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• GENERAL SUPPORT MAINTENANCE MANUAL TEST SET, RECEIVER AN/ARM-186
• SAFETY STEPS
• WARNING
• WARNING-continued
• Table of Contents
• HOW TO USE THIS MANUAL
• TEST SET, RECEIVER AN/ARM-186
• CHAPTER 1. INTRODUCTION
• ADMINISTRATIVE STORAGE.
• Section II EQUIPMENT DESCRIPTION AND DATA
• EQUIPMENT DATA-continued
• Section III PRINCIPLES OF OPERATION
• OVERALL OPERATION
• DC POWER DISTRIBUTION.
• BATTERY CHECK CAPABILITY.
• MODULATING CIRCUITS.
• LOC/GS MODULATION
• VOR MODULATION
• Switches in Normal Mode
• MB MODULATION AND VOR/LOC 1020 HZ SIGNAL
• RF MODULES AND RF DISTRIBUTION.
• VAR LAMP FLASHER CAPABILITY.
• BATTERY CHARGER FUNCTION.
• BATTERY CHARGER FUNCTION-continued
• CHAPTER 2. MAINTENANCE
• HOW TO USE THE PERFORMANCE TEST CHARTS.
• EQUIPMENT INSTRUCTIONS
• PERFORMANCE TEST PROCEDURES.
• PERFORMANCE TEST PROCEDURES-continued
• PERFORMANCE TEST PROCEDURES-continued
• CHART 2-1. Frequency Accuracy Performance Test (Sheet 1 of 3)
• CHART 2-1. Frequency Accuracy Performance Test (Sheet 2 of 3)
• CHART 2-1. Frequency Accuracy Performance Test (Sheet 3 of 3)
• CHART 2-2. RF Level Output Performance Test (Sheet 1 of 3)
• CHART 2-2. RF Level Output Performance Test (Sheet 2 of 3)
• CHART 2-2. RF Level Output Performance Test (Sheet 3 of 3)
• CHART 2-3. VOR Modulation Performance Test (Sheet 1 of 3)
• CHART 2-3. VOR Modulation Performance Test (Sheet 2 of 3)
• CHART 2-3. VOR Modulation Performance Test (Sheet 3 of 3)
• CHART 2-4. VOR 9960 FM Deviation Performance Test (Sheet 1 of 2)
• CHART 2-4. VOR 9960 FM Deviation Performance Test (Sheet 2 of 2)
• CHART 2-5. VOR Zero PErformance Test (Sheet 1 of 1)
• CHART 2-6. LOC Modulation Performance Test (Sheet 1 of 3)
• CHART 2-6. LOC Modulation Performance Test (Sheet 2 of 3)
• CHART 2-6. LOC Modulation Performance Test (Sheet 3 of 3)
• CHART 2-7. LOC DDM Performance Test (Sheet 1 of 2)
• CHART 2-7. LOC DDM Performance Test (Sheet 2 of 2)
• CHART 2-8. Glide Slope Modulation Performance Test (Sheet 1 of 2)
• CHART 2-8. Glide Slope Modulation Performance Test (Sheet 2 of 2)
• CHART 2-9. Glide Slope DDM Performance Test (Sheet 1 of 2)
• CHART 2-9. Glide Slope DDM Performance Test (Sheet 2 of 2)
• CHART 2-10. Marker Beacon Performance Test (Sheet 1 of 4)
• CHART 2-10. Marker Beacon Performance Test (Sheet 2 of 4)
• CHART 2-10. Marker Beacon Performance Test (Sheet 3 of 4)
• CHART 2-10. Marker Beacon Performance Test (Sheet 4 of 4)
• CHART 2-11. Battery Charger Performance Test (Sheet 1 of 2)
• CHART 2-11. Battery Charger Performance Test (Sheet 2 of 2)
• Section III TROUBLESHOOTING
• TROUBLESHOOTING TABLE-continued
• VOR zero performance test failure.
