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6634B
Agilent Technologies 6634B Service Manual
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Replaceable Parts - 5
57
Figure 5-1. M
echan
ical Parts ldentif
ication
56
58
Table of Contents
Default Chapter
2
Warranty Information
2
Safety Summary
3
Notice
5
Printing History
5
Instrument Identification
5
Table of Contents
6
Introduction
9
Organization
9
Safety Considerations
9
Related Documents
9
Revisions
10
Manual Revisions
10
Firmware Revisions
10
Electrostatic Discharge
10
Verification and Performance Tests
11
Introduction
11
Test Equipment Required
11
Measurement Techniques
12
Setup for most Tests
12
Electronic Load
13
Current-Monitoring Resistor
13
Operation Verification Tests
13
Performance Tests
13
Programming
13
Constant Voltage (CV) Tests
14
CV Setup
14
Voltage Programming and Readback Accuracy
14
CV Load Effect
14
CV Source Effect
15
CV Noise (PARD)
15
Transient Recovery Time
16
Constant Current (CC) Tests
16
CC Setup
16
Current Programming and Readback Accuracy
16
Current Sink (CC-) Operation
17
CC Load and Line Regulation
17
CC Load Effect
18
CC Source Effect
18
CC Noise (PARD)
19
Performance Test Equipment Form
19
Performance Test Record Form
20
Troubleshooting
23
Introduction
23
Test Equipment Required
24
Overall Troubleshooting
24
Flow Charts
24
Specific Troubleshooting Procedures
37
Power-On Self-Test Failures
37
CV/CC Status Annunciators Troubleshooting
38
J307 Voltage Measurements
39
Manual Fan Speed Control
40
Disabling Protection Features
40
Post-Repair Calibration
41
Inhibit Calibration Switch
41
Calibration Password
41
Initialization
42
ROM Upgrade
42
Identifying the Firmware
42
Upgrade Procedure
42
Disassembly Procedures
43
List of Required Tools
43
Cover, Removal and Replacement
44
A2 Interface Board, Removal and Replacement
44
Front Panel Assembly, Removal and Replacement
44
A3 Front Panel Board, Removal and Replacement
45
A1 Main Control Board
45
T1 Power Transformer, Removal and Replacement
45
Line Voltage Wiring
46
Principles of Operation
47
I/O Interface Signals
47
Introduction
47
A2 Interface Circuits
48
Primary Interface
48
Secondary Interface
48
A3 Front Panel Circuits
48
A1 Main Board Circuits
50
Power Circuits
50
Control Circuits
52
Replaceable Parts List
55
Introduction
55
Diagrams
71
Introduction
71
General Schematic Notes
71
Index
81
Bias and Reference Supplies
82
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Agilent Technologies 6634B Specifications
General
Brand
Agilent Technologies
Model
6634B
Category
Power Supply
Language
English
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