Figure 1-1. Signal Generator AN/USM-213B
Chapter 1. INTRODUCTION - TM-11-6625-3053-140009
DESTRUCTION OF ARMY MATERIEL.
SECTION II. EQUIPMENT DESCRIPTION
DESCRIPTION OF MAJOR ITEMS.
PHYSICAL DATA.
Figure 1-2. Outline Installation Drawing
SAFETY, CARE & HANDLING.
Section III. PRINCIPLES OF OPERATION
Leveling
Figure 1-3. Simplified Block Diagram
Chapter 2. OPERATING INSTRUCTIONS - TM-11-6625-3053-140019
Table 2-1. Description & Use of Controls, Indicators & Connectors
Table 2-1. Description & Use of Controls, Indicators & Connectors (cont)
Section II: OPERATOR PREVENTIVE MAINTENANCE CHECKS & SERVICES
Table 2-2. Operator Preventive Maintenance Checks & Services
Table 2-2. Operator Preventive Maintenance Checks & Services (cont)
Section III: OPERATION UNDER USUAL CONDITIONS
INITIAL ADJUSTMENTS.
INITIAL ADJUSTMENTS. (cont)
NORMAL OPERATION.
Frequency Selection.
Set output level
Internal Square Wave Modulation
FM Modulation:
External AM Modulation:
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-11-6625-3053-140034
Chapter 3. OPERATOR MAINTENANCE
Chapter 4. ORGANIZATIONAL MAINTENANCE
SECTION III. PREVENTIVE MAINTENANCE CHECKS & SERVICES, TROUBLESHOOTING, AND MAINTENANCE
Table 4-1. Organizational troubleshooting
ORGANIZATIONAL MAINTENANCE.
Chapter 5. DIRECT SUPPORT MAINTENANCE
Chapter 6. GENERAL SUPPORT MAINTENANCE
325 VOLT REGULATOR (Figure 6-3).
Figure 6-2. Oscillator Card Assembly
Figure 6-3. 325 regulated Supply
GRID AND FILAMENT POWER SUPPLIES (Figure 6-5).
Figure 6-4. -750 V regulated Supply
Figure 6-5. Filament and Grid Power Supplies
Figure 6-6. Klystron Oscillator and Tracking System
OSCILLATOR OUTPUT POWER CALIBRATION (Figure 6-7).
Figure 6-7. Oscillator Output Calibration System
Figure 6-8. Automatic Leveling and Modulation
SECTION III. ELECTRICAL CHECK PROCEDURES
SECTION III. ELECTRICAL CHECK PROCEDURES (Cont)
ELECTRICAL CHECK PROCEDURES.
Application of Power
Power Set Check
Maximum Uncalibrate RF Output Power Check
Minimun RF Monitor Uncalibrated Power Unit Out
Attenuator Accuracy Check
Internal Square Wave Check
Internal Square Wave Symmetry Check
EXTERNAL PULSE CHECK
EXT AM MODULATION CHECK
ON-OFF RATIO CHECK,
LEVELED POWER OUTPUT CHECK.
LEVELED POWER OUTPUT CHECK. (Cont)
SECTION IV. ELECTRICAL ALINEMENT PROCEDURE
Table 6-2. ELECTRICAL ALINEMENT PROCEDURES INDEX
-325V BEAM SUPPLY VOLTAGE ALINEMENT
KLYSTRON FILAMENT ALINEMENT
FREQUENCY CAM CALIBRATION & MODE ALINEMENT AFTER REPLACEMENT OF KLYSTRON TUBE OR TRACKING CIRCUIT COMPONENT.
Figure 6-9. Test Setups for Frequency Cam and Mode Alinement
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140074
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140075
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140076
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140077
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140078
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140079
POWER MONITOR METER CALIBRATION
CALIBRATION OF ATTENUATOR OUTPUT
CALIBRATION OF ATTENUATOR OUTPUT (Cont) - TM-11-6625-3053-140082
CALIBRATION OF ATTENUATOR OUTPUT (Cont) - TM-11-6625-3053-140083
ALINEMENT OF POWER SET/AUTO CAL KNOB AS ALC REFERENCE
MODE BALANCE ALINEMENT, OR BALANCING OUTPUT OF AT1 AND AT2 ON A5 LEVELING ATTENUATOR ASSY.
