Diagrams 11
7
6
Diagrams
Introduction
This chapter contains drawings and diagrams for troubleshooting and maintaining Series 657xA and 667xA Power Supplies.
Unless otherwise specified, a drawing or diagram applies to all models of the series. Wiring connections to external
equipment are shown in the Power Supply Operating Manual.
Chapter Organization
Table 6-1 summarizes the contents of this chapter.
Table 6-1. Summary of Chapter Contents
Function
Description
See
Interconnections
Drawing identifying each circuit board, the cables between boards, and schematic
diagram for each board.
Figure 6-2
Schematics
Show test points, signal mnemonics, component-location grid coordinates, and
specific notes. General notes applicable to all schematics are given in Table 6-4.
Al Front Panel Board.
A2 GPIB Board (Used in 667xA Series only.
A2 Isolator Board (Used in 657xA Series only).
A3 FET Board.
A4 Input AC Power Board.
A5 Control Board (3 sheets)
Secondary Interface and CV/CC Readback DACS.
CV/CC Control Circuits.
Switching, Down Programmer Control, OV Monitor.
Agilent 6571A/72A, 6671A/72A A6 Output Filter Board & A7 Snubber Board.
Agilent 6573A/74A, 6673A/74A A6 Output Filter Board & A7 Snubber Board.
Agilent 6575A and 6675A A6 Output Filter Board & A7 Snubber Board .
Signal Names
Table of signal name mnemonics
Table 6-2
Parts Location
A drawing that shows the location of components on a circuit board is located
next to the above circuit board schematic diagram.
A drawing showing location of each circuit board in the chassis is in Chapter 3.
Figure 3-19
Test Points
Description of each test point.
Location of each test point is shown on the the appropriate schematic and its
associated parts location drawing.
Table 6-3
Summary of Contents for 6571A
Page 10: ......
Page 33: ...Troubleshooting 33 Figure 3 1 Overall Troubleshooting Sheet 1 of 4...
Page 34: ...34 Troubleshooting Figure 3 1 Overall Troubleshooting Sheet 2 of 4...
Page 35: ...Troubleshooting 35 Figure 3 1 Overall Troubleshooting Sheet 3 of 4...
Page 36: ...36 Troubleshooting Figure 3 1 Overall Troubleshooting Sheet 4 of 4...
Page 37: ...Troubleshooting 37 Figure 3 2 No Display Troubleshooting...
Page 38: ...38 Troubleshooting Figure 3 3 OV Will Not Fire Troubleshooting...
Page 39: ...Troubleshooting 39 Figure 3 4 OV At Turn On Troubleshooting Sheet 1 of 2...
Page 40: ...40 Troubleshooting Figure 3 4 OV At Turn On Troubleshooting Sheet 2 of 2...
Page 41: ...Troubleshooting 41 Figure 3 5 Output Held Low Troubleshooting Sheet 1 of 2...
Page 42: ...42 Troubleshooting Figure 3 5 Output Held Low Troubleshooting Sheet 2 of 2...
Page 43: ...Troubleshooting 43 Figure 3 6 Output Held High Troubleshooting...
Page 44: ...44 Troubleshooting Figure 3 7 DAC Circuits Troubleshooting...
Page 45: ...Troubleshooting 45 Figure 3 8 DAC Test Waveforms...
Page 46: ...46 Troubleshooting Figure 3 9 CV CC DAC and Amplifier Circuit Troubleshooting...
Page 47: ...Troubleshooting 47 Figure 3 10 Serial Down Troubleshooting Sheet 1 of 2...
Page 48: ...48 Troubleshooting Figure 3 10 Serial Down Troubleshooting Sheet 2 of 2...
Page 49: ...Troubleshooting 49 Figure 3 11 Isolator Board Troubleshooting...
Page 50: ...50 Troubleshooting Figure 3 12 Secondary Interface Down Sheet 1 of 2...
Page 51: ...Troubleshooting 51 Figure 3 12 Secondary Interface Down Sheet 2 of 2...
Page 52: ...52 Troubleshooting Figure 3 13 Slow Downprogramming Troubleshooting...
Page 55: ...Troubleshooting 55 Figure 3 14 A3 FET Board Test Waveforms...
Page 59: ...Troubleshooting 59 Figure 3 17 Signature Analysis Connections for Model 657xA Only...
Page 60: ...60 Troubleshooting Figure 3 17 Signature Analysis Connections for Model 667xA Only...
Page 75: ...Troubleshooting 75 Figure 3 20 Component Locations Top Cover and RFI Shield Removed...
Page 76: ......
Page 83: ...Principles Of Operation 83 Figure 4 1 Agilent Series 665xA 667xA Power Supply Block Diagram...
Page 84: ......
Page 124: ...124 Diagrams Figure 6 1 Test Point Waveforms for Table 6 3...
Page 125: ...Diagrams 125 Figure 6 2 Circuit Board Cabling Diagram...
Page 126: ...126 Diagrams Figure 6 3 A1 Front Panel Board Component Location Diagram...
Page 127: ...Figure 6 4 A1 Front Panel Board Schematic Diagram...
Page 128: ...Figure 6 5 A2 GPIB Board Assembly Diagram 667xA only...
Page 129: ...2 3 4 1 6 5 Figure 6 6 A2 GPIB Board Schematic Diagram 667xA only 7 8...
Page 130: ...Figure 6 7 A3 FET Board Assembly Diagram and Test Point Locations...
Page 135: ...Figure 6 12 A5 Board Sec CV CC Readback DACs Schematic sheet 1 64 37 38 36 39 40...
Page 136: ...Figure 6 12 A5 Board CV CC Control Circuits Schematic sheet 2 40 45 46 39 41 42 47 43 48 44...
Page 138: ...Figure 6 13 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6671A 72A...
Page 140: ...Figure 6 15 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6673A 74A...
Page 142: ...Figure 6 17 A6 Output Filter A7 Snubber Boards Assembly Diagrams 65 6675A...
Page 143: ...Figure 6 18 A2 Isolator Board Assembly and Schematic Diagram for 654xA 655xA Models Only...
Page 154: ......