TY-FB7SD - Panasonic TV Service Manual (repair manual). Page 8

 

1.  Unplug the AC cord and connect a jumper between the two prongs on the plug.

2.  Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each 

exposed metallic cabinet part on the equipment such as screwheads, connectors, control shafts, 
etc. When the exposed metallic part has a return path to the chassis,the reading should be 
between 1M

Ω

 and 5.2M

Ω

.

When the exposed metal does not have a return path to the chassis, the reading must be 

.

Figure 1