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SAFETY INSTRUCTION
WARNING
: BEFORE SERVICING THIS CHASSIS, READ
THE "X-RAY RADIATION PRECAUTION", "SAFETY
PRECAUTION" AND "PRODUCTION SAFETY NOTICE"
BELOW.
X-RAY RADIATION PRECAUTION
1. Excessive high voltage can produce potentially hazard
ous X-RAY RADIATION. To avoid such hazards,
the high voltage must not exceed the specified limit
The nominal value of the highvoltage of this receiver is
23-25KV(14"),25-28KV(20") at max. beam current. The
high voltage must not,under any circumstances,
exceed 26KV (14"),30KV (20"). Each time a receiver
requires servicing,the high voltage should be checked.
It is recommended the reading of the high voltage be
recorded as a part of the service records, It is important
to use an accurate and reliable high voltage meter.
2. The only source of X-RAY radiation in this TV receiver
is the picture tube. For continuous X-RAY RADIATION
protection, the replacement tube must be exactly the
same type tube as specified in the parts list.
SAFETY PRECAUTION
1. Potentials of high voltage are present when this
receiver is operating. Operation of the receiver outside
the cabinet or with the back board removed involves a
shock hazard from the receiver.
1) Servicing should not be attempted by anyone who is
not thoroughly familiar with the precautions necesary
when working on high voltage equipment.
2) Always discharge the picture tube before handling the
tube. The picture tube is highly evacuated and if
briken, glass fragments will be violently expelled.
2. If any fuse in this TV receiveris blown, replace it with
the FUSE specified in the Replacement Parts list.
3. When replacing a high wattage resistor ( metal oxide
film resistor ) in circuit board, keep the resistor 10mm
away from circuit board.
4. Keep wires away from high voltage or high temperature
components.
5. This receiver must operate under AC260 volts, 50Hz.
NEVER connect to DC supply or any other power or
frequency.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this have special
safety-related characteristics.
These characteristics are often passed unnoticed by a
visual inspection and the X-RAY RADIATION protection
afforded by them cannot necessarily be obtained by using
replacement components rated for higher voltage, watt-
age,etc. Replacement parts which have these special
safety characteristics are identified in this manual and its
supplements, electrical components having such features
are identified by designated symbol on the parts list.
Before replacing any of these components,read the parts
list in this manual carefully.
The use of substitute replacement parts which do not have
the same safety characteristics as specified in the parts
list may create X-RAY Radiation.