Nautel J1000 Manuals

Manuals and User Guides for Nautel J1000. We have 3 Nautel J1000 manuals available for free PDF download: Repair Manual, Installation And Operation Manual

Nautel J1000 Installation And Operation Manual (115 pages)

1,000 Watt AM Broadcast Transmitter

Brand: Nautel | Category: Transmitter | Size: 1.33 MB

Table of Contents
13
Introduction
15
Purpose and Scope of Manual
21
1 Purpose of Equipment

21
- Test Equipment
  21
J1000 Transmitter

22
2 Preparation for Use and Installation

25
- Preparation for Use
  25
- Transmitter Weights and Dimensions
  
  25
  - AC Power Source
    26
    
    Ac Wiring
    26
  - Ac Power Switch
    26
  - Cooling
    26
  - Heating
    26
  - Lightning Protection
    26
  - Station Reference Ground
    26
  - Transmitter Clearances
    26
  - Work Area
    26
  - Antenna Feed Cable
    27
  - Antenna Tower
    27
  - Antenna/Rf Output Disconnect
    27
  - Electrical Power
    27
    
    Voltage Stability
    27
    
    Power Consumption
    28
    
    External Ac Switching
    28
  - External Control/Monitor Wiring
    27
  - Antenna System
    28
    
    Antenna System - Digital Modulation
    28
    
    RF Feed Cable
    28
    
    Interface Protection Option
    28
  - External RF Drive Source
    29
    
    Carrier Frequency Signal
    29
    
    10 Mhz Frequency Reference
    29
  - Internal/External RF Driver Source Selection
    29
  - Modulating Audio
    29
    
    Conventional am Broadcast
    30
    
    Digital Operation (External Phase Component)
    30
    
    Digital Operation HD Radio
    30
Audio Filter Switch Settings

30
- External Interlocks
  31
- Remote Control Circuits
  31
- Audio Pass Band Selection
  30
Single Ended Input Selected

31
- On/Off Control
  32
- Main Exciter Selection
  32
- Preset Power Level Selection
  32
- Power Level Adjust Select
  32
Differential Input Selected

32
- System Reset
  33
- Auto/Manual
  33
- Other Remote Controls
  33
  - PDM (RF) Inhibit Control
    33
- RF Performance Monitoring
  33
  - RF Monitor Sample
    33
  - Forward Power Level
    35
  - Reflected Power Level
    35
  - B+ Volts Sample
    35
  - Total DC Current Sample
    35
- Serial Port
  33
- Remote Alarm Indications
  35
  - Exciter Fail Alarm
    35
  - Battery Alarm
    35
  - High VSWR Alarm
    35
  - Shutdown/Cutback Alarm
    35
  - Changeover Alarm
    36
  - Modulation Protection Alarm
    36
  - Pwr Module Fail Alarm
    36
  - Low Ac Alarm
    36
  - External Interlock Alarm
    36
  - LVPS Fail Alarm
    36
- Remote Status Indications
  36
  - Remote Control Status
    36
  - RF on Status
    36
  - Exciter B Status
    36
  - RF Power Level Status
    37
- Parts Not Supplied by Nautel
  37
- Parts Supplied by Nautel
  37
  - Reject Load
    37
- Test Equipment and Special Tools
  37
- Available Options
  38
  - Standby Exciter Option
    38
  - User-Supplied Cabinet Option
    38
  - Nautel Cabinet Option
    38
  - Spares Kit Option
    38
  - Interface Protection Unit Option
    38
  - Frequency Change Kit Option
    38
- Accepting the Shipment
  39
- Installation
  39
  - CE Kit Option
    39
- Unpacking Instructions
  39
- Visual Inspection
  40
- Cabinet Installation
  44
- RF Output Connector
  44
- Installing RF Power Modules
  46
- Interconnect Wiring
  46
  - Ac Power Switching Assembly
    46
  - Installing Ac Power Wiring
    46
  - RF Feed Cable
    47
    
