Icom DS-100 Service Manual page 24

Class d/dsc terminal
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10-2 MAIN UNIT
R8V
5V
C62
C61
0.022
0.001
SQL
R31
47
R119
100k
R33
1
GND1 20
VCC1
1k
2
19
IN1
IN2
PSTB
3
18
ENB
VCC2
PCK
4
XB 17
CLK
PDATA
5
16
DATA
XI
6
XO 15
UNLK
T1
7
GND2 14
LOK
8
13
CP1
CP2
9
12
FI1
FI2
10
11
C63
FO1
FO2
0.01
IC2
µPD3140GS
R36
R34
C66
560
8.2k
0.001
CP3
R38
R39
R37
C64
68
100
100
2.2
5V
R8V
R121
10
Q4
2SC4116
C153
R40
0.01
C154
C69
C68
2.2k
4.7
1
470p
Q5
R120
C67
2SK210
0.1
4.7k
R41
L8
D4
L9
1k
3.9µ
MA363B
LB-257
C72
2p
C70
D5
0.1
MA363B
J3
PSTB
PSTB
1
PCK
2
PCK
PDATA
PDATA
3
R86 47
UNLK
CLTX
UNLK
4
CLTX
5
R87 47
CLRX
6
CLRX
RCEV
7
SQL
SQL
8
R88 47
DDEC
9
DSMOD
DSMOD
10
to LOGIC
R89
DDEC
11
GND
unit J1
47
NMEAI
NMEAI
12
NMEAO
NMEAO
13
DATAM
DATAM
14
DATAS
DATAS
15
5V
16
GND
17
R70 47
RCV
GND
18
BUSY
19
8V
20
Vcc
21
BEEP
22
C126
C127
C152
0.1
0.1
0.001
SP1
R108
C140
C139
4.7k
10
0.001
R109
4.7k
C141
R111
0.001
Q20
10k
5.0V
2SC4116
SQL
R8V
DEMOD
R22
CP1
C143
470
0.01
C40
0.1
C43
C42
C44
0.001
0.001
0.1
C60
0.01
X1
R25
CDBCA450CX24
390
R8V
C59
0.1
C46
C45
0.1
47p
C41
R23
100p
1.2k
R24
1.3k
X2
CR-659
R32
330
C48
C47
D2
0.01
10
MA8036
C58
C56
12p
18p
C49
0.001
C57
10p
C54
R30
180p
3.3k
R28
47k
R26
330k
FI3
ALFY450E
C55
R27
2
R29
180p
1.5k
C53
RV-150
1
5
4
C52
C51
C50
0.01
0.001
0.1
5V
DEMOD
R45
R50
680
C79
100
0.001
R43
L12
680
C78
0.1µ
20p
R46
68k
C77
Q7
0.01
2SC4215
C82
L13
C76
C80
0.001
R48
0.1µ
R53
0.001
5p
1.5k
3.3k
C75
L11
0.75p
C73
0.1µ
C142
C85
R47
C83
Q8
0.01
2p
100
0.01
12p
2SC4215
R44
68k
C81
R52
C74
L10
C84
12p
R49
R51
8.2k
4p
2.7µ
0.001
220
2.2k
Q6
R42
2SC4215
1k
R91
100
C157
C123
R94
10
0.1
560
C124
1
0.775V
R90
R123
(600Ω Load)
33k
33k
T1
Q17
12T01
2SC4116
C121
47p
R95
C155
C156
100
0.0022
820p
R114
1k
5V
DS1
C148
SML-311YT
0.001
R112
10k
Q21
2SC4116
R113
C147
10k
0.001
C39
0.001
L14
C30
C29
C28
2.2µ
0.001
0.022
0.01
R20
C27
C21
C19
C18
C31
R14
100
0.001
0.001
0.01
0.01
0.001
10
R18
100k
C33
C22
R15
L5
0.001
68p
2.2k
0.82µ
R17
C32
1.5k
0.022
C20
L4
C16
C23
5p
0.5p