ALINEMENT OF A3R1 SQ RATE ADJ
SECTION V. TROUBLESHOOTING (FAULT LOCATION)
PROCEDURE.
Table 6-3. TROUBLESHOOTING SYMPTOM INDEX
DS1 does not light up (green) when S1 set to ON.
DS1, B1 & DS2 all inoperative when S1 set to ON.
No POWER MONITOR METER
Figure 6-11. Repeller Voltage vs Frequency
No POWER MONITOR METER (Cont)
Cannot aline -750V supply-incorrect voltage.
Cannot aline -750V supply-incorrect voltage. (cont)
Cannot aline -325V Beam Supply-Check A2A3 Card Assy.
A2 Power Supply Assembly Check.
A2 Power Supply Assembly Check. (cont)
Beam Current Faulty.
Filament voltage faulty, cannot be alined.
Grid Voltage Faulty.
Grid Voltage Faulty. (cont)
Output Voltages of Input Transformer T1 Faulty.
A1 Card Assy (Osc Reg Assy) Output Faulty.
A1 Card Assy (Osc Reg Assy) Output Faulty. (cont)
Low Attenuator Output.
Internal Square Wave Frequency Incorrect.
Ext Pulse Modulation Not Functioning Properly.
Ext AM Modulation Not Working.
Figure 6-12. A1 Circuit Card Assy
Figure 6-13. A2A1 Circuit Card Assy
Figure 6-14. A2A2 Circuit Card Assy
Figure 6-15. A2A3 Circuit Card Assy
Figure 6-16. A3 Circuit Card Assy
Figure 6-17. A4A1 Board Assy
Figure 6-18. Main Frame Harness
Figure 6-19. High. Voltage Power Supply Harness
Figure 6-20. A4 Tuning Head Assy Harness
Table 6-4. AN/USM-213B WIRE LIST
MAIN FRAME HARNESS.
HIGH VOLTAGE POWER SUPPLY HARNESS
A4 TUNING HEAD ASSY HARNESS
SECTION VI. DISASSEMBLY AND ASSEMBLY
REPLACEMENT PROCEDURES
REPLACEMENT OF REAR PANEL.
REPLACEMENT OF RF TUNING HEAD.
REPLACEMENT OF B1.
REPLACEMENT OF RECTIFIER CR1
REPLACEMENT OF COMPONENTS ON CIRCUIT CARDS
REPLACEMENT OF T1 of the A2 POWER SUPPLY
REPLACEMENT OF TRACKING POT A4R1
REPLACEMENT OF POWER SET PROBE
REPLACEMENT OF KLYSTRON OSCILLATOR
REPLACEMENT OF A5 LEVELING ATTENUATOR ASSEMBLY.
REPLACEMENT OF A5 LEVELING ATTENUATOR ASSEMBLY. (Cont)
Appendix A: REFERENCES - TM-11-6625-3053-140137
Appendix B: MAINTENANCE ALLOCATION CHART - TM-11-6625-3053-140138
EXPLANATION OF COLUMNS IN THE MAC, SECTION II.
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III.
SECTION II MAINTENANCE ALLOCATION CHART FOR GENERATOR, SIGNAL AN/USM-213B
SECTION II MAINTENANCE ALLOCATION CHART FOR GENERATOR, SIGNAL AN/USM-213B (cont)
SECTION III TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-11-6625-3053-140143
SECTION IV. REMARKS - TM-11-6625-3053-140144
Appendix C : EXPENDABLE SUPPLIES AND MATERIALS
SUBJECT INDEX
Figure FO-1. Top Internal View of AN/USM-213B (Sheet 1 of 2)
Figure FO-1. Top Internal View of AN/USM-213B (Sheet 2 of 2)
Figure FO-2. Schematic DiagramAN/USM-213B (Sheet 1 of 3)
Figure FO-2. Schematic DiagramAN/USM-213B (Sheet 2 of 3)
Figure FO-2. Schematic DiagramAN/USM-213B (Sheet 3 of 3)
TM-11-6625-3053-14 Signal Generator AN/USM-213B (NSN 6625-00-872-3215) Manual
Chapter 1. INTRODUCTION - TM-11-6625-3053-140009
DESTRUCTION OF ARMY MATERIEL.
