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List of Figures
Figure 1-1 HP5501B Laser Head ..................................................................................................................1-1
Figure 2-1. HP 107788 Power Cable ............................................................................................................2-3
Figure 2-2. HP 107798 Reference Cable ......................................................................................................2-4
Figure 2-3. Typical Transducer System Interconnections............................................................................2-5
Figure 2-4. Interconnecting Plug Details ......................................................................................................2-5
Figure 2-5. HP 5501B Laser Head Interconnect Wire Fabrication ...............................................................2-6
Figure 2-6. Mounting Details and Physical Characteristics ..........................................................................2-8
Figure 3-1. HP5501B Front Panel Controls ................................................................................................3-10
Figure 3-2. HP5501B Rear Panel Connectors and Indicators ....................................................................3-11
Figure 3-2. HP5501B Rear Panel Connectors and Indicators (Continued)................................................3-12
Figure 4-1. HP5501B Power Connection......................................................................................................4-2
Figure 5-1. A 1 Connector Board, TEST-NORM Switch and Adjustment Locations ....................................5-2
Figure 5-2. A3 Controller/Ref Board, Jumpers, Test Points, and Adjustment Locations .............................5-3
Figure 5-3. 55018 High Voltage Areas and Anode Lead ..............................................................................5-5
Figure 6-1. HP5501B Laser Head Exploded View ......................................................................................6-11
Figure 8-1. Schematic Diagram Notes..........................................................................................................8-2
Figure 8-2.HP5501B Laser Head Block Diagram .........................................................................................8-6
Figure 8-3. Flow Diagram for State Machine ................................................................................................8-7
Figure 8-4. Feedback Loop during Warmup Mode ......................................................................................8-8
Figure 8-5. Warmup Mode Timing Diagram .................................................................................................8-9
Figure 8-6. Feedback Loop During Optical Mode........................................................................................8-9
Figure 8-7. A6 Sampler Assembly, Exploded View ....................................................................................8-10
Figure 8-8. Liquid Crystal Timing Diagram (Optical Mode)........................................................................8-11
Figure 8-9. Logic Clip Monitoring of Test IC U9 .........................................................................................8-14
Figure 8-10. HP5501B Front Panel and Side Cover Removal....................................................................8-16
Figure 8-11. Factory-adjusted Sampler Mount (MP1) ................................................................................8-18
Figure 8-12. Laser Tube Tuning Characteristics.........................................................................................8-19
Figure 8-13. Quick Tuning Check Test Setup ............................................................................................8-20
Figure 8-14. Quick Tuning Check Waveform Display.................................................................................8-21
Figure 8-15. Liquid Crystal Removal...........................................................................................................8-21
Figure 8-16. Liquid Crystal Test Setup .......................................................................................................8-22
Figure 8-17. HP5501B TEST-NORM Switch A1S2 .....................................................................................8-23
Figure 8-18. High Voltage Power Supply, Schematic Diagram..................................................................8-31
Figure 8-19. State Machine Timing Diagram ..............................................................................................8-33
Figure 8-20. Test Point 11 Waveform (HEATER SENSE) ...........................................................................8-44
Figure 8-21. E-REF [U20 (Pin 9)] ................................................................................................................8-45
Figure 8-22. REFerence Signal Waveforms................................................................................................8-47
Figure 8-23. A1 Connector Board Component Locator .............................................................................8-50
Figure 8-23. A1 Connector Board Component Schematic Diagram..........................................................8-51
Figure 8-23. A1 ↔ A3 Connector Pin Table................................................................................................8-52
Schematic Diagram (Sheet 1 of 2)..............................................................................................................8-55
Schematic Diagram (Sheet 2 of 2)..............................................................................................................8-56
Figure 8-24 A3 Controller/Reference Board and A4 Sampler Board Photos & Data ....................................57
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