Vintage HP 4194A "Bridge Unbalanced" repair and analysis

I was given a broken HP4194A Impedance / Gain Phase Analyser with the dreded Bridge Unbalanced error and repaired it. This is a recap of that repair with explenation of what the error means and how I debugged it. Detailed Teardown by Thomas Scherrer here:    • HP 4194A Impedance Gain Phase Analyzer tes...   ------------------------------------------------------------------------------------------------------------------------ My Website: https://tmax-electronics.de Also Visit the HV Forums: https://highvoltageforum.net/