Agilent Technologies 5071A manual Backdating

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Assembly-Level Service

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Contents 7HOHFRPPXQLFDWLRQV2SWLRQV Page Telecommunications Options Supplemental Manual Before Cleaning Manual Updating Changes 05071-90042, December Contents Service Supplemental Characteristics Available Accessories and OptionsContents How to Use This Manual Instrument IdentificationInstruments Covered by This manual How to Order ManualsManual Organization Operating and Programming Introducing the 5071A 5071A Major FeaturesIntroduction Operating The 5071A5071A at a Glance ConnectorsGetting Started Rear-Panel Connections5071A Rear Panel Connections Fuse Performing Basic Tasks Powering Down the 5071AStarting The 5071A Synchronizing to an External 1 PPS ReferenceDisabling the Internal -Standby Battery Using the 5071AMonitoring Status Case of Difficulty Front-Panel Indicators and MessagesRear-Panel Output Connectors Restarting the 5071AScpi Subsystem Commands 5071A Command References5071A Command Summary Scpi CommandsSpecifications Operating the 5071A From External Dc Power InstallationPower Requirements Preparation for UseLong-Term Storage Internal Standby Battery MaintenanceReplacing the External Dc Input Power Fuse Preparing the RP 5071-A For External-Dc OperationAssembly-Level Service Performance Tests Rear-Panel Output Signal Checks5071A Operational Verification Assembly Identification and Location ServiceOption Top-Level Diagnostic Tree Diagnostic Section Top-Level Diagnostic Tree OrganizationFirst Power On Warm-up and Fatal Error Diagnostic Tree Power-Supply Diagnostic Tree Advisory Messages SubsectionNo Operation From Internal Standby Battery Ac-Line Fuse Fault Isolation r/o LF1/T14.0.0 Ext. Dc Input Fuse Fault Internal-Battery Charger Test4 A8 Front/Rear-Panel Sync Input Test Assembly/Module Diagnostic Trees Diagnostic SectionA8 Diagnostic Tree A/M Subsection 3 1 PPS Outputs Test 5 A8-to-Chassis Interconnect Test6.0 A9 J4 80-MHz Signal Test A9 Diagnostic Tree A/M Subsection 5.0 A9 Mon Signal Test4.1 A9-to-Chassis TCO Option signal Interconnect Test Simplified Functional Description Theory of OperationIntroduction A1 Motherboard Circuit DescriptionFunctional Block Descriptions Power Supply BlockInput/Output Block Operating Firmware Warning Mode Instrument Control BlockReference Oscillator/RF-Chain Block Interconnections Power Supply Block Overvoltage Protection Circuit A1 Motherboard Circuit DescriptionExternal Dc Input Circuit A11 Power Steering Logic Assembly A1 Power Supply/Distribution Schematic Diagram48V Subpanel Assembly Input Chassis GroundB1 Internal-Standby Battery A1 Power-Supply Block DiagramReplaceable Parts Exchange AssembliesReplaceable Parts Backdating Backdating Specifications Time Standard Supplemental CharacteristicsInternal Standby Battery Nominal Values EnvironmentalWeight Accessories Furnished Dc input connectorAvailable Accessories and Options OptionsService and Support From front matter Declaration of Conformity Page Page Manual Part Number