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Keysight E4980A/E4980AL Precision LCR Meter
Service Guide
1 General Information
This Service Guide is a guide to servicing the E4980A & E4980AL 20Hz to
300kHz/ 500kHz/ 1MHz/ 2MHz Precision LCR Meter. The Service Guide
provides information about performance test, adjustment, troubleshooting,
and repairing the instrument.
Organization of Service Guide
Tabs are used to divide the major chapter and appendix of this manual. The
contents of each chapter and appendix in this manual as follows.
• Chapter 1, “General Information.”
This Service Guide is a guide to servicing the E4980A & E4980AL 20Hz to
300kHz/ 500kHz/ 1MHz/ 2MHz Precision LCR Meter. The Service Guide
provides information about performance test, adjustment, troubleshooting,
and repairing the instrument.
• Chapter 2, “Performance Test.”
This chapter provides the outline of the E4980A/ E4980AL performance
tests.
• Chapter 3, “Adjustment.”
This chapter provides the adjustment information for the E4980A/ E4980AL
to ensure that it is within its specifications. The adjustment must be
performed Keysight’s qualified service personnel. If you need the
adjustment for your E4980A/ E4980AL, it should be sent to the nearest
Keysight Technologies service office.
• Chapter 4, “Troubleshooting.”
This chapter provides the procedure to isolate a faulty assembly in the
E4980A/ E4980AL.
• Chapter 5, “Replaceable Parts.”
This chapter contains information for ordering replacement parts for the
E4980A/ E4980AL.
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