    7/8-Inch RF Output Connection
    47
    
    Reject Load
    47
    
    Interface Protection Unit
    48
Interface Protection Assembly

48
- RF Output Connector
  49
- Mounting
  49
- Ac Circuit Breaker and Fusing
  49
- Ground Stud
  49
- Remote Control/Monitor Wiring
  49
- Station Reference Ground
  50
- Determining Control/Monitoring Requirements
  50
- External Control Wiring
  50
- Internal/External RF Drive Source
  50
- Commissioning Procedures
  53
  - Precautions
    53
  - Turn-On Prerequisites
    53
  - Initial Turn-On
    54
RF Power Module Current Versus RF Output Power

54
- Placing J1000 On-Air
  55
3 Operating Instructions

57
- Introduction
  57
- Emergency Shutdown
  57
  - Precautions
    57
  - Turn off RF Output
    57
  - Complete Shutdown
    57
- Electrostatic Discharge Protection
  58
  - Discharging of Personnel
    58
  - Handling/Storage
    58
  - Tools/Test Equipment
    58
  - Stress Current Protection
    58
  - Exciter Front Panel
    59
  - Remote Interface PWB
    59
  - RF Synthesizer PWB
    59
  - Miscellaneous Exciter
    59
J1000 Exciter Front Panel (Primary User Interface)

60
J1000 Exciter Front Panel - System Diagram Section

61
J1000 Exciter Front Panel - Control Section

63
Assembly Detail - Part of Remote Interface PWB (NAPI85/01A)

65
Remote Interface PWB Controls and Indicators

66
Assembly Detail - RF Synthesizer PWB (NAPE70F/01)

67
RF Synthesizer PWB Controls and Indicators

68
Miscellaneous Exciter Controls and Indicators

69
RF Power Modules Controls and Indicators

69
- Diagnostic Display
  70
- Pushbutton Switches
  70
- Main Screen
  70
  - Transmitter Status Bar
    70
Diagnostic Display - Main Screen

70
Diagnostic Display - Main Menu Screen

70
- Viewing Faults
  72
- Adjusting RF Output Power and Setting Power Preset Levels
  72
- Exciter Control
  73
- Viewing Events Log
  74
- Scheduling Pre-Set Power Levels
  75
- Setting Real Time Clock
  76
- Changing Factory Calibrated Settings
  76
  - Calibrate Meters
    77
  - Set Thresholds
    77
  - Maximum Allowable Output Gain
    78
  - Use Factory Settings
    78
  - Viewing Software Version
    79
  - Nxlink Configuration
    79
  - Selecting Metered Parameters
    80
  - Module Check
    81
  - Battery Status
    81
4 Testing and Adjustment

83
- Introduction
  83
- Operating Precautions
  
  83
- Functional Tests
  
  83
  - General
    83
  - Test Equipment Required
    84
  - Test Prerequisites
    84
  - Initial Turn-On
    86
  - Standard Adjustments
    86
    
    Modulation Checks
    86
  - Non-Standard Adjustments
    87
    
    RF Drive Symmetry
    87
    
    Exciter Gain (Dual Exciter J000S Only)
    89
    
    Modulation Peak Limiting
    89
    
    Audio Dump
    89
    
    DC Current Cutback
    91
5 System Level Troubleshooting

93
- General
  93
- Scheduled Maintenance
  93
  - Cleaning the J1000
    93
  - Checking Hardware
    93
- Corrective Maintenance
  94
  - Battery Replacement
    94
  - On-Air Troubleshooting
    94
    
    Remote Troubleshooting
    94
    
    Local Troubleshooting
    94
  - Off-Air Troubleshooting
    94
- Electrostatic Protection
  95
  - Discharging of Personnel
    95
  - Handling/Storage
    95
  - Tools/Test Equipment
    95
  - Stress Current Protection
    95
- Troubleshooting Front Panel Alarms
  96
  - Zeroing Power to Attempt an Alarm Reset
    98
Troubleshooting and Replacement Tips

100

Nautel J1000 Repair Manual (160 pages)

