TM-11-6625-667-45

• GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL
• General Support and Depot Maintenance Manual
• SAFETY STEPS TO FOLLOW IF SOMEONE IS THE VICTIM OF ELECTRICAL SHOCK
• WARNING
• TABLE OF CONTENTS
• LIST OF ILLUSTRATIONS
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• LIST OF ILLUSTRATIONS
• LIST OF ILLUSTRATIONS--Continued
• CHAPTER 1 GENERAL
• Administrative Storage
• CHAPTER 2 FUNCTIONING
• Transmitter Modulator and RF Circuits
• Figure 2-1. Encoder timing diaqram.
• Receiver Section
• Decoder Section
• Error Blanking and Detection
• Figure 2-2. Typical SIF type reply trains.
• Figure 2-3. Single train timing diagram.
• Figure 2-4. Train plus I/P pulse timing diagram.
• Figure 2-5. Two-train timing diagram.
• Power Supply Section
• Figure 28. Typical one-shot circuit.
• Figure 2-10. Typical transistor AND gate circuit.
• Suppression Pulse (P2) Generation
• Transmitter Section, Stage Analysis
• Figure 2-11. Low P2 pulse and main modulator, simplified diagram.
• Decoder Section, Basic Logic Analysis
• Figure 2-12. Receiver section, input and video amplifier, simplified schematic diagram.
• Mode 1 identity and emergency tests
• Error Detection Circuit.
• Readout Circuit
• PIUS 28-Volt Dc Supply, Stage Analysis
• Dc Power Supply Module A14, 150- Volt, Stage Analysis
• CHAPTER 3 TROUBLESHOOTING
• Test Equipment and Tools Required
• Sectionalization Tests
• Sectionalization Tests-CONT.
• Sectionalization Tests Using AN/UPM-98.
• Sectionalization Tests Using AN/UPM-98.-CONT.
• Sectionalization Tests Using AN/UPM-98.-CONT.
• Sectionalization Tests Using AN/UPM-98.-CONT.
• Sectionalization Tests Using AN/UPM-98.-CONT.
• Sectionalization Tests Using AN/UPM-137A.
• Sectionalization Tests Using AN/UPM-137A.-CONT.
• Sectionalization Tests Using AN/UPM-137A.-CONT.
• Sectionalization Tests Using AN/UPM-137A.-CONT.
• Sectionalization Tests Using AN/UPM-137A.-CONT.
• Figure 3-1.1. Power supply test setup using AN/UPM-137A
• Figure 3-1. Power supply test setup.
• Figure 3-2. Transmitter frequency test setup.
• Figure 3-4. Transmitter pulse characteristics test setup.
• Figure 3-5. Receiver and decoder test setup.
• Figure 3-5.1. Receiver and Decodcr test setup using AN/UPM-137A
• Figure 3-6. Test point location.
• Figure 3-7. Adjustmcnt control location.
• Checking Power Supply Section and B+output Circuits for Shorts
• Localizing Troubles
• Localizing Troubles
• Localizing Troubles-CONT.
• Localizing Troubles-CONT.
• Localizing Troubles-CONT.
• Localizing Troubles-CONT.
• Isolating Trouble Within Stage
• Figure 3-8. 12-volt regulator and resistance diagram.
• Figure 3-9. 150-volt power supply voltage and resistance diagram.
• Figure 3-10. Transmitter A16 voltage and resistance diagram.
• Figure 3-11. Encoder module A4 voltage and resistance diagram.
• Figure 3-12. Encoder module A5 voltage and resistance diagram
• Figure 3-13. Decoder module A7 voltage and resistance diagram.
• Figure 3-14. Decoder module A8 voltage and resistance diagram.
• Figure 3-15. Decoder module A9 voltage and resistance diagram.
• Figures 3-16. Decoder module A10 voltage and resistance digram.
• Figure 3-17. Decoder module A11 voltage and resistance diagram.
