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HP 85660B manual 75

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Figure 1. A6 RF Module Replacement

2 A6

Contents

Troubleshooting and Repair Manual Page Certification Warranty Assistance Safety Symbols General Safety Considerations Contents General Information Page Page Page Page Page Page Page Page Page Page -o-fr Page Page Page Page Page Page km Page Overall Troubleshooting Page Page Special Messages Page Diagnostic Functions Page Error Correction Routine Page Sweep System Block Diagram Description Sweep System Troubleshooting Page Page Page Page Page Page Page Analog Troubleshooting Page Page Troubleshooting Information Start Frequency Tuning Equations and Phase Lock Troubleshooting Page Page Page Page Page Page Page Page Page Page 5.1.4MHZ GHZ al &yo 300MHZ ‘FEE Digital Troubleshooting Page Page A5 Front Panel, Circuit Description Page Page Page Page Page Page Page Page Page iI*T s2, I; ) PI -1 DS4 Page A6 RF Module Replacement Page A6Al Coaxial Switch and A6A17 300 MHz BPF Replacement A6A2 RF Attenuator Replacement Removal Page Page Page A6A4 Second Converter Replacement A6A6 First Converter Replacement A6A15 3.6 GHz BPF, A6A16 LPF, and A6A18 LPF Replacement Page Page Page Page Page Page Page Page Page Page Page Page Page A6A3 Last Converter, Circuit Description Page Page A6A3 Last Converter Replacement Page Page Page Page Page Page Page Page Page Page Page A6A7 YIG-TunedMixer (YTX) Current Driver, Circuit Description Page A6A8 YIG-TunedMixer (YTX) A6A5 Amplifier/Coupler/Load Unit (ACLU), Circuit Description A6A5 Amplifier/Coupler/Load Unit (ACLU) Replacement Page A6A7 YTX Current Driver Replacement A6A8 YTX Replacement Page Page 00 @ @ @ @ Page Page Page Page Page Page A6A9 Phase Lock, Circuit Description Page Page Page Page Page Page Page Page Page Page Page Page =I+] :al,,r;dii~~& Page Page Page A6AlO Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page A6All Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page A6A12 YIG-TunedMixer (YTX) Driver, Circuit Description Page Page Page Page at] Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page A7 M/N Reference, Troubleshooting A7 M/N Reference Replacement Page Page Page Page A7Al Page A7Al Reference Phase Detector, Troubleshooting Page Page Page Page Page Page Page Page Page Page Page Page A7A2 100 MHz Voltage-ControlledCrystal Oscillator (VCXO), Circuit Description A7A2 100 MHz VCXO, Troubleshooting Page Page Page Page Page Page Page A7A3 M/N Phase Detector, Circuit Description A7A3 M/N Phase Detector, Troubleshooting Page Page Page Page Page Page Page Page Page Page A7A4 M/N Output, Circuit Description A7A4 M/N Output, Troubleshooting Page Page Page Page Page Page Page Page Page Page Page Page at] Page Page Page Page Page c5F Page Page Page Page Page Page Page Page Page Page A8 Rectifier, Circuit Description Page Page Page Page Page Page Page Page Page Page Page Page AIOAI Page Page Page Page Page zul Page AlOA2 Page Page Page Page Page Page AlOA3 Page Page Page Page Page AlOA4 Page Page Page Page Page Page Page AlOA5 Page Page Page Page Page Page AIOAG Page Page Page Page Page Page Page Page Page Page Page Page Page )onnnnocscocooon