Agilent 4294A Analyzer
Precision Impedance Analyzer
8.89 Mbytes (9322780 Bytes)
01 January 2007
Electronic document, no scan, very well readable.
08 January 2019
Organization of Service Manual
This manual consists of the major chapters listed below. This section
describes the names
the chapters and the content of each chapter.
Performance Test provides procedures for performance testing the 4294A
Adjustment provides procedures for adjusting the 4294A
after repair or
an assembly. Most of the adjustments update the correction constants stored
EEPROM on the A1 CPU. The correction constants are updated by using the
Troubleshooting provides troubleshooting procedures to isolate any faulty
group or faulty assembly. Faulty assembly isolation procedures for the faulty
group follow this chapter.
Troubleshooting provides troubleshooting procedures to isolate
faulty assembly within the Power supply
Digital Control Troubleshooting provides troubleshooting procedures to
faulty assembly within the digital control functional group.
Service Related Menus documents the functions of the menus accessed from
DIAGNOSTIC TEST. These menus are used to test, verify, and troubleshoot
Theory of Operation explains the overall operation of the 4294A
functional groups, and the operation of each functional group.
Parts Replacement provides part numbers and illustrations of the replaceable
assemblies and miscellaneous chassis parts. This chapter also provides
disassemble portions of the Analyzer
when certain assemblies have to be
Post Repair Procedures contains the table of related service procedures. It is
a table of
adjustments and verification procedures to be performed after repair or
Appendices contains manual change information (required to make this
compatible with earlier shipment configurations of the analyzer), power
and error messages of the Analyzer