Hitachi RAS-25WX8 Manuel De Maintenance page 136

TROUBLE SHOOTING
MODEL RAC-25WX8, RAC-35WX8
PRECAUTIONS FOR CHECKING
WARNING
Remember that
voltage of 175 V is
applied to the 0V line
on the P.W.B. or the
like as shown in the
right diagram.
WARNING
When using an
oscilloscope, never
ground it.
Don't forget that high
voltage as noted in
the figure above may
apply to the
oscilloscope.
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Power
inlet
Always keep your hands
and metallic things away
from the cabinet.
– 135 –
DANGER!
Don't install
the ground
line.