HP 3466A Manuals

Manuals and User Guides for HP 3466A. We have 1 HP 3466A manual available for free PDF download: Operating And Service Manual

HP 3466A Operating And Service Manual (108 pages)

Brand: HP | Category: Multimeter | Size: 13.88 MB

Manual Changes
3
Wire Color Code Changes
4
Safety Summary
6
Safety Symbols
7
Table of Contents
8
General Information
11
Description
11
Instrument and Manual Identification
11
Safety Considerations
11
Specifications
12
Options
15
Accessories
15
Installation
16
Power Receptacles
16
Initial Inspection
17
Power Requirements
17
Environmental Requirements
17
Repacking for Shipment
17
Operating Instructions
18
Description of Controls and Connectors
18
AC Operation
19
Battery Operation
19
Recharging the Battery
19
Low Battery Voltage
19
Auto
20
Input Terminals
20
DC Voltage Measurements
20
Improper Switch Combinations
20
AC Voltage Measurements
21
True RMS Voltage Measurements
21
DC Current Measurement
21
AC Current Measurements
22
True RMS Current Measurements
22
Resistance Measurements
22
Ohms Zero
22
Diode Test
23
Handle/Bail
23
Option Decal
23
Information Decal
23
Amps Input Fuse Replacement
24
Multimeter Cleaning
24
Option Decal and Dhms Zero Adjust
24
Performance Tests
25
Required Equipment
25
Test Cards
25
Warm-Up Time
25
DC Voltmeter Accuracy Test
26
Abbreviated DC Voltmeter Accuracy Test
26
Complete DC Voltmeter Accuracy Test
26
AC Voltmeter Accuracy Test
27
Abbreviated AC Voltmeter Accuracy Test
27
Complete AC Voltmeter Accuracy Test
27
True RMS Voltmeter Accuracy Test
28
Abbreviated True RMS Voltmeter Accuracy Test
28
Complete True RMS Voltmeter Accuracy Test
28
DC Ammeter Accuracy Test
29
Abbreviated DC Ammeter Accuracy Test
29
Complete DC Ammeter Accuracy Test
29
AC Ammeter Accuracy Test
30
True RMS Ammeter Accuracy Test
31
Ohmmeter Accuracy Test
32
Abbreviated Ohmmeter Accuracy Test
32
AC Normal Mode Rejection Test
33
Complete Ohmmeter Accuracy Test
33
Ohms Accuracy Test
33
AC Common Mode Rejection Test
34
DC Common Mode Rejection Test
34
Adjustments
40
Adjustment Interval
40
Required Test Equipment
40
Pre-Adjustment Information
41
Adjustment Procedures
41
Instrument Disassembly Instructions
41
Test Points and Adjustment Locations
41
Input Amplifier and Post Amplifier Zero Adjustments
42
19K Ohms, 19 Ohms and 10M Ohms Adjustments
42
19V DC Adjustment
42
19V DC Coarse Adjustment
43
2V DC Zero Offset Adjustment
43
Zero Input DC Adjsutment
44
19V AC 200Hz and 1.9V AC 200Hz Adjustments
44
A and B True RMS Converter Adjustments
44
19V AC 10Khz and 1.9V AC 10Khz Adjustments
44
Power Requirement Modification Instructions
45
100Khz Frequency Response Adjustment
45
1A DC Adjustment
45
Line Voltage Configuration
45
Adjustment Locator
46
Replaceable Parts
47
Ordering Information
47
Non-Listed Parts
47
Parts Changes
47
Proprietary Parts
48
Code List of Manufacturers
48
Mechanical and Miscellaneous Parts
56
Exploded View
57
Option 002 Miscellaneous Parts
58
Backdating
59
Schematic 1,2 and 3 Changes
60
Component Locator for Changes 2,7 and 16
61
Schematic 4 Changes
61
Schematic 2 Changes
62
Component Locator for Change
63
Schematic 2 and 5 Changes
63
Component Locator for Change 17
64
Service
65
Theory of Operation
65
Block Diagram and Simplified Theory
65
Simplified Block Diagram
65
Detailed Theory
66
7V Regulator
66
Battery Charger and Converter
67
5V Reference Supply Simplified Schematic
67
Battery Charger
68
Converter Control Logic
69
Low Battery Indicator
69
Analog Theory of Operation
70
Input Switching
70
DC/AC Voltmeter
70
Function Code
70
DC Gain Configuration
71
AC Gain Configuration
72
Ohms Block Diagram
72
Analog to Digital Converter
73
Ohm Gain
73
Troubleshooting
74
Integrator Output
74
Equipment Required
75
Instrument Disassembly
75
General Troubleshooting Information
75
Failure Isolation
76
Digital Failures
76
Analog Failures
76
Power Supplies Troubleshooting
77
Power Supply Voltages
77
Battery Charger Assembly Troubleshooting
78
Instrument Inoperative with AC Power Connected
78
Instrument Temporarily Turns on and off with AC Power Disconnected
78
Internal Clock Troubleshooting
79
Function and Range Select Troubleshooting
79
Range Select Troubleshooting
79
Digital Troubleshooting
79
3466A Self-Test
80
Digital Circuitry Troubleshooting
80
3466A Self-Test Connection
80
DC Troubleshooting
82
Overload, Floating or Constant Zero Readings in the DC Volts Function
82
A/D Converter and Amplifier Waveforms
82
All Ranges in the DC Volts Functions Are Inaccurate
83
All Ranges in the DC Volts Functions Are Noisy
83
Some Ranges Inoperative in the DC Volts Function
83
Ohms Troubleshooting
84
DC Current Troubleshooting
84
Constant Overload on All Ranges with Input Applied
84
Constant Zero Readings on All Ranges with Input Applied
84
AC Troubleshooting
85
Ohms Circuitry Troubleshooting
85
Ohms Current Source
85
Frequency Response Failure
86
Excessive Offsets in the AC Volts Function
86
Some Ranges Inoperative in the AC Volts Function
86
AC Current Troubleshooting
86
Logic Interface Block Diagram
87
Input Switching Schematic
91
Ohms Current Source and Input Amplifier Schematic
93
Component Locator for Schematic
93
Logic and Display Schematic
97
Power Supply and Changer Schematic
99

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HP 3466A Manuals

HP 3466A Operating And Service Manual (108 pages)

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