SAFETY INSTRUCTIONS
NOTE
BEFORE SERVICING THIS CHASSIS, READ THE ?X-RAY RADIATION PRECAUTION?,
?SAFETY PRECAUTION? AND ?PRODUCT SAFETY NOTICE? BELOW.
X-RAY RADIATION PRECAUTION
1. Excessive high voltage can produce potentially haz-reading of the high voltage recorded as a part of
ardous X-RAY RADIATION.To avoid such hazards, the service records. it is important to use an accu-
the high voltage must not exceed the specified limit. rate and reliable high voltage meter.
The nominal value of the high voltage of this receiver is 2. The only source of X-RAY Radiation in this TV
26.5kv(25?), 29.5kv(29?) at max beam current. receiver is the picture tube.
The high voltage must not, under any circumstances, For continuous RADIATION protection, the
exceed 29.0kv (25?), 31.5kv(29?).replacement tube must be exactly the same type
Each time a receiver requires servicing, the high tube as specified in the parts list.
voltage should be checked. It is recommended the
SAFETY PRECAUTION
1. Potentials of high voltage are present when this receiver 2. If any Fuse in this TV receiver is blown, replace it with
is operating. Operation of the receiver outside the cabi-the FUSE specified in the Replacement Parts List.
net or with the back cover removed involves a shock 3. W hen replacing a high wattage resistor(oxide metal film
hazard from the receiver.resistor) in circuit board, keep the resistor 10mm away
1) Servicing should not be attempted by anyone who is from circuit board.
not thoroughly familiar with the precautions necessary 4. Keep wires away from high voltage or high temperature
when working on highvoltage equipment.components.
2) Always discharge the picture tube to avoid the shock 5. This receiver must operate between AC110~250volts,
hazard before removing the anode cap.50Hz/60Hz. NEVER connect to DC supply or any other
3) Discharge the high potential of the picture tube before power or frequency.
handling the tube. The picture tube is highly evac
uated and if broken, glass fragments will be violently
expelled.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this supplements, electrical components having such fea-
chassis have special safety-related characteristics.tures are identified by designated symbol on the parts
These characteristics are often passed unnoticed by list. Before replacing any of these components, read
a visual inspection and the X-RAY RADIATION the parts list in this manual carefully.
protection afforded by them cannot necessarily be The use of substitute replacement parts which do not
obtained by using replacement components rated for have the same safety characteristics as specified in
higher voltage, wattage, etc. the parts list may created X-RAY Radiation.
Replacement parts which have these special safety
characteristics are identified in this manual and its |
ACEC
