Safety Instruction
WARNING: Before servicing this chassis, read the OX-RAY RADIATION precaution�, Osafety precaution�
and Oproduct safety notice� below.
X-RAY RADIATION PRECAUTION
1. Excessive high voltage can produce potentiallyvoltage should be checked. It is recommended
hazardous X-RAY RADIATION.To avoid suchthe reading of the high voltage recorded as a part
hazards, the high voltage must not exceed theof the service records. it is important to use an
specified limit. The nominal value of the highaccurate and reliable high voltage meter.
voltage of this receiver is 23-24kv(14�), 26-2. The only source of X-RAY Radiation in this TV
27kv(20�, 21�) at max beam current. The highreceiver is the picture tube. For continuous
voltage must not, under any circumstances,RADIATION protection, the replacement tube
exceed 27.5kv (14", 20�), 29.0kv(21�).must be exactly the same type tube as specified
Each time a receiver requires servicing, the highin the parts list.
SAFETY PRECAUTION
1. Potentials of high voltage are present when this2. If any Fuse in this TV receiver is blown, replace it
receiver is operating. Operation of the receiverwith the FUSE specified in the Replacement
outside the cabinet or with the back coverParts List.
removed involves a shock hazard from the3. When replacing a high wattage resistor(oxide
receiver.metal film resistor) in circuit board, keep the
1) Servicing should not be attempted by anyone resistor 10mm away from circuit board.
who is not thoroughly familiar with the 4. Keep wires away from high voltage or high
precautions necessary when working on high-temperature components.
voltage equipment.5. This receiver must operate under AC260 volts,
2) Always discharge the picture tube to avoid the 50Hz/60Hz. (AC 100~250 volts, 50/60Hz)NEVER
shock hazard before removing the anode cap.connect to DC supply or any other power or
3) Discharge the high potential of the picture tube frequency.
before handling the tube. The picture tube is
highly evacuated and if broken, glass
fragments will be violently expelled.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in thisprotection afforded by them cannot necessarily be
chassis have special safety-related characteristics.obtained by using replacement components rated
These characteristics are often passed unnoticedfor higher voltage, wattage, etc.
by a visual inspection and the X-RAY RADIATION
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ACEC
