Agilent Technologies 66332A, 6634B, 6633B, 6632B service manual A1 Board Component Locations

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Diagrams - 6

Table 6-2. A1 Board Component Locations

Ref.	X	Y	Ref.	X	Y	Ref.	X	Y	Ref.	X	Y	Ref.	X	Y
C300	8.125	3.25	C371	5.05	7.65	D323	1.025	4.9	R301	5.45	1.0	R366	1.3	3.925
C301	2.075	0.525	C372	1.875	7.9	D324	0.1	4.375	R302	6.275	0.1	R367	0.675	4.225
C302	7.5	1.925	C373	1.875	7.8	D325	0.15	7.125	R303	7.925	2.8	R368	1.125	5.0
C304	6.025	0.45	C374	0.3	8.325	D326	0.775	8.525	R304	5.85	2.1	R370	3.65	5.875
C307	5.45	0.45	C375	3.575	8.4	D327	1.0	8.025	R305	4.85	2.075	R371	2.075	5.8
C308	4.05	3.45	C376	1.2	9.875	D328	1.0	7.825	R306	5.3	1.975	R372	2.375	6.25
C309	8.025	2.8	C377	0.525	9.85	D329	0.425	8.425	R307	0.7	2.7	R373	3.175	9.275
C311	4.775	0.975	C378	1.775	10.42	D330	4.2	8.7	R308	1.15	2.8	R374	0.1	5.325
C312	4.875	1.425	C379	0.525	10.17	D331	5.15	0.8	R309	1.6	3.0	R375	0.675	4.125
C314	3.5	4.925	C380	4.675	6.975	D332	4.575	0.8	R310	1.7	3.5	R376	1.975	5.8
C315	3.825	4.7	C381	0.925	10.4	D333	5.775	0.8	R311	3.45	2.3	R377	0.55	4.475
C316	3.625	3.175	C382	3.0	10.45	D334	6.25	0.8	R312	1.4	1.75	R378	8.025	8.55
C317	1.15	2.5	C383	3.8	10.25	D336	4.65	6.4	R313	4.025	4.25	R379	0.1	4.125
C318	0.95	1.35	C384	0.3	9.35	D337	4.825	6.25	R314	0.6	3.1	R380	1.75	6.25
C319	3.525	1.475	C386	2.45	6.875	D400	3.375	7.7	R315	3.05	2.0	R381	0.55	5.625
C320	4.8	2.25	C403	1.775	8.475	D470	3.3	6.525	R316	4.825	7.025	R382	1.75	5.875
C321	3.975	1.925	C405	0.525	9.975	D471	3.65	6.175	R317	2.85	2.0	R383	1.125	5.425
C322	5.4	2.2	C411	2.825	8.3	D499	3.65	6.825	R318	2.95	2.0	R384	6.8	5.45
C323	5.4	2.0	C420	3.475	4.825	F300	1.875	0.075	R319	2.25	3.5	R385	2.275	6.25
C324	2.45	1.5	C421	3.3	4.825	F301	1.975	0.075	R320	2.15	3.4	R386	7.05	5.45
C326	0.175	2.05	C422	2.175	2.25	F302	4.725	0.425	R321	2.15	2.9	R387	5.7	5.1
C327	1.15	2.0	C423	1.7	3.2	F303	4.825	0.425	R322	1.7	3.6	R388	1.75	4.225
C328	0.475	2.7	C424	1.775	2.75	F304	0.275	2.05	R323	1.6	2.2	R389	5.95	5.1
C329	0.35	2.425	C425	0.525	6.7	F400	7.95	7.375	R324	4.75	4.85	R390	1.875	7.6
C330	1.25	2.9	C426	4.6	10.57	F401	8.05	5.425	R325	3.35	3.225	R391	1.875	7.3
C331	2.3	2.425	C427	2.1	10.47	F402	5.6	7.1	R326	4.65	5.3	R392	0.5	2.1
C332	1.925	2.7	C428	6.25	0.525	F403	5.55	4.8	R327	0.6	3.0	R393	2.225	2.0
C333	1.7	3.3	C429	5.375	0.425	F404	7.75	8.85	R328	3.475	5.025	R394	2.05	2.0
C334	1.125	4.625	C430	8.225	3.35	F405	7.95	6.275	R329	2.25	3.2	R395	2.425	7.4
C335	1.15	7.225	C431	1.75	10.47	F406	5.725	8.85	R330	4.15	3.175	R396	2.325	7.7
C336	1.05	7.65	C432	4.6	10.45	F407	5.65	5.925	R331	1.6	3.1	R397	8.275	8.55
C337	0.1	5.525	C480	3.75	6.2	F500	4.871	3.147	R332	2.25	3.0	R398	4.95	8.875
C338	0.7	7.35	C481	3.75	6.3	J303	0.15	2.75	R333	2.25	3.3	R399	0.875	8.225
C339	1.15	7.45	C482	3.2	3.75	J304	5.8	0.2	R334	4.125	4.25	R400	1.45	8.425
C340	1.5	2.35	C496	2.5	1.85	J305	1.575	0.15	R335	0.6	2.9	R401	1.45	8.225
C341	2.7	4.025	C497	3.05	1.825	J307	0.147	5.878	R336	1.6	3.2	R402	1.4	7.925
C342	1.05	5.875	C498	1.8	3.7	J309	2.075	10.63	R337	3.925	4.25	R403	2.6	8.3
C343	1.75	4.025	C499	2.875	7.95	J314	1.375	10.17	R338	1.7	2.8	R404	2.7	3.825
C344	3.75	6.4	C500	5.725	2.725	J320	2.25	9.55	R339	2.7	2.525	R405	0.425	8.325
C345	0.95	4.75	C501	6.35	3.1	J414	4.7	2.225	R340	2.675	2.1	R406	1.45	8.625
C346	3.65	6.075	C502	5.1	3.1	J508	6.35	3.45	R341	2.7	3.1	R407	5.95	6.9
C347	0.6	3.325	Cr342	3.9	8.9	L300	3.625	4.85	R342	1.7	3.0	R408	5.7	6.9
C348	1.95	5.15	D300	1.875	1.025	L301	3.5	5.2	R343	1.7	3.1	R409	7.05	7.325
C349	2.175	5.8	D301	1.975	1.025	P300	0.125	3.55	R344	1.75	4.125	R410	6.8	7.325
C350	0.1	5.425	D302	1.65	0.325	Q300	3.85	2.55	R345	0.6	3.2	R411	7.75	10.17
C351	2.4	5.65	D303	1.75	0.325	Q301	2.725	2.75	R346	2.25	3.4	R412	1.45	9.025
C352	1.95	5.65	D304	4.7	1.95	Q302	1.5	2.6	R347	0.675	5.2	R413	2.25	3.925
C353	1.875	6.25	D305	0.2	0.6	Q303	3.575	3.35	R348	2.05	2.1	R414	1.45	8.925
C354	2.375	6.35	D306	0.325	0.6	Q304	4.375	3.35	R349	2.4	9.7	R415	0.175	8.325
C355	0.55	4.575	D307	2.675	1.4	Q305	1.55	3.6	R350	1.15	7.0	R416	4.275	6.75
C356	0.3	4.25	D308	6.25	1.0	Q306	1.4	2.275	R351	1.65	8.3	R417	1.45	8.525
C357	1.925	7.05	D309	4.575	1.0	Q307	4.925	5.8	R352	1.675	2.6	R418	1.275	9.125
C358	2.25	6.775	D310	5.15	1.0	Q308	7.768	5.007	R353	0.1	4.775	R419	0.425	8.725
C359	0.775	8.125	D311	5.775	1.0	Q309	4.972	5.433	R354	1.15	7.1	R420	1.45	8.325
C360	1.35	8.125	D312	4.275	2.55	Q310	7.768	6.109	R355	2.25	3.6	R421	5.95	7.2
C361	0.65	9.95	D313	0.225	1.5	Q311	4.972	6.535	R356	0.7	7.55	R422	0.425	8.625
C362	0.775	8.025	D314	0.35	1.5	Q312	7.768	7.211	R357	0.55	4.675	R423	0.1	8.425
C363	1.975	7.5	D315	1.1	2.6	Q313	3.9	7.4	R358	0.675	4.325	R425	1.875	4.4
C364	1.875	6.9	D316	7.975	4.3	Q314	3.35	7.025	R359	3.625	4.25	R427	2.7	3.725
C365	0.7	8.9	D317	3.725	4.25	Q315	4.972	8.248	R360	1.125	4.425	R428	8.025	9.425
C366	2.275	8.0	D318	4.25	4.25	Q316	0.65	7.85	R361	1.25	3.725	R429	0.2	9.45
C367	0.175	9.0	D319	3.625	4.5	Q317	7.768	8.313	R362	1.125	4.525	R430	1.975	4.4
C368	0.2	8.425	D320	4.125	4.5	Q318	4.8	7.625	R363	1.275	4.425	R431	4.95	7.1
C369	1.35	7.65	D321	1.75	2.5	Q319	4.972	10.05	R364	1.125	5.1	R432	1.65	9.15
C370	0.075	9.55	D322	1.65	4.325	R300	8.225	0.725	R365	1.75	3.825	R433	1.925	8.75

