External Receptacles, meter glass, knobs, controls, and switches for proper action,
cables for cuts, cracks or fraying external hardware, rust and corrosion.
Clean exterior surfaces, remove dirt, grease end fungus, rust and corrosion. Apply touchup
Repair through replacement of burned out fuse, defective knobs and switches.
Loose or missing hardware check switches, controls, connections and PC boards.
Replace missing or defective hardware.
Voltage & resistance measurements, voltage accuracy
Voltage and ripple tests.
Output voltage adjustments.
Noise, Voltage and Waveshape Tests.