LS-440
0.001
Q2
Q3
C34
3SK166
0.001
2SC2714
FI2
FI1
R16
FL-310
FL-310
R107
1.2k
56
R12
C14
C17
IC1
10k
7p
8p
TA31136FN
C151
0.01
C138
C25
0.001
6p
CP4
L7
C36
1
L6
56n
R21
0.001
0.15µ
10k
3
C38
C37
39p
39p
C130
1
R56
47
C94
C93
C95
CP2
0.1
0.1
10
C91
0.047
C88
C89
0.033
0.033
R54
470k
IC3B
R57
R58
R59
C86
M5218AFP
8
10k
10k
0.01
10k
3
5
1
7
C92
2
6
R55
C87
C90
0.22
470k
470p
0.012
4
IC3A
R60
M5218AFP
470k
D8
R67
DA204U
15k
Q9
DTC144TU
C104
470p
R68
R69
1k
1k
Q13
2SC4116
R83 12
R82
4.7k
R81
R79
27k
27k
R80
R78
100k
4.7k
D11
DA204U
Q14
DTC144TU
8V
5V
R8V
C120
Q15
0.001
2SB1132
Q16
DTC144TU
RCV
8V
C5
R7
0.001
100
L2
LS-440
R8
C8
470p
470
R5
R3
10k
33k
C7
Q1
C15
L3
C13
C12
0.001
C4
L1
C2
3SK292
LS-440
6p
6p
0.5p
1p
LS-440
8p
C10
R4
C1
470p
C3
8p
C11
22k
7p
8p
R6
C6
47k
220p
R9
C9
100
0.001
R96
100
R99
R101
C136
R103
R104
560k
2.7k
33k
33k
10
C133
R97
C132
Q19
8.2k
0.027
0.027
2SC4116
C134
Q18
0.0022
C137
2SC4116
0.1
C131
0.22
R98
8.2k
C135
R105
R100
R102
820p
2.2k
180k
330
C96
R61
0.1
47k
IC4
C97
NJM2211M
0.033
1
CAP 14
V+
R65
2
CAP 13
R64
IN
15k
3
R 12
39k
LOCK
4
LOOP 11
R66
GND
RV-148
5
REF 10
Q
R63
6
NC 9
Q
100k
7
FSK 8
DATA
C100
C98
C99
0.01
0.1
0.0022
R62
330
4.8Vp-p
C102
0.1
IC6
R73
TC7W14FU
C101
IC5
470
0.0047
1
8
TLP121
NMEAI+
2
7
NMEAI
3
6
NMEAO+
D6
4
5
ICF3
1SS355
R72
6.8K
C103
0.1
D13
D14
MA8056
MA8056
C107
Q11 2SC4116
0.1
R74
C106
IC8
470
R77 12
0.0047
TLP121
DATAS+
D9
1SS355
D10
R76
DATAS
DA204U
100k
R75
Q12
6.8k
DTC144TU
IC9
DATAM+
TA7808S
C115
C114
C113
C112
C110
10
0.1
0.1
0.01
0.01
D12
MA8056
R84
C111
C109
C108
10k
IC10
470
0.001
47p
TA7805F
C118
C117
0.1
0.1
R85
2.2k
C119
C116
10
0.01
10 - 2
CHASSIS
L15
C144
[ANT]
68n
0.001
1
2
C146
C145
R1
15p
15p
82k
7.5V
R115
R117
C150
82k
1k
0.001
C149
0.1
Q22
2SC4116
J4
AFO
1
2
GND
R116
R118
R106
15k
120
100k
EXT-GPS
CHASSIS W1
J1
1
NMEAI+
1
2
NMEAI
2
3
NMEAO+
3
4
ICF3
4
5
GND
5
CHASSIS W2
J2
10
GND
10
9
ICF3
9
8
DATAS
8
7
DATAS+
7
6
DATAM
6
5
DATAM+
5
DSC+
4
DSC+
4
DSC
3
DSC
3
Vcc
2
Vcc
2
1
GND
1

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