Motorola CDM1250 Service & Installation Manual - Page 28
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+10V
EXTERNAL INPUTS
FROM SHEET 3
R86
HSRNG1
100KP
R88
HSRNG2
1KP
DGND
D12
R85
DMPTT
100KP
1n4148W
+10V
D6
R69
DMMON
100KP
1n4148W
+10V
D7
R70
ACCMON
100KP
1n4148W
+10V
D8
ACCPTT
1n4148W
+10V
R80
1
SONBTN
100KP
+10V
DGND
R82
3
SOFFBTN
100KP
+10V
R74
9
MONBTN
100KP
+10V
R78
13
ICBTN
100KP
+10V
R76
11
PTTBTN
100KP
FRONT PANEL
BUTTONS
CDM Control Station Interface Module (CSIM), Digital Section
2
6880309N15-A
October, 2004
U9:D
9
8
HSPTT
PS4
U9:E
D14
1N4148W
11
10
HSPTT
LCLIC
1N4148W
+10V
D16
1N4148W
PS7
1N4148W
HS_SNS
U9:F
1N4148W
13
12
DSKPTT
HSPTT
U11:A
1
2
DSKPTT
PS5
D21
1N4148W
LCLIC
U8:A
R124
1N4148W
1
14
15
2
DSMON
4.7K
D23
1N4148W
HS_SNS
1N4148W
JU5
SDR DOT
PS7
DMMON
1N4148W
LCLPTT
U8:B
3
4
ACCMON
PS6
D29
1N4148W
LCLIC
1N4148W
U8:C
DSKPTT
R72
5
6
ACPTT
100KP
PS2
D33
ACPTT
1N4148W
U9:A
2
3
2
SUPLED
SHEET 3
U9:B
PS8
4
SUPERON
PS7
PS6
PS5
PS4
PS3
PS2
PS1
U8:D
8
LCLMON
U11:F
D49
13
12
1N4148W
U8:F
12
LCLIC
HS_SNS
U8:E
10
LCLPTT
U11:E
10
11
HS_SNS
U9:C
5
6
LCLPTT
AUDIO GATING FUNCTIONS
TO SHEET 1
U10:A
D13
1
2
G1_ONHI
R97
+10V
10KP
D15
U10:B
U10:C
D18
3
5
4
6
G2_ONHI
D17
1N4148W
R98
+10V
10KP
D19
R99
+10V
10KP
1N4148W
U10:D
D20
D25
9
8
1N4148W
R100
+10V
10KP
D22
U10:E
U10:F
D26
11
10
13
12
G3_ONHI
D24
1N4148W
R101
R102
+10V
+10V
10KP
D27
10KP
1N4148W
U11:B
U11:C
D28
D30
3
4
5
6
G4_ONHI
1N4148W
R103
R104
+10V
+10V
10KP
D31
10KP
1N4148W
U11:D
D32
9
8
G5_ONHI
1N4148W
R105
10KP
DGND
G6_ONHI
+10V
SWA
8
7
6
5
4
3
2
R126
1
4.7K
DGND
G7_ONHI
G8_ONHI
HS_SNS
SHEET 1
D34
HSPTT
D35
1N4148W
DSKPTT
1N4148W
D36
LCLPTT
U12:B
D37
1N4148W
D39
3
4
PS8
1N4148W
1N4148W
7002
U12:A
D38
R106
1
2
R107
ACPTT
10KP
1N4148W
10KP
DGND
D40
5
4
ACCMON
1N4148W
D41
LCLMON
D42
1N4148W
R108
R109
DSMON
7
6
47K
1N4148W
10KP
7002
DGND
D46
HSPTT
D43
1N4148W
9
10
DSKPTT
1N4148W
D45
LCLPTT
D44
1N4148W
R110
ACPTT
R111
11
12
10KP
1N4148W
10KP
7002
DGND
B+
F1
SW_BAT
L2
1.6 A FB
SHEET 3
PGND
+
B--
B-
SOURCE
DGND
SOURCE
DGND
+10V
SOURCE
SOURCE
5VA
12
+
14
U7:D
+
13
5VREF
_
3403
AGND
SPMUTE
SHEET 1
Q3
B-
INDICATOR FUNCTIONS
TO SHEET 3
MONLED
RXMON
Q4
PGND
PTTLED
TXPTT
Q5
PGND
SOURCE
+10V
Q6
D
10V REG
+
+
AGND
AGND