Viking VX 900 MHz LTR Manuals

Manuals and User Guides for Viking VX 900 MHz LTR. We have 1 Viking VX 900 MHz LTR manual available for free PDF download: User Manual

Viking VX 900 MHz LTR User Manual (234 pages)

75-160W Repeater

Brand: Viking | Category: Repeater | Size: 12.73 MB

Table of Contents
5
Introduction and Operation

15
Scope of Manual

15
Repeater Identification

15
Model Number Breakdown

15
Repeater Description

15
- Trunked System
  15
- Ltr Trunked System
  15
- Power Amplifier
  15
Accessories

16
Product Warranty

17
Factory Technical Service

17
- Viking VX Repeater Accessories
  17
Factory Returns

18
Replacement Parts

18
Internet Home Page

19
Software Updates/Revisions

19
Repeater Operation

19
- Main Processor Card (Mpc)
  19
- Repeater Cards
  19
- Alarm in Test Mode
  20
- Active Repeater Alarms
  20
  - Main Audio Card (Mac)
    21
  - Interface Alarm Card (Iac)
    21
  - Power Supply
    22
Repeater Information

22
- Introduction
  22
- Home Repeaters
  22
- Inter-Repeater Data Communication
  22
- Mobile Transceivers
  22
Repeater Data Bus Signaling

22
- General
  22
- Mobile Data Message Order
  23
- ID Validator Operation
  23
- Specifications
  25
Installation

27
Introduction

27
- Site Preparation and Antenna Installation
  27
Environment

27
Ventilation

27
Ac Power

27
Battery Backup

28
Power Supply

28
- Temperature Sensor Cable
  28
- Output Voltages
  28
- Over Voltage
  28
  - Ac Input Requirements
    29
Grounding

29
- Protection Guidelines
  30
Unpacking and Inspection

31
- Rack Mounted Repeaters
  31
Repeater Data Bus Installation

32
- Mpc Data Bus Switch Settings
  32
- Mpc Data Bus Switches
  32
  - Mpc Data Bus Jumper Settings
    33
Connecting Receive and Transmit Antennas

33
- Mpc Jumpers
  33
- Antenna Connections
  33
Ocxo Drawer Connections

34
Software

41
Introduction

41
- How to Use this Manual
  41
- Getting Started
  41
- Computer Description
  41
- Eeprom Data Storage
  41
- Command Line Options
  42
- Color or Monochrome Operation
  42
Repeater Program Software

42
- Installing the Software
  42
- Minimum Free Memory Required
  43
Repeater Programmer

43
- Program Files
  43
Alignment Software

43
- Repeater Test Menu
  43
Help F1

44
- Programming Flowchart
  44
- Alarm Configuration
  44
Pull down Menus

45
Menu Displays

45
File Menu

45
- Load
  45
- Save
  45
- Save as
  45
- Load File
  45
- Save File
  45
  - Print Repeater Configuration
    46
  - Dos Shell
    46
  - Quit (Alt X)
    46
Edit

46
- Edit Programming Flowchart
  46
- Edit Menu
  46
  - Setup Parameters
    47
  - Select Repeater
    48
  - Alarm Configuration
    48
- Repeater List
  48
- Input Alarms
  48
- Output Alarms
  48
  - Repeater Type
    49
  - Delete Repeater
    49
  - Telephone Parameters
    49
Transfer

49
- Alarm Cross Reference
  49
  - Write Setup Parameters
    50
  - Read Setup Parameters
    50
- Reading Setup
  50
Hardware

51
- Hsdb Monitor
  51
- Receive/Transmit Data
  51
- Rf Data
  51
- Input Monitor
  52
- Revision/Version
  52
- Mode Select
  52
- Rf Line Monitor
  52
- Setup Parameters
  52
Test

53
- Test Programming Flowchart
  53
- Exciter
  54
- Full Repeater
  54
- Power Amplifier
  54
- Receiver
  54
Utilities

