Panasonic AG-DVC30P Service Manual page 5

SAFETY PRECAUTIONS
GENERAL GUIDELINES
1. When servicing, observe the original lead dress. If a short / circuit
is found, replace all parts, which have been over-heated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as
insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to
prevent the customer from being exposed to shock hazards.
LEAKAGE CURRENT COLD CHECK
1. Unplug the AC cord and connect a jumper between the two
prongs on the plug.
2. Measure the resistance value, with an ohm meter, between the
jumpered AC plug and each exposed metallic cabinet part on the
equipment such as screwheads, connectors, control shafts, etc.
The resistance value must be more than 5M
LEAKAGE CURRENT HOT CHECK (See Figure 1)
1. Plug the AC cord directly into the AC outlet. / Do not use an
isolation transformer for this check.
Figure1
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