xvi Agilent Technologies E4416A/E4417A Power Meters Service Guide
Contents
Procedure 71
4 Theory of Operation
Introduction 74
A1 Power Supply 75
A2 Processor Assembly 76
A3 Front Panel Assembly 79
A4 Comms Assembly 80
A5 Daughter Assembly 81
A6 Measurement Assembly 82
Average Path Operation 82
Normal Path 83
Ancillary Functions 85
Functional Block Diagram 86
5 Replaceable Parts
Introduction 90
Assembly Part Numbers 91
Front Panel Connector Repair 93
Firmware Upgrades 94
Assembly and Disassembly Guidelines 95
Removing the Power Meter Cover 95
Removing the A1 Power Supply Assembly 96
Removing the A2 Processor Assembly 97
Removing the A4 Comms Assembly 99
Removing the A5 Daughter or A6 Measurement Assemblies 101
Removing the A7 Fan Assembly 102
Removing the Power Meter RAM Battery (BT1) 103
Removing the A3 Front Panel Assembly 105
Replacing the Front Panel Power Sensor Cable Assemblies 106
Replacing the Front Panel Power Reference Cable Assembly 108
Replacing the Rear Panel Power Sensor Cable Assemblies (Options 002 and 003) 109
Replacing the Rear Panel Power Reference Cable Assembly (Option 003) 111
Replacing the Rear Panel Recorder Output(s) Cable Assembly 112
Replacing The Chassis Assembly 113
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