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Errata
Title & Document Type: 8562E Spectrum Analyzer Service Manual
Manual Part Number: 08562-90216
Revision Date: 1997-12-01
HP References in this Manual
This manual may contain references to HP or Hewlett-Packard. Please note that Hewlett-
Packard's former test and measurement, semiconductor products and chemical analysis
businesses are now part of Agilent Technologies. We have made no changes to this
manual copy. The HP XXXX referred to in this document is now the Agil
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Fia HP Part No. Supersedes Printed in USA December 1997 08582-90209 08582-90218 PACKARD HEWLETT Analyzer Spectrum 8562E HP Guide Service
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Notice. The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with regard to this material, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material. @ Copyright Hewlett-Packard Company 1996 All R
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Hewlett-Packard Company certifies that this product met its published specifications at the time of shipment from the factory. Hewlett-Packard further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology, to the extent allowed by the Institute’s calibration facility, and to the calibration facilities of other International Standards Organization members. The HP 8560 E-Series Spectrum Analyzer Calibration Guide contains re
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Product maintenance agreements and other customer assistance agreements are available for Hewlett-Packard products. For any assistance, contact your nearest Hewlett-Packard Sales and Service Ofice. Safety Notes The following safety notes are used throughout this manual. Familiarize yourself with each of the notes and its meaning before operating this instrument. Caution denotes a hazard. It calls attention to a procedure that, if not correctly performed or adhered to, could result in damage to o
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General Safety Considerations This is a Safety Class I product (provided with a protective earthing ground incorporated in the power cord). The mains plug shall only be inserted in a socket outlet provided with a protective earth contact. Any interruption of the protective conductor, inside or outside the instrument, is likely to make the instrument dangerous. Intentional interruption is prohibited. No operator serviceable parts inside. Refer servicing to qualified personnel. To prevent electric
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How to Use This Guide can be used to identify the location of a problem to a Chapter 7, “General Troubleshooting,” board or functional area in the spectrum analyzer. Chapters 8 through 13, which cover the functional areas, can then be used to help you localize the problem further. Once the faulty area is identified, the adjustments and parts information located in chapters 1 through 6 is available to help you fix the problem. This represents a key physically located on the instrument. a ke
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1. General Information l-l Serial Numbers and Repair Information ................. Instrument Variations ......................... l-2 ................ l-3 HP 85629B Test and Adjustment Module l-4 Service Kit .............................. ........................ l-4 Electrostatic Discharge ................. l-5 Reducing Potential for ESD Damage ........................ l-6 Static-Safe Accessories l-6 Returning Instruments for Service .................... l-6 Service Tag .......................
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........... 2-60 16. YIG-Tuned Filter/Mixer (RYTHM) Adjustment ..................... 2-63 17. 16 MHz PLL Adjustment .................. 2-66 18. 600 MHz Reference Adjustment 3. Frequency Response Adjustment Software 3-2 Getting Started ............................ 3-2 Spectrum Analyzers ......................... 3-2 Controller (Computer) ........................ 3-3 Test Equipment ........................... 3-3 Warmup Time ........................... Test Equipment Warmup ..................... 3
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Cal Factor outside of 0 to 150% range entered ............ 3-16 CONDITIONS file from system file location is not compatible! WARNING 3-16 Conditions Menu DUT ID disagrees with responding DUT ID ..... 3-16 Data not accepted, check entry format ................ 3-16 DUT doesn’t respond at address listed ................ 3-16 File not found ..................... 3-17 Insufficient equip. to do test : ...... 3-17 No HP-IB address listed for DUT ..................
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A9 Input Attenuator ........................ 4-32 A10 YIG-Tuned Filter/Mixer (RYTHM) ................ 4-34 ............................. 4-35 Al3 Second Converter ........................ 4-36 Procedure 9. Al4 and Al5 Assemblies ................ 4-37 Procedure 10. Al6 Fast ADC and Al7 CRT Driver ........... 4-40 Procedure 11. Fan ....................... 4-42 Procedure 12. Battery ..................... 4-43 Procedure 13. Rear Frame/Rear Dress Panel ............. 4-44 Procedure 14. W3 Line Switc
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RF Low Band Check ....................... 7-15 Manual Probe Troubleshooting .................... 7-15 RF Path Fault Isolation ....................... 7-16 Calibration Oscillator Troubleshooting Mode .............. 7-16 Error Messages ............................ 7-17 Viewing Multiple Messages ...................... 7-17 Error Message Elimination ...................... 7-18 System Analyzer Programming Errors (100 to 150) ............ 7-18 ADC Errors (200 to 299) ....................... 7-19 LO an
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Offset Lock Loop (part of A15) ................... 7-47 Fractional N PLL (part of A14) ................... 7-47 7-48 IF Section ............................. A4 Log Amplifier/Cal Oscillator Assembly .............. 7-48 A5 IF Assembly ......................... 7-49 ....................... 7-49 ADC/Interface Section ADC .............................. 7-49 ............. 7-49 Main ADC (part of A3 interface assembly) Fast ADC ........................... 7-49 Log Expand/Video Functions ...............
