Backdating 1
49
CHANGE 10
In Table 5-11:
CHANGE: Capacitor, C990 C991, from 0.015
µ
F
±
10% 200V Polyester/Foil Agilent P/N 0160-0194 to 0.015
µ
F
±
5%
400V Polypropylene/Foil Agilent P/N 0160-6896, Qty. 2.
CHANGE 11
Applicable to Agilent Maintenance Personnel Only.
REFERENCE PCO 21-6348 & 21-6397 This PCO is in reference to 21-6348 & 21-6397. The start serial number for Model
Q572A should be as follows:
MODEL
RUN
START SERIAL
6572A
57602
3216-00108
CHANGE 12
In Table 5-6:
CHANGE:
1) Capacitor, C138, from 0.047
µ
F 20% 50V Agilent P/N 0160-5422 to 0.01
µ
F 10% 100V Agilent P/N 0160-4832, Qty. 1.
2) Resistor, R134, from 100 Ohm 5% 1/4W Agilent P/N 0683-1015 to 1K 5% 1/4W Agilent P/N 0683-1025, Qty. 1.
CHANGE 13
In Table 5-6:
The power supply unit will not operate with Agilent relay boxes 595l0A and 59511A in the relay link communications
mode.
The cover must be removed and the jumper on the GPIB assembly 50603291 must be moved as described in the operating
manual to observe this operating anomaly.
CHANGE 14
In Table 5-9:
ADD: Label Agilent P/N 5080-2249 Qty. 1 (Change to ETL label ).
CHANGE 15
In Table 5-9:
ADD: Capacitor, C900, 100pF 5%100V Agilent P/N 0160-4801, Qty, 1.
CHANGE 16
In Table 5-3:
CHANGE:
1) PC Board, Output/Snubber from Agilent PN 5020-2745 to Agilent P/N 5020-2774, Qty 1.
2) Output from Agilent P/N 5020-2744 to Agilent P/N 5020-2775, Qty. 1.
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: ......