2 5
TC7S04F
1 6
11-8
C1841
0.1
IC1810
1 8
A0 VCC
R2024 47k 2 7
A1 WP
R2025 47k 3 6
NC SCL
R2026 47k 4 5
VSS SDA
R1EX24512ASAS0A
R2022
47k
C1864
R1947
0.1
47k
P1_3
P1_4
P1_5/INT3/IDV
P1_6/INT4/IDW
P1_7/INT5/IDU
P2_0/AN2_0/A0
P2_1/AN2_1/A1
P2_2/AN2_2/A2
P2_3/AN2_3/A3
P2_4/INT6/AN2_4/A4
P2_5/INT7/AN2_5/A5
P2_6/AN2_6/A6
P2_7/AN2_7/A7
IC1806 VSS
P3_0/A8
R5F36CAMDFB
VCC2
P3_1/A9
P3_2/A10
P3_3/A11
P3_4/A12
P3_5/A13
P3_6/A14
P3_7/A15
P4_0/A16
P4_1/A17
R1995
Q1806
0
DTC114EU
J1802
C1839 0.1
R1858 100k
R1864 R1867
C1840
IC1807
Q1805
1 5
0.1
1k 220k 2SC4116
2
3 4 DSKY_6
TC7S08F DRES
CP1827
IC1808
1 5
OUT NC CP05S
2
VDD
3 4
VSS NC
S-80842CNMC
ECK
EDT
5V
IC1815
Vcc VrefU
11
Ao11 Ao10
MCK 12
Ao9
Ao12
13
Do Ao8
75 MDT ST7 ST7 14
LD Ao7
74 MDT 15
CLK Ao6
73 16
DI Ao5
72 RTCIRQ 17
Ao1 Ao4
71 PWS_8 18
Ao2 Ao3
70 A0 19
GND VrefL
69 20
A1
68
A2 D7 R2A20169SA
R1875 220k
67
A3 D6
R1876 220k
66 A4 D5
R1877 220k
65 A5 D4
R1878 220k
64 A6 D3
R1879 220k
63 A7 D2
R1880 220k
62 D1
R1881 220k
61 A8 D0
R1882 220k
60
59
A9 A2
R1991 220k
58
A10 A19
R1883 220k
57
A11 A18 DSHS_6
R1884 220k
56 A12 A17 DSKY_6
R1885 220k
55 A13 A16
R1886 220k
54 A14 A15 CWST_8
R1887 220k
53 A15 A14 ALE1_8
R1888 220k
52 A16 A13 ALE2_8
R1889 220k
51 A17 A12 TRFD_8
R1890 220k
A11 VSQL_8
R1891 220k
A10
R1892 220k
A9
R1893 220k
A8
R1894 220k
A7
R1895 220k
A6
R1896 220k
A5
R1897 220k
A4
R1898 220k
A3
R1899 220k
A1
R1900 220k
A0
R1901 220k
8
GND
4
IC1814
NJM2904V
IC1812
L1804
A11 1 32 RD
A11 OE
A9 2 31 A10
10U
A9 A10
A8 3 30 CS0
A8 CS1
A13 4 29 D7
A13 DQ7
WR 5 28 D6
WE DQ6
Q1811 6 27 D5
CS2 DQ5
7
2SA1586 A15 26 D4
A15 DQ4
8
25 D3
VCC DQ3
9
24
NC GND
A16 10 23 D2
R1872 A16 DQ2
A14 11 22 D1
A14 DQ1
A12 12 21 D0
2.2k A12 DQ0
A7 13 20 A0
A7 A0
A6 14 19 A1
A6 A1
A5 15 18 A2
CP1808 A5 A2
A4 16 17 A3
A4 A3
CF20OPEN
RL1
R1LP0108ESA
IC1817
(FOUT)
1 20
ENA VCC CP1811
2 19
A1 ENB DRFS_3 CP06S
3 18 (DAS) IC1819
YB4 YA1
4 17 CP1809 1 14
A2 B4 GND FOUT
5 16 DCLK 2 13
YB3 YA2 NC NC
CF20
6 15 3 12
A3 B3 DSA NC
7 14 4 11
DTXD ECK
YB2 YA3 SCL NC
8 13 EDT 5 10
A4 B2 SDA /IRQ
9 12 DTFS_3 6 9
YB1 YA4 CP1810 /BM NC
10 11 7 8
GND B1 FOE VDD
R2002 CF20
SN74AHC244PW RX-8571SA
5V to 3.3V (FOE) (BM)
10k R2003
RTCIRQ
0
*: Refer to the PARTS LIST for the value and name of component.
3DST
3DST
1DST
1DST
MDT
MDT
MCK
MCK
EXRE
BST
BST
ST8
ST8
ST9
ST9
DT
DT
CK
CK
STR
STR
ECK
ECK
EDT TO DSP
EDT
1CNO
ICCV
AUXG
10
VCT5
9
VCT4
8
DRVC
7
ID4V
6
ID3V
5
ID2V
4
ID1V
3
REFV
2
POCV
1
R1915 220
DSHS
R1943 220
DSKY
R1917 220
CWST
R1918 220
ALE1
R1919 220
ALE2
R1920 220
TRFD
R1921 220
VSQL
3.3V
R1914
100k
2
R1926
1
FANV
3
IC1814 470
NJM2904V
C1851
V+
0.0022
R1925
560k
R1911 10k
6
R1931
7
R1912 10k
5
4.7k
IC1814
NJM2904V
R1932
IDV
0
ICH R2037
ICL
RL1 0
R2038
0
MP1010
2590
DRES
DRES
DRFS_3
L1818 DRFS_3
DCLK
DCLK
DRXD TO DSP
100U
DRXD
DTXD
DTXD
HSK0
HSK0
DTFS_3
DTFS_3