Agilent Technologies 08495-90025 service manual Service, Troubleshooting, Repair

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Service

Service

Troubleshooting

Troubleshooting consists of performing the “Operator’s Check” on page 12. If the instrument does not perform within limits, return the instrument to Agilent Technologies.

Repair

The only recommended field repair is replacing the outer connector shell for the Option 001 and 003, or replacing the center contact in the 7 mm connector. For any other repair, return the entire instrument to Agilent Technologies.

Replacing the 7 mm The replacement procedure for the 7 mm connector center contact is covered Connector Center in Figure 6 on page 18. The disassembly and assembly instructions for the

Conductor Contact 7 mm connector are covered in Figure 5.

Figure 5 7 mm Connector

Making the Connection 1. On one connector, retract the coupling sleeve by turning the coupling nut counterclockwise until the sleeve and nut disengage.

2.On the other connector, fully extend the coupling sleeve by turning the coupling nut clockwise. To engage coupling sleeve and coupling nut when the sleeve is fully retracted, press back lightly on the nut while turning it clockwise.

3.Push the connectors firmly together, and thread the coupling nut of the connector with retracted sleeve over the extended sleeve.

168494/95/96G/H Operating And Service Manual

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Contents Agilent Technologies 8494/95/96G/H Attenuators Restricted Rights Legend What You’ll Find in This Manual… Warranty Certification Documentation WarrantyService and Support Safety and Regulatory InformationSafety Earth Ground Before Applying Power Instrument MarkingsInstruments Covered by SpecificationOverview ManualTypical Four Section Attenuator Schematic Diagram 8494G/H Attenuator Sections 8495G/H Attenuator Sections8496G/H Attenuator Switching Order 8496G/H Attenuator SectionsOption Connector Description Instrument OptionsFrequency Range Attenuation SpecificationsAttenuation Accuracy Maximum Residual Attenuation RF Power HandlingMaximum SWR CapabilityAtten Solenoid Cable ConnectorSection CardInstrument Dimensions Weight Depth x width x height Physical CharacteristicsCharacteristic Operating ValueInstallation Initial Inspection Mating ConnectorsInstallation Instructions Operator’s Check Operating InstructionsDescription Meter Indication dB Minimum SWR Meter RangeMaximum Adjustments Performance TestsReplaceable Parts Description Part NumberTroubleshooting ServiceRepair To disconnect To care for the deviceReplacing Amphenol 7 mm Center Contact Dimensions Replacing Connector Outer Shell