Introduction
7
1
Introduction
Scope
Organization
This manual contains information for troubleshooting and repairing to the component level the following 2-kilowatt power
supplies.
•
Agilent Series 657xA manually programmable (bench), and
•
Agilent Series 667xA GPIB programmable (system) supplies.
The remaining chapters of this manual are organized as follows:
Chapter
Description
Chapter 2
Verification procedures to determine the performance level of the supply either before or after repair.
Chapter 3
Troubleshooting procedures for isolating a problem, procedures for replacing the defective component
and, if required, post-repair calibration and EEPROM initialization procedures.
Chapter 4
Principles of power supply operation on a block-diagram level.
Chapter 5
Replaceable parts, including parts ordering information.
Chapter 6
Diagrams, including schematics, component location drawings, and troubleshooting test points.
Appendix A
Backdating information for power supplies with serial numbers below those listed in the title page of
this manual.
Related Documents
Change Sheet
There may or may not be a Manual Change sheet included with this manual (see Manual Revisions). If one is included, be
sure to examine it for changes to this manual.
Operating Manual
Each power supply is shipped with an operating manual (see Replaceable Parts, Chapter 5 for part numbers) that covers the
following topics:
•
Options, accessories, specifications, supplementary characteristics, output characteristic curve, typical output
impedance curves.
•
Connecting the power cord, load, and remote sensing.
•
Connecting power supplies in series or autoparallel.
•
Connecting the remote controller and setting the GPIB address.
•
Configuring the digital port for remote inhibit, relay link, or digital I/O operation.
•
Connecting the analog port for external voltage programming control.
•
Turn-on tests, including selftest errors and runtime errors.
•
Front panel operation.
•
SCPI programming, an introduction to syntax, language dictionary, and status register operation.
•
Compatibility-language programming for operation with Agilent Series 603xA power supplies.
•
Replacement of line fuse and conversion of line voltage.
•
Calibration procedure (front panel and remote).
Содержание 6571A
Страница 10: ......
Страница 33: ...Troubleshooting 33 Figure 3 1 Overall Troubleshooting Sheet 1 of 4...
Страница 34: ...34 Troubleshooting Figure 3 1 Overall Troubleshooting Sheet 2 of 4...
Страница 35: ...Troubleshooting 35 Figure 3 1 Overall Troubleshooting Sheet 3 of 4...
Страница 36: ...36 Troubleshooting Figure 3 1 Overall Troubleshooting Sheet 4 of 4...
Страница 37: ...Troubleshooting 37 Figure 3 2 No Display Troubleshooting...
Страница 38: ...38 Troubleshooting Figure 3 3 OV Will Not Fire Troubleshooting...
Страница 39: ...Troubleshooting 39 Figure 3 4 OV At Turn On Troubleshooting Sheet 1 of 2...
Страница 40: ...40 Troubleshooting Figure 3 4 OV At Turn On Troubleshooting Sheet 2 of 2...
Страница 41: ...Troubleshooting 41 Figure 3 5 Output Held Low Troubleshooting Sheet 1 of 2...
Страница 42: ...42 Troubleshooting Figure 3 5 Output Held Low Troubleshooting Sheet 2 of 2...
Страница 43: ...Troubleshooting 43 Figure 3 6 Output Held High Troubleshooting...
Страница 44: ...44 Troubleshooting Figure 3 7 DAC Circuits Troubleshooting...
Страница 45: ...Troubleshooting 45 Figure 3 8 DAC Test Waveforms...
Страница 46: ...46 Troubleshooting Figure 3 9 CV CC DAC and Amplifier Circuit Troubleshooting...
Страница 47: ...Troubleshooting 47 Figure 3 10 Serial Down Troubleshooting Sheet 1 of 2...
Страница 48: ...48 Troubleshooting Figure 3 10 Serial Down Troubleshooting Sheet 2 of 2...
Страница 49: ...Troubleshooting 49 Figure 3 11 Isolator Board Troubleshooting...
Страница 50: ...50 Troubleshooting Figure 3 12 Secondary Interface Down Sheet 1 of 2...
Страница 51: ...Troubleshooting 51 Figure 3 12 Secondary Interface Down Sheet 2 of 2...
Страница 52: ...52 Troubleshooting Figure 3 13 Slow Downprogramming Troubleshooting...
Страница 55: ...Troubleshooting 55 Figure 3 14 A3 FET Board Test Waveforms...
Страница 59: ...Troubleshooting 59 Figure 3 17 Signature Analysis Connections for Model 657xA Only...
Страница 60: ...60 Troubleshooting Figure 3 17 Signature Analysis Connections for Model 667xA Only...
Страница 75: ...Troubleshooting 75 Figure 3 20 Component Locations Top Cover and RFI Shield Removed...
Страница 76: ......
Страница 83: ...Principles Of Operation 83 Figure 4 1 Agilent Series 665xA 667xA Power Supply Block Diagram...
Страница 84: ......
Страница 124: ...124 Diagrams Figure 6 1 Test Point Waveforms for Table 6 3...
Страница 125: ...Diagrams 125 Figure 6 2 Circuit Board Cabling Diagram...
Страница 126: ...126 Diagrams Figure 6 3 A1 Front Panel Board Component Location Diagram...
Страница 127: ...Figure 6 4 A1 Front Panel Board Schematic Diagram...
Страница 128: ...Figure 6 5 A2 GPIB Board Assembly Diagram 667xA only...
Страница 129: ...2 3 4 1 6 5 Figure 6 6 A2 GPIB Board Schematic Diagram 667xA only 7 8...
Страница 130: ...Figure 6 7 A3 FET Board Assembly Diagram and Test Point Locations...
Страница 132: ...9 10 11 15 13 12 17 18 19 24 22 23 25 21 20 Figure 6 9 A4 AC Input Board Assembly Diagram and Test Point Locations 14 16...
Страница 133: ...Figure 6 10 A4 AC Input Board Schematic Diagram 15 13 17 18 25 21 20 16 9 10 11 12 19 24 22 23 14...
Страница 135: ...Figure 6 12 A5 Board Sec CV CC Readback DACs Schematic sheet 1 64 37 38 36 39 40...
Страница 136: ...Figure 6 12 A5 Board CV CC Control Circuits Schematic sheet 2 40 45 46 39 41 42 47 43 48 44...
Страница 138: ...Figure 6 13 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6671A 72A...
Страница 139: ...Figure 6 14 A6 Output Filter A7 Snubber Boards Schematic Diagrams 65 6671A 72A A7 Snubber Board...
Страница 140: ...Figure 6 15 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6673A 74A...
Страница 142: ...Figure 6 17 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6675A...
Страница 143: ...Figure 6 18 A2 Isolator Board Assembly and Schematic Diagram for 654xA 655xA Models Only...
Страница 154: ......