Safety Precautions; Important Safety Notice - Panasonic Omnivision VHS PV-V402 Service Manual

2001 Matsushita Kotobuki Electronics Industries Ltd. All rights
reserved. Unauthorized copying and distribution is a violation of law.

1. SAFETY PRECAUTIONS

GENERAL GUIDELINES

1. IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are
important for safety. These parts are marked by
Diagrams, Circuit Board Layout, Exploded Views and Replacement
Parts List. It is essential that these critical parts should be replaced
with manufacturer's specified parts to prevent shock, fire or other
hazards. Do not modify the original design without permission of
manufacturer.
2. An Isolation Transformer should always be used during the servicing
of VCR whose chassis is not isolated from the AC power line. Use a
transformer of adequate power rating as this protects the technician
from accidents resulting in personal injury from electrical shocks. It
will also protect VCR from being damaged by accidental shorting that
may occur during servicing.
3. When servicing, observe the original lead dress. If a short circuit is
found, replace all parts which have been overheated or damaged by
the short circuit.
4. After servicing, see to it that all the protective devices such as
insulation barriers, insulation papers shields are properly installed.
5. 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 ohmmeter, between the
jumpered AC plug and each exposed metallic cabinet part on the
2
in the Schematic