Manual Do Utilizadoríndice analíticoGENERAL INFORMATION AND REQUIREMENTS21INTRODUCTION21EQUIPMENT DESCRIPTION22Electronics Cabinet22Local Control Unit (LCU) (1A1)23Synthesizer Assembly (1A3A1, 1A3A11)23Audio Generator CCA (1A3A2, 1A3A9)23Monitor CCA (1A3A3, 1A3A10)27Low Voltage Power Supply (LVPS) CCA (1A3A4, 1A3A8)27Test Generator CCA (1A3A5)27Remote Monitoring System (RMS) Processor CCA ( 1A3A6)27Facilities CCA (1A3A7)27Sideband Amplifier Assembly (1A4A1, 1A4A2, 1A4A6, 1A4A7)27RF Monitor Assembly (1A4A4)27Commutator Control CCA (1A4A5)27Battery Charging Power Supply (BCPS) Assembly (1A5A1, 1A5A2)28Carrier Power Amplifier Assembly (1A5A3, 1A5A4)28Interface CCA (1A9)28AC Power Monitor Assembly (1A6)28Commutator CCA (1A10, 1A11)28Portable Maintenance Data Terminal (PMDT)28Transmitting Antenna System29Carrier Antenna29Sideband Antenna32Balun33Tuning Stub34Positioning Piece34Pedestal34Radome34Field Monitor Antenna35Counterpoise35Equipment Shelter36Battery Backup Unit (Optional)36EQUIPMENT SPECIFICATION DATA36Transmitter and Antenna System36Transmitter36Antenna System38Field Monitor38Monitor39Mechanical and Electrical40Remote Control System40Design Features40RCSU Controls and Indicators41RSU Controls and Indicators41Remote Maintenance Monitoring System (RMM)42Design Features42RMM Functions42EQUIPMENT AND ACCESSORIES SUPPLIED43OPTIONAL EQUIPMENT43TECHNICAL DESCRIPTION45INTRODUCTION45OPERATING PRINCIPLES45DVOR Antenna Principles47DVOR TRANSMITTER THEORY OF OPERATION47Simplified System Block Diagram47Electronics Cabinet (Unit 1)50System Block Diagram Theory50Frequency Synthesizer (1A3A1, 1A3A11)51Frequency Synthesizer Block Diagram Theory51Frequency Synthesizer (1A3A1, 1A3A11) Detailed Circuit Theory53Frequency Reference Circuitry53Carrier PLL Synthesizer Circuitry54Carrier Phase Control Loop56Sideband RF Generation Loops58Audio Generator CCA (1A7, 1A23) Theory59Audio Generator CCA Block Diagram Theory59Audio Generator CCA Detailed Circuit Theory61CSB Power Amplifier Assembly (1A5A3, 1A5A4)63CSB Power Amplifier Assembly Block Diagram Theory63Power Amplifier Assembly Detailed Circuit Theory64Bi-Directional Coupler (1DC1)66Sideband Generator Assembly (1A4A1, 1A4A2, 1A4A6, 1A5A7)66Sideband Generator Assembly Block Diagram Theory66Sideband Generator CCA Detailed Circuit Theory68RF Monitor Assembly (1A4A4) Theory71RF Monitor Assembly Block Diagram Theory71RF Monitor Assembly (1A2) Detailed Circuit Theory72RMS Processor Block Diagram Theory74RMS CCA Detailed Theory76Facilities CCA Theory78Facilities CCA Detailed Theory80Interface CCA Theory82Interface CCA Block Diagram Theory82Interface CCA Detailed Theory83AC Power Monitor CCA Theory84AC Power Monitor CCA Block Diagram Theory85AC Power Monitor CCA Detailed Theory85Local Control Unit Theory86Local Control Unit Block Diagram Theory87DC to DC Converter87Power Fail Detectors87Key Switch Registers87Parallel Interface871.8432MHz Oscillator/Divider Chains88Positive Alarm Register88Negative Alarm Register8820 Second Delay Counter88LCU Transfer Control State Machine #1 and #2 and Discrete Controls89LED Control89Audible Alarm89Monitor Alarm Interface89Station Control Logic89System Configuration Inputs90Test Generator (1A3A5) CCA Theory90Test Generator CCA Block Diagram Theory90Test Generator CCA Detailed Circuit Theory92Low Voltage Power Supply (1A3A4, 1A3A8) CCA Theory94Low Voltage Power Supply (LVPS) CCA Block Diagram Theory94Low Voltage Power Supply (LVPS) CCA Detailed Circuit Theory95Monitor CCA (1A3A3, 1A3A9) Theory96Monitor CCA Block Diagram Theory96Monitor CCA Detailed Circuit Theory99Power Panel Theory105Battery Charger Power Supply (BCPS) Theory105BCPS CCA Block Diagram Theory105Battery Charger Detailed Circuit Theory107Extender Board Block Diagram Theory109Commutator Control CCA Theory110Commutator Control CCA Block Diagram Theory111Commutator Control CCA Detailed Circuit Theory112Commutator CCA (1A10, 1A11) Theory116Commutator CCA Block Diagram Theory116Commutator CCA (2A2, 2A3) Detailed Circuit