NEC MultiSync V520 Service Manual page 2

The SERVICE PERSONNEL should have the appropriate technical training knowledge
and experience necessary to :
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Be familiar with specialized test equipment, and
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Be careful to follow all safety procedures associated with high voltage CRT circuit
designs to minimize danger to themselves and their coworkers.
To avoid electrical chocks, this equipment should be used with an appropriate power
cord and be connected only to a properly grounded AC outlet
This equipment utilized a micro-gap power switch. Turn off the monitor by first pushing
the front panel power switch. Next, remove the power cord from the AC outlet.
To prevent fire or shock hazards, do not expose this unit to rain or moisture
This symbol warns the personnel that un-insulated voltage within the unit may
have sufficient magnitude to cause electric shock.
This symbol alerts the personnel that important literature concerning the
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operation and maintenance of this unit has been included.
Therefore, it should be read carefully in order to avoid any problems.
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PRODUCT SAFETY CAUTION
1. When parts replacement is required for servicing, always use the manufacturer's specified
replacement.
2. Comply with all caution and safety-related notes on the product display chassis and picture tube.
3. When replacing the component, always be certain that all the components are put back in the
place.
4. When servicing display monitor unit, it is required that the provided lead dress is used in the high
voltage circuit area.
5. It is also recommended that shatter proof goggles are worn, when removing, installing and han-
dling the picture tube. People not equipped with the proper precautionary measures mentioned
should keep the picture tube away from body while handling.
6. As for a connector, pick and extract housing with fingers properly since a disconnection and
improper contacts may occur, when wires of the connector are led.
7. Use a proper screwdriver. If you use screwdriver that does not fit, you may damage the screws.
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W A R N I N G