Agilent Model 66332A
System DC Power Supply
Dynamic Measurement DC Source
and Agilent Model 6632B, 6633B, 6634B
WARRANTY
Warranty Information
LIMITATION OF WARRANTY
CERTIFICATION
BEFORE APPLYING POWER
Safety Summary
DO NOT SERVICE OR ADJUST ALONE
SAFETY SYMBOLS
Safety Symbol Definitions
Symbol
Description
Instrument Identification
Printing History
TROUBLESHOOTING
Table of Contents
INTRODUCTION
VERIFICATION AND PERFORMANCE TESTS
DIAGRAMS
REPLACEABLE PARTS LIST
PRINCIPLES OF OPERATION
INDEX
Page
Introduction
Safety Considerations
Organization
Related Documents
Electrostatic Discharge
Revisions
Manual Revisions
Firmware Revisions
Verification and Performance Tests
Introduction
Test Equipment Required
Figure 2-1.Test Setup
Test Setup
Measurement Techniques
2 - Verification and Performance Tests
Performance Tests
Operation Verification Tests
Electronic Load
Current-MonitoringResistor
Constant Voltage CV Tests
CV Setup
Voltage Programming and Readback Accuracy
CV Load Effect
CV Source Effect
CV Noise PARD
Verification and Performance Tests
CC Setup
Transient Recovery Time
Constant Current CC Tests
Current Programming and Readback Accuracy
Low Range Current Readback Accuracy
Current Sink -CCOperation
CC Load and Line Regulation
Verification and Performance Tests
CC Load Effect
CC Source Effect
2 - Verification and Performance Tests
Performance Test Equipment Form
CC Noise PARD
Verification and Performance Tests
2 - Verification and Performance Tests
Performance Test Record Forms
Verification and Performance Tests
2 - Verification and Performance Tests
Introduction
Troubleshooting
Flow Charts
Overall Troubleshooting
3 - Troubleshooting
Test Equipment Required
Figure 3-1Sheet 1. Main Flowchart
Troubleshooting
3 - Troubleshooting
Figure 3-1Sheet 2. Main Flowchart continued
Troubleshooting
Figure 3-1Sheet 3. Main Flowchart continued
3 - Troubleshooting
Figure 3-1Sheet 4. OV at Turn-On
Troubleshooting
Figure 3-1Sheet 5. OV at Turn-Oncontinued
3 - Troubleshooting
Figure 3-1Sheet 6. FS Indicated but Fuse OK
Troubleshooting
Figure 3-1Sheet 7. No Output Voltage
3 - Troubleshooting
Figure 3-1Sheet 8. No Output Voltage continued
Troubleshooting
Figure 3-1Sheet 9 No Output Voltage continued
3 - Troubleshooting
Figure 3-1Sheet 10. No Current Limit
Troubleshooting
Figure 3-1Sheet 11. Unit Does Not OV
3 - Troubleshooting
Figure 3-1Sheet 12. High Output Voltage
Power-on Self-testFailures
Specific Troubleshooting Procedures
Table 3-2. Self-TestError Codes/Messages
Troubleshooting
Bias and Rail Voltages
CV/CC Status Annunciators Troubleshooting
Table 3-3.Bias and Reference Voltages
3 - Troubleshooting
Troubleshooting
J307 Voltage Measurements
Disabling Protection Features
Manual Fan Speed Control
3 - Troubleshooting
Calibration Password
Inhibit Calibration Switch
Post-repairCalibration
Troubleshooting
Upgrade Procedure
ROM Upgrade
Initialization
Identifying the Firmware
List of Required Tools
Disassembly Procedures
Figure 3-2.Component Location
Troubleshooting
A2 Interface Board, Removal and Replacement
Cover, Removal and Replacement
Front Panel Assembly, Removal and Replacement
3 - Troubleshooting
A3 Front Panel Board, Removal and Replacement
S1 Line Switch, Removal and Replacement
T1 Power Transformer, Removal and Replacement
A1 Main Control Board
Line Voltage Wiring
Figure 3-3.Transformer Wiring
3 - Troubleshooting
Table 4-1.Power Supply Interface signals
I/O Interface Signals
Principles of Operation
Introduction
A2 Interface Circuits
A3 Front Panel Circuits
Primary Interface
Secondary Interface
Principles of Operation
Figure 4-1.A2/A3 Block Diagram
Power Circuits
A1 Main Board Circuits
4 - Principles of Operation
Principles of Operation
Figure 4-2.A1 Block Diagram
4 - Principles of Operation
Control Circuits
Principles of Operation
Page
Replaceable Parts List
Table 5-1.Chassis, Electrical
Introduction
Table 5-2.Chassis, Mechanical
5 - Replaceable Parts
Figure 5-1.Mechanical Parts ldentification
Replaceable Parts
5 - Replaceable Parts
Table 5-3.A1 Control Board PC Board Assembly
Replaceable Parts -
5 - Replaceable Parts
Replaceable Parts
5 - Replaceable Parts
Replaceable Parts
5 - Replaceable Parts
Replaceable Parts
5 - Replaceable Parts
Replaceable Parts
5 - Replaceable Parts
Replaceable Parts
Table 5-5.A5 AC input/RFI Board
Table 5-4.Binding Post Option #020
Table 5-6.Relay Option #760
5 - Replaceable Parts
General Schematic Notes
Diagrams
Table 6-1. Model-dependentComponents
Introduction
Table 6-1. Model-dependentComponents continued
6 - Diagrams
Table 6-2.A1 Board Component Locations
Diagrams
6 - Diagrams
Table 6-2continued
Figure 6-1.A1 Board Component Locations
Figure 6-2.A4 and A6 Board Component Locations
Figure 6-3.A1 Board schematic sheet
A1 Board schematic sheet
A1 Board schematic sheet
Figure 6-4.A6 Relay Option Board schematic
Index
