Agilent Technologies 5962-8200 service manual Bias, Circuits

Page 56

56

Figure 6-4. Rail

T1

J306

F311

1

Black

 

20Vac

 

 

 

 

D330

 

2

 

Red

J304

F310

 

 

1

 

8Vac

 

 

 

2

 

8Vac

 

F308

 

3

 

 

 

J305

F306

 

1

 

 

+ 26V To Fan Circuit

+15V Sec

U304

U307

R419

R423

+ RAIL

RAIL_CT

- RAIL

13

13

10

10

6 - Diagrams

and Bias

20Vac

 

 

2

20Vac

F303

 

 

3

S

U306

+5V Sec

Sec Com

R422

11

11

12

12

2121

2222

2323

27

27

14

14

Circuits

J303

F305

1

11Vac

2

-15V Sec

+5Vp Unreg

+5V Pri

U305

Pri Com

P

J307

 

J207

 

 

 

 

 

 

4

nu

5V

 

5V

 

White

 

 

 

E321

3

 

1

8

 

 

2

 

2

7

 

 

 

 

 

 

 

 

 

3

6

 

E320

Red

1

 

4

5

 

 

5

4

 

 

 

 

 

 

 

J206

 

6

3

 

 

 

 

7

2

 

 

 

 

 

8

1

 

 

 

 

 

P J211

J111

P

 

 

 

A2

 

 

A3

E324

Black

 

 

 

 

 

 

 

 

 

 

 

A1

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Contents Agilent Part No Microfiche No September Warranty Information CertificationSafety Summary Before Applying PowerSafety Symbol Definitions Symbol DescriptionPrinting History Instrument IdentificationTable of Contents Initialization ROM Upgrade Disassembly ProceduresPost-repair Calibration IntroductionPage Safety Considerations OrganizationRelated Documents ChapterRevisions Electrostatic DischargeManual Revisions Firmware RevisionsIntroduction Test Equipment RequiredMeasurement Techniques Test SetupType Specifications Recommended Model Test Setup Electronic LoadOperation Verification Tests Performance TestsCurrent-Monitoring Resistor ProgrammingCV Setup Constant Voltage CV TestsVoltage Programming and Readback Accuracy CV Load EffectCV Noise Pard Transient Recovery TimeCV Source Effect Current Programming and Readback Accuracy CC SetupConstant Current CC Tests Current Sink -CC Operation Low Range Current Readback AccuracyCC Load and Line Regulation CC Load EffectCC Source Effect CC Noise PardPerformance Test Equipment Form Load Effect Source Effect Pard Ripple and Noise Transient ResponseConstant Current Tests Current Programming and Readback Current Sink @ -3A Readback MA Range Current ReadbackVout − Load Effect Vout − Vout + 2.0mVSource Effect Vout − Iout −Vout + 4 mV Iout − Iout + 0.2 mAIout − Iout + 2.2 mA Current Sink @ -0.6A Readback Iout −Load Effect Vout − Vout + 5 mV Iout − Iout + 0.1 mAIout − Iout + 1.1 mA Current Sink @ -0.3A Readback Iout −Page Troubleshooting Overall Troubleshooting Flow ChartsTest Equipment Required for Troubleshooting Type Purpose Recommended ModelSheet 1. Troubleshooting Flowchart Sheet 2. Troubleshooting Flowchart Sheet 3. Troubleshooting Flowchart Sheet 4. Troubleshooting Flowchart Specific Troubleshooting Procedures Power-on Self-test FailuresSelf-Test Error Codes/Messages Error Code Description Probable CauseCV/CC Status Annunciators Troubleshooting Bias and Reference SuppliesBias and Reference Voltages Bias Test Point MeasurementJ307 Voltage Measurements Voltage Measurements at J207 A2 Interface to A1 Main boardDisabling Protection Features Manual Fan Speed ControlPost-repair Calibration Inhibit Calibration SwitchCalibration Password ROM Upgrade Upgrade ProcedureInitialization Identifying the FirmwareDisassembly Procedures List of Required ToolsFront Panel Assembly, Removal and Replacement Cover, Removal and ReplacementA2 Interface Board, Removal and Replacement A1 Main Control Board A3 Front Panel Board, Removal and ReplacementT1 Power Transformer, Removal and Replacement Line Voltage Wiring Connector Signal Description Interface SignalsPower Supply Interface signals A3 Front Panel Circuits A2 Interface CircuitsPrimary Interface Secondary InterfacePower Circuits A1 Main Board CircuitsControl Circuits Principles of Operation Page Chassis, Electrical Designator PartNumber Qty DescriptionReplaceable Parts List Mechanical Parts Identification Chassis, Mechanical MP9Diagrams Diagrams A2/A3 Boards Block Diagram Bias CircuitsIndex Index
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