Agilent Technologies 6050A Specifikace

SERVICE GUIDEfor Agilent 6610xAPower Modules Agilent Part No. 5959-3364 Printed in Malaysi

Overview10The following equipment is required to verify and troubleshoot the Agilent 6610xA Power Modules:Table 1-1. Service Test EquipmentEquipmen

performance tests...

cv accuracy...

Verification and Performance Tests 112Verification and Performance TestsThis chapter contains test procedures to check the operation of the Agilent

12 Verification and Performance TestsMeasurement TechniquesSetup for Most TestsMost tests are performed at the rear terminals as shown in the follow

Verification and Performance Tests 13Table 2-1. Power Module Voltage and Current ValuesAgilentModelFull-ScaleVoltageMax. Prog.VoltageFull-ScaleCurr

14 Verification and Performance TestsCV Source EffectThis test measures the change in output voltage that results from a change in ac line voltage f

Verification and Performance Tests 15unloading transients by triggering on the positive and negative slope.Figure 2-2. Transient Response WaveformC

16 Verification and Performance TestsThe following steps show how to set up an Agilent 3458A System Voltmeter from its front panel to take a statist

Verification and Performance Tests 17 Note You may want to use the average reading program described previously. 7. Adjust the transformer to t

18 Verification and Performance TestsTable 2-2. Performance Test Record for Model Agilent 66101A (8V, 16A)Pre Cal_____________Post Cal_____________

Verification and Performance Tests 19Table 2-3. Performance Test Record for Model Agilent 66102A (20V, 7.5A)Pre Cal_____________Post Cal___________

2CERTIFICATIONAgilent Technologies certifies that this product met its published specifications at time of shipment from the factory. AgilentTechnolog

20 Verification and Performance TestsTable 2-4. Performance Test Record for Model Agilent 66103A (35V, 4.5A)Pre Cal_____________Post Cal___________

Verification and Performance Tests 21Table 2-5. Performance Test Record for Model Agilent 66104A (60V, 2.5A)Pre Cal_____________Post Cal___________

22 Verification and Performance TestsTable 2-6. Performance Test Record for Model Agilent 66105A (120V, 1.25 A)Pre Cal_____________Post Cal________

Verification and Performance Tests 23Table 2-7. Performance Test Record for Model Agilent 66106A (200V, 0.75A)Pre Cal_____________Post Cal_________

Troubleshooting 25 3 Troubleshooting This chapter provides troubleshooting and repair information for the Agilent 6610xA Power Modules. Before atte

26 Troubleshooting § Figure 3-5 - Troubleshooting No Output § Figure 3-6 - Troubleshooting High Output § Figure 3-7 - Troubleshooting Will Not

Troubleshooting 27Figure 3-1. Overall Troubleshooting (Sheet 1 of 3)

28 TroubleshootingFigure 3-1. Overall Troubleshooting (Sheet 2 of 3)

Troubleshooting 29Figure 3-1. Overall Troubleshooting (Sheet 3 of 3)

3SAFETY SUMMARYThe following general safety precautions must be observed during all phases of operation of this power module.Failure to comply with th

30 TroubleshootingFigure 3-2. Troubleshooting Microprocessor Circuits (Sheet 1 of 2)

Troubleshooting 31Figure 3-2. Troubleshooting Microprocessor Circuits (Sheet 2 of 2)

32 TroubleshootingFigure 3-3. Troubleshooting Error Messages

Troubleshooting 33Figure 3-4. Troubleshooting Overvoltage at Turn-On (Sheet 1 of 2)

34 TroubleshootingFigure 3-4. Troubleshooting Overvoltage at Turn-On (Sheet 2 of 2)

Troubleshooting 35Figure 3-5. Troubleshooting No Output (Sheet 1 of 5)

36 TroubleshootingFigure 3-5. Troubleshooting No Output (Sheet 2 of 5)

Troubleshooting 37Figure 3-5. Troubleshooting No Output (Sheet 3 of 5)

38 TroubleshootingFigure 3-5. Troubleshooting No Output (Sheet 4 of 5)

Troubleshooting 39Figure 3-5. Troubleshooting No Output (Sheet 5 of 5)

4Printing HistoryThe current edition of this guide is indicated below. Reprints of this guide containing minor corrections and updates mayhave the sa

40 TroubleshootingFigure 3-6. Troubleshooting High Output

Troubleshooting 41Figure 3-7. Troubleshooting Will Not Overvoltage

42 TroubleshootingFigure 3-8. Troubleshooting CV Accuracy

Troubleshooting 43Figure 3-9. Troubleshooting CC Accuracy

44 TroubleshootingFigure 3-10. Troubleshooting Downprogrammer

Troubleshooting 45Figure 3-11. Troubleshooting DAC Circuit

46 TroubleshootingFigure 3-12. Troubleshooting Readback Circuits (Sheet 1 of 2)

Troubleshooting 47Figure 3-12. Troubleshooting Readback Circuits (Sheet 2 of 2)

48 TroubleshootingTest PointsThe following test points are referenced in the troubleshooting flowcharts. Refer to the component locations diagram in

Troubleshooting 49Table 3-2. S3 Test SettingsS3 Setting Test Description8 7 6 5 4 3 2 10 0 0 0 0 0 0 0 Start with blank front panel0 0 0 1 0 0 0 0

5Table of ContentsOverview...