1,000 Watt AM Broadcast Transmitter

Brand: Nautel | Category: Transmitter | Size: 1.6 MB

Table of Contents
9
1 General Information

17
- Family Tree
  17
2 Theory of Operation

19
- Purpose and Scope of Manual
  17
- Exciter Stage
  19
- Introduction
  19
- Tranmitter Overview
  19
- Exciter Interface PWB
  20
  - DDS Control Information
    20
  - Exciter Selection
    20
  - Microprocessor
    20
  - RF Drive Monitor
    20
  - RF Synthesizer Pwbs
    20
  - N Divider Control Information
    21
  - RF Drive Tuning Control
    21
- Direct Digital Synthesizer
  21
- Low Pass Filter
  21
  - Digitizer
    21
  - Balanced Drive
    22
  - Balanced Drive Matching
    22
  - External C Source
    22
  - Internal C Source
    22
  - N Divider
    22
  - RF Drive Source Selection
    22
  - Waveform Symmetry
    22
  - External 10 Mhz Source
    23
  - Interphase PDM Drive Pwbs
    23
- Carrier Level Control
  23
  - Integrator Peak Detector
    24
  - Linear Integrator
    24
  - PDM Divider
    24
  - Interphase PDM Generator
    25
  - PDM1 Generator
    25
  - PDM2 Generator
    25
- PDM Fault Detector
  25
- Shutback Latch
  26
  - Dump Circuit
    27
  - LVPS Buck Converter PWB
    27
  - PDM Inhibit
    27
  - Power Supply Assembly
    27
- DC-DC Converter
  27
  - Ac Sample
    27
  - LVPS Failure Detector
    27
  - Ac/Rf Power Stage
    28
  - B+ Voltage
    28
  - Forward Converter PWB
    28
  - Inhibit
    28
  - Rectifier
    28
  - RF Power Modules
    28
  - Switching Signal
    28
  - Temperature
    28
  - B+ Switching MOSFET
    29
  - Dump Circuit
    29
  - FET Driver
    29
  - Modulator
    29
  - Modulator Filter PWB
    29
  - Power Module Interface PWB
    29
  - Power Supply
    29
  - Power Amplifier
    30
  - Forward/Reflected Power Probe
    31
  - Hybrid Combiner/Matching Transformer
    31
  - Rf Combiner/Filter Stage
    31
  - RF Current Probe
    31
  - RF Output Filter
    31
  - Control Switches
    32
  - Diagnostic Display
    32
  - Front Panel Metering
    32
  - Local/Remote Selection
    32
  - RF On/Rf off Selection
    32
  - System Diagram
    32
  - Ac Supply Voltage
    33
  - Alarm Threshold Circuits
    33
  - Carrier Reference Voltage
    33
  - Controller/Display PWB
    33
  - Reflected Power Monitor
    33
  - RF Current Monitor
    34
  - B+ Voltage
    35
  - DC Current
    35
  - Forward Power
    35
  - Low Voltage Power Supplies
    35
  - PA Voltage
    35
  - PDM Drive
    35
  - Sample Monitoring Circuits
    35
  - Cpld
    36
  - Microcontroller
    36
  - Remote Inputs
    36
  - Remote Interface PWB
    36
  - Remote Outputs
    36
  - Audio Input
    37
  - Balance/Unbalance Circuit
    37
  - Modulation Level Detector
    37
  - Zero Crossing Detectors
    37
  - Audio Chopper
    38
  - Audio Gain
    38
  - Audio Filter
    39
  - Magnitude Gain
    39
  - Nxlink Ethernet Interface Module (Optional)
    39
  - RF Monitor Level
    39
  - Location of Parts
    42
  - Fet Checking/Replacement
    43
  - Soldering Guidelines
    43
  - Troubleshooting Reference Data
    45
3 Component Level Troubleshooting

41
- Discharging of Personnel
  41
- Electrostatic Discharge Protection
  41
- Handling/Storage
  41
- Introduction
  41
- Tools/Test Equipment
  41
- Component Replacement Precautions
  42
- Stress Current Protection
  42
- Surface Mount Technology
  42
- Power Amplifier FET Gate Input
  47
- Audio Chopper
  51
- Interphase PDM Generator (PDM1) Output
  53
4 Parts Information

55
- Linear Integrator (Ramp) Output
  53
- Family Tree
  55
- Introduction
  55
- Specific Part
  55
  - When Nautel Nomenclature Is Known
    55
  - Reference Designation Lists
    56
- Column Content
  56
  - Component Level, Stock Code Column
    56
- Component Level
  56
- Stock Code
  56
- Description Column
  57
  - Reference Designation Column
    57
5 Wiring Information

