Parts List
Table Of Contents
- 1GENERAL
- 2SYSTEM OVERVIEW
- 2.1Transmitter Operation
- 2.2Frequency Selection
- 2.2.1Synthesizer Transmitter
- 2.3Transmitter Assembly and Adjustment
- 2.3.1Complete Transmitter Alignment
- 2.3.2Frequency Change
- 2.3.3Output Power Adjustment
- 2.3.4Deviation Setting
- 2.3.5Setting RF Alarm Thresholds
- 2.4Recommended Test Equipment List
- 2.5Repair Note
- 2.6Printed Circuitboard Numbering Convention
- 3ILLUSTRATIONS
- 4PARTS LIST
- 5REVISION HISTORY
- TRANSMITTER MAIN BOARD
- 1GENERAL
- 2THEORY OF OPERATION
- 2.1 Transmitter Main Board
- 2.1.1General
- 2.1.2Transmitter Push-To-Talk
- 2.1.2.1Microphone PTT
- 2.1.2.2PTT With Time-Out-Timer
- 2.1.2.3PTT No Time-Out-Timer
- 2.1.2.4Optional Relay
- 2.1.2.5PTT Output
- 2.1.2.6PTT Voltage Switching
- 2.1.2.7Transmitter Standby Modes
- 2.1.3Audio Circuits
- 2.1.3.1Microphone Audio
- 2.1.3.2Received Audio
- 2.1.4Channel Selection
- 2.1.4.1Synthesized Transmitter
- 2.1.4.2Crystal Controlled Transmitter
- 2.1.5Amplifier Circuits
- 2.1.6Time-Out-Timer Circuitry
- 2.2MT-3 Front Panel Board
- 2.3MT-3 Audio Processor (Version 1.6)
- 2.3.1General
- 2.3.2Power Requirements
- 2.3.3Audio Processor Turn-on Time
- 2.3.4Audio Processor Signals
- 2.3.4.1Audio Processor Outputs
- 2.3.4.2Audio Processor Modulation Output
- 2.3.4.3Audio Processor Low Frequency / Direct Mod. Output
- 2.3.4.4Audio Processor Inputs
- 2.3.4.5Audio Processor Microphone Input
- 2.3.4.6Audio Processor Balanced Input
- 2.3.4.7Audio Processor Auxiliary Input
- 2.3.4.8Audio Processor Subtone Inputs
- 2.3.4.9Audio Processor Direct Modulation Input
- 2.4MT-3 Audio Processor (Version 1.8)
- 2.4.1General
- 2.4.2Power Requirements
- 2.4.3Audio Processor Turn-on Time
- 2.4.4Audio Processor Signals
- 2.4.4.1Audio Processor Outputs
- 2.4.4.2Audio Processor Modulation Output
- 2.4.4.3Audio Processor Low Frequency / Direct Mod. Output
- 2.4.4.4Audio Processor Inputs
- 2.4.4.5Audio Processor Microphone Input
- 2.4.4.6Audio Processor Balanced Input
- 2.4.4.7Audio Processor Auxiliary Input
- 2.4.4.8Audio Processor Subtone Inputs
- 2.4.4.9Audio Processor Direct Modulation Input
- 2.5Low Frequency Modulation
- 3TRANSMITTER ALIGNMENT
- 3.1General
- 3.2Repair Note
- 3.3Printed Circuitboard Numbering Convention
- 3.4Recommended Test Equipment List
- 3.5Standard Factory Settings and Jumper Configuration
- 3.5.1MT-3 Transmitter Board Factory Configuration
- 3.5.2MT-3 Audio Processor Factory Configuration (Version 1.6)
- 3.6MT-3 Transmitter Board Alignment
- 3.6.1General
- 3.6.2MT-3 Transmitter Board Test Points
- 3.7Module Installation and Removal
- 3.8MT-3 Audio Processor Alignment (Version 1.6)
- 3.8.1General
- 3.8.2MT-3 Audio Processor Standard Deviation Adjustment
- 3.9Standard Factory Settings and Jumper Configuration
- 3.9.1MT-3 Audio Processor Factory Configuration (Version 1.8)
- 3.10MT-3 Audio Processor Alignment (Version 1.8)
- 3.10.1General
- 3.10.2MT-3 Audio Processor Standard Deviation Adjustment
- 3.11Low Frequency Modulation Configuration
- 3.11.1MT-3 Transmitters
- 3.11.2MT-3 Transmitter Audio Processors
- 3.11.3Synthesizer and Crystal Controlled Oscillator
