Motorola MTR2000 Manual page 154

Base station, repeater and receiver for analog conventional, and trunking systems 132 - 174 mhz
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1
2
P5
P5
C1
R7
C26
LINE
P4
8.5
4.7µF
R1
C52
6800pF
A28
LINE
P4
B28
P4
C28
P4
C99
C100
TV1
TV2
1500pF
1500pF
C101
C102
1500pF
1500pF
A21
P4
C103
C104
1500pF
1500pF
B21
P4
C21
P4
1
2
P6
P6
R8
C2
C30
P4
8.5
4.7µF
R2
C54
6800pF
A32
P4
TV3
TV4
A+
C9
22.0µF
R9
C3
T3
C10
3
4
P4
5
8.5
4.7µF
R95
R3
VR6
C57
C56
1
6
392
6800pF
6800pF
A9
P4
R108
5.6
VR5
TV5
TV6
11.8V
1
U1
C4
R10
C12
T4
3
4
P4
VR8
8.5
5
4.7µF
R105
C59
R96
1
6
C58
6800pF
6800pF
A11
P4
VR7
TV7
TV8
VCC
VCC
14
14
VCC
VCC
U8
U9
GND
GND
7
7
VCC
VCC
7
16
7
16
VEE
VCC
VEE
VCC
U12
U13
GND
GND
8
8
A+
C8
11.8V
22.0µF
T1
3
4
R97
5
14
Q1
C53
R93
U3
VR2
1
6
0.0
6800pF
392
R38
4700
3.4V
R107
5.6
VR1
4V
11.8V
Q2
R98
+2V
C38
C34
7
U3
0.1µF
0.1µF
0.0
R57
R88
R87
78.7K
200K
200K
12
R54
R53
R37
C75
14
100
100
4700
470pF
U1
13
C82
R58
220pF
78.7K
R11
C80
13
9
X1
100K
14
330pF
X0
12
X
U12
U3
10
8
11
SELECT
6
ENABLE
T2
3
4
C11
1.0µF
5
R94
C55
1
6
VR4
6800pF
392
VR3
C26
R102
4700pF
6.81K
C91
.680µF
11.8V
12
R99
14
U4
Q3
13
VCC
0.0
R41
C68
U2
4700
1
100pF
3.4V
R36
C45
5600
0.1µF
3.4V
4V
C42
C43
5
0.1µF
0.1µF
R100
+2V
7
U4
Q4
6
C67
R28
0.0
12K
100pF
R59
R90
R89
1
X1
15
X0 2
78.7K
200K
200K
X
R56
R55
R40
C78
R16
U13
3
SELECT 10
100
100
4700
470pF
47K
2
ENABLE 6
C20
R17
C83
R60
220pF
78.7K
47K
1.0µF
VCC
R20
12K
R31
C41
C81
R12
10K
2.3V
C40
13
9
0.1µF
14
X1
0.1µF
X0 12
330pF
100K
X
U13
U4
10
8
SELECT 11
ENABLE 6
3
1.0µF
1
U5
2
C18
1.0µF
C22
6
C69
8
392
X
Y
2
U10
100pF
U10
ON/OFF*
R92
121K
Y
C27
R73
9
12.7K
4700pF
VCC
2
ON/OFF*
ON/OFF* 6
13
U9
U4
14
U9
3
9
X 8
2
1
1
Y
Y
X
VCC
U10
GND
7
VCC
4
4
13
9
6
VCC
VCC
14
8
7
U2
U2
U2
12
10
5
U2
U1
VEE
VEE
11
11
TTN5068A 8-WIRE VOICE AUDIO DATA PATH SCHEMATIC
+2V
12
2.4V
2.4V
C60
R44
13
VCC
6
2200pF
1200
5
ON/OFF*
C65
7
1.0µF
3
R23
R106
U1
5
4
100pF
Y
X
U8
R35
C36
20K
20K
C14
5600
0.1µF
C70
R81
C61
1000pF
10.0K
2200pF
3.4V
5
6
C64
R27
100pF
5
12K
ON/OFF*
3
1
4
X1
Y
X
15
U9
2
X
X0
R13
U12
47K
10
SELECT
R61
R75
6
ENABLE
C13
R14
39.2K
12.1K
47K
1.0µF
VCC
R19
+2V
12K