Theory118PMDT (PORTABLE MAINTENANCE DATA TERMINAL (UNIT 2)120BATTERIES (UNIT 3)120FIELD MONITOR KIT (UNIT 4)120OPERATION121INTRODUCTION121REMOTE CONTROL STATUS UNIT (RCSU)121REMOTE STATUS UNIT (RSU)121REMOTE STATUS DISPLAY UNIT (RSDU)121PORTABLE MAINTENANCE DATA TERMINAL (PMDT)121Equipment Turn On121Connecting the PMDT121Starting the PMDT Application122Turning On the VOR122Equipment Shutdown122Equipment Turn Off122PMDT PC Turn Off122PMDT SCREENS122General122Menus122System Status at a Glance - Sidebar Status and Control124Screen Area125Configuring the PMDT125Connecting to the VOR126Security Levels126PMDT Logon via Direct or Modem Connection127RMS Screens129RMS Status Screens129VOR/DME Status Screen129Monitor/Transmitter Status Screen130Software Revisions Screen131Hardware Revisions Screen132RMS Data Screens133RMS Maintenance Alerts Screen133Power Supply Data Screen134Digital I/O Screen135Temperature Data Screen136A/D Data Screen137RMS Logs Screen138Operational Summary Screen138Alarm Log Screen139Maintenance Alert Log Screen140Command Activity Screen141Parameter Change Log Screen142RMS Configuration Screen143General RMS Configuration Screen144Station Configuration Screen146Power Supply Limits Configuration Screen148A/D Limits Configuration Screen149Security Codes Configuration Screen150User Account Maintenance150Add a User Account150Change a User’s Password151Delete a User’s Account151RMS Commands152Monitor Screens155All Monitor Screens155Monitors Data Screens155Integral Monitor Data Screen155Notch Monitor Data Screen156Sideband Antenna VSWR Screen157Monitor Configuration Screens158General Configuration Screen158Monitor Alarm Limit Configuration Screen159Monitor Commands160Monitor 1 & 2 Screens160Monitor Data Screens160Integral Monitor Data Screen161Monitor Status Screen162Monitor Test Results Screens163Completed Test Results164In Process Test Results165Monitor1>>Test Generator Screen166Monitor Fault History Screens167Integral Monitor Fault History Screen167Local Control Unit Fault History System Status Screen168Monitor Offsets and Scale Factors169Monitor Test Signal Output Control170Transmitter Data Screens171Transmitter Data Screen171VOR Ground Check Data Screen172VOR Ground Check Data Advanced Screen173Transmitter Status Screen174Transmitter Configuration Screens175Nominal Configuration Screen175Transmitter Offsets & Scale Factors176Transmitter Commands177Diagnostics Screen178Power-Up Diagnostics Results178Fault Isolation Test Results179Controlling the Transmitter via the PMDT180General Transmitter Control180Change the Azimuth Index180Change the CSB Output Power180Change the Voice Depth of Modulation180Change the Identification Depth of Modulation180Change the Reference Depth of Modulation181Change the Sideband Power Level181RMM181CONTROLS AND INDICATORS182POWER CONTROL PANEL182LOCAL CONTROL UNIT (LCU)182LCU Display Messages183Integral Monitor183Transmitter Power Supply and Temperature Monitor183BCPS Asssembly Assembly (1A5A3, 1A5A4)187Carrier Amplifier Assembly (1A5A3, 1A5A4)188Monitor CCA (1A3A3, 1A3A10)189Remote Monitoring System (RMS) CCA190Facilities CCA (1A3A7)191Synthesizer CCA (1A3A1, 1A3A11)192Sideband Generator Assembly (1A4A1, 1A4A2, 1A4A5, 1A4A6)193Audio Generator CCA (1A3A2, 1A3A9)195Low Voltage Power Supply (LVPS) CCA (1A3A4,1A3A8)196Test Generator CCA (1A3A5)196RF Monitor Assembly (1A4A4)197STANDARDS AND TOLERANCES199INTRODUCTION199PERIODIC MAINTENANCE203INTRODUCTION203PERFORMANCE CHECK SCHEDULE203DOCUMENTATION AND DATA COLLECTION203MAINTENANCE PROCEDURES205INTRODUCTION205Normal State Definition205Bypass State205Turn OFF DVOR205Turn ON DVOR205Test Equipment205PERFORMANCE CHECK PROCEDURES206Battery Backup Transfer Performance Check206Carrier Output Power Performance Check206Carrier Frequency Performance Check206Monitor 30 Hz and 9960 Hz Modulation Percentage and Deviation Ratio Performance Check206Modulation Frequency Performance Check207Antenna VSWR Performance Check207Automatic Transfer Performance Checks (Dual Equipment