• Figure 3-18. Decoder module A12 voltage and resistance diagram.
• Figure 3-18. Decoder module A12 voltage and resistance diagram.-CONT./
• IN-CIRCUITRESISTANCE MEASUREMENTS OF MODULE A8
• IN-CIRCUITRESISTANCE MEASUREMENTS OF MODULE A9
• IN-CIRCUITRESISTANCE MEASUREMENTS OF MODULE A11
• IN-CIRCUITRESISTANCE MEASUREMENTS OF MODULE A13
• Out-of-Circuit Transistor Tests
• Dc Resistance of Transformers
• Figure 3-21. Grounded emitter dc gain tests.
• General Instructions
• Test Equipment and Tools Required
• Sectionalization Tests
• Sectionalization Tests-CONT.
• Sectionalization Test Using AN/TPM-25A
• Sectionalization Test Using AN/TPM-25A-cont.
• Sectionalization Test Using AN/TPM-25A-cont.
• Sectionalization Test Using AN/TPM-25A-cont.
• Sectionalization Test Using AN/TPM-25A-cont.
• Sectionalization Test Using AN/TPM-25A-cont.
• Sectionalization Test Using AN/UPM-137A-cont.
• Sectionalization Test Using AN/UPM-137A-cont.
• Sectionalization Test Using AN/UPM-137A-cont.
• Sectionalization Test Using AN/UPM-137A-cont.
• Sectionalization Test Using AN/UPM-137A-cont.
• Figure 3-22. System timing setup using AN/PM-25A.
• Figure 3-23. Transmitter frequency test setup using AN/TPM-25A
• Figure 3-24. Transmitter pulse characteristics test setup using AN/TPM-25A.
• Figure 3-25. Receiver and decoder test setup or video delay and period test using AN/TPM-25A.
• CHAPTER 4 REPAIRS AND ALIGNMENT
• Transmitter Power and Pulse Adjustments
• Transmitter Power and Pulse Adjustments
• Transmitter Power and Pulse Adjustments
• Additional Test Equipment Required
• Receiver Section and Decoder Section Adjustments Using AN/ UPM-137A
• Transmitter Power and Pulse Adjustments
• Receiver Section and Decoder Section Adjustments Using AN/TPM-26A
• Reply Evaluator Adjustment
• CHAPTER 5 GENERAL SUPPORT TESTING
• Figure 5-1. Transmitter frequency test setup
• Transmitter Frequency Test
• Figure 5-2. Transmitter power test setup
• Transmitting Power Test
• Transmitter Output Pulse Test
• Test Equipment Required
• Figure 5-3. Transmitter output pulse test
• Receiver Frequency, Sensitivity and Bandwidth Test
• Receiver Frequency, Sensitivity and Bandwidth Test
• Test Connection and Conditions
• Test Connection and Conditions-cont.
• Test Connection and Conditions-cont.
• Figure 5-4. Receiver and decoder test setup
• Video Enable Delay and T e s t
• Video Enable Delay and Test-cont.
• Figure 5-5. Receiver and decoder test setup using AN/UPM-98
• Decoder Tests
• Decoder Tests-cont.
• Decoder Tests-cont.
• Figure 5-6. Receiver and decoder test setup
• Reply Evaluation Percentage Tests
• Reply Evaluation Percentage Tests-cont.
• Figure 5-7. Reply evaluation percentage test setup using AN/UPM-98
• Figure 5-7.1 Reply evaluation percentage test setup using AN/UPM-137A
• Test Equipment Requested
• Test Connections and Conditions
• CHAPTER 5.1 MODE 4 FUNCTIONING AND MAINTENANCE FOR MODE 4
• Mode 4 Reply Evaluation Section
• Direct rf connection test count.
• Volt Regulator Module A3
• Section II. TROUBLESHOOTING
• Sectionalization
• Sectionalization Tests Using AN/UPM-98
• Sectionalization Tests Using AN/UPM-98-CONT.