79
6 Electrical Schematics

85
- Introduction
  85
- Component Values
  85
- Graphic Symbols
  85
- Logic Symbols
  85
- Reference Designations
  85
- Unique Symbology
  85
  - Type of Inputs/Outputs
    85
- Identification of Schematic Diagrams
  86
- Logic Level/Convention
  86
- Structure of Schematics
  86
- Locating the Schematic Diagram(S)
  86
- Locating a Part/Assembly Identified on a Schematic
  
  86
  - Electrical Schematics
    87
  - Unbalanced Audio
    117
7 Mechanical Drawings

125
- Introduction
  125
- Locating Assembly Detail Drawings
  125
- Content of Mechanical Drawings
  125

Nautel J1000 Repair Manual (173 pages)

1,000 Watt AM Broadcast Transmitter

Brand: Nautel | Category: Transmitter | Size: 1.42 MB

Table of Contents
9
1 General Information

17
- Family Tree
  17
2 Theory of Operation

19
- Purpose and Scope of Manual
  17
- Exciter Stage
  19
- Introduction
  19
- Tranmitter Overview
  19
- Exciter Interface PWB
  20
  - DDS Control Information
    20
  - Exciter Selection
    20
  - Microprocessor
    20
  - RF Drive Monitor
    20
  - RF Synthesizer Pwbs
    20
  - N Divider Control Information
    21
  - RF Drive Tuning Control
    21
- Direct Digital Synthesizer
  21
- Low Pass Filter
  21
  - Digitizer
    21
  - Balanced Drive
    22
  - Balanced Drive Matching
    22
  - External C Source
    22
  - Internal C Source
    22
  - N Divider
    22
  - RF Drive Source Selection
    22
  - Waveform Symmetry
    22
  - External 10 Mhz Source
    23
  - Interphase PDM Drive Pwbs
    23
- Carrier Level Control
  23
  - Integrator Peak Detector
    24
  - Linear Integrator
    24
  - PDM Divider
    24
  - Interphase PDM Generator
    25
  - PDM1 Generator
    25
  - PDM2 Generator
    25
- PDM Fault Detector
  25
- Shutback Latch
  26
  - Dump Circuit
    27
  - LVPS Buck Converter PWB
    27
  - PDM Inhibit
    27
  - Power Supply Assembly
    27
- DC-DC Converter
  27
  - Ac Sample
    27
  - LVPS Failure Detector
    27
  - Ac/Rf Power Stage
    28
  - B+ Voltage
    28
  - Forward Converter PWB
    28
  - Inhibit
    28
  - Rectifier
    28
  - RF Power Modules
    28
  - Switching Signal
    28
  - Temperature
    28
  - B+ Switching MOSFET
    29
  - Dump Circuit
    29
  - FET Driver
    29
  - Modulator
    29
  - Modulator Filter PWB
    29
  - Power Module Interface PWB
    29
  - Power Supply
    29
  - Forward/Reflected Power Probe
    31
  - Hybrid Combiner/Matching Transformer
    31
  - Rf Combiner/Filter Stage
    31
  - RF Current Probe
    31
  - RF Output Filter
    31
  - Control Switches
    32
  - Diagnostic Display
    32
  - Front Panel Metering
    32
  - Local/Remote Selection
    32
  - RF On/Rf off Selection
    32
  - System Diagram
    32
  - Ac Supply Voltage
    33
  - Alarm Threshold Circuits
    33
  - Carrier Reference Voltage
    33
  - Controller/Display PWB
    33
  - Reflected Power Monitor
    33
  - RF Current Monitor
    34
  - B+ Voltage
    35
  - DC Current
    35
  - Forward Power
    35
  - Low Voltage Power Supplies
    35
  - PA Voltage
    35
  - PDM Drive
    35
  - Sample Monitoring Circuits
    35
  - Cpld
    36
  - Microcontroller
    36
  - Remote Inputs
    36
  - Remote Interface PWB
    36
  - Remote Outputs
    36
  - Audio Input
    37
  - Balance/Unbalance Circuit
    37
  - Modulation Level Detector
    37
  - Zero Crossing Detectors
    37
  - Audio Chopper
    38
  - Audio Gain
    38
  - Audio Filter
    39
  - Magnitude Gain
    39
  - Nxlink Ethernet Interface Module (Optional)
    39
  - RF Monitor Level
    39
  - Location of Parts
    42
  - Fet Checking/Replacement
    43
  - Soldering Guidelines
    43
  - Troubleshooting Reference Data
    45
3 Component Level Troubleshooting

