Chapter 1. INTRODUCTION - TM-9-6625-1753-140004Table 1-1. Nomenclature and Reference DesignationsSection II. DESCRIPTION AND DATAChapter 2. OPERATING INSTRUCTIONSTable 2-2.1. Dual Trace Plug-In 79-02A, Controls, Indicators, and Connectors (Fig. 2-6) - ContinuedTable 2-3. Delaying Sweep Plug-In, Controls, Indicators, and ConnectorsUse of ProbeTrigger coupling for normal or delayed sweepTriggered-delayed operationFigure 2-4. Pulse width measurements using the DELAY VERNIER controlFigure 2-6. Oscilloscope front panel controls and indicator.Table 2-4. Oscilloscope Check ProceduresTable 2-4. Oscilloscope Check Procedures - continued - TM-9-6625-1753-140016Table 2-4. Oscilloscope Check Procedures - continued - TM-9-6625-1753-140017Table 2-5. Dual race Plug-In 79-02A, Check Procedures (Nonperiodic)Table 2-5. Dual race Plug-In 79-02A, Check Procedures (Nonperiodic) - continued - TM-9-6625-1753-140019Table 2-5. Dual race Plug-In 79-02A, Check Procedures (Nonperiodic) - continued - TM-9-6625-1753-140020Chapter 3. THEORY OF OPERATIONTriggered-strobe.Voltage Regulators.Low Voltage Power Supply Figure 3-1.2. +200V and +100V regulators, functional block diagram, newer 765MH, 765MH/F and 765MA.Section III. FUNCTIONAL THEORY - DUAL TRACE PLUG-IN TYPE 76-02A (Y-DEFLECTION)Figure 3-2. Interstage voltage attenuator equivalent circuit.Delay Line DriversMode SelectionSection IV. FUNCTIONAL THEORY-DELAYING SWEEPFigure 3-3. Tunnel diode characteristic.Normal Sweep Gate.Lockout Circuit. - TM-9-6625-1753-140033Summary. - TM-9-6625-1753-140034Summary. - TM-9-6625-1753-140035Figure 3-9. Triggered-strobe mode waveforms.Delayed SweepX Amplifier Only.Section V. FUNCTIONAL THEORY-DELAYING SWEEP PLUG-IN 74-13A (X-DEFLECTION), NEWER VERSIONFigure 3-14. Normal sweep mode, functional block diagram.Lockout Circuit. - TM-9-6625-1753-140041Figure 3-17. Simplified timing diagram, triggered-strobe display.Figure 3-19. Simplified timing diagram, delayed-triggered display.Figure 3-21. Simplified timing diagram, delayed-armed strobe display.Figure 3-23. Simplified timing diagram for delayed-armed display.Figure 4-1. Power supply, block diagram.Figure 4-2. Oscilloscope, block diagram.Figure 4-3. Power supply, functional schematic.Figure 4-4. Dual trace plug-in (type 76-02A), functional schematic (sheet 1 of 2).Figure 4-4. Dual trace plug-in (type 76-02-A), functional schematic (sheet 2 of 2).Figure 4-4.1. Dual trace plug-in (type 79-0A), functional schematic (sheet 1 of 4)Figure 4-4.1. Dual trace plug-in (type 79-02A), functional schematic (sheet 2 of 4)Figure 4-4.1. Dual trace plug in (type 79-02A), functional schematic (sheet 3 of 4)Figure 4-4.1. Dual trace plug-in (type 79-02A), functional schematic (sheet 4 of 4)Figure 4-5. Delaying sweep plug-in (type 74-13A), functional schematic (sheet 1 of 3)Figure 4-5. Delaying sweep plug-in (type 74-13A), functional schematic (sheet 2 of 3).Figure 4-5. Delaying sweep plug-in (type 74-13A), functional schematic (sheet 3 of 3).Chapter 5. MAINTENANCE INSTRUCTIONSTable 5-2. Troubleshooting the Main FrameFigure 5-1.1. Main frame, oscilloscope, 765MH/F and newer model 765MH (rear view).Figure 5-2. Main frame, top view showing connectors, switch, and HV rectifier.Figure 5-4. Main frame, oscilloscope 765MH, rear view showing diodes, transistors, and CFT.Table 5-3. Troubleshooting Dual Trace Plug-In Type 76-02ATable 5-3. Troubleshooting Dual Trace Plug-In Type 76-02A - continuedFigure 5-7. Dual trace plug-in, left side view showing transistors and nuvistors (tubes).Figure 5-9. Dual-trace