Manuals / Agilent Technologies / Home Audio / Stereo System

Agilent Technologies 6633B, 6634B, 66332A, 6632B service manual Diagrams, 2continued

Models: 6632B 6633B 66332A 6634B

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Table 6-2 continued

6 - Diagrams

Table 6-2 continued

Ref.

X

Y

Ref.

X

Y

R434	2.5	9.825	R500	2.175	4.325
R435	2.4	9.825	R505	0.525	6.8
R436	7.05	7.75	R510	6.2	5.1
R437	6.8	7.75	R511	6.2	7.2
R438	4.675	6.875	R512	6.55	5.45
R439	1.925	8.65	R513	6.55	7.75
R440	5.7	7.2	R514	6.2	6.9
R441	5.05	7.125	R515	6.2	9.9
R442	0.35	9.65	R516	6.55	7.325
R443	0.2	9.55	R517	6.55	9.75
R444	4.375	7.9	R520	4.15	9.75
R445	3.425	9.275	R521	2.5	6.05
R446	0.9	9.65	R522	4.25	1.75
R447	2.4	8.45	Rt301	7.4	10.43
R448	1.95	9.675	S300	4.291	10.63
R449	1.95	9.775	T300	4.35	9.925
R450	1.925	8.85	Tp318	4.825	6.05
R451	0.825	9.25	Tp319	4.975	7.63
R452	1.95	9.25	Tp320	4.975	9.475
R453	2.375	8.55	Tp321	4.825	5.15
R454	1.35	9.75	Tp323	3.825	8.825
R455	0.075	9.75	U300	3.85	1.725
R456	1.225	10.02	U301	1.275	1.625
R457	1.125	10.02	U302	3.85	2.15
R458	2.2	9.825	U303	6.275	2.3
R459	2.1	9.825	U304	2.775	1.725
R460	0.6	2.55	U305	1.05	2.4
R461	4.675	7.375	U306	0.575	7.05
R462	4.675	7.275	U308	4.6	5.675
R463	8.275	9.425	U309	2.375	5.55
R464	4.225	7.075	U310	0.475	4.9
R465	4.675	7.175	U311	2.25	6.675
R466	3.6	9.8	U313	2.15	3.825
R467	5.7	9.9	U314	2.175	8.025
R468	5.95	9.9	U315	0.575	8.875
R469	6.8	9.75	U400	0.825	5.6
R470	7.05	9.75	U498	3.925	3.45
R471	4.925	10.82	U499	3.925	3.15
R472	4.725	6.6	Vr300	4.7	1.85
R473	2.7	5.4	Vr301	4.7	2.05
R474	7.85	9.125	Vr302	4.0	5.025
R476	0.525	6.6	Vr303	1.45	8.825
R477	3.75	5.7	Vr304	0.45	4.025
R478	3.2	5.775	Vr305	1.45	8.725
R479	3.2	5.675	Vr335	1.175	4.025
R480	3.75	6.1	W300	3.625	9.45
R481	3.75	6.0	W301	4.65	7.475
R482	4.2	5.8
R483	4.2	5.9
R484	4.025	3.6
R485	3.925	3.675
R486	3.725	4.125
R487	3.825	3.675
R488	0.525	6.9
R489	0.525	6.8
R490	1.35	6.775
R493	1.2	6.675
R494	3.1	8.85
R495	3.2	8.85
R496	3.65	5.975
R497	4.275	6.5
R498	3.75	6.55
R499	3.2	6.775

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Agilent Technologies 6633B, 6634B, 66332A, 6632B service manual Diagrams, 2continued

