Kristel 1428-30k series, Service Manual

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IMPORTANT
Do not check high voltage by drawing an arc. Use a high voltage meter or a high
voltage probe with a digital voltage meter.
When service is required, observe the original lead dress. Extra precaution should be
given to assure correct lead dress in high voltage circuit area. Where a short circuit has
occurred, those components that indicate evidence of overheating should be replaced.
Always use original components.
NOTE:
Make sure to turn power swich off before making the connection to the Anode
Button.
WARNING
X-RADIATION. Operation of this color monitor under normal conditions will not exceed the
0.5 mR/h iso-exposer-rate. Be sure that the anode voltage and other tube voltages are
adjusted to the recommended values.
SHOCK HAZARD. To remove any residual charge, short the anode contact button,
located in the funnel of the tube, to the external conductive coating before handling the tube.
TUBE HANDLING. Tube assembly should never be handled by the tube neck, deflection
yoke or other neck components. If suspending the tube assembly from the mounting lugs, en-
sure that a minimum of two are used.
Under no circumstances suspend the tube assembly from one lug.
To protect the screen when placing the tube face-down, ensure that the tube face rests on a
cushion kept free from abrasive substances / or foreign parts.
TUBE REPLACEMENT. This monitor tube incorporates integral X-radiation and implosion
protection and must be replaced with the same type number or recommended replacement
to assure continued safety.
pg.4
1428-30k series