EEVblog #777 - Keithley 177 Microvolt DMM Repair

Come on a ride as Dave repairs an intermittent Keithley 177 Microvolt DMM, garden paths and all. Service manual & Schematic: Datasheet: 555 Timer T-Shirt: Negative Feedback T-Shirt in the EU: Forum: #msg725852 EEVblog Main Web Site: The 2nd EEVblog Channel: Support the EEVblog through Patreon! EEVblog Amazon Store (Dave gets a cut): T-Shirts: Donations: Projects: Electronics Info Wiki: Теги: Keithley Instruments (Business Operation),dmm,multimeter,repair,how to,tutorial,measurement,schematic,procedure,keithley,microvolt,pcb,technique,switches,lubrication,cleaning