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X-radiation
-
TUBE:
The
primary
source
of X-
radiation
in this receiver
is the picture tube. The tube
utilized
for the above
mentioned
function
in this
chassis
is speciaHy
constructed
to limit X-radiation
emissions.
For continued
X-radiation
protection,
the replacement
tube must be the same type as the original,
Hitachi
approved
type.
When
troubleshooting
and making
test measure-
ments in a receiver
with a problem
of excessive
high
voltage,
avoid being
unnecessarily
close to the pic-
ture tube and the high voltage
component.
Do not operate
the chassis
longer than is necessary
h. X-radiation
Shield
-
1. This receiver
is provided
with X-ray shield plates
for protection
against
X-radiation.
Do not remove
X-ray shield plates A, 6, C, or D shown
in Fig. 1
unnecessarily,
when
troubleshooting
and/or
making test measurements.
2. To prevent
X-radiation,
after
replacement
of
picture tube and lens, confirm
these components
to be fixed correctly
to bracket
and cabinet,
and
not to be taken off easily.
Shield
Plate C
Shield
Plate A
C
Fig. 1. Detailing
X-radiation
Shield
5
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