ViewSonic VA521 Manuel de service télécharger pdf (Page 4)

This monitor is manufactured and tested on a ground principle that a user's safety comes first. However, improper

WARNINGS before installing and keep this guide handy.

WARNINGS

This monitor should be operated only at the correct power sources indicated on the label on the rear end of the monitor.

If you're unsure of the power supply in your residence, consult your local dealer or power company.

Do not try to repair the monitor your self as it contains no user-serviceable parts. This monitor should only be

repaired by a qualified technician.

Do not remove the monitor cabinet. There are high-voltage parts inside that may cause electric shock to human

bodies, even when the power cord is unplugged.

Stop using the monitor if the cabinet is damaged. Have it checked by a service technician.

Put your monitor only in a clean, dry environment. If it gets wet, unplug the power cable immediately and

consult your service technician.

Always unplug the monitor before cleaning it. Clean the cabinet with a soft, dry cloth. Apply non-ammonia

based cleaner onto the cloth, not directly onto the glass screen.

Keep the monitor away from magnetic objects, motors, TV sets, and transformer.

Do not place heavy objects on the monitor or power cord.

1.2 PRODUCT SAFETY NOTICE

Many electrical and mechanical parts in this chassis have special safety visual inspections and the protection

afforded by them cannot necessarily be obtained by using replacement components rated for higher voltages,

wattage, etc. 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 shock, fire, or other hazards.

1. Precautions and Safety Notices

1.1 SAFETY PRECAUTIONS

use or installation may cause damage to the monitor as well as to the user. Carefully go over the following

1.3 SERVICE NOTES

When replacing parts or circuit boards, clamp the lead wires around terminals before soldering.

When replacing a high wattage resistor (more than 1W of metal oxide film resistor) in circuit board, keep the

resistor about 5mm away from circuit board.

Keep wires away from high voltage, high temperature components and sharp edges.

Keep wires in their original position so as to reduce interference.

For usage of this product please also refer to the user's manual.

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ViewSonic VA521 Manuel de service Page 4