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7-1
Chapter 7
IEEE-488 Option -05
Title Page
7-1. Introduction .......................................................................................... 7-3
7-2. Theory of Operation............................................................................. 7-3
7-3. Functional Block Description .......................................................... 7-3
7-4. IEEE-488 PCA Detailed Circuit Description (2620A Only) ............... 7-3
7-5. Main PCA Connector....................................................................... 7-4
7-6. IEEE-488 Controller ........................................................................ 7-4
7-7. IEEE-488 Transceivers/Connector .................................................. 7-5
7-8. General Maintenance............................................................................ 7-5
7-9. Removing the IEEE-488 Option ...................................................... 7-5
7-10. Installing the IEEE-488 Option........................................................ 7-7
7-11. Performance Testing............................................................................. 7-7
7-12. Troubleshooting ................................................................................... 7-8
7-13. Power-Up Problems ......................................................................... 7-8
7-14. Communication Problems................................................................ 7-8
7-15. Failure to Select IEEE-488 Option.............................................. 7-8
7-16. Failure to Handshake on IEEE-488 Bus...................................... 7-8
7-17. Failure to Enter Remote............................................................... 7-8
7-18. Failure to Receive Multiple Character Commands ..................... 7-9
7-19. Failure to Transmit Query Responses ......................................... 7-9
7-20. Failure to Generate an End or Identify (EOI).............................. 7-9
7-21. Failure to Generate a Service Request (SRQ) ............................. 7-9
7-22. List of Replaceable Parts...................................................................... 7-9
7-23. Schematic Diagram .............................................................................. 7-9