Summary of Teardown, Analysis and Repair of an Agilent E4407B ESA-E Spectrum Analyzer
The video explores the diagnosis and repair of an Agilent (Keysight) E4407B ESA-E Spectrum Analyzer, which displays an "Unlock LO" error preventing internal alignment. The repair process involves a critical firmware update requiring installation of additional flash memory ICs. The teardown highlights the main processor board and its key components, providing insight into the device's internal architecture and repair steps.
Parts used in the Agilent E4407B ESA-E Spectrum Analyzer Repair:
- Additional flash memory ICs
- Main processor board
- Various integrated circuits on processor board
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 installation of additional flash memory ICs which is presented in the video. The main processor board with its various components are also described in the video.
For mroe detail: Teardown, Analysis and Repair of an Agilent E4407B ESA-E Spectrum Analyzer