Figure 1-1. Spectrum Analyzer TS-723D/U.
Chapter 1. INTRODUCTION - TM-11-6625-255-140009
Section Il. DESCRIPTION AND DATA
Table 11. Differences Between Models'
Chapter 2. SERVICE UPON RECEIPT AND INSTALLATION
Figure 2-1. Packaging of Spectrum Analyzer TS-723(*)/U.
Figure 2-2. Tube locations, Spectrum Analyzer TS-729(*)/U.
Chapter 3. OPERATING INSTRUCTIONS
Figure 3-2. Front panel controls and indicators, Spectrum Analyzers TS-723B/U, TS-723C/U, and TS-723D/U.
Table 3-1. Operator Controls and Indicators
Section Il. OPERATION UNDER USUAL CONDITIONS
Table 3-2. Typical DB Distortion Measurements
Figure 3-4. Impedance correction chart.
Section Ill. OPERATION UNDER UNUSUAL CONDITIONS
Chapter 4. OPERATOR MAINTENANCE INSTRUCTIONS
Cleaning
Chapter 5. ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section IV. ORGANIZATIONAL TROUBLESHOOTING
Figure 5-1. Lubrication of Spectrum Analyzer TS-723(*)/U.
Chapter 6. FUNCTIONING OF EQUIPMENT
Preamplifier Circuit
Figure 6-1. Block diagram, Spectrum Analyzer TS-723 (*)/U.
Figure 6-2. Preamplifier circuits, simplified schematic diagram.
Figure 6-3. Bridge circuit, simplified schematic diagram.
Figure 6-6. Phase shift characteristics of bridge.
Bridge Amplifier Circuit
Voltage Divider Circuit
Voltage Amplifier and Meter Circuit
Figure 6-11. Meter rectifier circuit, Spectrum Analyzer TS-723D/U.
Power Supply Circuit
Figure 6-12. Power supply circuit, simplified schematic diagram.
Figure 6-13. 115V-230V changeover switch (TS-723C/U and TS-723D/U), partial schematic diagram.
Chapter 7. GENERAL SUPPORT MAINTENANCE
Table 72. Voltage Measurements
Figure 7-2. Spectrum Analyzer TS-723B/U, TS-723C/U, and TS-723D/U chassis, top view, location of parts.
Figure 7-3. Spectrum Analyzer TS-723A/U chassis, bottom view, location of parts,
Figure 7-4. Spectrum Analyzer TS-723B/U chassis, bottom view, location of parts.
Figure 7-5. Spectrum Analyzer TS-723C/U and TS-723D/U chassis, bottom view, location of parts.
Figure 76. B+ voltage distribution.
Figure 77. Tube socket voltage and resistance diagram.
Table 7-4. Troubleshooting Chart
SECTION III. MAINTENANCE OF SPECTRUM ANALYZER
Figure 78. Terminal board voltage and resistance diagram.
Figure 79. Replacing capacitor drive cables
Reassembly.
Adjustment of Regulated B + Voltage
Figure 7-10. Capacitor drive assembly, exploded view.
Alignment of Vtvm Section
Adjustment o f Preamplifier - Bridge Amplifier Gain
Calibrating Wien Bridge Circuit
Section IV. GENERAL SUPPORT TESTING PROCEDURES
Modification Work Orders
Figure 7-11. 225V supply regulation test setup.
Table 7-7. 225- Volt Supply Regulation Test
Figure 712. Internal amplifier gain test setup.
Internal Amplifier Gain Test
Table 7-8. Internal Amplifier Gain Test
Figure 7-13. Voltmeter calibration test setup.
Voltmeter Calibration Test
Table 7-9. Voltmeter Calibration Test Control settings
Figure 714. Noise, set level, and frequency response test setup.
Noise, Set Level, and Frequency Response Test
Table 7-10. Noise, Set Level, and Frequency Response Test
Figure 7-15. Dial calibration test setup.
Dial Calibration Test
Table 7-11. Dial Calibration Test
Table 7-11. Dial Calibration Test - continued
Figure 7-16. Second harmonic attenuation test setup.
Second Harmonic Attenuation Test
Table 7-12. Second Harmonic Attenuation Test
Figure 7-17. Oscilloscope output test setup.
Oscilloscope Output Test
Table 713. Oscilloscope Output Test
Figure 718. Distortion test setup.
Distortion Test
Table 714 Distortion Test
Appendix A. REFERENCES - TM-11-6625-255-140089
Appendix C. MAINTENANCE ALLOCATION - TM-11-6625-255-140091
Tool and Test Equipment Requirements (Table 1)
Section II. MAINTENANCE ALLOCATION CHART
Table I. TOOL AND TEST EQUIPMENT REQUIREMENTS
Figure FO-1. Color code markings for MIL-STD resistors, capacitors, and inductors
Figure FO-2. Schematic diagram, spectrum analyzer. TS-723A/U
Figure FO-3. Schematic diagram, Spectrum Analyzers TS-732B/U, TS-723C/U, and TS-732D/U
Figure FO-4. Wiring Diagram, spectrum analyzer. TS-723A/U
Figure FO-5. Wiring diagram, Spectrum Analyzers TS-732B/U, TS-723C/U, and TS-732D/U
TM-11-6625-255-14 - index
Chapter 1. INTRODUCTION - TM-11-6625-255-140009
Section Il. DESCRIPTION AND DATA
Table 11. Differences Between Models'
Chapter 2. SERVICE UPON RECEIPT AND INSTALLATION
Figure 2-1. Packaging of Spectrum Analyzer TS-723(*)/U.
