Nautel V7.5 FM Transmitter Manuals

Manuals and User Guides for Nautel V7.5 FM Transmitter. We have 1 Nautel V7.5 FM Transmitter manual available for free PDF download: User's Installation And Operation Manual

Nautel V7.5 User's Installation And Operation Manual (141 pages)

FM Broadcast Transmitter

Brand: Nautel | Category: Transmitter | Size: 1.82 MB

V10/V7.5/V5/V3.5 Installation and Operation Manual Jul
3
Table of Contents
11
1 General Information

21
- Introduction
  21
- Factory Support
  21
- Purpose of Manual
  21
- Purpose of Equipment
  21
- Mechanical Description
  21
- Technical Summary
  21
- Glossary of Terms
  22
V10/V7.5/V5/V3.5 FM Broadcast Transmitter

22
RF Output Power Ratings

22
Recommended Site Test Equipment

23
Glossary of Terms

24
2 Preparation for Use and Installation

25
- Introduction
  25
- Preparation for Use
  25
- Transmitter Room Requirements
  25
  - Transmitter Dimensions
    25
    
    Air Flushing
    25
    
    Cooling and Heating
    25
    
    Transmitter Clearances
    25
    
    Transmitter Weight
    25
    
    Ac Power Source
    26
    
    Ac Power Switch
    26
    
    Lightning Protection
    26
    
    Station Reference Ground
    26
    
    Work Area
    26
Cooling Requirements

26
Transmitter Room Considerations

27
Customer Interface Connections

28
Ac Input Connection Options

29
- Ac Wiring
  30
- Antenna Feed Cable
  30
- Antenna/Rf Output Disconnect
  30
- Antenna Tower
  30
- External Control/Monitor Wiring
  30
- Electrical Power
  30
  - Voltage Stability
    30
  - Power Consumption
    32
  - External Ac Switching
    32
  - Antenna System
    32
    
    Digital (IBOC) Operation
    32
    
    RF Drive Source(S)
    32
    
    RF Feed Cable
    32
    
    External Interlocks
    33
    
    Remote Control Circuits
    33
Single Ended Input Selected

33
- On/Off Control
  34
- Main Exciter Selection
  34
- Main IPA Selection
  34
Remote Control Connections

34
Differential Input Selected

34
- Main IPA Power Supply Selection
  35
- Main Fan Supply Selection
  35
- Preset Power Level Selection
  35
- RF Monitor Samples
  36
- Forward Power Level Sample
  37
- High Reflected Power Alarm
  38
- Active IPA Status
  39
- Available Options
  40
  - Installation
    41
    
    Accepting the Shipment
    41
    
    Determining Control/Monitor Requirements
    41
    
    Installing External Control/Monitor Wiring
    41
    
    Unpacking Instructions
    41
    
    Visual Inspection
    41
Removing Power Module Packing Bracket

42
- Installing Ac Power Wiring
  43
Ac Power Connection

43
- M50 Exciter(S)
  45
- NE30 Exciter(S)
  46
- Installing RF Feed Coaxial Cable
  47
- Commissioning Procedures
  48
  - Precautions
    48
  - Turn-On Prerequisites
    48
  - Initial Turn-On
    49
  - Placing Transmitter On-Air
    50
Dimensional Information - V10/V7.5

55
Dimensional Information - V5/V3.5

57
3 Operating Instructions

59
- Introduction
  59
- Emergency Shutdown
  59
  - Precautions
    59
  - Complete Shutdown
    59
  - Turn off RF Output
    59
- External Safety Interlock
  59
- Electrostatic Discharge Protection
  60
  - Discharging of Personnel
    60
  - Handling/Storage
    60
  - Tools/Test Equipment
    60
- Controls and Indicators
  60
  - Stress Current Protection
    60
  - Front Panel
    61
Transmitter Front Panel (Primary User Interface)

61
- Switching Power Supply Module
  62
- Control/Display PWB
  62
- Interconnect PWB
  62
- Remote Interface PWB
  62
- Power Module Interface PWB
  62
- Miscellaneous
  62
Transmitter Front Panel - System Diagram Section

62
Front Panel - System Diagram Controls and Indicators

63
Transmitter Front Panel - Control Section

64
Front Panel - Control Section Controls and Indicators

65
Switching Power Supply Module - Front Panel

66
- Switching Power Supply Module (PA/IPA) Controls and Indicators
  67
Control/Display PWB A43 - Partial View

68
Control/Display PWB - Controls and Indicators

69
Interconnect Pwbs

70
- A Interconnect PWB – Controls and Indicators
  71
- B Interconnect PWB – Transmitter Usage
  72
Remote Interface PWB A44

74
Remote Interface PWB - Controls and Indicators

75
Power Module Interface PWB

77
- Diagnostic Display
  78
  - Pushbutton Switches
    78
  - Main Screens
    78
    
    Transmitter Status Bar
    78
Flow Diagram - Diagnostic Display Menu Functions

79
- View Faults
  80
- Change Power, Frequency or Mode
  80
- View RF Module Status and Fan Speed
  81
- View Events Log
  82
- View Software Version
  82
- Select Metered Parameters
  83
- Set Real Time Clock
  83
- Front Panel Metering/Setting Display Contrast
  84
- Calibrate/Configure External Analog Samples
  84
- Change Hardware Settings
  85
External Analog Sample Outputs

85
- Calibrate HD PA and IPA Voltages
  86
  - Calibrate Front Panel Meter
    86
  - Calibrate Meters
    86
  - Enable/Disable Setup Mode
    87
    