- 3.11.4Tuning the Transmitter
- 4TRANSMITTER INTERCONNECT PIN DEFINITIONS
- 5ILLUSTRATIONS AND SCHEMATIC DIAGRAMS
- 5.1Transmitter Block Diagram
- 5.2Transmitter Main Board Electrical Assembly
- 5.2.1Transmitter Main Board Top Side Component Layout
- 5.2.2Transmitter Main Board Bottom Side Component Layout
- 5.2.3Transmitter Main Board Schematic Diagram
- 5.3Front Panel Board
- 5.3.1Front Panel Board Component Layout
- 5.3.2Front Panel Board Schematic
- 5.4Audio Processor Electrical Assembly (Version 1.6)
- 5.4.1Audio Processor Component Layout
- 5.4.2Audio Processor Schematic Diagram
- 5.5Audio Processor Electrical Assembly (Version 1.8)
- 5.5.1Audio Processor Component Layout
- 5.5.2Audio Processor Schematic Diagram
- 6PARTS LISTS
- 6.1Transmitter Main Board Parts List
- 6.1.1Transmitter Main Board Electrical Parts List
- 6.1.2Transmitter Main Board Mechanical Parts List
- 6.1.3MT-3 Front Panel Board Electrical Parts List
- 6.2MT-3 Audio Processor Parts List (Version 1.6)
- 6.2.1MT-3 Audio Processor Electrical Parts List (Version 1.6)
- 6.3MT-3 Audio Processor Parts List (Version 1.8)
- 6.3.1MT-3 Audio Processor Electrical Parts List (Version 1.8)
- 7REVISION HISTORY
- AUDIO PROCESSOR
- 1 FM AUDIO PROCESSOR
- 2 SIGNALS
- 3 THEORY OF OPERATION
- 4 ALIGNMENT
- 5 TROUBLESHOOTING - TEST EQUIPMENT NEEDED
- 6 TEMPERATURE COMPENSATION
- 7 ILLUSTRATIONS, TABLES AND SCHEMATIC DIAGRAMS
- 8 FM AUDIO PROCESSOR PARTS LIST
- 9 AM AUDIO PROCESSOR
- 9.1 Introduction
- 9.2 Performance Specifications
- 9.3 Audio Specifications
- 9.4 Audio Circuits
- 9.5 Power Requirements
- 9.6 Transmitter Standby Modes
- 9.7 Audio Circuitry
- 9.8 AM Audio Processor Factory Configuration
- 9.9 AM Audio Processor Alignment
- 9.10 AM Audio Processor Electrical Parts List
- 9.11 AM Audio Processor Component Layout
- 9.12 AM Audio Processor Schematic Diagram
- 10 REVISION HISTORY
- VHF AMPLIFIER
- 1GENERAL
- 2THEORY OF OPERATION
- 3VT-3/150 AMPLIFIER ALIGNMENT
- 3.1General
- 3.2Repair Note
- 3.3Recommended Test Equipment List
- 3.4Printed Circuitboard Numbering Convention
- 3.5Standard Factory Settings and Jumper Configuration
- 3.6VT-3/150 Amplifier Alignment
- 3.6.1General
- 3.6.2VT-3/150 Amplifier Adjustment
- 3.6.2.1General Set-Up
- 3.6.2.2Output Power Alarm (Forward Power)
- 3.6.2.3Output Power
- 3.6.2.4Antenna VSWR Alarm (Reverse Power)
- 3.6.2.5Antenna VSWR Overload
- 3.6.2.6Procedure Verification
- 4ILLUSTRATIONS AND SCHEMATIC DIAGRAMS
- 5PARTS LISTS
- 6REVISION HISTORY
- ENHANCED AM/FM SYNTHESIZER
- 1. GENERAL
- 2. THEORY OF OPERATION
- 2.1 Internal Power and Control (Digital Board)
- 2.2 Synthesizer Analog Circuitry (Analog Board)
- 2.2.1 Common Analog Board Circuitry
- 2.2.2 29 - 71.4 MHz Analog Board Circuitry
- 2.2.3 118 - 159.4 MHz Multichannel AM Analog Board Circuitry
- 2.2.4 128 - 174 MHz Analog Board Circuitry
- 2.2.5 406 - 470 MHz Analog Board Circuitry
- 2.3 Synthesizer Digital Circuitry (Digital Board)
- 2.4 Frequency Control
- 2.4.1 BCD Switch Frequency Control
- 2.4.2 Frequency Select Handle Frequency Control
- 2.5 Synthesizer Base and Frequency Increment Table
- 2.6 5.0/6.25 kHz Channelization.