only)207VOR Monitor Performance Check207Monitor Integrity Test of VOR Monitor (Refer to Section 3.6.8.2.2)208RSCU Operation Performance Check208Single Equipment Performance Check208Dual Equipment Performance Check208Identification Frequency and Modulation Level Checks208EQUIPMENT INSPECTION PROCEDURES209Site Inspection209Inspection of Transmission Antennas209Inspection of the Field Monitor Antenna209Transmitter Cabinet Inspection210Battery Backup Unit Inspection210ALIGNMENT PROCEDURES210Battery Charging Power Supply (BCPS) Alignment Procedures210System AC Voltage Alignment210System AC Current Alignment210Obstruction Light AC Voltage Alignment211Obstruction Light AC Current Alignment211Alarm Volume Adjustment Procedure212RMS Facilities Exterior and Interior Temperature Calibration212Reassign Main/Standby Transmitters (Dual Systems Only)212Verification of BITE VSWR Calibration212Verification of BITE Frequency Counter Calibration213Verification of BITE Wattmeter Calibration213RMS Lithium Battery Check Procedure214Replacing RMS CPU (1A3A6) CCA214Update of DVOR Software215Changing the Station Rotation (Azimuth)215Changing the Monitoring Offsets215DME Keying Check216DVOR Frequency Synthesizer Alignment216DVOR Sideband Amplifier Alignment217Antenna VSWR Check for New Frequency218CORRECTIVE MAINTENANCE221INTRODUCTION221TEST EQUIPMENT REQUIRED221ON-SITE CORRECTIVE MAINTENANCE221General Troubleshooting Information221Test Point Waveform References221OFFSITE REPAIR224PACKING INSTRUCTIONS224PARTS LIST225INTRODUCTION225INSTALLATION, INTEGRATION, AND CHECKOUT227INTRODUCTION227SITE INFORMATION227Shelter Requirements227UNPACKING AND REPACKING227Environmental Considerations227INPUT POWER REQUIREMENT SUMMARY227INSTALLATION PROCEDURES228Tools and Test Equipment Required228Counterpoise and Shelter Foundation Installation228Shelter Installation230Counterpoise Installation230Initial Conditions231Sideband Antenna Installation231Carrier Antenna Installation231Installation of Field Monitor Antenna231Installation of Obstruction Lights on Field Monitor Antenna Tower231Antenna Cable Exterior Cable Entrance Installation232Air Conditioner Installation232Transmitter Cabinet Installation232Battery Back Up Installation233DC Voltage and Battery Installation233AC Voltage Installation233Connecting DME Keyer Wiring234RCSU and RMM Connections234Obstruction Light Installation and Wiring235Cutting Antenna Cables to Proper Electrical Length236Tuning the Antennas236Sideband RF Feed Cables to Commutator Connections236INSPECTION237Visual Inspection237INITIAL STARTUP AND PRELIMINARY TESTING238Input Voltage Checks238Installing Modules in Transmitter Cabinet238Turn on Procedure238PMDT Hookup and Setup238Site Adjustments and Configurations239DVOR Station Power-Up242Log-On Procedure242Setting Date and Time242Setting Station's Descriptor242Password Change242Setting System Configuration242Transmitter Tuning Procedures242Checking Output Frequency of Frequency Synthesizer242Amplitude Adjustment242Sideband Generator Phasing244Setting Transmitter Operating Parameters245Setting Transmitter Ident Code245Setting Transmitter Voice Modulation245Setting Transmitter Ident Modulation245Setting Transmitter Reference Modulation246Reference to Sideband Phasing246Setting Transmitter SBO Modulation247Setting Transmitter Azimuth (Az) Index247Saving No. 1 Transmitter Operating Parameters247Setting Monitor Alarm Limits247Setting Monitor Az Angle Low Limit247Setting Monitor Az Angle High Limit248Setting High Monitor 30 Hz Mod Low Limit248Setting Monitor 30 Hz Mod High Limit248Setting Monitor 9960 Hz Mod Low Limit248Setting Monitor 9960 Hz Mod High Limit248Setting Monitor 9960 Hz Dev Low Limit248Setting Monitor 9960 Hz Dev High Limit249Setting Monitor Field Intensity Low Limit249Setting Monitor Field Intensity High Limits249Records249INSTALLATION VERIFICATION TEST249Special Tests249SOFTWARE251INTRODUCTION251TROUBLESHOOTING SUPPORT253INTRODUCTION253Tamanho: 4 MBPáginas: 254Language: EnglishAbrir o manual