54
- Com Port
  54
- Display Mode
  55
- User Level
  55
Repeater Programming

57
Creating a New File

57
- Select Repeater to Edit
  57
Adding a Repeater to a File

57
- Repeater Setup Parameters
  58
Circuit Description

61
Receiver

61
- Introduction
  61
- Regulated Voltage Supplies
  61
- Helical Filter (L201-L203), Rf Amplifier (Q201)
  61
- First Mixer (U201), Crystal Filter (Z201/Z202)
  61
- If Amplifier (Q202), Crystal Filter (Z203/Z204)
  61
- Second Mixer/Detector (U202)
  62
- Receiver Block Diagram
  62
  - Wideband Audio Amplifier (U203B)
    63
  - Rssi Amplifier (U203A)
    63
  - High Stability Synthesizer (U205)
    63
  - Synthesizer Block Diagram
    64
  - Lock Detect
    65
  - Buffer Amplifier (Q206, Q207)
    65
  - Vco (A006)
    65
  - Active Filter
    65
  - Buffer (Q208, Q209)
    65
  - Synthesizer (U209)
    66
  - Buffer Amplifier (Q210, Q211)
    67
  - Lock Detect
    67
  - Buffer Amplifier (Q214, Q215)
    67
  - Rf Amplifiers (Q216, Q217)
    67
Exciter

67
- Vco (A007)
  67
- Exciter Vco and Tcxo Frequency Modulation
  68
- Active Filter
  68
- Buffer (Q406, Q407)
  68
- High Stability Synthesizer (U401)
  68
- Lock Detect
  69
- Buffer Amplifier (Q401, Q402)
  70
- Exciter Synthesizer (U403)
  70
- Buffer Amplifier (Q403, Q404)
  71
- Buffer Amplifier (Q406, Q407)
  72
- Lock Detect
  72
- Buffer Amplifier (Q410, Q411)
  72
- Rf Amplifiers (Q412, Q413)
  72
Ocxo Drawer

72
Power Amplifier

76
Power Amplifier

77
Rf Interface Board

79
- Power Connector
  79
- Signal Connector (J101)
  79
- Fan Connector (J104)
  81
- Power Amplifier Connections
  81
- Exciter Connector (J102)
  82
- Receiver Connector (J103)
  83
- Rf Interface Board Block Diagram
  85
Power Supply

86
- Filter Board
  86
- Power Factor Correction
  86
- Main Pulse Width Modulator
  86
- Block Diagram
  87
- Synchronizing Circuits
  88
- Fan and Thermal Shutdown
  88
- Converter
  89
- Power Supply Repair and Alignment
  89
Battery Back-Up Module

90
- Operation
  90
- Charger
  90
- Reverse Battery Protection
  91
- Engaging the Relay
  91
- Over/Undervoltage Shutdown
  91
- Bbm Fan Control
  92
Card Rack

92
Alarm External Connector Board

93
Main Processor Card

94
- Introduction
  94
- Main Controller Microprocessor (U27)
  94
- High Speed Data Bus Microprocessor (U13)
  95
- Chip Select Decoders (U15/U4)
  96
- P1 Signal Connector
  96
- J1 Computer Connector
  97
- J2 Memory Select
  97
- J3 Baud Rate
  97
- S2/S3 Hsdb Settings
  97
- J4 Eprom Memory Loading
  97
- J5 Hsdb Speed
  97
- J6 Watchdog
  97
Main Audio Card

97
- Introduction
  97
- Audio/Data Microprocessor (U111)
  98
- Receive Audio
  98
- Receive Squelch Circuitry
  99
- Receive Data Circuitry
  99
- Receive Audio Processing
  99
- Compandor Option
  100
- Transmit Audio
  100
- Transmit Audio Processing
  100
- Transmit Data and Cwid Processing
  100
- P101 Signaling Connector
  101
- P100 External Outputs
  102
- J100 a D Level Test Point
  103
- J101 Speaker/Microphone
  103
- J102 Local Microphone
  103
- J103 Ground
  103
- J104 External Speaker
  103
- J105 Watch Dog
  103
- J106 Tx Data Path
  103
Interface Alarm Card

103
- Relay Outputs
  103
- Isolated Inputs
  104
- Alarm Indicators
  104
- Alarm Functions
  105
- P500 Signaling Connector
  105
- P501 External Outputs
  106
- J500 a D Level Test Point
  108
- J501 Ground
  108
- J502 +15V
  108
- Power Switch
  108
- J505 Squelch Enable Output
  108
- Main Processor Card Block Diagram
  109
- Main Audio Card Logic Block Diagram
  110
- Main Audio Card Audio Block Diagram
  111
- Interface Alarm Card Block Diagram
  112
Alignment and Test Procedures

