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Agilent Technologies 4263B LCR User Manual

Agilent Technologies 4263B LCR
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Agilent
4263B LCR
Meter
Service Manual
SERIAL
NUMBERS
This
manual
applies
directly
to
instruments
with
serial number
prex JP1KD
.
F
or
additional
important
information
about
serial
numbers,
read
\Instruments
Covered
by
This
Manual"
in
Chapter
1of
this manual.
Agilent Part No. 04263-90033
Printed in JAPAN June 2000

Table of Contents

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Agilent Technologies 4263B LCR Specifications

General IconGeneral
TypeLCR Meter
Frequency Range100 Hz to 100 kHz
Frequency100 Hz, 120 Hz, 1 kHz, 10 kHz, 100 kHz
Basic Accuracy0.1%
DisplayLCD
Measurement ParametersL, C, R, D, Q, θ
InterfaceGPIB

Summary

Safety Summary

Ground The Instrument

Ensures instrument chassis and cabinet are connected to safety earth ground via power cable with earth blade.

Do Not Operate In An Explosive Atmosphere

Prohibits operating the instrument in the presence of flammable gasses or fumes for safety.

Keep Away From Live Circuits

Advises against removing covers and emphasizes disconnecting power before touching circuits.

Do Not Service Or Adjust Alone

Recommends having a second person present when performing internal service or adjustments.

Do Not Substitute Parts Or Modify Instrument

Warns against installing substitute parts or performing unauthorized modifications due to hazard introduction.

Dangerous Procedure Warnings

Highlights potentially dangerous procedures that require following specific instructions.

Warranty

Limitation Of Warranty

Specifies conditions under which the warranty does not apply, such as improper maintenance or misuse.

Assistance

Safety Symbols

Documentation Map

Operation Manual

Explains specifications, measurement explanations, and how to verify conformance to published specifications.

Service Manual

Explains how to adjust, troubleshoot, and repair the 4263B.

How To Use This Manual

Introduces the Service Manual and its four-chapter structure for adjustments and repair.

Chapter 1 General Information

Provides general information for servicing the 4263B, including recommended equipment.

Chapter 2 Adjustments

Details adjustments required to ensure the 4263B meets specifications after repair.

Chapter 3 Assembly Replacement

Offers information on replacing 4263B assemblies and lists replaceable parts.

Chapter 4 Troubleshooting

Provides troubleshooting information for the 4263B, including theory of operation.

Appendix A Manual Changes

Contains information to adapt the manual to earlier versions or configurations of the 4263B.

Appendix B Default Jumper and Switch Settings

Describes jumper and switch settings on the A2 CPU Board Assembly for replacement.

General Information

Introduction

Provides information on instruments covered by this manual and required equipment for adjustments and troubleshooting.

Instruments Covered by This Manual

Explains the serial number format and its significance for manual applicability.

Required Equipment

Adjustments

Introduction

Describes adjustments for ensuring specifications after repair or performance test failures.

Safety Consideration

Highlights safety notes, cautions, and warnings for safe operation and maintenance.

Required Equipment

Lists the necessary equipment for performing adjustments.

Adjustment Tools

Adjustable Components

Factory-Selected Components

EEPROM Write Protect Switch

Related Adjustments

Adjustment Program

INITIAL SETUP

Signal Source Level Adjustment

Impedance Measurement Om Adjustment

Impedance Measurement 1m Adjustment

Impedance Measurement 2m Adjustment

Impedance Measurement 4m Adjustment

Rewrite EEPROM

Program Installation

Making a Working Copy

Defining the Configuration

Program Execution

Adjustments Procedure References

Signal Source Level Adjustment

Updates signal source level adjustment data in EEPROM to the set value.

Equipment

Lists equipment required for Signal Source Level Adjustment.

Setup

Details the setup for obtaining signal source level adjustment data.

Impedance Measurement Om Adjustment

Equipment

Lists equipment for Impedance Measurement Om Adjustment.

Setup

Details the setup for obtaining impedance measurement adjustment data for 0m test leads.

Impedance Measurement 1m Adjustment

Equipment

Lists equipment for Impedance Measurement 1m Adjustment.

Setup

Details the setup for obtaining impedance measurement adjustment data for 1m test leads.

Impedance Measurement 2m Adjustment

Impedance Measurement 4m Adjustment

Assembly Replacement

Introduction

Provides replaceable parts lists and disassembly procedures for major assemblies.

Ordering Information

Details how to order parts, including part numbers and quantities.

Restored Exchange Assemblies

Explains the availability and warranty of restored replacement assemblies.

Replacing the A2 CPU Board Assembly

Replaceable Assembly List

Replaceable Mechanical Parts List

Disassembly Procedures

Caution

Warns about susceptibility to ESD damage and requires a static-safety workstation.

Tools and Fasteners

Describes tools and fasteners required for disassembly, noting Pozidrive type.

Cover Removal

Provides the common procedure for gaining access to assemblies by removing the cover.

A1 Main Board Removal

A2 CPU Board Assembly Removal

A5 AC Inlet Board Assembly Removal

Keyboard Assembly Removal

LCD Assembly Removal

BNC Connector Removal

Troubleshooting

Introduction

Provides assembly-level troubleshooting information, including theory of operation.

Safety Considerations

Lists warnings and cautions for protection and to prevent equipment damage.

Required Equipment

Lists the equipment required for troubleshooting.

After Service Product Safety Checks

Theory of Operation

Overall Measurement Theory

Explains how the 4263B measures impedance using vector voltage to current ratio.

Overall Block Diagram

Analog Section

Signal Source Section

Transducer Section

Vector Ratio Detector Section

Transformer Parameter Measurement (Option 001 only)

Digital Section

Power Supply Section

Troubleshooting Flowchart Guidance

Check Procedure References

Check 1, DC-DC Converter Output Voltage

Checks DC-DC converter output voltages against specified ranges using test pads.

Check 2, LCD Displays Anything?

Check 3, LCD Operates Correctly?

Check 4, Any Error Message on LCD?

Check 5, CPU Related Error Message?

Check 6, CPU Power LED Lights?

Check 7, Any Error Code on LED?

Check 8, CPU Fuse High Lead Voltage

Check 9, Fuse and Line Switch

Check 10, DC-DC Converter Input Voltage

Check 11, DC-DC Converter Open Output Voltages

Check 12, Transformer Secondary Voltage

Manual Changes

Introduction

Explains how to adapt the manual to earlier versions or configurations of the 4263B.

Manual Changes

Guides users to Table A-1 for making specific manual changes based on instrument serial number.

Default Jumper and Switch Settings

Introduction

Describes jumper and switch settings on the A2 CPU Board Assembly for replacement.

Jumper and Switch Settings

Shows default jumper and switch settings for the A2 CPU Board Assembly.

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