- 2.7 8.333 kHz Channelization.
- 2.8 12.5 kHz Channelization.
- 3. SYNTHESIZER ALIGNMENT
- 3.1 General
- 3.2 Repair Note
- 3.3 Recommended Test Equipment
- 3.4 OS(R/T)-3(A/H) Synthesizer Factory Configuration
- 3.5 OS(R/T)-3(A/H) Synthesizer Alignment
- 3.5.1 General
- 3.5.2 Synthesizer Test Points
- 3.5.3 Synthesizer Removal and Installation
- 3.5.4 Circuit Board Removal
- 3.5.5 Frequency Adjustment and Channel Selection
- 3.5.5.1 VHF OS(R/T)-3H 29 - 71.4 MHz VCO Alignment
- 3.5.5.2 VHF OS(R/T)-3A 118 - 159.4 MHz Alignment
- 3.5.5.3 VHF OS(R/T)-3H 128 - 174 MHz VCO Alignment
- 3.5.5.4 UHF OS(R/T)-3H 406 - 470 MHz VCO Alignment
- 3.5.5.5 Reference Frequency Alignment
- 3.5.6 Jumper Configuration
- 4. ILLUSTRATIONS AND SCHEMATIC DIAGRAMS
- 4.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Diagrams
- 4.1.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Bottom)
- 4.1.2 OS(R/T)-3H 29 - 71.4 MHz Analog Board Component Layout (Top)
- 4.1.3 OS(R/T)-3H 29 - 71.4 MHz Analog Board Schematic Diagram
- 4.2 OS(R/T)-3A 118 - 159.4 MHz Analog Board Diagrams
- 4.2.1 OS(R/T)-3A 118 - 159.4 MHz Analog Board Component Layout (Bottom)
- 4.2.2 OS(R/T)-3A 118 - 159.4 MHz Analog Board Component Layout (Top)
- 4.2.3 OS(R/T)-3A 118 - 159.4 MHz Analog Board Schematic Diagram
- 4.3 OS(R/T)-3H 128 - 174 MHz Analog Board Diagrams
- 4.3.1 OS(R/T)-3H 128 - 174 MHz Analog Board Component Layout (Bottom)
- 4.3.2 OS(R/T)-3H 128 - 174 MHz Analog Board Component Layout (Top)
- 4.3.3 OS(R/T)-3H 128 - 174 MHz Analog Board Schematic Diagram
- 4.4 OS(R/T)-3H 406 - 470 MHz Analog Board Diagrams
- 4.4.1 OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout (Bottom)
- 4.4.2 OS(R/T)-3H 406 - 470 MHz Analog Board Component Layout (Top)
- 4.4.3 OS(R/T)-3H 406 - 470 MHz Analog Board Schematic Diagram
- 4.5 OS(R/T)-3(A/H) Digital Board Diagrams
- 4.5.1 OS(R/T)-3(A/H) Digital Board Component Layout (Bottom)
- 4.5.2 OS(R/T)-3(A/H) Digital Board Component Layout (Top)
- 4.5.3 OS(R/T)-3(A/H) Digital Board Schematic Diagram
- 5. PARTS LISTS
- 5.1 OS(R/T)-3H 29 - 71.4 MHz Analog Board Electrical Parts List
- 5.2 OS(R/T)-3A 118 - 159.4 MHz Analog Board Electrical Parts List
- 5.3 OS(R/T)-3H 128 - 174 MHz Analog Board Electrical Parts List
- 5.4 OS(R/T)-3H 406 - 470 MHz Analog Board Electrical Parts List
- 5.5 OS(R/T)-3(A/H) Digital Board Electrical Parts List
- 5.6 OS(R/T)-3(A/H) Synthesizer Mechanical Parts List
- 6. REVISION HISTORY
- VHF CHANNEL DESIGNATION TABLES
VICTORIA B.C .
