Viking 242-2009-634 Manuals

Manuals and User Guides for Viking 242-2009-634. We have 1 Viking 242-2009-634 manual available for free PDF download: Service Manual

Viking 242-2009-634 Service Manual

Viking 242-2009-634 Service Manual (260 pages)

900 MHz LTR-Net 75W-160W Repeater

Brand: Viking | Category: Repeater | Size: 13.84 MB

Table of Contents

Table of Contents
5
Introduction and Operation

17
Scope of Manual

17
Repeater Identification

17
Model Number Breakdown

17
Repeater Description

17
- Trunked System
  17
- LTR-Net TRUNKED SYSTEM
  17
LTR-Net SIGNALING

18
Accessories

18
- Viking VX Repeater Accessories
  18
Product Warranty

19
Factory Customer Service

19
Factory Returns

20
Replacement Parts

20
Internet Home Page

20
Software Updates/Revisions

20
Repeater Operation

21
- Main Processor Card (Mpc)
  21
- Test Mode
  21
- Alarm in Test Mode
  21
- Repeater Cards
  21
- Active Repeater Alarms
  22
  - Main Audio Card (Mac)
    23
  - Interface Alarm Card (Iac)
    23
  - Power Supply
    24
LTR-Net SYSTEM COMPONENTS

24
- Introduction
  24
- Mobile Transceivers
  24
- Repeaters
  24
- LTR-Net SYSTEM COMPONENTS
  25
LTR-Net FEATURES

27
- Standard and Special Calls
  27
- Unique ID Codes
  27
- Group Identification Calls
  28
- Alarm Forwarding to Switch
  28
- Specifications
  29
Installation

31
Introduction

31
- Site Preparation and Antenna Installation
  31
Environment

31
Ventilation

31
Ac Power

31
Battery Backup

32
Power Supply

32
- Battery Backup Connector
  32
- Temperature Sensor Cable
  32
- Output Voltages
  32
  - Ac Input Requirements
    33
Grounding

33
- Protection Guidelines
  34
Unpacking and Inspection

35
- Rack Mounted Repeaters
  35
Repeater Data Bus Installation

36
- Mpc Data Bus Switch Settings
  36
- Mpc Data Bus Jumper Settings
  36
- Channel Combining System
  36
- Mpc Data Bus Switches
  36
- Mpc Jumpers
  36
Connecting Receive and Transmit Antennas

37
Connecting Audio/Data Link to Switch

37
- Voice Link
  37
- Data Link
  37
- Antenna Connections
  37
- Terminal Block J2
  37
- Mac Dip Switch Settings for 4-Wire Link
  37
Ocxo Drawer Connections

38
Software

43
Introduction

43
- Programming Setup
  43
- Minimum Computer Requirements
  43
- Programming Cables
  44
- Eeprom Data Storage
  44
- Getting Started
  44
- Limitations
  44
- Laptop Interconnect Cable
  44
Miscellaneous Software Information

45
- Minimum Free Memory Required
  45
- Software Installation
  45
- Starting the Program
  45
Alignment Software

45
Help

45
- Repeater Test Menu
  45
- Programming Flowchart
  46
LTR-Net PROGRAMMER

47
Menu Displays

47
File Menu

47
- New
  47
- Open
  47
- Save as
  47
- Save
  47
- Exit
  47
- Main Menu
  47
- Open / Save as / Save File
  47
Edit

48
- Locality Information
  48
- Edit Programming Flowchart
  48
- Edit Menu
  48
- Locality Configuraiton
  48
- Define Repeaters Parameters
  48
  - Select Repeater
    49
- Adjacent Locality Data
  49
- Adjacent Locality Parameters
  49
  - Repeater Information
    50
- Repeater Configuration
  50
- General Parameters
  50
- Input Alarms
  51
- Output Alarms
  51
- Alarm Mapping
  52
- Alarm Cross Reference
  52
  - Delete Repeater
    53
Transfer

53
- Read Setup Parameters
  53
- Write Setup Parameters
  53
- Hardware Programming Flowchart
  53
Hardware

54
- Hsdb Monitor
  54
- Receive/Transmit Data
  54
- Repeater Traffic Monitor
  54
  - Rf Data
    55
  - Input Monitor
    55
  - Revisions
    55
  - Mode Select
    56
Test

56
- Exciter
  57
- Power Amplifier
  57
- Receiver
  57
- Full Repeater
  57
Utilities

57
- Com Port Setup
  57
- Alarm Display
  57
- Setup Com Port
  57
- Alarm Monitor
  57
View