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Contents Agilent Part No Microfiche No October Certification Warranty InformationBefore Applying Power Safety SummarySymbol Description Safety Symbol DefinitionsInstrument Identification Printing HistoryItem Description Table of Contents Disassembly Procedures Initialization ROM UpgradeIntroduction General Schematic Notes Backdating Post-repair CalibrationPage Organization Safety ConsiderationsRelated Documents ChapterElectrostatic Discharge RevisionsManual Revisions Firmware RevisionsIntroduction Type Specifications Recommended ModelTest Equipment Required Built-in Self TestsMeasurement Techniques Test SetupPerformance Tests Operation Verification TestsElectronic Load Current-Monitoring ResistorConstant Voltage CV Tests CV SetupVoltage Programming and Readback Accuracy CV Load EffectCV Noise Pard CV Source EffectCC Setup Transient Recovery TimeConstant Current CC Tests Current Programming and Readback AccuracyLow Range Current Readback Accuracy Current Sink -CC OperationCC Load and Line Regulation CC Source Effect CC Load EffectCC Noise Pard Performance Test Equipment FormPerformance Test Record Forms − 4 mV + 4 mV Vout − 12 mV Model Agilent 6634B Report No Date Test Description MinimumVout − 42 mV Iout + 0.29 mATroubleshooting Flow Charts Overall TroubleshootingTest Equipment Required for Troubleshooting Type Purpose Recommended ModelSheet 1. Main Flowchart Sheet 2. Main Flowchart Sheet 3. Main Flowchart Sheet 4. OV at Turn-On Sheet 5. OV at Turn-On Sheet 6. FS Indicated but Fuse OK Sheet 7. No Output Voltage Sheet 8. No Output Voltage Sheet 9 No Output Voltage Sheet 10. No Current Limit Sheet 11. Unit Does Not OV Sheet 12. High Output Voltage Power-on Self-test Failures Specific Troubleshooting ProceduresSelf-Test Error Codes/Messages Error Code Description Probable CauseBias and Rail Voltages CV/CC Status Annunciators TroubleshootingBias and Reference Voltages Bias Test Point Common MeasurementVoltage Measurements at J307 A2 Interface to A1 Main board J307 Voltage MeasurementsManual Fan Speed Control Disabling Protection FeaturesCalibration Password Inhibit Calibration SwitchPost-repair Calibration Upgrade Procedure ROM UpgradeInitialization Identifying the FirmwareRemote sense leads before attempting disassembly Disassembly ProceduresList of Required Tools A2 Interface Board, Removal and Replacement Cover, Removal and ReplacementFront Panel Assembly, Removal and Replacement A3 Front Panel Board, Removal and Replacement S1 Line Switch, Removal and ReplacementT1 Power Transformer, Removal and Replacement A1 Main Control BoardTransformer Wiring Line Voltage WiringPower Supply Interface signals Interface SignalsConnector Signal Description A2 Interface Circuits A3 Front Panel CircuitsPrimary Interface Secondary InterfaceA2/A3 Block Diagram A1 Main Board Circuits Power CircuitsA1 Block Diagram Control Circuits Principles of Operation Page Designator Model PartNumber Qty Description Chassis, ElectricalDesignator Model Part Number Qty Description Chassis, MechanicalMechanical Parts ldentification A1 Control Board PC Board Assembly Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts Replaceable Parts A5 AC input/RFI Board Binding Post Option #020Relay Option #760 Model-dependent Components General Schematic NotesDiagrams A1 Board Component Locations R434 825 R500 175 325 R435 R505 A1 Board Component Locations A4 and A6 Board Component Locations A1 Board schematic sheet A1 Board schematic sheet A1 Board schematic sheet A6 Relay Option Board schematic Index Index Manual Updates

