6
SAFETY PRECAUTIONS
LEAKAGE CURRENT CHECK
CAUTION
Please heed the following cautions and instructions during servicing and
inspection.
◎
Heed the cautions!
Cautions which are delicate in particular for servicing
described in the handling instructions.
◎
Cautions concerning electric shock!
(1) An AC
you touch internal metal parts when the set is
transformer and wearing gloves when servicing
extra care when the set is energized.
◎
Caution concerning disassembly and
assembly!
Wear gloves to protect your hands.
◎
Use only designated parts!
parts which have the same properties for replacement.
the important safety parts that are indicated by the
z
use the designated parts.
◎
Be sure to mount parts and arrange the wires
as they were originally placed!
away from the surface of printed circuit boards.
Care is also taken with the positions of the wires by
arranging them and using clamps to keep them away
everything back as it was originally placed.
◎
Make a safety check after servicing!
disconnected when servicing have been put back in
insulation check on the external metal connectors and
check that safety is ensured.
(Insulation check procedure)
the insulation resistance value between the inplug and
d
repaired.
Many of the electric and the structural parts used in
the set have special safety properties. In most cases
the use of replacement parts with higher ratings (rated
power and withstand voltage) does not necessarily
guarantee that safety performance will be preserved.
Parts with safety properties are indicated as shown
below on the wiring diagrams and the parts list in this
which have the designated part number.
(1) Schematic diagrams .......Indicated by the
z
mark.
(2) Parts lists .......Indicated by the
z
mark.
designated parts could cause electric
situations.
CAUTION
Concerning important safety
parts
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