• Sectionalization Tests Using AN/UPM-137A
• Sectionalization Tests Using AN/UPM-137A.
• Sectionalization Tests Using AN/UPM-137A-CONT.
• Sectionalization Tests Using AN/UPM-137A.
• Sectionalization Tests Using AN/UPM-137A-CONT.
• Sectionalization Tests Using AN/TPM-25A
• Sectionalization Tests using AN/TPM-25A
• Sectionalization Tests using AN/TPM-25A-CONT.
• Sectionalization Tests using AN/TPM-25A-CONT.
• Sectionalization Tests Using AN/UPM-137A
• Sectionalization Tests Using AN/UPM-137A-CONT.
• Sectionalization Tests Using AN/UPM-137A-CONT.
• Sectionalization Tests Using AN/UPM-137A-CONT.
• Sectionalization Tests Using AN/UPM-137A-CONT.
• Sectionalization Tests Using AN/UPM-137A-CONT.
• Figure 5.1-11. Note 4 timing test setup, using AN/TPM-25A.
• Figure 5.1-12. Mode 4 test connections using AN/TPM-25A.
• Figure 5.1-1. Test point location
• Localizing Troubles
• Mode 4 Module A1 Troubleshooting
• Figure 5.1-3. Module A1 resistance diagram
• Figure 5.1-4. Module A2 resistance diagram.
• Figure 5.1-5. Module A3 voltage and resistance diagram.
• Isolating Trouble Within Stage
• Analysis of Measurements
• Analysis of Measurements-CONT.
• Section III. MODE 4 ALIGNMENT
• Mode 4 Receiver Sensitivity and Reply Video Adjustments Using AN/UPM-137A
• Mode 4 Challenge Video Adjustment
• Section IV. GENERAL SUPPORT TESTING PROCEDURES
• Mode 4 Reply Decoder Tests
• Mode 4 Reply Decoder Tests Using AN/UPM-137A
• Mode 4 Reply Decoder Tests Using AN/UPM-137A-CONT.
• Mode 4 Reply Decoder Tests Using AN/UPM-137A-CONT.
• Mode 4 Reply Decoder Tests Using AN/UPM-137A-CONT.
• Mode 4 Reply Decoder Tests Using AN/UPM-137A-CONT.
• Mode 4 Challenge Video Tests Using AN/UPM-98
• Mode 4 Challenge Video Tests Using AN/UPM-98
• Mode 4 Challenge Video Tests Using  AN/UPM-137
• Mode 4 Challenge Video Tests Using AN/UPM-137-CONT.
• Mode 4 Challenge Video Tests Using AN/UPM-137-CONT.
• Figure 5.1-7. Mode 4 test connections.
• Figure 5.1-7.1. Mode 4 Test connections using AN/UPM-137A
• FIGURE 5.1-8. MODULE A1 SOCKET WAVEFORMS
• Figure 5.1-9. Module A2 socket waveforms.
• Figure 5.1-10. Adjustment control locations
• Section V. MODE 4 ALIGNMENT USING AN/TPM-25A
• Mode 4 Receiver Sensitivity and Reply Video Adjustments Using AN/UPM-137A
• Mode 4 Challenge Video Adjustment Using AN/UPM-137A
• Section VI. GENERAL SUPPORT TESTING PROCEDURES DURING MODE 4 OPERATION USING AN/TPM-25A AND AN/U PM-137A
• Mode 4 Reply Decoder Tests
• Mode 4 Reply Decoder Tests-CONT.
• Mode 4 Reply Decoder Tests-CONT.
• Mode 4 Reply Decoder Tests Using AN/ UPM-137A
• Test Connections and Conditions
• Test Connections and Conditions-CONT.
• Test Connections and Conditions.-CONT.
• Test Connections and Conditions.-CONT.
• Mode 4 Challenge Video Tests
• Mode 4 Challenge Video Tests-CONT.