    Set PA Bias Levels
    87
    
    Set Protection Threshold Levels
    87
    
    System Configuration
    88
    
    Save/Recall Factory Settings
    89
    
    Set Main/Standby Operation
    90
4 Testing and Adjustment

91
- Introduction
  91
- Operating Precautions
  91
- Functional Tests
  91
  - General
    91
  - Test Equipment Required
    92
  - Test Prerequisites
    92
Optionally Duplicated Modules

93
- Transmitter Turn-On
  94
- Remote Control Checks
  94
- Remote Control Prerequisites
  94
- Remote On/Off Control
  94
- Improving Reject Load Power
  
  103
  - Changing Frequency
    104
  - Changing Ac Input Configuration
    104
5 System Level Troubleshooting

105
- General
  105
- Scheduled Maintenance
  105
  - Cleaning the Transmitter
    105
  - Checking Hardware
    105
- Corrective Maintenance
  106
  - Battery Replacement
    106
  - On-Air Troubleshooting
    106
  - Remote Troubleshooting
    106
Scheduled Maintenance Checklist (Example)

106
- Local Troubleshooting
  107
- Electrostatic Protection
  107
  - Off-Air Troubleshooting
    107
  - Discharging of Personnel
    107
  - Handling/Storage
    108
  - Tools/Test Equipment
    108
- Troubleshooting Front Panel Alarms
  108
  - Stress Current Protection
    108
Troubleshooting Guide

110
- Exciter Alarm
  112
- IPA Input Low
  112
- Low RF Drive
  113
- Exciter Output Load Fluctuation
  113
- IPA Input High
  113
- Exciter Communication Failure
  113
- Check Exciter
  114
- Exciter Fault
  114
- Mode/Frequency Mismatch
  114
- IPA/PA Alarm
  114
- IPA Forward High
  115
- IPA Forward Low
  116
- IPA Match
  116
- IPA Reflected High
  117
- Module Offline
  118
- High Module Temperature
  118
- PA Failure
  119
- Fan Failure
  119
- Output Network Alarm
  120
- High Reflected Power
  120
- SWR Foldback
  120
- SWR Shutdown
  121
- Low Forward Power
  122
- High Reject Load Power and Reject Power Foldback
  122
- Reject Load Power Shutback
  122
- Reject Load Power Shutdown
  123
- High Reject Load Temperature
  123
- Combiner Top/Bottom Fan Fail
  123
- Low Voltage Power Supply Alarm
  124
- LVPS Fault
  124
- Fan PS Fail and Replacement
  125
- Ac Mains Alarm
  125
- Low Ac Alarm
  126
- Power Supply Alarm
  126
- RF Power Module Power Supply Fail
  126
- Backup Battery Low Alarm
  127
- Changeover Alarm
  127
- External Alarms
  128
- Interlock Open Alarm
  128
- Remote PWB Offline Alarm
  128
- Fan Removal/Replacement
  128
  - EEPROM Alarms
    128
  - RF Power Module Fan
    128
- Operation with Defective or Missing
  129
  - Combiner Fans
    129
  - Power Modules(S)
    130
  - RF Output Power Vs Module Failure/Removal
    130
- Replacing an Rf Power Module
  132
  - RF Power Module Removal
    132
  - RF Power Module Installation
    133
- Ipa Module Fault Isolation
  133
- Replacing an Ipa Module
  134
  - IPA Module Removal
    134
  - RF Power Module Modifications for IPA Operation5-30
    134
  - IPA Module Installation
    135
  - Reject Load Module Removal
    136
  - Reject Load Module Installation
    136
  - RF Drive Splitter/Changeover Removal
    137
  - RF Drive Splitter/Changeover Installation
    137
  - IPA Splitter Removal
    138
- Printed Wiring Board (Pwb) Replacement
  139
  - IPA Splitter Installation
    139
  - Control/Display PWB Replacement
    140
  - Remote Interface PWB Replacement
    140
  - Interconnect PWB Replacement
    140
- Coaxial Cable Replacement
  140
  - Miscellaneous PWB Replacement
    140
- Low Power Operation for Antenna Maintenance
  141

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Nautel V7.5 FM Transmitter Manuals

Nautel V7.5 User's Installation And Operation Manual (141 pages)

Table of Contents

1 General Information

V10/V7.5/V5/V3.5 FM Broadcast Transmitter

RF Output Power Ratings

Recommended Site Test Equipment

Glossary of Terms

2 Preparation for Use and Installation

Cooling Requirements

Transmitter Room Considerations

Customer Interface Connections

Ac Input Connection Options

Single Ended Input Selected

Remote Control Connections

Differential Input Selected

Removing Power Module Packing Bracket

Ac Power Connection

Dimensional Information - V10/V7.5

Dimensional Information - V5/V3.5

3 Operating Instructions

Transmitter Front Panel (Primary User Interface)

Transmitter Front Panel - System Diagram Section

Front Panel - System Diagram Controls and Indicators

Transmitter Front Panel - Control Section

Front Panel - Control Section Controls and Indicators

Switching Power Supply Module - Front Panel

Control/Display PWB A43 - Partial View

Control/Display PWB - Controls and Indicators

Interconnect Pwbs

Remote Interface PWB A44

Remote Interface PWB - Controls and Indicators

Power Module Interface PWB

Flow Diagram - Diagnostic Display Menu Functions

External Analog Sample Outputs

4 Testing and Adjustment

Optionally Duplicated Modules

Improving Reject Load Power

5 System Level Troubleshooting

Scheduled Maintenance Checklist (Example)

Troubleshooting Guide

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