Figure 2-2. Tube locations, Spectrum Analyzer TS-729(*)/U.
Chapter 3. OPERATING INSTRUCTIONS
Figure 3-2. Front panel controls and indicators, Spectrum Analyzers TS-723B/U, TS-723C/U, and TS-723D/U.
Table 3-1. Operator Controls and Indicators
Section Il. OPERATION UNDER USUAL CONDITIONS
Table 3-2. Typical DB Distortion Measurements
Figure 3-4. Impedance correction chart.
Section Ill. OPERATION UNDER UNUSUAL CONDITIONS
Chapter 4. OPERATOR MAINTENANCE INSTRUCTIONS
Cleaning
Chapter 5. ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section IV. ORGANIZATIONAL TROUBLESHOOTING
Figure 5-1. Lubrication of Spectrum Analyzer TS-723(*)/U.
Chapter 6. FUNCTIONING OF EQUIPMENT
Preamplifier Circuit
Figure 6-1. Block diagram, Spectrum Analyzer TS-723 (*)/U.
Figure 6-2. Preamplifier circuits, simplified schematic diagram.
Figure 6-3. Bridge circuit, simplified schematic diagram.
Figure 6-6. Phase shift characteristics of bridge.
Bridge Amplifier Circuit
Voltage Divider Circuit
Voltage Amplifier and Meter Circuit
Figure 6-11. Meter rectifier circuit, Spectrum Analyzer TS-723D/U.
Power Supply Circuit
Figure 6-12. Power supply circuit, simplified schematic diagram.
Figure 6-13. 115V-230V changeover switch (TS-723C/U and TS-723D/U), partial schematic diagram.
Chapter 7. GENERAL SUPPORT MAINTENANCE
Table 72. Voltage Measurements
Figure 7-2. Spectrum Analyzer TS-723B/U, TS-723C/U, and TS-723D/U chassis, top view, location of parts.
Figure 7-3. Spectrum Analyzer TS-723A/U chassis, bottom view, location of parts,
Figure 7-4. Spectrum Analyzer TS-723B/U chassis, bottom view, location of parts.
Figure 7-5. Spectrum Analyzer TS-723C/U and TS-723D/U chassis, bottom view, location of parts.
Figure 76. B+ voltage distribution.
Figure 77. Tube socket voltage and resistance diagram.
Table 7-4. Troubleshooting Chart
SECTION III. MAINTENANCE OF SPECTRUM ANALYZER
Figure 78. Terminal board voltage and resistance diagram.
Figure 79. Replacing capacitor drive cables
Reassembly.
Adjustment of Regulated B + Voltage
Figure 7-10. Capacitor drive assembly, exploded view.
Alignment of Vtvm Section
Adjustment o f Preamplifier - Bridge Amplifier Gain
Calibrating Wien Bridge Circuit
Section IV. GENERAL SUPPORT TESTING PROCEDURES
Modification Work Orders
Figure 7-11. 225V supply regulation test setup.
Table 7-7. 225- Volt Supply Regulation Test
Figure 712. Internal amplifier gain test setup.
Internal Amplifier Gain Test
Table 7-8. Internal Amplifier Gain Test
Figure 7-13. Voltmeter calibration test setup.
Voltmeter Calibration Test
Table 7-9. Voltmeter Calibration Test Control settings
Figure 714. Noise, set level, and frequency response test setup.
Noise, Set Level, and Frequency Response Test
Table 7-10. Noise, Set Level, and Frequency Response Test
Figure 7-15. Dial calibration test setup.
Dial Calibration Test
Table 7-11. Dial Calibration Test
Table 7-11. Dial Calibration Test - continued
Figure 7-16. Second harmonic attenuation test setup.
Second Harmonic Attenuation Test
Table 7-12. Second Harmonic Attenuation Test
Figure 7-17. Oscilloscope output test setup.
Oscilloscope Output Test
Table 713. Oscilloscope Output Test
Figure 718. Distortion test setup.
Distortion Test
Table 714 Distortion Test
Appendix A. REFERENCES - TM-11-6625-255-140089
Appendix C. MAINTENANCE ALLOCATION - TM-11-6625-255-140091
Tool and Test Equipment Requirements (Table 1)
Section II. MAINTENANCE ALLOCATION CHART
Table I. TOOL AND TEST EQUIPMENT REQUIREMENTS
Figure FO-1. Color code markings for MIL-STD resistors, capacitors, and inductors
Figure FO-2. Schematic diagram, spectrum analyzer. TS-723A/U
Figure FO-3. Schematic diagram, Spectrum Analyzers TS-732B/U, TS-723C/U, and TS-732D/U
Figure FO-4. Wiring Diagram, spectrum analyzer. TS-723A/U
Figure FO-5. Wiring diagram, Spectrum Analyzers TS-732B/U, TS-723C/U, and TS-732D/U
TM-11-6625-255-14 - index