Contents

Dynamic Measurement DC Source System DC Power SupplyAgilent Model 66332A and Agilent Model 6632B, 6633B, 6634BLIMITATION OF WARRANTY Warranty InformationWARRANTY CERTIFICATIONDO NOT SERVICE OR ADJUST ALONE Safety SummaryBEFORE APPLYING POWER SAFETY SYMBOLSDescription Safety Symbol DefinitionsSymbol Item Description Printing HistoryInstrument Identification INTRODUCTION Table of ContentsTROUBLESHOOTING VERIFICATION AND PERFORMANCE TESTSPRINCIPLES OF OPERATION REPLACEABLE PARTS LISTDIAGRAMS INDEXPage Organization Safety ConsiderationsIntroduction Related DocumentsManual Revisions RevisionsElectrostatic Discharge Firmware RevisionsTest Equipment Required Verification and Performance TestsIntroduction 2 - Verification and Performance Tests Test SetupMeasurement Techniques Figure 2-1.Test SetupElectronic Load Operation Verification TestsPerformance Tests Current-MonitoringResistorVoltage Programming and Readback Accuracy CV SetupConstant Voltage CV Tests CV Load EffectVerification and Performance Tests CV Source EffectCV Noise PARD Constant Current CC Tests Transient Recovery TimeCC Setup Current Programming and Readback AccuracyCC Load and Line Regulation Current Sink -CCOperationLow Range Current Readback Accuracy Verification and Performance Tests2 - Verification and Performance Tests CC Load EffectCC Source Effect Verification and Performance Tests Performance Test Equipment FormCC Noise PARD Performance Test Record Forms 2 - Verification and Performance TestsVerification and Performance Tests 2 - Verification and Performance Tests Troubleshooting Introduction3 - Troubleshooting Overall TroubleshootingFlow Charts Test Equipment RequiredTroubleshooting Figure 3-1Sheet 1. Main Flowchart3 - Troubleshooting Figure 3-1Sheet 2. Main Flowchart continuedTroubleshooting Figure 3-1Sheet 3. Main Flowchart continued3 - Troubleshooting Figure 3-1Sheet 4. OV at Turn-OnTroubleshooting Figure 3-1Sheet 5. OV at Turn-Oncontinued3 - Troubleshooting Figure 3-1Sheet 6. FS Indicated but Fuse OKTroubleshooting Figure 3-1Sheet 7. No Output Voltage3 - Troubleshooting Figure 3-1Sheet 8. No Output Voltage continuedTroubleshooting Figure 3-1Sheet 9 No Output Voltage continued3 - Troubleshooting Figure 3-1Sheet 10. No Current LimitTroubleshooting Figure 3-1Sheet 11. Unit Does Not OV3 - Troubleshooting Figure 3-1Sheet 12. High Output VoltageTroubleshooting Specific Troubleshooting ProceduresPower-on Self-testFailures Table 3-2. Self-TestError Codes/Messages3 - Troubleshooting CV/CC Status Annunciators TroubleshootingBias and Rail Voltages Table 3-3.Bias and Reference VoltagesJ307 Voltage Measurements Troubleshooting3 - Troubleshooting Disabling Protection FeaturesManual Fan Speed Control Post-repairCalibration Inhibit Calibration SwitchCalibration Password TroubleshootingInitialization ROM UpgradeUpgrade Procedure Identifying the FirmwareTroubleshooting Disassembly ProceduresList of Required Tools Figure 3-2.Component LocationFront Panel Assembly, Removal and Replacement Cover, Removal and ReplacementA2 Interface Board, Removal and Replacement 3 - TroubleshootingT1 Power Transformer, Removal and Replacement S1 Line Switch, Removal and ReplacementA3 Front Panel Board, Removal and Replacement A1 Main Control Board3 - Troubleshooting Line Voltage WiringFigure 3-3.Transformer Wiring Table 4-1.Power Supply Interface signals I/O Interface SignalsPrinciples of Operation IntroductionPrimary Interface A3 Front Panel CircuitsA2 Interface Circuits Secondary InterfacePrinciples of Operation Figure 4-1.A2/A3 Block Diagram4 - Principles of Operation Power CircuitsA1 Main Board Circuits Figure 4-2.A1 Block Diagram Principles of OperationControl Circuits 4 - Principles of OperationPrinciples of Operation Page Table 5-1.Chassis, Electrical Replaceable Parts ListIntroduction 5 - Replaceable Parts Table 5-2.Chassis, MechanicalReplaceable Parts Figure 5-1.Mechanical Parts ldentificationTable 5-3.A1 Control Board PC Board Assembly 5 - Replaceable PartsReplaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts 5 - Replaceable Parts Replaceable Parts Table 5-5.A5 AC input/RFI Board 5 - Replaceable PartsTable 5-4.Binding Post Option #020 Table 5-6.Relay Option #760Introduction DiagramsGeneral Schematic Notes Table 6-1. Model-dependentComponentsDesignator 6 - DiagramsTable 6-1. Model-dependentComponents continued 66332ADiagrams Table 6-2.A1 Board Component Locations6 - Diagrams Table 6-2continuedFigure 6-1.A1 Board Component Locations Figure 6-2.A4 and A6 Board Component Locations Figure 6-3.A1 Board schematic sheet A1 Board schematic sheet A1 Board schematic sheet Figure 6-4.A6 Relay Option Board schematic Index Page Manual Updates