SECTION II. EQUIPMENT DESCRIPTION
DESCRIPTION OF MAJOR ITEMS.
PHYSICAL DATA.
Figure 1-2. Outline Installation Drawing
SAFETY, CARE & HANDLING.
Section III. PRINCIPLES OF OPERATION
Leveling
Figure 1-3. Simplified Block Diagram
Chapter 2. OPERATING INSTRUCTIONS - TM-11-6625-3053-140019
Table 2-1. Description & Use of Controls, Indicators & Connectors
Table 2-1. Description & Use of Controls, Indicators & Connectors (cont)
Section II: OPERATOR PREVENTIVE MAINTENANCE CHECKS & SERVICES
Table 2-2. Operator Preventive Maintenance Checks & Services
Table 2-2. Operator Preventive Maintenance Checks & Services (cont)
Section III: OPERATION UNDER USUAL CONDITIONS
INITIAL ADJUSTMENTS.
INITIAL ADJUSTMENTS. (cont)
NORMAL OPERATION.
Frequency Selection.
Set output level
Internal Square Wave Modulation
FM Modulation:
External AM Modulation:
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-11-6625-3053-140034
Chapter 3. OPERATOR MAINTENANCE
Chapter 4. ORGANIZATIONAL MAINTENANCE
SECTION III. PREVENTIVE MAINTENANCE CHECKS & SERVICES, TROUBLESHOOTING, AND MAINTENANCE
Table 4-1. Organizational troubleshooting
ORGANIZATIONAL MAINTENANCE.
Chapter 5. DIRECT SUPPORT MAINTENANCE
Chapter 6. GENERAL SUPPORT MAINTENANCE
325 VOLT REGULATOR (Figure 6-3).
Figure 6-2. Oscillator Card Assembly
Figure 6-3. 325 regulated Supply
GRID AND FILAMENT POWER SUPPLIES (Figure 6-5).
Figure 6-4. -750 V regulated Supply
Figure 6-5. Filament and Grid Power Supplies
Figure 6-6. Klystron Oscillator and Tracking System
OSCILLATOR OUTPUT POWER CALIBRATION (Figure 6-7).
Figure 6-7. Oscillator Output Calibration System
Figure 6-8. Automatic Leveling and Modulation
SECTION III. ELECTRICAL CHECK PROCEDURES
SECTION III. ELECTRICAL CHECK PROCEDURES (Cont)
ELECTRICAL CHECK PROCEDURES.
Application of Power
Power Set Check
Maximum Uncalibrate RF Output Power Check
Minimun RF Monitor Uncalibrated Power Unit Out
Attenuator Accuracy Check
Internal Square Wave Check
Internal Square Wave Symmetry Check
EXTERNAL PULSE CHECK
EXT AM MODULATION CHECK
ON-OFF RATIO CHECK,
LEVELED POWER OUTPUT CHECK.
LEVELED POWER OUTPUT CHECK. (Cont)
SECTION IV. ELECTRICAL ALINEMENT PROCEDURE
Table 6-2. ELECTRICAL ALINEMENT PROCEDURES INDEX
-325V BEAM SUPPLY VOLTAGE ALINEMENT
KLYSTRON FILAMENT ALINEMENT
FREQUENCY CAM CALIBRATION & MODE ALINEMENT AFTER REPLACEMENT OF KLYSTRON TUBE OR TRACKING CIRCUIT COMPONENT.
Figure 6-9. Test Setups for Frequency Cam and Mode Alinement
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140074
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140075
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140076
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140077
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140078
Figure 6-10. Frequency Cam Tab Locations & Klystron Mode Patterns (cont) - TM-11-6625-3053-140079
POWER MONITOR METER CALIBRATION
CALIBRATION OF ATTENUATOR OUTPUT
CALIBRATION OF ATTENUATOR OUTPUT (Cont) - TM-11-6625-3053-140082
CALIBRATION OF ATTENUATOR OUTPUT (Cont) - TM-11-6625-3053-140083
ALINEMENT OF POWER SET/AUTO CAL KNOB AS ALC REFERENCE
MODE BALANCE ALINEMENT, OR BALANCING OUTPUT OF AT1 AND AT2 ON A5 LEVELING ATTENUATOR ASSY.
