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Contents
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Installation 1-10
Preparation for Use 1-10
Power Requirements 1-10
Bench Operation 1-10
Operating the HP 5071A From External Dc Power 1-10
Preparing the HP 5071A For External Dc Operation 1-11
Replacing the External Dc Input Power Fuse 1-11
Internal Standby Battery Maintenance 1-11
Long-Term Storage 1-11
2Service
Performance Tests 2-2
Service 2-3
Top-Level Diagnostic Tree Organization 2-4
Warmup and Fatal Error Diagnostic Tree 2-5
Advisory Messages 2-6
Assembly/Module Diagnostic Trees 2-8
A9 Diagnostic Tree (A/M Subsection 4) 2-9
Theory of Operation 2-10
Introduction 2-10
Simplified Functional Description 2-10
Functional Block Descriptions 2-11
Instrument Control Block 2-12
Reference Oscillator/RF-Chain Block 2-12
Input/Output 2-13
Power Supply Block 2-14
A1 Motherboard Circuit Description 2-15
A11 Power Steering Logic Assembly 2-16
48V Subpanel Assembly 2-17
B1 Internal-Standby Battery 2-18
Replaceable Parts 2-19
Exchange Assemblies 2-19
Backdating 2-21