113
Ocxo and Test Equipment Frequency Stability

113
Receiver Alignment

113
- Pre-Test
  113
- Voltage Measurements
  113
- Program Tune-Up Channel
  113
- Tcxo Frequency Adjust
  113
- Vco Test
  113
- Front End Adjustments
  114
- Audio Distortion
  114
Exciter Alignment

115
- Pretest
  115
- Voltage Measurements
  115
- Program Tune-Up Channel
  115
- Tcxo Frequency Adjust
  116
- Vco Test
  116
- Transmit Modulation Adjust
  116
Power Amplifier Alignment

117
- Introduction
  117
- Forward Power Output Calibration
  117
- Pre-Driver Power Limit Adjustment
  117
- Reflected Power Adjust
  118
- Power Amplifier
  118
Power Amplifier Alignment

119
- Power Output Adjustments
  119
- Pre-Driver Power Limit Adjustment
  119
- Reflected Power Adjust
  119
- Rf Interface Board Alignment Points
  120
- Power Extender Cables
  121
  - Receiver Test Setup
    123
  - Exciter Test Setup
    124
Full Repeater Alignment

126
- Performance Test Program
  126
- Repeater Setup
  126
- Transmitter Test/Adjustments
  126
- Receiver Tests/Adjustment
  126
- Receiver Expander Measurement
  128
- Transmit Audio/Data Level Adjustments
  128
- Transmitter Compressor Measurement
  129
- Audio/Data Level Adjustments
  130
- Repeater Operation
  131
- New Hsdb Switch Settings
  131
- Old Hsdb Switch Settings
  131
- Mac Alignment Points
  132
  - Main Processor Card Alignment Points
    133
  - Interface Alarm Card Alignment Points
    134
Servicing

135
Introduction

135
- Periodic Checks
  135
- Surface-Mounted Components
  135
- Schematic Diagrams and Component Layouts
  135
- Replacement Parts List
  135
- Tcxo Modules Not Serviceable
  135
Synthesizer Servicing

135
- Tcxo Module
  136
- Voltage Controlled Oscillator (Vco)
  136
- Internal Prescaler
  136
- Lock Detect Waveform
  136
- Modulus Control Waveform
  136
  - Calculating "N " and "A " Counter Divide Numbers
    137
Receiver Servicing

137
Transmitter Servicing

137
Power Supply Servicing

137
- Power Supply Rear View
  138
- Power Supply Front View
  138
  - Voltage Checks
    139
Chip Component Identification

139
- CERAMIC CHIP CAPS (510-36Xx-XXX)
  139
- TANTALUM CHIP CAPS (510-26Xx-XXX)
  139
- CHIP INDUCTORS (542-9000-XXX)
  139
- Chip Resistors
  139
- Chip Transistors and Diodes
  140
- Chip Inductor Identification
  140
- Ceramic Chip Cap Identification
  140
Beryllium Product Warning

141
Grafoil Replacement Procedure

141
Parts List

143
- 900 Mhz Ltr-Net 75W Repeater
  143
- 900 Mhz Ltr-Net 160W Repeater
  143
- Transmit/Receive Module
  144
- Repeater Enclosure Assembly
  144
- Transceiver Mechanical
  145
- Controller Backplane Card
  145
- External Connector Board
  146
- Power Supply Filter Board
  146
- Receive Vco
  149
- 900 Mhz Receiver
  149
- Transmit Vco
  153
- 900 Mhz Exciter
  153
- Forward/Reverse Power Detector
  159
- 900 Mhz 75W Pa Mechanical
  160
- 900 Mhz 160W Pa Mechanical
  161
- 2000 Series Repeater Power Supply
  161
- Power Supply Main Board
  162
- Ac Filter Board
  167
- Battery Back-Up
  167
- Thermal Sensor Board
  169
- Ocxo Drawer
  169
- Ocxo Drawer Power Supply
  172
- Main Processor Card
  173
- Main Audio Card
  174
- Interface Alarm Card
  180
Schematics and Component Layouts