58
- Status Bar
  58
- Toolbar
  58
- Save Settings on Exit
  58
Help

58
- Help Topics
  58
- Help on Help
  58
- ABOUT LTR-Net
  58
- File Menu
  59
- Select Repeater
  61
Repeater Programming

71
Overview

71
- Getting Started
  71
- Starting the Program
  71
- Using the Toolbar
  71
- Limitations
  71
Locality Setup

71
- General Parameters
  72
How Do I

72
- Creating a New Site File
  72
- Open an Existing Site File
  72
- Modify an Exixting Site File
  72
- Add a Repeater
  72
- Change a Repeater Number
  72
Circuit Description

73
Receiver

73
- Introduction
  73
- Regulated Voltage Supplies
  73
- Helical Filter, Rf Amplifier
  73
- First Mixer, Crystal Filter
  73
- If Amplifier, Crystal Filter
  73
- Second Mixer/Detector
  74
- Receiver Block Diagram
  74
- U202 Block Diagram
  74
  - Wideband Audio Amplifier
    75
  - Rssi Amplifier
    75
  - High Stability Synthesizer
    75
- Synthesizer Block Diagram
  76
  - Lock Detect
    77
  - Buffer Amplifier
    77
  - Vco (A006)
    77
  - Active Filter
    77
  - Buffer
    77
  - Synthesizer
    78
  - Buffer Amplifier
    79
  - Lock Detect
    79
  - Rf Amplifiers
    79
Exciter

79
- Vco (A007)
  79
- Exciter Vco and Tcxo Frequency Modulation
  80
- Active Filter
  80
- High Stability Synthesizer
  80
- Buffer
  82
- High Stability Synthesizer
  82
- Buffer Amplifier
  82
- Exciter Synthesizer
  82
- Exciter Block Diagram
  82
  - Buffer Amplifier
    83
  - Buffer Amplifier
    84
  - Lock Detect
    84
  - Rf Amplifiers
    84
Ocxo Drawer

84
- Introduction
  84
- Ocxo Drawer Block Diagram
  85
  - Ocxos, BUFFERS, DIVIDER and LINE DRIVER
    86
  - Ocxo Switching
    86
- Ocxo Drawer Front/Rear Panels
  86
  - Ocxo Pulse Detection
    87
  - Delta F Detection
    87
  - Ocxo Switching
    87
Power Amplifier

88
- Amplifier/Pre-Driver
  88
- Driver
  88
- Final Amplifiers
  88
- Power Detectors
  89
- Thermal Sensor
  89
- Forward/Reverse Power Detect, Circulator, Low-Pass Filter
  89
Power Amplifier

89
- Gain Block
  89
- Driver
  89
- W Pa Block Diagram
  89
- W Pa Block Diagram
  90
Rf Interface Board

91
- Power Connector
  91
- Signal Connector (J101)
  91
- Fan Connector (J104)
  93
- Power Amplifier Connections
  93
- Exciter Connector (J102)
  94
- Receiver Connector (J103)
  95
- Rf Interface Board Block Diagram
  97
Power Supply

98
- Filter Board
  98
- Power Factor Correction
  98
- Main Pulse Width Modulator
  98
- Power Supply Block Diagram
  99
  - Synchronizing Circuits
    100
  - Fan and Thermal Shutdown
    100
  - Converter
    101
  - Power Supply Repair and Alignment
    101
Battery Back-Up Module

102
- Operation
  102
- Charger
  102
- Reverse Battery Protection
  103
- Engaging the Relay
  103
- Over/Undervoltage Shutdown
  103
- NO LOAD CHARGE VOLTAGE Vs. TEMPERATURE
  103
  - Bbm Fan Control
    104
Card Rack

104
- Backplane Connectors
  104
Alarm External Connector Board

105
Main Processor Card

106
- Introduction
  106
- Main Controller Microprocessor
  106
- High Speed Data Bus Microprocessor
  107
- U27 Block Diagram
  107
  - Chip Select Decoders
    108
  - P1 Signal Connector
    108
  - J1 Computer Connector
    109
  - J2 Memory Select
    109
  - J3 Baud Rate
    109
  - S2/S3 Hsdb Settings
    109
  - J4 Eprom Memory Loading
    109
  - J5 Hsdb Speed
    109
  - J6 Watchdog
    109
Main Audio Card