• Mode 4 Challenge Video Tests
• Mode 4 Challenge Video Tests-CONT.
• Mode 4 Challenge Video Tests-CONT.
• CHAPTER 5.2 GENERAL SUPPORT TESTING PROCEDURES USING AN/TPM-25A
• Transmitter Frequency Test
• Transmitter Frequency Test-CONT.
• Figure 5.2-1. System timing setup using AN/TPM-25A.
• Figure 5.2-2. Tmnsmitter frequency test setup using AN/TPM-25A.
• Transmitter Power Test
• Transmitter Output Pulse Test
• Transmitter Output Pulse Test-CONT.
• Figure 5.2-3. Transmitter pulse characteristics test setup using AN/TPM-25A.
• Receiver Frequency, Sensitivity, and Bandwidth Test
• Receiver Frequency, Sensitivity, and Bandwidth Test-CONT.
• Figure 5.2-4. Receiver frequency and bandwidth test setup using AN/TPM-25A.
• Video Enable Delay and Period Test
• Video Enable Delay and Period Test-CONT.
• Figure 5.2-5. Video enable delay and period test setup using AN/TPM-25a.
• Decoder Tests
• Decoder Tests-CONT.
• Reply Evaluation Percentage Tests
• Figure 5.2-6. Reply evaluation percentage tests.
• CHAPTER 6 DEPOT MAINTENANCE
• General Parts Replacement Techniques
• Figure 6-1. Cavity A16A1Z1, exploded view..
• CHAPTER 7 DEPOT OVERHAUL STANDARDS
• Initial Test Procedures Using AN/UPM-137A
• Initial Test Procedures Using AN/UPM-137A-CONT.
• Figure 7-1. Receiver frequency, sensitivity, and bandwidth test setup.
• Receiver Frequency and Bandwidth Using AN/UPM-137A
• Video Enable Delay and Gating Tests
• Comparing Pulse Position Test
• Read Delay, Error Detector, and Function (Controls) Test
• Reply Evaluator Test
• CHAPTER 7.1 D E P O T OVERHAUL STANDARDS USING AN/TPM-25A
• Figure 7.1-1. Depot system timing setup using AN/TPM-25A.
• Figure 7.1-2 Depot overhaul standards basic test setup
• Composition Pulse Position Test
• Read Delay, Error Detector, and Function (Controls) Test
• Reply Evaluator Test
• CHAPTER 8 DIAGRAMS
• Figure 8-0.1. Color code marking for MIL-STD resistors
• Figure 8-0.1. Color code marking for MIL-STD resistors.
• FIGURE 8-1. TEST SET GENERATOR, BLOCK DIAGRAM
• FIGURE 8-2. ENCODER, LOGIC DIAGRAM
• SCHEMATIC DIAGRAM
• FIGURE 8-4. COMPARISON PULSE GENERATOR, LOGIC DIAGRAM
• FIGURE 8-5. ERROR DETECTOR CIRCUIT, LOGIC DIAGRAM
• FIGURE 8-6. POWER SUPPLY SECTION, SCHEMATIC DIAGRAM
• FIGURE 8-7. TRANSMITTER-MODULATOR, SCHEMATIC DIAGRAM
• FIGURE 8-8. ENCODER MODULE A4,SCHEMATIC DIAGRAM
• FIGURE 8-9. ENCODER MODULE A5,SCHEMATIC DIAGRAM
• FIGURE 8-10. DECODER MODULE A7, SCHEMATIC DIAGRAM
• SCHEMATIC DIAGRAM
• FIGURE 8-12. DECODER MODULE A9, SCHEMATIC DIAGRAM
• FIGURE 8-13. DECODER MODULE A10,SCHEMATIC DIAGRAM
• FIGURE 8-14. DECODER MODULE A11,SCHEMATIC DIAGRAM
• FIGURE 8-15. DECODER MODULE A12, SCHEMATIC DIAGRAM
• FIGURE 8-16 FRONT PANEL A15,SCHEMATIC DIAGRAM ( PART 1 OF 2 )
• FIGURE 8-16 FRONT PANEL A15,SCHEMATIC DIAGRAM ( PART 2 OF 2 )