• LOC DDM performance test failure.
• Battery charger performance test failure.
• Section IV ALINEMENT PROCEDURES
• LOC MODE ADJUSTMENT-continued
• PROCEDURE
• GS MODE ADJUSTMENT.
• PROCEDURE
• PROCEDURE-continued
• VOR MODE ADJUSTMENT.
• CONTROL AND SWITCH SETTlNGS
• PROCEDURE
• PROCEDURE-continued
• PROCEDURE-continued
• MB MODE ADJUSTMENT.
• MB MODE ADJUSTMENT-continued
• OPERATING VOLTAGE ADJUSTMENT.
• CONTROL AND SWITCH SETTINGS
• PROCEDURE-continued
• VOR BEARING SELECTOR CONTROL ALINEMENT.
• PROCEDURE
• ATTEN CONTROL ALINEMENT.
• PROCEDURE
• Section V MAINTENANCE PROCEDURES
• ELECTRONIC COMPONENTS ASSEMBLY REPLACEMENT.
• MODULES A1 THROUGH A5 REPLACEMENT.
• A6 AND A8 ASSEMBLY REPLACEMENT.
• INSTALLATION
• A6 CIRCUIT BOARD ASSEMBLY REPLACEMENT.
• ANTENNA JACK J1 AND J3 REPLACEMENT.
• ATTENUATOR SWITCH AT1 AND AT2 REPLACEMENT.
• INSTALLATION
• BATTERY CASE REPLACEMENT.
• INSTALLATION
• TB1 CONTACT BOARD REPLACEMENT.
• Pushbutton SWITCH S8, S9, S13, S14, S19, AND S20 REPLACEMENT.
• TOGGLE SWITCH S1, S2, S8, S1O, S12, S15, S16, S18, S21, AND S22 REPLACEMENT.
• PUSHBUTTON SWITCH S23, S24, AND S25 REPLACEMENT
• CONNECTOR J2 REPLACEMENT.
• INDICATOR LIGHT DS1, DS2, AND DS3 REPLACEMENT.
• Pushbutton SWITCH S3, S4, AND S5 REPLACEMENT.
• IMPEDANCE MATCHING NETWORK A7 REPLACEMENT.
• ROTARY SWITCH S7, S11, AND S17 REPLACEMENT.
• FRONT PANEL REPLACEMENT.
• BATTERY CHARGER CONVERSION TO 230 VAC OPERATION.
• BATTERY CHARGER COVER REPLACEMENT.
• BATTERY CHARGER TRANSFORMER T1 REPLACEMENT.
• BATTERY CHARGER CIRCUIT CARD Al REPLACEMENT.
• BATTERY CHARGER INDICATOR LIGHT DS1 REPLACEMENT.
• BATTERY CHARGER POWER CABLE REPLACEMENT.
• BATTERY CHARGER LOW VOLTAGE SUPPLY CABLE REPLACEMENT.
• REMOVAL
• APPENDIX A. REFERENCES
• APPENDIX B. EXPENDABLE SUPPLIES AND MATERIALS LIST
• EXPENDABLE SUPPLIES AND MATERIALS LIST
• GLOSSARY
• INDEX
• INDEX-continued
• INDEX-continued
• INDEX-continued
• INDEX-continued
• Figure FO-1. Component Location.
• Figure FO-2. Cable Connections.
• Figure FO-3. DC Power Distribution.
• Figure FO-4. A6 Circuit Card Assembly.
• Figure FO-5. LOC/GS Modulation.
• Figure FO-6. VOR and MB Modulation.
• Figure FO- 7. VAR Lamp Flasher Capability.
• Figure FO-8. Battery Charger Schematic Diagram.
• DISTRIBUTION
• TM-11-6625-2976-40
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• RECOMMENDED CHANGES TO EQUIPMENT TECHNICAL PUBLICATIONS
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