Canon Canovision8 E50E Service Manual page 165

SAFETY PRECAUTIONS
The following precautions should be observed when servicing.
Critical parts are marked with A\ in the schematic diagrams.
5-1 Leakage Current Cold Check
5-2 Leakage Current Hot Check
4) Check ali exposed metallic parts of the cover (Cable connection, Handle bracket,
metallic cabinet. Screwheads, Metallic overlays, etc}, and measure the voltage
at each point.
5) Reverse the AC plug in the AC outlet and repeat each of the above measurements.
AC VOLTMETER &
Water pipe
{Earth Ground}
AC OUTLET
Figure 1. Leakage Current Hot Check
-