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