User's Manual

Model 1150A DVOR
vi Rev. - November, 2008
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to others for any purposes without written permission from SELEX Sistemi Integrati Inc.
TABLE OF CONTENTS (cont.)
Paragraph
# Description Page #
6.2.4 Monitor 30 Hz and 9960 Hz Modulation Percentage and Deviation Ratio Performance Check ..........6-2
6.2.5 Modulation Frequency Performance Check..........................................................................................6-3
6.2.6 Antenna VSWR Performance Check....................................................................................................6-3
6.2.7 Automatic Transfer Performance Checks (Dual Equipment only) .......................................................6-3
6.2.8 VOR Monitor Performance Check........................................................................................................6-3
6.2.9 Monitor Integrity Test of VOR Monitor (Refer to Section 3.6.8.2.2)...................................................6-4
6.2.10 RSCU Operation Performance Check...................................................................................................6-4
6.2.10.1 Single Equipment Performance Check .................................................................................................6-4
6.2.10.2 Dual Equipment Performance Check...................................................................................................6-4
6.2.11 Identification Frequency and Modulation Level Checks ......................................................................6-4
6.3 Equipment Inspection Procedures.........................................................................................................6-5
6.3.1 Site Inspection.......................................................................................................................................6-5
6.3.2 Inspection of Transmission Antennas ...................................................................................................6-5
6.3.3 Inspection of the Field Monitor Antenna ..............................................................................................6-5
6.3.4 Transmitter Cabinet Inspection.............................................................................................................6-6
6.3.5 Battery Backup Unit Inspection............................................................................................................6-6
6.4 ALIGNMENT PROCEDURES............................................................................................................6-6
6.4.1 Battery Charging Power Supply (BCPS) Alignment Procedures..........................................................6-6
6.4.1.1 System AC Voltage Alignment.............................................................................................................6-6
6.4.1.2 System AC Current Alignment.............................................................................................................6-6
6.4.1.3 Obstruction Light AC Voltage Alignment............................................................................................6-7
6.4.1.4 Obstruction Light AC Current Alignment ............................................................................................6-7
6.4.2 Alarm Volume Adjustment Procedure..................................................................................................6-8
6.4.3 RMS Facilities Exterior and Interior Temperature Calibration.............................................................6-8
6.4.4 Reassign Main/Standby Transmitters (Dual Systems Only).................................................................6-8
6.4.5 Verification of BITE VSWR Calibration..............................................................................................6-8
6.4.6 Verification of BITE Frequency Counter Calibration...........................................................................6-9
6.4.7 Verification of BITE Wattmeter Calibration ........................................................................................6-9
6.4.8 RMS Lithium Battery Check Procedure .............................................................................................6-10
6.4.9 Replacing RMS CPU (1A3A6) CCA..................................................................................................6-10
6.4.10 Update of DVOR Software.................................................................................................................6-11
6.4.11 Changing the Station Rotation (Azimuth)...........................................................................................6-11
6.4.12 Changing the Monitoring Offsets........................................................................................................6-11
6.4.13 DME Keying Check............................................................................................................................6-12
6.4.14 DVOR Frequency Synthesizer Alignment..........................................................................................6-12
6.4.15 DVOR Sideband Amplifier Alignment...............................................................................................6-13
6.4.16 Antenna VSWR Check for New Frequency .......................................................................................6-14
7 CORRECTIVE MAINTENANCE .......................................................................................................7-1
7.1 INTRODUCTION ................................................................................................................................7-1
7.2 TEST EQUIPMENT REQUIRED........................................................................................................7-1
7.3 ON-SITE CORRECTIVE MAINTENANCE.......................................................................................7-1
7.3.1 General Troubleshooting Information...................................................................................................7-1
7.3.2 Test Point Waveform References..........................................................................................................7-1
7.4 OFFSITE REPAIR................................................................................................................................7-4
7.5 PACKING INSTRUCTIONS...............................................................................................................7-4
8 PARTS LIST.........................................................................................................................................8-1
8.1 INTRODUCTION ................................................................................................................................8-1
9 INSTALLATION, INTEGRATION, AND CHECKOUT ...................................................................9-1
9.1 INTRODUCTION ................................................................................................................................9-1
9.2 SITE INFORMATION .........................................................................................................................9-1
9.2.1 Shelter Requirements............................................................................................................................9-1