110
- Introduction
  110
- Audio/Data Microprocessor
  110
- Receive Audio
  110
- Receive Squelch Circuitry
  111
- Receive Data Circuitry
  111
- Receive Audio Processing
  112
- Voter Audio
  112
- Compandor Option
  112
- Transmit Audio
  112
- Transmit Audio Processing
  113
- Transmit Data and Cwid Processing
  113
- Fsk Modem
  114
- Modem Block Diagram
  114
- Fsk Modem Switch Settings
  115
- Rs-232 Switch Settings
  115
  - P101 Signaling Connector
    116
  - P100 External Outputs
    117
  - J100 a D Level Test Point
    117
  - J101 Speaker/Microphone
    117
  - J102 Local Microphone
    117
  - J103 Ground
    117
  - J104 External Speaker
    118
  - J105 Watch Dog
    118
  - J106 Tx Data Path
    118
  - A301 Compandor Connections
    118
Interface Alarm Card

118
- Alarm Forwarding to Switch
  118
- Relay Outputs
  118
- I/O J1 Alarm Outputs
  118
  - Isolated Inputs
    119
  - Alarm Indicators
    119
  - Alarm Functions
    119
- I/O J2 Alarm Outputs
  119
- S500-S503
  119
  - P500 Signaling Connector
    120
- Alarm Example
  120
  - P501 External Outputs
    121
  - J500 a D Level Test Point
    123
  - J501 Ground
    123
  - J502 +15V
    123
  - Power Switch
    123
  - J505 Squelch Enable Output
    123
- Main Processor Card Block Diagram
  125
- Main Audio Card Logic Block Diagram
  126
- Main Audio Card Audio Block Diagram
  127
- Interface Alarm Card Block Diagram
  128
Alignment and Test Procedures

129
Ocxo and Test Equipment Frequency Stability

129
Receiver Alignment

129
- Pre-Test
  129
- Voltage Measurements
  129
- Program Tune-Up Channel
  129
- Tcxo Frequency Adjust
  129
- Vco Test
  129
- Front End Adjustments
  130
- Audio Distortion
  130
Exciter Alignment

131
- Pretest
  131
- Voltage Measurements
  131
- Program Tune-Up Channel
  131
- Receiver Alignment Points
  131
  - Tcxo Frequency Adjust
    132
  - Vco Test
    132
  - Transmit Modulation Adjust
    132
- Exciter Alignment Points
  132
Power Amplifier Alignment

133
- Introduction
  133
- Forward Power Output Calibration
  133
- Pre-Driver Power Limit Adjustment
  133
- Reflected Power Adjust
  134
- Power Amplifier Alignment Points
  134
Power Amplifier Alignment

135
- Power Output Adjustments
  135
- Pre-Driver Power Limit Adjustment
  135
- Reflected Power Adjust
  135
- W Power Amplifier Alignment Points
  136
- Rf Interface Board Alignment Points
  136
- Power Extender Cables
  137
- Repeater to CIM Test Setup
  137
- W Pa Test Setup
  138
- Receiver Test Setup
  139
- Exciter Test Setup
  140
- W Power Amplifier Test Setup
  141
Full Repeater Alignment

142
- Performance Test Program
  142
- Repeater Setup
  142
- Transmitter Test/Adjustments
  142
- Receiver Tests/Adjustment
  142
- Receiver Expander Measurement
  144
- Transmit Audio/Data Level Adjustments
  144
- Transmitter Compressor Measurement
  146
- Audio/Data Level Adjustments
  146
- S100 Setting
  146
- S100/S101 Switch Settings
  147
- J2 Terminal Block (Secondary)
  147
- Switch Settings
  147
- J2 Terminal Block
  147
  - Repeater Operation
    148
- S100/S101 Rs-232
  148
- New Hsdb Switch Settings
  148
Switch (Rnt) Interface

149
- Repeater Setup
  149
- CIM Setup
  149
- Old Hsdb Switch Settings
  149
  - Voice Audio to Switch
    150
  - Voice Audio from Switch
    150
- J2 Connector
  150
- Viking VX Voice/Data Link
  150
- S100/S101 Switch Setting
  150
  - Blank and Burst - Fsk Data from Switch
    151
- Mac Switch Settings
  151
- Battery Revert Test Setup
  151
  - Fsk Link - Fsk Data Level to Switch
    152
Battery Charger Section

152
- Battery Charger Test Setup
  153
- Switch (Rnt) Backplane Wireharness
  154
- Switch (Rnt) Punch Block
  155
- Mac Alignment Points
  156
- Main Processor Card Alignment Points
  157
- Interface Alarm Card Alignment Points
  158
Visual Check

152
Battery Revert Test

152
Servicing

159
Introduction

159
- Periodic Checks
  159
- Surface-Mounted Components
  159
- Schematic Diagrams and Component Layouts
  159
- Replacement Parts List
  159
- Tcxo Modules Not Serviceable
  159
Synthesizer Servicing

