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Figure 1-1. Generator, Signal Sweep AN/USM-203
Chapter 1 INTRODUCTION - TM-11-6625-1559-120007
Description of Equipment
Figure 1-2. VOLTS meter calibration curve
Chapter 2 INSTALLATION - TM-11-6625-1559-120011
Figure 2-1. AN/USM-203 packaging
Seating of Tubes, Fuses, and Crystals
Figure 2-2. Sweep Signal Generator AN/USM, top view, cabinet removed
Section II. CONNECTIONS
Oscilloscope Connections
Chapter 3 OPERATING INSTRUCTIONS - TM-11-6625-1559-120017
Types of Operation
Figure 3-1. AN/USM-203, front panel controls and indicators
Starting Procedure
Interpretation of Markers
Pulll the 10 MHz MARKER GAIN
Measuring Bandpass of Receiver
Figure 3-2. Typical oscilloscope display using internal markers
Measuring Bandpass of RF Section of Receiver
Figure 3-5. Setup for testing RF section of receiver
Measuring BandPass of IF Section of Receiver
Figure 3-6. Setup for testing IF section of receiver
Figure 3-7. Setup for testing RF amplifier
Figure 3-8. Setup for testing individual stage in amplifier
Testing Frequency Response and Measuring Loss of Filters or Transformers
Figure 3-9. Setup for testing filters or transformers
Use of External Wobbulator Drive Frequencies
Figure 3-11. Setup for measuring transmission line load impedance
Chapter 4 MAINTENANCE INSTRUCTIONS
Daily Preventive Maintenance Checks and Services Chart - TM-11-6625-1559-120036
Daily Preventive Maintenance Checks and Services Chart - TM-11-6625-1559-120037
Monthly Maintenance
Touchup Painting Instructions
Tube-Testing Techniques
Chapter 5 SHIPMENT, LIMITED STORAGE, AND DEMOLITION TO PREVENT ENEMY USE
APPENDIX A REFERENCES - TM-11-6625-1559-120043
Appendix C MAINTENANCE ALLOCATION - TM-11-6625-1559-120045
Tool and Test Equipment Requirements
SECTION II MAINTENANCE ALLOCATION CHART - TM-11-6625-1559-120047
Section III TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-11-6625-1559-120048
TM-11-6625-1559-12 Generator Signal Sweep AN/USM-203 (NSN
6625-00-935-0145
) Manual