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We have made no changes to this manual copy. The HP XXXX referred to in this document is now the Agilent XXXX. For example, model number HP8648A is now model number Agilent 8648A. About this Manual We’ve added this manual to the Agilent website in an effort to help you support your product. This manual provides the best information we could find. It may be incomplete or contain dated information, and the scan quality may not be ideal. If we find a better copy in the future, we will add it to the Agilent website. Support for Your Product Agilent no longer sells or supports this product. You will find any other available product information on the Agilent Test & Measurement website: Search for the model number of this product, and the resulting product page will guide you to any available information. Our service centers may be able to perform calibration if no repair parts are needed, but no other support from Agilent is available. Service Guide Publication number 16500-97011 First edition, August 1994 For Safety information, Warranties, and Regulatory information, see the pages at the end of the book. a Copyright Hewlett-Packard Company 1987 – 1994 All Rights Reserved. HP 16500B/16501A Logic Analysis System HP 16500B/16501A Logic Analysis System The HP 16500B is the mainframe of the Logic Analysis System, and the HP 16501A is the expansion frame. The HP 16500B/16501A is of modular structure using plug-in cards with a wide range of data acquisition and stimulus capabilities. Features Some of the main features of the HP 16500B/16501A are as follows: • Modular mainframe with five card slots • Expansion frame, which expands the total system card slots to ten • Touchscreen user interface • 86 Mbyte hard disk drive • High-density 3.5-inch flexible disk drive • Color monitor • Intermodule triggering and time correlation of acquired data • HP-IB, RS-232C or optional LAN interfaces for hardcopy output to a printer or controller interface Service Strategy The service strategy for this instrument is the replacement of defective assemblies. This service guide contains information for finding a defective assembly by testing and servicing the HP 16500B/16501A. This instrument can be returned to Hewlett-Packard for all service work, including troubleshooting. Contact your nearest Hewlett-Packard Sales Office for more details. The HP 16500B Logic Analysis System In This Book This book is the service guide for the HP 16500B/16501A Logic Analysis System and is divided into eight chapters. Chapter 1 contains information about the instrument and includes accessories for the instrument, specifications and characteristics of the instrument, and a list of the equipment required for servicing the instrument. Chapter 2 tells how to prepare the instrument for use. Chapter 3 gives instructions on how to test the performance of the instrument. Chapter 4 contains calibration instructions for the instrument. Chapter 5 contains self-tests and flowcharts for troubleshooting the instrument. Chapter 6 tells how to replace the instrument and assemblies of the instrument, and how to return them to Hewlett-Packard. Chapter 7 lists replaceable parts, shows an exploded view, and gives ordering information. Chapter 8 explains how the instrument works and what the self-tests are checking. This book also contains information about the HP 16500L interface module when using an expansion frame or an external monitor. For information about using the interface module with a local area network, refer to the manuals for the HP 16500L. Contents 1 General Information Accessories 1–2 Specifications 1–3 Characteristics 1–3 Recommended Test Equipment 1–6 2 Preparing for Use To inspect the logic analysis system 2–2 To apply power 2–3 To operate the user interface 2–3 To set the line voltage 2–4 To degauss the display 2–5 To clean the logic analysis system 2–5 To test the logic analysis system 2–5 To install modules 2–6 To install the HP 16500L interface module 2–7 To connect the HP 16501A Expansion Frame 2–9 To connect an external monitor 2–10 3 Testing Performance To perform the power-up tests 3–3 To perform the self-tests 3–4 4 Calibrating and Adjusting To prepare the instrument 4–3 To access the test patterns 4–4 To adjust geometry 4–5 To adjust focus, landing, and convergence 4–6 To adjust white balance 4–13 5 Troubleshooting To use the flowcharts 5–2 To check the power-up self-tests 5–18 To run the self-tests 5–19 To check the video signals 5–22 To check the power supply LEDs 5–23 To check the power supply voltages 5–24 To test the flexible disk drive voltages 5–25 To test the hard disk drive voltages 5–27 To test the expansion frame interface 5–29 Contents 6 Replacing Assemblies To remove and replace the Optional modules or filler panels 6–3 Covers 6–4 Flexible disk drive 6–5 Power supply 6–6 Rear fan 6–8 Side fan 6–9 HP 16500L interface module 6–10 Hard disk drive 6–12 Microprocessor board (CPU) 6–13 SIMM memory 6–14 Expansion interfac...