DANIELS
ELECTRONICS
DRAWN BY: SHANE A
DWG REV DATE: OCT 27/00
DATE: MAR 27/00
DWG No: 9119ASx
TITLE: AM TRANSMITTER
D
TITLE: AM TRANSMITTER SURFACE MOUNT LAYOUT TITLE: FM TX AUDIO PROCESSOR BOARD OUTLINE
ELECTRONICS
PCB 43-911923
BOTTOM SIDE
TOP SIDE
TITLE: FM TX AUDIO PROCESSOR SM LAYOUT
DWG No: 9119AS1
- JUMPERS INSTALLED
TITLE: FM TX AUDIO PROCESSOR SM LAYOUT / JUMPERS
JU41
JU4
JU17
JU36
JU2X Y
X
Y
JU14
Y X
JU20
X Y
JU27X Y
JU5
Y
X
JU1
X Y
JU15
X
Y
JU12
X
Y
JU9
X
Y
X
JU39
Y
X
JU35
Y
X
JU34
Y
X
JU21
X
Y
X
JU25
Y
X
JU19
X
Y
JU22
Y
X
JU6
JU8
JU32
JU31
JU18
JU37
JU38
JU29
JU7
JU23
JU28
JU13
JU10
JU16
JU33
JU11
JU42X Y
JU43
Y
X
JU44
JU45
JU26
DWG No: 9119AS2B
JU3
Y
Y JU24
C8
4.7µF
P1
C26
4.7µF
R73
N/I
R6
18k2
R4
18k2
R56
0R0
C5
10nF
R1
0R0
C4
1µF
R5
1M0
R64
100k
R30
604R0
R74
N/I
R7
2k21
P2
C10
10nF
R11
2k21
R10
49k9
R8
2k21
R57
SEL
R40
49k9
R52
100k
R26
SEL
R25
SEL
R49
16k2
R15
10k0
C20
10nF
C36
330nF
R13
10k0
R20
SEL
R28
SEL
R81
SEL
P4
C18
100nF
C17
10nF
R17
SEL
R18
SEL
R34
49k9
C23
330pF
R16
100k0
C41
10nF
R45
N/I
R44
0R00
R53
N/I
R32
SEL
R54
SEL
C12
1.0nF
R50
49k9
C24
10nF
C45
4.7µF
R35
SEL
R12
N/I
R79
49k9
R22
49k9
R21
49k9
R55
49k9
C6
1µF
C21
1µF
P3
R58
0R00
R72
0R00
R37
49k9
R77
20k0
R75
10k0
Q1
BC817-25
R68
3k48
R69
2k00
R66
22k1
R67
30k9
C3
4.7µF
R63
5K0
U4
LTC1569-6
R42
5k0
R2
5K0
R31
5K0
R38
5K0
R48
100K0
R14
N/I (5K0)
R29
50k0
U3
MC33174
R36
50k0
FB1
U5
TC4S66F
U1
SA571D
C13
47uF
C29
47uF
C31
47uF
C34
47uF
U2
MC33174
U6
TC4S66F
TITLE: FM TX AUDIO PROCESSOR SM DESIGNATIONS
R83
50k0
C48
4.7µF
C50
4.7µF
C42
680nF
C7
680nF
R23
SEL
R24
SEL
R85
10k0
R78
10k0
C49
10nF
R86
10k0
C27
100nF
R9
49k9
R65
100k
R71
5k11
R46
4k53
C14
10nF
C43
150pF
R84
10k0
R82
10k0
C19
330nF
R43
11k8
R47
100k
R3
100k
R33
100k
R59
20k
R41
137k
R51
10k0
R62
15k4
R76
16k2
C1
1µF
C30
1µF
C9
1µF
C2
1µF
C25
1µF
C35
1µF
C39
2.2µF
R39
15k4
R60
18k2
R61
18k2
R80
27k4
C28
4.7µF
C51
1µF
C16
1.0µF
C46
1.0µF
C47
1.0µF
C33
1.0µF
C22
10nF
R70
10k0
C44
330pF
R87
50K0
C40
1.0µF
R88
49k9
C52
150pF
C53
4.7µF
C54
100nF
C55
100nF
C56
33nF
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
DWG No: 9119AS3B
R89
100R
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
TITLE: FM TX AUDIO PROCESSOR TH LAYOUT
DWG No: 9119AT1DWG No: 9119AT3
C38
3.3nF
P2 P3P4
R27
SEL
C37
3.3nF
C32
N/I
(22nF)
P1
TITLE: FM TX AUDIO PROCESSOR TH DESIGNATIONS