159
- Tcxo Module
  160
- Voltage Controlled Oscillator (Vco)
  160
- Internal Prescaler
  160
- Lock Detect Waveform
  160
- Modulus Control Waveform
  160
  - Calculating "N " and "A " Counter Divide Numbers
    161
Receiver Servicing

161
Transmitter Servicing

161
Power Supply Servicing

161
- Power Supply Rear View
  162
- Power Supply Front View
  162
  - Voltage Checks
    163
Chip Component Identification

163
- CERAMIC CHIP CAPS (510-36Xx-XXX)
  163
- TANTALUM CHIP CAPS (510-26Xx-XXX)
  163
- CHIP INDUCTORS (542-9000-XXX)
  163
- Chip Resistors
  163
- Chip Transistors and Diodes
  164
- Chip Inductor Identification
  164
- Ceramic Chip Cap Identification
  164
Beryllium Product Warning

165
Grafoil Replacement Procedure

165
Parts List

167
- 900 Mhz Ltr-Net 75W Repeater
  167
- 900 Mhz Ltr-Net 160W Repeater
  167
- 900 Mhz 75W Repeater Assembly
  167
- 900 Mhz 160W Repeater Assembly
  168
- Transmit/Receive Module
  168
- Repeater Enclosure Assembly
  168
- Transceiver Mechanical
  169
- Controller Backplane Card
  169
- External Connector Board
  170
- Power Supply Filter Board
  170
- Receive Vco
  173
- Mhz Receiver
  173
- Transmit Vco
  177
- 900 Mhz Exciter
  177
- Power Amplifier
  179
- Forward/Reverse Power Detector
  183
- 900 Mhz 75W Pa Mechanical
  184
- 900 Mhz 160W Pa Mechanical
  185
- 2000 Series Repeater Power Supply
  185
- Power Supply Main Board
  186
- Ac Filter Board
  191
- Battery Back-Up
  191
- Thermal Sensor Board
  193
- Ocxo Drawer
  193
- Ocxo Drawer Power Supply
  196
- Main Processor Card
  197
- Main Audio Card
  198
- Interface Alarm Card
  204
Schematics and Component Layouts

208
- Rf Module Interface Connector
  208
- Backplane Cable Connections
  208
- Ocxo Drawer Front/Rear Panel
  209
- Repeater Rear View
  209
- Repeater Front View
  209
- Ocxo Drawer
  209
- Repeater Cabinet Exploded View
  209
- Backplane Interconnect
  211
- Rf Interface Board Component Layout
  212
- Rf Interface Board Schematic
  213
- Receiver Board Component Layout
  214
- Receive Vco Component Layout
  215
- Receive Vco Schematic
  216
- Receiver Schematic
  217
- Exciter Board Component Layout
  218
- Transmit Vco Component Layout
  219
- Transmit Vco Schematic
  220
- Exciter Schematic
  221
- Power Amplifier Component Layout
  222
- Power Amplifier Schematic
  223
- Power Amplifier Component Layout
  224
- W Power Amplifier Schematic
  225
- Forward/Reverse Power Board Component Layout
  226
- Ocxo Component Layout
  228
- Ocxo Schematic
  229
- Ocxo Power Supply Component Layout
  230
- Main Processor Card Component Layout
  232
- Main Processor Card Schematic (1 of 2)
  233
- Main Processor Card Schematic (2 of 2)
  234
- Main Audio Card Component Layout (Opposite Component Side)
  235
- Main Audio Card Component Layout (Component Side)
  236
- Main Audio Card Schematic (1 of 3)
  237
- Main Audio Card Schematic (2 of 3)
  237
- Main Audio Card Schematic (3 of 3)
  237
- Main Audio Card Schematic (3 of 3)
  239
- Interface Alarm Card Component Layout
  240
- Interface Alarm Card Schematic
  241
- Backplane Component Layout (Card Side)
  242
- Backplane Component Layout (Cable Side)
  242
- Backplane Schematic
  244
- Power Supply Component Layout (Opposite Component Side)
  245
- Power Supply Component Layout (Component Side)
  246
- Power Supply Schematic (1 of 2)
  247
- Power Supply Schematic (2 of 2)
  248
- Power Supply Filter Board Component Layout
  249
- Power Supply Filter Board Schematic
  249
- Battery Back-Up Component Layout
  250
- Battery Back-Up Schematic
  251
- Over Voltage
  251
- Power Cable Connector and Schematic
  253
- Compandor Schematic
  254
- Compandor Component Layout
  254
900 Mhz CHANNEL FREQUENCY CHART

256

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