• FIGURE 8-17.ENCODER MODULE A4,TRANSISTOR SOCKET WAVEFORMS
• FIGURE 8-18. ENCODER MODULE,TRANSISTOR SOCKET WAVEFORMS
• FIGURE 8-19. DECODER MODULE A7, TRANSISTOR SOCKET WAVEFORMS
• FIGURE 8-20. DECODER MODULE A9, TRANSISTOR SOCKET WAVEFORMS
• FIGURE 8-21. DECODER MODULE A10, TRANSISTOR SOCKET WAVEFORMS
• FIGURE 8-22. DECODER MODULE A11, TRANSISTOR SOCKET WAVEFORMS
• FIGURE 8-23. DECODER MODULE A12, TRANSISTOR SOCKET WAVEFORMS
• FIGURE 8-24. FRONT PANEL A15, WIRING DIAGRAM (PART 1 OF 4 )
• FIGURE 8-24. FRONT PANEL A15, WIRING DIAGRAM (PART 2 OF 4 )
• FIGURE 8-24. FRONT PANEL A15, WIRING DIAGRAM (PART 3 OF 4 )
• FIGURE 8-24. FRONT PANEL A15, WIRING DIAGRAM (PART 4 OF 4 )
• FIGURE 8-25. TRANSMITTER A16, WIRING DIAGRAM AND PARTS LOCATION ( PART 1 OF 2 )
• FIGURE 8-25. TRANSMITTER A16, WIRING DIAGRAM AND PARTS LOCATION ( PART 2 OF 2 )
• FIGURE 8-26. 12-VOLT REGULATOR MODULE A13, WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-27. 150-VOLT POWER SUPPLY MODULE A14,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-28. ENCODER MODULE A4,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-29. ENCODER MODULE A5,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-30. DECODER MODULE A7,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-31. DECODER MODULE A8,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-32. DECODER MODULE A9,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-33. DECODER MODULE A10,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-34. DECODER MODULE A11,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-35. DECODER MODULE A12,WIRING DIAGRAM AND PARTS LOCATION
• FIGURE 8-36. TEST POINT WAVEFORM DIAGRAM
• FIGURE 8-38. MODE 4 SECTION, LOGIC DIAGRAM ( PART 1 OF 2 )
• FIGURE 8-38. MODE 4 SECTION, LOGIC DIAGRAM ( PART 2 OF 2 )
• Fiigure 8-39. 5-volt regulator module A3, block diagram.
• FIGURE 8-40. MODE 4 MODULE A1, SCHEMATIC DIAGRAM ( PART 1 OF 2 )
• FIGURE 8-40. MODE 4 MODULE A1, SCHEMATIC DIAGRAM ( PART 2 OF 2 )
• FIGURE 8-41. MODE 4 MODULE A2, SCHEMATIC DIAGRAM ( PART 1 OF 2 )
• FIGURE 8-41. MODE 4 MODULE A2, SCHEMATIC DIAGRAM ( PART 2 OF 2 )
• FIGURE 8-42. 5-VOLT REGULATOR MODULATOR A3. SCHEMATIC DIAGRAM
• FIGURE 8-43. MODE 4 MODULE A1, PARTS LOCATION DIAGRAM
• FIGURE 8-44. MODE 4 MODULE A2, PARTS LOCATION DIAGRAM
• FIGURE 8-45. 5-VOLT REGULATOR MODULE A3, PARTS LOCATION DIAGRAM
• Figure 8-46. Cable assembly, special purpose, electrical CX12216/APM-123(V) Mschematic diagram.
• APPENDIX REFERENCES
• INDEX
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• TM-11-6625-667-45
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• Distribution
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• DISTRIBUTION
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