Table Of Contents - HP 3400A Operating And Service Manual

Table
of
Contents
Model 3400A
TABLE
OF CONTENTS
Section
I
Page
GENERAL
INFORMATION 1-1
1-1.
Introduction
1-1
1-3.
Description and
Purpose
1-1
1-8.
Specifications
1-1
1-10.
Instrument
Identification
1-1
1-12.
Equipment Supplied
1-1
1-14.
Accessory Equipment
Available
... 1-1
Section
Pa
ge
H
INSTALLATION
2-1
2-1.
Introduction
2-1
2-3.
Initial
Inspection
2-1
2-5.
Power
Requirements
2-1
2-8.
Installation
2-1
2-10.
Combining Case(-hp- Models 1051A
or
1052A)
2-1
2-12.
Adapter
Frame
(-hp-
Part No.
5060-0797)
2-1
2-14.
Repackaging for
Shipment
2-1
Section
Page
m
OPERATING
INSTRUCTIONS
3-1
3-1.
Introduction
3-1
3-3.
Controls and Indicators
3-1
3-5.
Turn On Procedure
3-1
Operating Instructions
3-1
Applications
3-1
RMS
Value
of
AC
Signals with
DC
Component
3-1
3-13.
RMS
Current
3-1
3-15.
RMS
AC-to-
DC
Converter
3-1
Section
Pa
ge
IV
THEORY
OF OPERATION
4-1
4-1.
Introduction
4-1
4-3.
General Description
4-1
4-11. Detailed
Description
4-1
3-7.
3-9.
3-11.
4-12.
4-15.
4-19.
4-22.
4-27.
4-37.
4-40.
4-48.
Input
Attenuator
Assembly Al
. . .
4-1
Impedance Converter Assembly
A2.
4-1
Second Attenuator
Assembly A3.
.
4-2
Video Amplifier
Assembly A4
. . .
4-2
Photochopper
Assembly
A5,
Chopper
Amplifier
Assembly A6,
and
Thermocouple Pair
(part of
A4)
4-2
Power Supply
Assembly A7
. .
.
.
4-3
Regulator Operation
4-3
Neon
Lamp
Drive
Oscillator
....
4-3
Section
V
MAINTENANCE
5-1. Introduction
5-3.
Test Equipment
5-5.
Performance Checks
5-7.
Accuracy, Linearity,
and
DC
Out-
put
Check
5-9.
Frequency Response
Check
. . .
.
5-10.
Input
Impedance Check
5-13.
Crest Factor Check
5-14.
Output Noise Check
5-15 Adjustment and Calibration
Procedures
5-17.
Mechanical
Meter Zero
5-19.
Power Supply
Checks
5-21.
Low
Frequency
Calibration
. . .
,
5-25.
High
Frequency Calibration
. .
.
5-29.
Troubleshooting
Procedure
5-34.
Checking
Thermocouples TC401
andTC402
5-37.
Thermocouple Replacement
. . . .
5-39.
Checking Photochopper
Assembly
A5
5-41.
Replacement
of
Neon
Subassembly
-hp- Part No.
1990-0224
.
. . .
5-43. Servicing
Etched
Circuit
Boards
. .
.
Page
5-1
5-1
5-1
5-1
5-1
5-2
5-2
5-3
5-4
5-4
5-4
5-5
5-5
5-6
5-6
5-7
5-14
5-15
5-15
5-16
Section
Page
VI
CIRCUIT
DIAGRAM 6-1/6-2
6-1. Introduction
6-1/6-2
6-3.
Schematic
Diagrams
6-1/6-2
6-6.
Parts Location
Diagrams
6-1/6-2
Section
VII
REPLACEABLE
PARTS.
.
7-1.
Introduction
7-4.
Ordering Information
7-6.
Non- Listed Parts
Page
7-1
7-1
7-1
7-1
Appendix
A
CODE
LIST
OF
MANUFACTURERS
Appendix
B
SALES
AND SERVICE OFFICES
Appendix
C
MANUAL
BACKDATING CHANGES
LIST
OF TABLES
Number
Page
1-1.
Model 3400A
Specifications
1-0
1-2.
Equipment
Supplied
1-1
1-3.
Accessory Equipment
Available
1-1
5-1.
Required Test Equipment
5-0
5-2.
Accuracy,
Linearity,
and
DC
Output
Check Data
5-1
Number
Page
5-3.
Frequency Response Check
5-2
5-4.
Power
Supply
Checks
5-5
5-5.
Front Panel
Symptoms
5-7
5-6.
Troubleshooting
Procedure 5-9
5-7.
Factory Selected
Components
5-16
7-1.
Replaceable Parts
7 - 3