Main Unit (Main Cpu) - Alinco DX-SR9 T Service Manual

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SCHEMATIC DIAGRAM

MAIN Unit (MAIN CPU)

A
A B C D E F G
(JP101) (JP102) (JP103) (JP104) (JP105) (JP106) (JP107)
DXSR8 Solder Solder NC NC Solder NC NC
DXSR8 T NC NC NC Solder NC NC NC
DXSR8 E NC NC NC NC Solder NC NC
5V
MAIN2[8B], MAIN3[1A]
MAIN1[8A], MAIN3[3A] ALC
B
5V
MAIN3[7C ]
C
5VS
CN 102
5V
GND
FR ASH
RESET
MODE
NC
D
1 2
3 4
H
5V
(JP108)
NC
NC
NC
5V 5V
SRF
R1119
NC
R1122
0
76
CO MP P1̲6(COMP)
77
SDR [4D] PT TD P1̲5(PT TD)
78
SDR [5C] DVO X P1̲4(D VO X)
79
AN15 (SRF)
80
P1̲2
81
MAIN3[5D] VDET P1̲1(VD ET )
82
P1̲0
83
P0̲7 (JP1)
84
P0̲6 (JP2)
85
P0̲5 (JP3)
86
P0̲4 (JP4)
87 IC101
P0̲3 (JP5)
88 R5F2L3ACAN FP#U1 R5F2L3ACAN FP#U1
P0̲2 (JP6)
89
P0̲1 (JP7) ( XA1442 ( XA1442 ) X X
90
P0̲0 (JP8)
91
VL1
92
VL2
93
VL3
94
P12̲3
95
P12̲2
96
VL4
97
PLL[4C] SCLK P13̲7 (SC LK)
98
PLL[4C] SDAT A P13̲6 (SDAT)
99
PLL[4B] FSY 1 P13̲5 (FSY 1)
100
PLL[4C] FSY B P13̲4 (FSY B)
5VS 5V
R122
1K
R125
R124
5VS 1M
100K
5VS
X101
IC102 8MHz
S80845CLN B
1
2
3
4
R1EX 24256ASAS0A
3 4
5
5V
R105 D103
1K 1SS405
50
P5̲0 (BK3) BK3 MAIN3[4B]
49
P5̲1 (BK2) BK2 MAIN3[4B]
48
P5̲2 (BK1) BK1 MAIN3[4B]
47
P5̲3 (ATT) ATT MAIN1[1B]
46
TRDIOAO
45
TRDIOBO (TONE) TONE MAIN3[6D]
44
TRDIOC O
43
P6̲3 (MUTE) MUTE MAIN3[5A]
42
P6̲4 (SLO W) SLO W MAIN3[2B]
41
P6̲5 (LOW) LOW MAIN3[2B]
40
P6̲6 (AGCS) AGCS MAIN2[8B]
39
P6̲7 (NBS) NBS MAIN1[5B]
38
P7̲0 (NRW ) NR W MAIN2[3C ], MAIN3[4C]
37
) P7̲1 (TUN) TUN MAIN3[2D]
36
P7̲2 (FM) FM MAIN3[2C]
35
P7̲3 (AM) AM MAIN3[2D]
34
P7̲4 (CWL) CW L MAIN3[2C]
33
P7̲5 (CWU) CW U MAIN3[2C]
32
P7̲6 (LSB) LSB MAIN3[2C]
31
P7̲7 (USB) USB MAIN3[2C ]
30
P10̲0 (PON) PO N MAIN3[2B]
29
P10̲1 (PSW)
28
P10̲2
27 R1120 0
P10̲3 SDT MAIN2[3B], SDR[6C]
26 R1121 0
P10̲4 SDR MAIN2[2B], SDR[6B]
5VS
Q101
5VS 5V
2SB1412
R126
10K
Q102
RN 1107MFV
5VS
8
A0 A0 VCC VCC
7 5VS
A1 A1 WP WP
6
A2 A2 SCL SCL
R131
5
VSS VSS SDA SDA
10K
IC103
5
6 7
JK1005
2
3
1
5V
HSJ1332-01-040
JK101
R103 10K
2
R104 10K
3
1
R106
1K HSJ1332-01-040
FB101
8V
BL02RN 2R1M2B
CN 101
HJC0282-010024
1
TXD
2
RX D
5VS
3
8V
4
CLN
TO FRONT
R110
5
MIC
10K
R111 C106
6
MAIN3[8C ] MIC GND
10K
0.1
7
MAIN2[2C ] SP SP
8
SPG
5VS
R120 1K
R121 1K
5VS 5VS
R1110 CP1001
NC R1091
CP1002
NC CP1003
CP1010
6 7
8
A
CW K
B
(C N3)
C
SW 1001
NC
D
8
57