P5
P8
P6
P7
C15
3.3nF
R19
SEL
DWG No: 9119AT2
Wire Jumper for
UHF versions only
7-2 FM Audio Processor Board Instruction Manual
P10
P11
TP3
TP11
TP4
TP12
TP7
TP9
TP6
TP1
TP10
TP2
TP8
P9
P5
P8
P6
7.2 FM Audio Processor Component Layout V2.3
P12
P7
TP13
TP5
TP14
MICROPHONE
INPUT LEVEL
CONTROL
BALANCED
INPUT LEVEL
CONTROL
BALANCED
COMPRESSION
CONTROL
MICROPHONE
COMPRESSION
CONTROL
AUXILIARY
INPUT LEVEL
CONTROL
4.0V
VOLTAGE
ADJUST
SUBTONE 1
INPUT LEVEL
CONTROL
DEVIATION
CONTROL
TCXO
DC LEVEL
ADJUST
TCXO
MODULATION
LEVEL ADJUST
INPUT
DC LEVEL
ADJUST
1
2
A B C D E F G H I J
3
4
K L M N O P Q R S T
MT3APM1F
R1 J1
R2 K3
R3 H1
R4 J1
R5 I2
R6 J2
R7 H2
R8 E2
R9 E2
R10 H2
R11 G2
R12 A1
R13 F1
R14 O3
R15 F1
R16 E1
R17 D2
R18 E2
R19 Q4
R20 E1
R21 B2
R22 A2
R23 C1
R24 C1
R25 D2
R76 I1
R77 C2
R78 D1
R79 C2
R80 A1
R81 C1
R82 G2
R83 S3
R84 E1
R85 C1
R86 D1
R87 M4
R88 E2
R89 D1
C51 F2
C52 G1
C53 N4
C54 G2
C55 A2
C56 B2
FB1 K4
JU1 F1
JU2 H2
JU3 C1
JU4 H1
JU5 G1
JU6 A2
JU7 A1
JU8 A2
JU9 F2
JU10 F1
JU11 I1
JU12 F1
JU13 F1
JU14 G2
JU15 F1
JU16 G1
JU17 I2
JU18 B2
JU19 B1
JU20 H1
JU21 C2
JU22 A1
JU23 D1
JU24 E2
JU25 B1
JU26 E1
JU27 H1
JU28 D2
JU29 B2
JU30 N/A
JU31 B1
JU32 A2
JU33 G2
JU34 D2
JU35 D2
JU36 J2
JU37 D2
JU38 C1
JU39 D1
JU40 N/A
JU41 C1
JU42 H2
JU43 D2
JU44 B2
JU45 B2
P1 L4
P2 O4
P3 S4
P4 R4
P5 Q3
P6 T4
P7 Q4
P8 T3
P9 A1
P10 A1
P11 B1
P12 A1
Q1 C2
R26 C2
R27 P3
R28 E1
R29 S3
R30 J2
R31 M3
R32 C1
R33 H1
R34 D1
R35 A1
R36 T3
R37 C2
R38 N3
R39 I1
R40 F2
R41 I1
R42 R3
R43 G1
R44 D1
R45 D1
R46 F2
R47 G1
R48 O3
R49 G1
R50 B1
R51 I1
R52 F2
R53 D1
R54 C1
R55 B2
R56 J1
R57 G2
R58 B1
R59 I1
R60 H1
R61 H1
R62 J1
R63 N3
R64 I2
R65 G2
R66 A2
R67 A2
R68 A2
R69 A1
R70 H2
R71 G1
R72 B1
R73 I2
R74 I2
R75 C2
C26 H1
C27 B2
C28 S4
C29 Q3
C30 I1
C31 R4
C32 M4
C33 S4
C34 S3
C35 I1
C36 E2
C37 P4
C38 O4
C39 G1
C40 T4
C41 D1
C42 M4
C43 E1
C44 E1
C45 B1
C46 T4
C47 T4
C48 P3
C49 D2
C50 P3
COMPONENT LOCATION TABLE
DES LOC DES LOC DES LOC DES LOC DES LOC DES LOC DES LOC DES LOC DES LOC
C1 I1
C2 J1
C3 O3
C4 J1
C5 J2
C6 A2
C7 L4
C8 J2
C9 I1
C10 G2
C11 N/A
C12 C1
C13 K4
C14 F1
C15 L4
C16 M4
C17 E1
C18 F2
C19 H2
C20 G2
C21 A1
C22 H2
C23 E1
C24 C1
C25 H1
DES LOC
U1 L3
U2 N3
U3 R3
U4 T3
U5 R3
U6 S3
DES LOC
TP1 F1
TP2 B1
TP3 I2
TP4 J1
TP5 C1
TP6 G2
TP7 D2
TP8 D1
TP9 C1
TP10 D1
TP11 I1
TP12 G1
TP13 H2
TP14 C1
DES LOC
ELECTRONICS LTD.
DANIELS
TM