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List of Figures
Figure Title Page
2-1. Interconnect Diagram ............................................................................................ 2-4
2-2. Overall Functional Block Diagram........................................................................ 2-5
2-3. Analog Simplified Schematic Diagram................................................................. 2-18
2-5. Ohms Simplified Schematic.................................................................................. 2-23
2-6. AC Buffer Simplified Schematic........................................................................... 2-24
2-7. A/D Converter Simplified Schematic.................................................................... 2-26
2-8. Command Byte Transfer Waveforms.................................................................... 2-31
2-9. Grid Control Signal Timing................................................................................... 2-32
2-10. Grid-Anode Timing Relationships ........................................................................ 2-33
2A-1. Interconnect Diagram (2635A).............................................................................. 2A-4
2A-2. Overall Functional Block Diagram (2635A)......................................................... 2A-5
2A-3. Analog Simplified SchematicDiagram (2635A) ................................................... 2A-21
2A-4. DC Volts 300V Range Simplified Schematic (2635A)......................................... 2A-25
2A-5. Ohms Simplified Schematic (2635A).................................................................... 2A-26
2A-6. AC Buffer Simplified Schematic (2635A)............................................................ 2A-28
2A-7. A/D Converter Simplified Schematic (2635A) ..................................................... 2A-30
2A-8. Command Byte Transfer Waveforms (2635A) ..................................................... 2A-35
2A-9. Grid Control Signal Timing (2635A) .................................................................... 2A-37
2A-10. Grid-Anode Timing Relationships (2635A).......................................................... 2A-37
3-1. Replacing the Line Fuse ........................................................................................ 3-5
3-3. Removing the Handle and Handle Mounting Brackets......................................... 3-8
3-3. Removing the Case................................................................................................ 3-8
3-5. 2635A Assembly Details....................................................................................... 3-10
3-5. 2620A and 2625A Assembly Details .................................................................... 3-10
4-1. Input Module ......................................................................................................... 4-8
4-2. 2T and 4T Connections.......................................................................................... 4-9
4-3. Dedicated Alarms Test .......................................................................................... 4-17
4-4. External Trigger Test............................................................................................. 4-18
4-5. 4-Terminal Connections to Decade Resistance Source......................................... 4-25
4-6. 4-Terminal Connections to the 5700A .................................................................. 4-26
5-1. Test Point Locator, Main PCA (A1)...................................................................... 5-7
5-2. 5-Volt Switching Supply ....................................................................................... 5-9
5-3. Inverter FET Drive Signals.................................................................................... 5-11
5-5. Test Points, A/D Converter PCA (A3, A3U9) ...................................................... 5-16
5-5. Test Points, A/D Converter PCA (A3, A3U9) ...................................................... 5-17