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HP 8560A manual

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Service Manual

HP 8560A Spectrum Analyzer

SERIAL NUMBERS

Prefix 3207A and Above

Eiia HEWLETT

PACKARD

HP Part No. 08560-90081

Printed in USA August 1992

Contents

Page Page Certification Warranty Assistance Safety Symbols General Safety Considerations HP 8560A Spectrum Analyzer Documentation Outline Manuals Shipped with Your Instrument Options Contents Page Page Page Page Page Page Page Figures Page Page Tables Page General Information Manual Text Conventions Serial N.umbers Covered by This Manual Instrument Variations Page Page HP 85629B Test and Adjustment Module Service Kit Recommended Test Equipment Electrostatic Discharge Returning Instruments for Service Page Page Sales and Service Offices Page Page Page Page Page Adjustment Procedures Page Page Page Page Page Page Page Using the TAM Page Page 1. High-VoltagePower Supply Adjustment Page 2. Display Adjustment Page Page Page Page Page 3. IF Bandpass Adjustment Page Page Page Page 4. IF Amplitude Adjustments Page Page Page 5. DC Log Amplifier Adjustments Page Page Page 6. Sampling Oscillator Adjustment Page Page Page 7. YTO Adjustment Page Page 8. First LO Distribution Amplifier Adjustment Page 9. Tracking Generator Power Level Adjustments Page Page 10. Frequency Response Adjustment Page Page 11. Calibrator Amplitude Adjustment Page 12. 10 MHz Reference Adjustment (Non-Option003 only) Page 13. Demodulator Adjustment Page Page 14. External Mixer Bias Adjustment Page 15. External Mixer Amplitude Adjustment Page Page 16. Second IF Gain Adjustment Page Page 17. Signal ID Oscillator Adjustment Page Page 18. 600 MHz Amplitude Adjustment Page 19. 10 MHz Reference Adjustment (Option 003) Page Page 20. Tracking Oscillator Adjustment (Option 002) Page Page Assembly Replacement Access to Internal Assemblies Cable Color Code Procedure 1. Analyzer Cover Procedure 2. Al Front Frame/A18 CRT Page Page Page Page Page Page Procedure 3. AlAl Keyboard/Front Panel Keys Procedure 4. AlA RPG Procedure 5. A2, A3, A4, and A5 Assemblies Page Page Page Page Page Procedure 6. A6 Power Supply Assembly Page Page Procedure 7. A6Al High Voltage Assembly Page Page Procedure 8. A7 through Al3 Assemblies Page Page A7 1st LO Distribution Amplifier A8 Low Band Mixer Page Page All YTO Page Procedure 9. Al4 and Al5 Assemblies Page Page Procedure 10. Al7 CRT Driver Procedure 11. Bl Fan Procedure 12. BTl Battery Procedure 13. Rear Frame/Rear Dress Panel Page Page Page Procedure 14. W3 Line Switch Cable Page Page Page Page Page Procedure 15. EEROM (A2U501) Procedure 16. A21 OCXO (Option 003) Replaceable Parts Parts List Format Firmware-DependentPart Numbers Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page c iG Page Page Page Page Page Page Page Page Page Page Page Page Major Assembly and Cable Locations Page Page Page Page Page Page Page Page Page General Troubleshooting Page Page Page Page Page Page Troubleshooting to a Functional Section Page Page Page Page Page Page Error Messages Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Block Diagram Description Page Page Page Page Page Page Page Page Page Page Page Page Page ADC/lnterface Section Page Page Troubleshooting Using the TAM Page Page Keyboard/RPG Problems Page Triggering Problems Page Flatness Control (RF Gain DACs) A3 Assembly’s Video Circuits Page Page Page Page Page Page Page Page Page A3 Assembly’s ADC Circuits Page Page Page A3 Assembly’s Control Circuits Page Page Page IF Section Page Page Page Page Page Page Page Automatic IF Adjustment Page Page Performance Test Failures Page A4 Assembly’s Log Amplifier Circuits Page Page Page Page Page Page Page A5 IF Section Page Page Page Page Page Page Page Page Page Page Page A4 Assembly’s Cal Oscillator Circuit Page Page Page Page Page Page Page Page Page Page Page Controller Section Page Page Digital Signature Analysis (DSA) Display Problems Page Page //I Page Page Page Page Analog Zero-SpanProblems Frequency-CountMarker Problems Frequency Counter State- and Trace-StorageProblems Keyboard Problems Page Synthesizer Section Confirming a Faulty Synthesizer Section Page Page Page Page Troubleshooting Test Setup Page Page Page Page Page Page Page Frequency Span Accuracy Problems Page Page Page Page Page Page Page Unlocked YTO PLL Page Page Page Page Page Page Page Page Unlocked Roller Oscillator PLL Page Page Page Page Page Page Unlocked Offset Lock Loop (Sampling Oscillator) Page Page Unlocked Reference PLL Page Page Sampler and Sampler IF Page Sweep Generator Circuit Page Page Page Page A21 OCXO (Option 003 only) Page Page RF Section Page Page Low Band Problems (50 Hz to 2.9 GHz) Low Band Problems A7 LODA (LO Distribution Amplifier) Page Page Al4 Frequency Control Assembly Al5 RF Assembly Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Display/Power Supply Section Page Page Page Page Blank Display Display Distortion Focus Problems Intensity Problems Page A6 Power Supply Assembly Page Page Page Page Page Page Page Page Page Component-LevelInformation Packets