41
- Discharging of Personnel
  41
- Electrostatic Discharge Protection
  41
- Handling/Storage
  41
- Introduction
  41
- Tools/Test Equipment
  41
- Component Replacement Precautions
  42
- Stress Current Protection
  42
- Surface Mount Technology
  42
Power Amplifier FET Gate Input

47
Internal 10 Mhz Reference Signal

48
Unbalanced Audio

51
Audio Chopper

51
Linear Integrator (Ramp) Output

53
- Family Tree
  55
- Introduction
  55
- Specific Part
  55
  - When Nautel Configuration Control Number Is Known
    55
  - When Ref des Is Known
    55
- Column Content
  56
Interphase PDM Generator (PDM1) Output

53
- 4 Parts Information
  
  55
Cross-Reference

57
Manufacturer's Index

58
- Printed Wiring Patterns
  127
Wiring Lists Provided

127
Wiring List - NAP31/02A RF Power Module

127
Wiring List - J1000 Transmitter - Interconnect Wiring

128
Wiring List - NAE88A/01B Exciter/Control Assembly

129
Wiring List - NARA39A/01C RF Power Assembly

130
Electrical Schematics

133
- Introduction
  133
On a Schematic

134
Electrical Schematics

135
- Content of Mechanical Drawings
  155
Mechanical Drawings

155

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Nautel J1000 Manuals

Nautel J1000 Installation And Operation Manual (115 pages)

Table of Contents

1 Purpose of Equipment

J1000 Transmitter

2 Preparation for Use and Installation

Transmitter Weights and Dimensions

Audio Filter Switch Settings

Single Ended Input Selected

Differential Input Selected

Interface Protection Assembly

RF Power Module Current Versus RF Output Power

3 Operating Instructions

J1000 Exciter Front Panel (Primary User Interface)

J1000 Exciter Front Panel - System Diagram Section

J1000 Exciter Front Panel - Control Section

Assembly Detail - Part of Remote Interface PWB (NAPI85/01A)

Remote Interface PWB Controls and Indicators

Assembly Detail - RF Synthesizer PWB (NAPE70F/01)

RF Synthesizer PWB Controls and Indicators

Miscellaneous Exciter Controls and Indicators

RF Power Modules Controls and Indicators

Diagnostic Display - Main Screen

Diagnostic Display - Main Menu Screen

4 Testing and Adjustment

Operating Precautions

Functional Tests

5 System Level Troubleshooting

Troubleshooting and Replacement Tips

Nautel J1000 Repair Manual (160 pages)

Table of Contents

1 General Information

2 Theory of Operation

3 Component Level Troubleshooting

4 Parts Information

5 Wiring Information

6 Electrical Schematics

Locating a Part/Assembly Identified on a Schematic

7 Mechanical Drawings

Nautel J1000 Repair Manual (173 pages)

Table of Contents

1 General Information

2 Theory of Operation

3 Component Level Troubleshooting

Power Amplifier FET Gate Input

Internal 10 Mhz Reference Signal

Unbalanced Audio

Audio Chopper

Linear Integrator (Ramp) Output

Interphase PDM Generator (PDM1) Output

4 Parts Information

Cross-Reference

Manufacturer's Index

Wiring Lists Provided

Wiring List - NAP31/02A RF Power Module

Wiring List - J1000 Transmitter - Interconnect Wiring

Wiring List - NAE88A/01B Exciter/Control Assembly

Wiring List - NARA39A/01C RF Power Assembly

Electrical Schematics

On a Schematic

Electrical Schematics

Mechanical Drawings

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