183
- Rf Module Interface Connector
  184
- Ocxo Drawer Front/Rear Panel
  185
- Repeater Rear View
  185
- Repeater Front View
  185
- Ocxo Drawer
  185
- Repeater Cabinet Exploded View
  185
- Backplane Interconnect
  187
- Rf Interface Board Component Layout
  188
- Rf Interface Board Schematic
  189
- Receiver Component Layout
  190
  - Receive Vco Component Layout
    191
  - Receive Vco Schematic
    192
- Receiver Schematic
  193
- Exciter Component Layout
  194
  - Transmit Vco Component Layout
    195
  - Transmit Vco Schematic
    196
- Exciter Schematic
  197
- Power Amplifier Component Layout
  198
- Power Amplifier Schematic
  199
- Power Amplifier Component Layout
  200
- W Power Amplifier Schematic
  201
- Forward/Reverse Power Board Component Layout
  202
- Forward/Reverse Power Board Schematic
  203
- Ocxo Component Layout
  204
- Ocxo Schematic
  205
- Ocxo Power Supply Component Layout
  206
- Ocxo Power Supply Schematic
  207
- Main Processor Card Component Layout
  208
- Main Processor Card Schematic (1 of 2)
  209
- Main Processor Card Schematic (2 of 2)
  210
- Main Audio Card Component Layout (Component Side)
  211
- Main Audio Card Component Layout (Opposite Component Side)
  212
- Main Audio Card Schematic (1 of 3)
  213
- Main Audio Card Schematic (3 of 3)
  215
- Interface Alarm Card Component Layout
  216
- Interface Alarm Card Schematic
  217
- Backplane Component Layout (Card Side)
  218
- Backplane Component Layout (Cable Side)
  219
- Backplane Schematic
  220
- Power Supply Component Layout (Opposite Component Side)
  221
- Power Supply Component Layout (Component Side)
  222
- Power Supply Schematic (1 of 2)
  223
- Power Supply Schematic (2 of 2)
  224
- Power Supply Filter Board Component Layout
  225
- Power Supply Filter Board Schematic
  225
- Battery Back-Up Component Layout
  226
- Battery Back-Up Schematic
  227
- Power Cable Connector and Schematic
  228
- Compandor Schematic
  228
- Compandor Component Layout
  228
900 Mhz CHANNEL FREQUENCY CHART

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Viking VX 900 MHz LTR Manuals

Viking VX 900 MHz LTR User Manual (234 pages)

Table of Contents

Introduction and Operation

Scope of Manual

Repeater Identification

Model Number Breakdown

Repeater Description

Accessories

Product Warranty

Factory Technical Service

Factory Returns

Replacement Parts

Internet Home Page

Software Updates/Revisions

Repeater Operation

Repeater Information

Repeater Data Bus Signaling

Installation

Introduction

Environment

Ventilation

Ac Power

Battery Backup

Power Supply

Grounding

Unpacking and Inspection

Repeater Data Bus Installation

Connecting Receive and Transmit Antennas

Ocxo Drawer Connections

Software

Introduction

Repeater Program Software

Repeater Programmer

Alignment Software

Help F1

Pull down Menus

Menu Displays

File Menu

Edit

Transfer

Hardware

Test

Utilities

Repeater Programming

Creating a New File

Adding a Repeater to a File

Circuit Description

Receiver

Exciter

Ocxo Drawer

Power Amplifier

Power Amplifier

Rf Interface Board

Power Supply

Battery Back-Up Module

Card Rack

Alarm External Connector Board

Main Processor Card

Main Audio Card

Interface Alarm Card

Alignment and Test Procedures

Ocxo and Test Equipment Frequency Stability

Receiver Alignment

Exciter Alignment

Power Amplifier Alignment

Power Amplifier Alignment

Full Repeater Alignment

Servicing

Introduction

Synthesizer Servicing

Receiver Servicing

Transmitter Servicing

Power Supply Servicing

Chip Component Identification

Beryllium Product Warning

Grafoil Replacement Procedure

Parts List

Schematics and Component Layouts

900 Mhz CHANNEL FREQUENCY CHART