Table Of Contents - HP 3400A Operating And Service Manual

Table of Contents

Manual Changes3
Table Of Contents6
List Of Illustrations7
Specifications8
Product View8
Description And Purpose9
Instrument And Manual Identification9
Equipment Supplied9
Accessory Equipment Available9
Installation10
Initial Inspection10
Power Requirements10
Repacking For Shipment10
Controls And Indicators11
Operating Insructions12
Turn On Procedure12
Applications12
Rms Current/Rms Ac-To-Dc Converter12
Block Diagram13
Theory Of Operation14
Input Attenuator Assembly14
Impedance Converter Assembly14
Second Attenuator Assembly15
Video Amplifier Assembly15
Photochopper Assembly, Chopper Amplifier Assembly, Thermocouple Pair15
Power Supply Assembly16
Regulator Operation16
Neon Lamp Drive Oscillator16
Required Test Equipment17
Maintenance18
Performance Checks18
Accuracy, Linearity And Dc Output Check18
Frequency Response Check19
Input Impedance Check19
Resistance Check19
Capacitance Check20
Crest Factor Check20
Test Setup20
Adjustment And Calibration Procedures21
Output Noise Check21
Mechanical Meter Zero21
Power Supply Checks22
Low Frequency Calibration22
1/10 Scale Adjustment22
1 Volt Adjustment22
Troubleshooting Procedures23
High Frequency Calibration23
Input Attenuator Adjustment23
Second Attenuator Adjustment23
Checking Thermocouples24
Front Panel Symptoms Table24
Rms24
Troubleshooting Tree25
Input To Demodulator26
Output Of Demodulator27
Base Of (Feedback Loop Open)27
Neon Drive Voltage28
Collector Of Q60229
Base Of Q60429
Base Of Q60130
Thermocouple Replacement31
Checking Photochopper Assembly A532
Replacement Of Neon Subassembly32
Servicing Etched Circuit Boards33
Factory Selected Components33
Performance Check Test Card34
Circuit Diagrams35
General Schematic Notes36
Input Attenuator Al, Impedance38
Converter A2, And Second Attenuator38
A3 Schematic And Parts Location38
Diagram38
Parts Location Diagram42
Replaceable Parts45
Modular Cabinet Parts View And List46
Manual Backdating Changes58