ALINEMENT OF A3R1 SQ RATE ADJ
SECTION V. TROUBLESHOOTING (FAULT LOCATION)
PROCEDURE.
Table 6-3. TROUBLESHOOTING SYMPTOM INDEX
DS1 does not light up (green) when S1 set to ON.
DS1, B1 & DS2 all inoperative when S1 set to ON.
No POWER MONITOR METER
Figure 6-11. Repeller Voltage vs Frequency
No POWER MONITOR METER (Cont)
Cannot aline -750V supply-incorrect voltage.
Cannot aline -750V supply-incorrect voltage. (cont)
Cannot aline -325V Beam Supply-Check A2A3 Card Assy.
A2 Power Supply Assembly Check.
A2 Power Supply Assembly Check. (cont)
Beam Current Faulty.
Filament voltage faulty, cannot be alined.
Grid Voltage Faulty.
Grid Voltage Faulty. (cont)
Output Voltages of Input Transformer T1 Faulty.
A1 Card Assy (Osc Reg Assy) Output Faulty.
A1 Card Assy (Osc Reg Assy) Output Faulty. (cont)
Low Attenuator Output.
Internal Square Wave Frequency Incorrect.
Ext Pulse Modulation Not Functioning Properly.
Ext AM Modulation Not Working.
Figure 6-12. A1 Circuit Card Assy
Figure 6-13. A2A1 Circuit Card Assy
Figure 6-14. A2A2 Circuit Card Assy
Figure 6-15. A2A3 Circuit Card Assy
Figure 6-16. A3 Circuit Card Assy
Figure 6-17. A4A1 Board Assy
Figure 6-18. Main Frame Harness
Figure 6-19. High. Voltage Power Supply Harness
Figure 6-20. A4 Tuning Head Assy Harness
Table 6-4. AN/USM-213B WIRE LIST
MAIN FRAME HARNESS.
HIGH VOLTAGE POWER SUPPLY HARNESS
A4 TUNING HEAD ASSY HARNESS
SECTION VI. DISASSEMBLY AND ASSEMBLY
REPLACEMENT PROCEDURES
REPLACEMENT OF REAR PANEL.
REPLACEMENT OF RF TUNING HEAD.
REPLACEMENT OF B1.
REPLACEMENT OF RECTIFIER CR1
REPLACEMENT OF COMPONENTS ON CIRCUIT CARDS
REPLACEMENT OF T1 of the A2 POWER SUPPLY
REPLACEMENT OF TRACKING POT A4R1
REPLACEMENT OF POWER SET PROBE
REPLACEMENT OF KLYSTRON OSCILLATOR
REPLACEMENT OF A5 LEVELING ATTENUATOR ASSEMBLY.
REPLACEMENT OF A5 LEVELING ATTENUATOR ASSEMBLY. (Cont)
Appendix A: REFERENCES - TM-11-6625-3053-140137
Appendix B: MAINTENANCE ALLOCATION CHART - TM-11-6625-3053-140138
EXPLANATION OF COLUMNS IN THE MAC, SECTION II.
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III.
SECTION II MAINTENANCE ALLOCATION CHART FOR GENERATOR, SIGNAL AN/USM-213B
SECTION II MAINTENANCE ALLOCATION CHART FOR GENERATOR, SIGNAL AN/USM-213B (cont)
SECTION III TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-11-6625-3053-140143
SECTION IV. REMARKS - TM-11-6625-3053-140144
Appendix C : EXPENDABLE SUPPLIES AND MATERIALS
SUBJECT INDEX
Figure FO-1. Top Internal View of AN/USM-213B (Sheet 1 of 2)
Figure FO-1. Top Internal View of AN/USM-213B (Sheet 2 of 2)
Figure FO-2. Schematic DiagramAN/USM-213B (Sheet 1 of 3)
Figure FO-2. Schematic DiagramAN/USM-213B (Sheet 2 of 3)
Figure FO-2. Schematic DiagramAN/USM-213B (Sheet 3 of 3)
TM-11-6625-3053-14 Signal Generator AN/USM-213B (NSN 6625-00-872-3215) Manual