plug-in, right side view showing transistors.Table 5-4. Troubleshooting Delaying Sweep Plug-In Type 74-13A - ContinuedFigure 5-10. Delaying sweep plug-in, right side view showing adjustments.Figure 5-12. Delaying sweep plug-in, left side view showing transistors and tubes.Figure 5-13.01. Delaying sweep plug-in, newer version, right-side view showing transistors and adjustments.Troubleshooting Dual Trace Plug-In 79-02ASection IV. CORRECTIVE MAINTENANCEReplacement of the Fan AssemblyChapter 6. SCHEMATICSFigure 6-1. Main frame, oscilloscope 765MH with mod 116, schematic (sheet 1 of 5)Figure 6-1. Main frame, oscilloscope 765MH with mod 116, schematic (sheet 2 of 5)Figure 6-1. Main frame, oscilloscope 765MH with mod 116, schematic (sheet 3 of 5)Figure 6-1. Main frame, oscilloscope 765MH with mod 116, schematic (sheet 4 of 6)Figure 6-1. Main frame, oscilloscope 765MH with mod 116, schematic (sheet 5 of 5)Figure 6-1.1. Main frame; low voltage power supplies, 765MH (newer), 765MH/F and 765MA, schematic.Figure 6-1.2. Main frame; CRT and high voltage circuits, 765MH (newer) and 765MH/F, schematic.Figure 6-1.3. Main frame; CRT and high voltage circuits, 765MA, schematic.Figure 6-2. Dual trace plug-in (type 76-02A with mod 101 and delay line), schematic (sheet 1 of 5)Figure 6-2. Dual trace plug-in (type 76-02A with mode 101 and delay line), schematic (sheet 2 of 5)Figure 6-2. Dual trace plug-in (type 76-02A with mod 101 and delay line), schematic (sheet 3 of 5)Figure 6-2. Dual trace plug-in (type 76-02A with mod 101 and delay line), schematic (sheet 4 of 5)Figure 6-2. Dual trace plug-in (type 76-02A with mod 101 and delay line), schematic (sheet 5 of 5)Figure 6-2.1. Dual trace plug-in (type 79-02A with mode 103 and delay line), schematic (sheet 1 of 4)Figure 6-2.1. Dual trace plug-in (type 79-02A with mod 103 and delay line), schematic (sheet 2 of 4)Figure 6-2.1. Dual trace plug-in (type 79-02A with mod 103 and delay line), schematic (sheet 3 of 4)Figure 6-2.1. Dual trace plug-in (type 79-02A with mod 103 and delay line), schematic (sheet 4 of 4)Figure 6-3. Delaying sweep plug-in, older version (type 74-13A with mod 101), schematic (sheet 1 of 6)Figure 6-3. Delaying sweep plug-in, older version (type 74-13A with mod 101), schematic (sheet 2 of 6)Figure 6-3. Delaying sweep plug-in, older version (type 74-13A with mod 101), schematic (sheet 3 of 6)Figure 6-3. Delaying sweep plug-in, older version (type 74-13A with mod 101), schematic (sheet 4 of 6)Figure 6-3. Delaying sweep plug-in, older version (type 74-13A with mod 101), schematic (sheet 5 of 6)Figure 6-3. Delaying sweep plug-in, older version (type 74-13A with mod 101), schematic (sheet 6 of 6)Figure 6-4. Delaying sweep plug-in, newer version (type 74-13A with mod 101), schematic (sheet 1 of 7)Figure 6-4. Delaying sweep plug-in, newer version (type 74-13A with mod 101), schematic (sheet 2 of 7)Figure 6-4. Delaying sweep plug-in, newer version (type 74-13A and mod 101), schematic (sheet 3 of 7)Figure 6-4. Delaying sweep plug-in, newer version (type 74-13A with mod 101), schematic (sheet 4 of 7)Figure 6-4. Delaying sweep plug-in, newer version (type 74-13A with mod 101), schematic (sheet 5 of 7)Figure 6-4. Delaying sweep plug-in, newer version (type 74-13A with mod 101), schematic (sheet 6 of 7)Figure 6-4. Delaying sweep plug-in, newer version (type 74-13A with mod 101), schematic (sheet 7 of 7)Chapter 7. SHIPMENT AND STORAGE AND DESTRUCTION OF MATERIEL TO PREVENT ENEMY USEStorageAppendix A. REFERENCES - TM-9-6625-1753-140107TM-9-6625-1753-14 - index