Teardown, Repair & Experiments with the Anritsu 37347A 20GHz Vector Network Analyzer

https://www.electronics-lab.com/teardown-repair-experiments-with-the-anritsu-37347a-20ghz-vector-network-analyzer/

In this episode Shahriar repairs an Anritsu 37347A 20GHz Two-Port Network Analyzer. The unit does not boot up and as a result its internal state is unknown. The boot fault is traced to a bad RTC module which has a built-in integrated battery. A replacement unit is located which allows the unit to fully boot. […]