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6632B, 6633B, 66332A, 6634B specifications

Agilent Technologies, a leader in electronic test and measurement solutions, offers a range of power supplies designed to meet various application needs. Notable models include the 6632B, 6634B, 66332A, 6633B, and 6612C. Each of these units provides unique features and technologies that cater to researchers, engineers, and technicians in the industry.

The Agilent 6632B is a single-output DC power supply that delivers up to 30V and 3A. It is known for its excellent load regulation and low noise, making it ideal for sensitive electronic testing. The model includes built-in voltage and current measurement capabilities, allowing users to monitor output conditions in real time. The 6632B is commonly used in laboratory environments, educational institutions, and manufacturing lines.

Moving to the 6634B, this model offers dual-output capabilities with a maximum output of 30V and 6A. This versatility enables simultaneous powering of two different devices or circuit sections. It also features parallel and series operation options, allowing users to create a custom power supply configuration for specific applications. With a programmable interface, the 6634B simplifies test automation, ensuring efficiency in extensive testing scenarios.

The Agilent 66332A stands out with its precision and high performance. This power supply provides three outputs—two programmable and one fixed—yielding flexible power configurations. Its intuitive user interface allows easy adjustment of voltage and current settings. The device is equipped with extensive protection features to safeguard both the power supply and the connected load against faults. It is an excellent choice for complex testing setups that require reliable power.

The 6633B model offers a high-performance power supply with dual outputs, similar to the 6634B but with enhanced specifications. It can provide up to 40V and 2A per channel, delivering precision for demanding applications. This model is particularly suited for industries focused on high-reliability applications, such as telecommunications and aerospace.

Lastly, the Agilent 6612C is a compact and lightweight power supply providing single-output up to 60V and 2A. This model is designed for simplicity and ease of use, making it an excellent choice for portable applications. The 6612C’s unique characteristics include a compact design and user-friendly controls, which facilitate operation in field settings.

In summary, Agilent Technologies’ power supply models—6632B, 6634B, 66332A, 6633B, and 6612C—offer an array of features that cater to a wide range of testing and research needs, ensuring reliable power delivery in various contexts.