R29
C29
C30
10K
2.3V
0.1µF
0.1µF
C76
R65
C16
5
470pF
7
R77
10
1.0µF
31.6K
R83
8
U5
6
U5
12.1K
9
1.0µF
10.0K
C15
R72
R69
12.7K
14.7K
11
12
11
C66
Y
9
X
8
X
10
X
Y
12
ON/OFF*
100pF
6
U9
ON/OFF*
R91
U8
U8
Y
121K
R71
10
12.7K
R15
47K
+2V
R45
2.4V
C62
2
1200
ON/OFF* 12
2200pF
1.0µF
R25
R26
10
U10
3
11
Y
X
20K
20K
C21
C74
R84
C63
R85
10.0K
2200pF
10.0K
1000pF
ON/OFF* 13
2
U8
1
Y
X
3
X1
5
X
X0
R62
R78
4
U13
9
39.2K
12.1K
SELECT
6
ENABLE
+2V
+D5V
R67
C50
31.6K
R68
C79
22000pF
6
12
1.0µF
31.6K
R80
14
470pF
R86
U5
VDD
13
10 PDI
12.1K
C23
12
BCLKT
10.0K
17
9
BCLKR
TG
R74
R70
2.4V
1
11
MCLKT
RO_POS
3
2
12.7K
14.7K
PI
RO_NEG
X 4
19
TI_POS
5
Y
PO_POS
X 1
U10
4
3
18 TI_NEG
PO_NEG
ON/OFF* 5
8 DR
13
7 FSR
13
U7
DT
14 FST
20
16 MU_A
VAG
VSS
15
A+
A+
4
4
VCC
VCC
U4
U3
VEE
VEE
11
11
C19
+D5V
VCC
16
1.0µF
VCC
15
13 OE*
4
QA
QB 1
VCC
10 RESET*
QC 2
3
U5
R32
11
QD
S CLK
4
QE
10K
12
QF 5
L CLK
VEE
6
QG
11
14 A
U15
7
QH
9
SQH
GND
A
8
8-WIRE WIB MODULE
C7
R18
R34
33K
22.0µF
5600
+D5V
C51
9
R39
C25
4700
U1
10
4700pF
8
6800pF
R33
5600
R82
A+
10.0K
5V
C73
C46
VCC
2.4V
1000pF
47000pF
3
1
OUT
IN
U16
C71
C92
R22
GND
1000pF
100µF
22K
2
3
X1
5
X
X0
U12
4
9
SELECT
6
R42
ENABLE
3300
2
U3
3
C37
R43
C33
+D5V
0.1µF
2200
0.1µF
R64
C48
C35
31.6K
6
22000pF
0.1µF
VDD
PDI
10
12
BCLKT
17
TG
9
BCLKR
2.4V
1
RO_POS
11
MCLKT
2
3
PI
RO_NEG
5
19
18 TI_POS
PO_POS
4
TI_NEG
PO_NEG
8
DR
13
7
DT
FSR
U6
14
20
FST
VAG
16
MU_A
R63
C47
C28
VSS
31.6K
15
22000pF
0.1µF
R46
C10
12.1K
C88
680
10pF
R76
1.0µF
R47
C98
C87
680
100pF
100pF
+D5V
C12
16
R48
1.0µF
VCC
QA 15
13
OE*
1
C84
680
QB
10
QC 2
RESET*
10pF
R30
QD 3
11
4
S CLK
QE
10K
12
5
L CLK
QF
R50
QG 6
14 A
U14
QH 7
C86
680
SQH 9
10pF
GND
A
8
R49
C85
680
10pF
C44
0.1µF
R66
C39
C49
31.6K
0.1µF
22000pF
R51
C17
R79
680
C90
10pF
12.1K
1.0µF
R52
680
C89
10pF
MODEL TTN5068A
B20
P4
A3
P4
L9
B3
P4
6.8uh
C3
C32
P4
C93
0.1µF
100µF
A15
P4
L10
B15
P4
6.8uh
C15
C31
P4
0.1µF
C19
P4
+2V
1.5V
1
A14
P4
B14
P4
C14
P4
A2
P4
B2
P4
C2
P4
A5
P4
C6
P4
C
B5
P4
R104
A1
P4
680
B
C1
P4
A7
P4
C7
P4
C8
P4
B16
P4
C20
P4
B4
P4
A6
P4
C
C4
P4
B6
P4
68P81094E29-B
Schematics (Sheet 3 of 7)
03/26/99

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