110 | Agilent Technologies E3631A instruction

Chapter 6 Replaceable Parts

E3631-60002 Top PCB Assembly

Reference Designator

U21

U22

U23

U24

U25

U26

U27

U28

U29

U30

Y1

Agilent Part Qty Number

1826-1862 1

1990-1659 2

1826-1572 2

1826-0527 1

1826-0393 1

1826-1622

1826-0393

1826-1572

1990-1659

1826-1528 1

0410-4009 1

Description	Mfr	Mfr Part Number
	Code
IC OP AMP LOW-BIAS-H-IMPD DUAL 8 PIN	01295	TL072ACD
OPTO-ISOLATOR LED-PTRIAC IF=50mA-max		MCP3020Z
OPTO-ISOLATOR LED-PTRIAC IF=50mA-max	12601	MCP3020Z
IC COMPARATOR PRCN DUAL 8PIN PLSTC	01295	LM393D
IC PWR MGT-V-REG-ADJ-NEG 1.2/37V 3PINS	27014	LM337T
IC PWR MGT-V-REG-ADJ-POS 1.2/37V 3PINS		LM317T
IC PWR MGT-V-REG-ADJ-POS 1.2/37V 3PINS	27014	LM317T
IC OP AMP LOW-BIOS-H-IMPD QUAD 14PIN	01295	TL074D
IC PWR MGT-V-REG-ADJ-POS 1.2/37V 3PINS	27014	LM317T
IC COMPARATOR PRCN DUAL 8PIN PLSTC		LM393D
IC COMPARATOR PRCN DUAL 8PIN PLSTC	01295	LM393D
OPTO-ISOLATOR LED-PTRIAC IF=50mA-max	12601	MCP3020Z
IC COMPARATOR LP QUAD 14PIN PLSTC-SOIC	27014	LM339M
RESONATOR-CERAMIC 12MHz	00830	PBRC-12.0BRN07

110

Image 111

Agilent Technologies E3631A manual 110

Contents

3DUW1XPEHU $SULO Service Guide Flexible system features Convenient bench-top features Front Panel at a Glance Before performing calibration T e Front-Panel Voltage and Current Settings Display Annunciators Rear Panel at a Glance This Book Page Contents Contents Calibration Procedures ServiceTheory of Operation Contents Service Backdating SchematicsReplaceable Parts Contents Specifications Specifications Specifications Performance Specifications Performance Specifications Specifications Performance Specifications Voltage Programming Speed Supplemental Characteristics Specifications Supplemental Characteristics Dimensions of Agilent E3631A Power Supply Specifications Supplemental Characteristics Quick Start Quick Start Enable the outputs To prepare the power supply for useQuick Start To prepare the power supply for use Connect the power cord and turn on the power supply 100 or 115 Vac, 2.5 AT fuse 230 Vac, 2 AT fuse To check the rated voltages of the power supply Quick Start To check the rated voltages of the power supplyTurn on the power supply Check the voltage function for the -25V supply To check the rated currents of the power supply Quick Start To check the rated currents of the power supplyAdjust the voltage limit value to 1.0 volt Check the current function for the -25V supply Check the current function for the +25V supply To use the power supply in constant voltage mode Set the display for the limit modeConnect a load to the desired output terminals Return to the meter mode Adjust the knob for the desired output voltage Quick Start To use the power supply in constant current mode To use the power supply in constant current mode Verify that the power supply is in the constant current mode Adjust the knob for the desired output current To use the power supply in track mode Quick Start To use the power supply in track modeVerify that ±25V supplies track each other properly Quick Start To store and recall the instrument state Set up the power supply for the desired operating stateTurn on the storage mode To store and recall the instrument state Turn on the recall mode Restore the operating stateRecall the stored operating state To rack mount the power supply To rack mount the power supply Quick Start To rack mount the power supply Calibration Procedures Calibration Procedures Calibration Interval Agilent Technologies Calibration Services Recommended Test Equipment Automating Calibration Procedures Test Considerations U t i o n Calibration Procedures Test Considerations Performance Verification Tests Calibration Procedures Performance Verification TestsPerformance Verification Tests Self-Test Measurement Techniques Setup for Most Tests Current-Monitoring Resistor Voltage Programming and Readback Accuracy Constant Voltage Test SetupCalibration Procedures Constant Voltage CV Verifications Constant Voltage CV Verifications MEASVOLT? P6VP25VN25V CV Load Regulation CV Line Regulation Normal Mode Voltage Noise CV Ripple and Noise Common Mode Current Noise Load Transient Response Time Current Programming and Readback Accuracy Constant Current Test SetupCalibration Procedures Constant Current CC Verifications Constant Current CC Verifications MEASCURR? P6VP25VN25V CC Load Regulation CC Line Regulation Normal Mode Current Noise CC Ripple and Noise CV Performance Test Record Performance Test Record for Agilent E3631A CC Performance Test Record Calibration Security Code Calibration Procedures Calibration Security Code To Unsecure the Power Supply for Calibration Turn on the front-panel calibration modeMove to the security code by pressing the Secure key Unsecured Turn off the calibration mode To Unsecure the Power Supply Without the Security Code Calibration Procedures Calibration Count Calibration CountCalibration Message General Calibration/Adjustment Procedure Cal mode Hi +5.7000v Lo +0.100 a Lo +0.099 aHi +4.750 a Hi +4.999 a Cal setup Aborting a Calibration in Progress Calibration Procedures Aborting a Calibration in Progress Calibration Record for Agilent E3631A Calibration Procedures Calibration Record for Agilent E3631A Self-Test Error Messages Error MessagesCalibration Procedures Error Messages System Error MessagesPage Calibration Program Calibration Procedures Calibration Program END if Output Calibration Procedures Calibration Program Theory of Operation Theory of Operation Theory of Operation Block Diagram Overview Block Diagram Overview Block Diagram Theory of Operation AC Input and Bias Supplies AC Input and Bias Supplies Theory of Operation Floating Logic Floating Logic Serck Xfpsk Theory of Operation To-A Converter To-A Converter Theory of Operation To-D Converter To-D Converter Theory of Operation Power Mesh and Control Power Mesh and Control Theory of Operation Power Mesh and Control Earth-Referenced Logic Front PanelTheory of Operation Earth-Referenced Logic Service Service Service Operating Checklist Operating ChecklistIs the Power Supply Inoperative? Does the Power Supply Fail Self-Test? Express Exchange U.S.A. only Types of Service AvailableStandard Repair Service worldwide Service Types of Service Available Repacking for Shipment Service Repacking for Shipment Surface Mount Repair Electrostatic Discharge ESD PrecautionsTo Replace the Power-Line Fuse Service Electrostatic Discharge ESD Precautions Unit is Inoperative Troubleshooting HintsUnit Reports Errors 740 to Service Troubleshooting Hints Bias Supplies Problems Complete Self-Test Self-Test ProceduresPower-On Self-Test Service Self-Test Procedures 100 101 Service Self-Test Procedures 102 Replaceable Parts To Order Replaceable Parts E3631-60002 Top PCB Assembly 106 107 108 109 110 CR1 CR2 E3631-60003 VFD Assembly E3631-60004 Bottom PCB Assembly E3631-60004 Bottom PCB Assembly 113 114 115 E3631-60005 Power SupplyAssembly E3631-60005 Front Frame Assembly Manufacturer’s List Manufacturer’s List 118 Backdating Lqfoxghglqwklvfkdswhu Schematics ‡ $&DQG$&6FKHPDWLFSDJH ‡ &RPSRQHQW/RFDWRUSDJHPage Page Page Page Page Page Page Page Page Page Warranty