Teardown, Analysis and Repair of an Agilent E4407B ESA-E Spectrum Analyzer

https://www.youtube.com/watch?v=gb1QMJtwumQ&feature=em-subs_digest In this episode Shahriar takes a detailed look at an Agilent (Keysight) E4407B ESA-E Spectrum Analyzer. The instruments reports an “Unlock LO” error message which prevents internal alignments from being performed. Before the repair process can begin, the firmware of the instrument must be updated. The firmware upgrade requires the instal ...

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