50 TroubleshootingFigure 3-13. S3 Switch Setting Waveforms

Troubleshooting 51 EEPROM Troubleshooting and Initialization Troubleshooting The power module can detect an EEPROM checksum error. This error is n

52 Troubleshooting10 ! Program to initialize EEPROM or move factory preset data in 66101A,20 ! 66102A, 66103A, 66104A, 66105A and 66106A power suppl

Troubleshooting 53510 !520 Eprom_data_106a: ! ! EEPROM data for 66106A530 DATA 16.4035,32.3969,204.75,0,65,0,4403.67,30.0918,0.768,0540 DATA 67,4,0

54 Troubleshooting1010 NEXT I1020 !1030 OUTPUT @Ps;"*CLS" ! Clears power supply registers1040 !1050 OUTPUT @Ps;"CAL;STATE ON," !

Troubleshooting 551510 OUTPUT @Ps;"DIAG:EEPR ’’;Addr(I);’’,’’;Length(I);’’,’’;Init_data(I)1520 NEXT I1530 GOTO Cal_off1540 !1550 Fact_pres

56 Troubleshooting2010 STOP2020 END IF2030 !2040 PRINT "Operation complete. Program stopped."2050 STOP2060 !2070 Ps_error: ! Error ha

Troubleshooting 57Removing the Front Panel Assembly1. Carefully unplug the front panel cable from the J3 connector on the Power board. 2. Spread t

58 TroubleshootingFigure 3-15. Front Panel Assembly Locking TabsInstalling the Power Board1. Insert the tabs along the bottom edge of the board in

Troubleshooting 59Installing the Front Panel Board and Front Panel Assembly1. Install the front panel, the front panel board, and the latch assembl

6Installing the Power Board ...

Theory Of Operation 614Theory of OperationThis chapter provides a brief theory of operation for the Agilent 6610xA Power Modules. Figure 4-1 is a bl

62 Thoery Of OperationFigure 4-1. Block Diagram

Theory Of Operation 63CV AmplifierThe CV amplifier controls the output of the power module when the module is operating in constant voltage mode. Th

64 Thoery Of OperationPulse-Width Modulator, FETS, and Isolation TransformerThe pulse-width modulator controls the FETS. The FETS are arranged in an

Theory Of Operation 65OV CircuitThe OV circuit consists of a comparator that compares the output voltage of the module with an overvoltage reference

Replacement Parts 67 5 Replacement Parts Table 5-1 lists the electrical components of the Agilent 6610xA Power Modules' main, bias, and front

68 Replacement Parts Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical ReferenceDesignators Model Part Number Description 66101A

Replacement Parts 69 Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Overview71OverviewAbout This ManualThis manual is a complete guide for servicing the Agilent 6610xA Power Modules. Troubleshooting information for the

70 Replacement Parts Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Replacement Parts 71 Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

72 Replacement Parts Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Replacement Parts 73 Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

74 Replacement Parts Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Replacement Parts 75 Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

76 Replacement Parts Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Replacement Parts 77 Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

78 Replacement Parts Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Replacement Parts 79 Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Overview8 Related Documents The following documents are related to this manual: Manual Part Number Description Agilent 66000A MPS MainframeIn

80 Replacement Parts Table 5-1. Agilent 6610xA Power Modules Parts List - Electrical (continued) ReferenceDesignators Model Part Number Descripti

Replacement Parts 81 Table 5-3. Output Connector Assembly Parts List ReferenceDesignators Part Number Description 5060-3470 ASSEMBLY-OUTPUT CO

Diagrams 83 6 Diagrams This chapter contains test point and component location diagrams and schematics for troubleshooting the Agilent 6610xAPower

84 Diagrams Schematic Notes Notes that apply to all schematic sheets are as follows: § All resistors are in ohms +/-1%, 1/8 W, unless otherwise s

L305L306L307L308R309

Overview9 Safety Considerations The Agilent 6610xA Power Modules are Safety Class 1 instruments that connect to a protective earth terminal whenprope

S3S2S1S0N10CR505R509R5081 8R5073 6R5072 7U50215161983612414131110257U50375210111314412638 91 1615J50110132987654C503R510C502R50181R5012 7R50163R5014 5

1 34567 8910111213141516171819202122IF0- ISENSE+ OUT- OUT

XY XY XYC1 8.1 2.2 C220 0.5 2.1 C331 12.7 3.7C2 8.1 2.0 C221 1.0 3.2 C332 13.7 3.6C3 8.1 3.1 C222 0.0 2.9 C333 13.4 4.1C4 7.3 3.0 C223 1.0 2.1 C334 13

Backdating 97Manual BackdatingThis section describes changes that must be made to the manual so that it applies to power modules with older serial n

CHANGE 8:In the parts list on page 65, change L204 through L211 from part number 5080-2251 to 9170-0442.CHANGE 9:On page 67, change R204, R214 to 61.8

IndexBbackdating.................................