Keithley 775A Programmable Counter TCXO Repair
In my last post, I did a teardown of the Keithley 775A programmable counter/timer. And while feeding a 10 MHz […]
HP 8566B Spectrum Analyzer “YTO Unlock” Repair
While I was making a video on how to use HP 8671A as the frequency reference for an improved version […]
HP 8620C Sweep Generator Repaired
In my previous post, I did a teardown of an HP 8620C sweep generator along with an HP 86245A 5.9 […]
Epson PowerLite 84 Multimedia Projector Teardown and Repair
I recently was given a broken Epson PowerLite 84 projector. The projector would not turn on when plugged in and […]
Lambda LQ-521 Power Supply Teardown and Repair
I bought a non-working Lambda LQ-521 linear power supply on eBay a couple of weeks ago. Usually I avoid knowingly […]