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.......................... 8-32 B-Bit Flash ADC 8-33 Peak/Pit Detection ......................... ....................... 8-33 32 K-Byte Static RAM .......... 8-34 Al6 Assembly Fast ADC Control Circuits (Option ................. 8-34 CPU Interface and Control Registers 8-36 .......................... Reference Clock .................. 8-37 Clock and Sample Rate Generator 8-37 Trigger .............................. 8-38 ..................... 16-Bit Post-Trigger Counter 8-38 C Address Counter ...
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Step Gains ............................. 9-31 Cal Oscillator (P/O A4 Assembly) ................... 9-32 Cal Oscillator Unlock at Beginning of IF Adjust ............ 9-33 Inadequate CAL OSC AMPTD Range ................. 9-33 300 Hz to 3 Resolution Bandwidth Out of Specification ....... 9-34 Low-Pass Filter ........................... 9-38 Sweep Generator .......................... 9-38 AM/FM Demodulation, Audio Amplifier, and Speaker .......... 9-38 10. Controller Section Troubleshooting Using t
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YTO Main Coil Span Problems (LO Spans >20 MHz) .......... 11-38 ..... YTO FM Coil Span Problems (LO Spans 2.01 MHz to 20 MHz) 11-38 12 MHz) ............ Fractional N Span Problems (LO Spans 1 l-39 First LO Span Problems (All Spans) ................. 11-40 First LO Span Problems (Multiband Sweeps) .............. 11-41 Phase Noise Problems ......................... 11-43 Phase Noise in Locked versus Unlocked Spans ............. 1 l-43 Reference versus Reference PLL Phase Noise .............. 11-43
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........................ 13-15 Low Voltage Supplies .................... 13-15 Buck Regulator Control Loop ........................ 13-15 High Voltage Supplies ...................... 13-16 CRT Supply Dropping Out 13-17 ....................... Buck Regulator Control 13-17 ...................... DC-DC Converter Control ............................. 13-18 Power Up A. Component-Level Information Packets Index Contents-10
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Figures ................. l-5 l-l. Example of a Static-Safe Workstation ..... l-8 l-2. Spectrum Analyzer Shipping Container and Cushioning Materials ............. 2-13 2-l. High Voltage Power Supply Adjustment Setup 2-15 2-2. Display Adjustment Setup ...................... 2-17 2-3. CRT Adjust Pattern ........................ ................... 2-19 2-4. A2 Display Adjustment Locations 2-21 2-5. IF Adjustment Setup .................... 2-22 .................... 2-6. TAM Connector Pin Locations
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.......... 4-26 4-13. Al6 Fast ADC and Al7 CRT Driver Mounting Screws 4-29 4-14. .................... HP 85623 Assembly Locations ................ 4-15. A9 Mounting Screw at Right Side Frame 4-33 4-34 4-16. A10 Mounting Screws ........................ .......... 4-35 4-17. HP 85623 All Mounting Screws at Right Side Frame 4-37 4-18. ................... Al4 and Al5 Assembly Removal 4-39 4-19. .................... Al4 and Al5 Assembly Cables 4-40 4-20. .................... Al6 and Al7 Mounting Scre
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9-11. Region B Amplitude Variation .................... 9-28 9-12. Region B Amplitude Offset ...................... 9-28 9-13. Faulty Crystal Short ........................ 9-29 9-14. Faulty LC Pole ........................... 9-30 9-15. Faulty Crystal Symmetry ...................... 9-31 9-16. Output Waveform, 10 Resolution Bandwidth ............ 9-35 9-17. Output Waveform, 3 Resolution Bandwidth ............ 9-36 9-18. Output Waveform, 1 Resolution Bandwidth ............ 9-36 9-19. Output W
