LG Electronics L1733TR, L1933TR service manual Precaution, Warning For The Safety-Relatedcomponent

Models: L1733TR L1933TR

1 35
Download 35 pages 46.49 Kb
Page 3
Image 3
PRECAUTION

PRECAUTION

WARNING FOR THE SAFETY-RELATED COMPONENT.

• There are some special components used in LCD monitor that are important for safety. These parts are

marked on the schematic diagram and the

replacement parts list. It is essential that these critical parts should be replaced with the manufacturer’s specified parts to prevent electric shock, fire or other hazard.

Do not modify original design without obtaining written permission from manufacturer or you will void the original parts and labor guarantee.

TAKE CARE DURING HANDLING THE LCD MODULE WITH BACKLIGHT UNIT.

Must mount the module using mounting holes arranged

 

in four corners.

Do not press on the panel, edge of the frame strongly

 

or electric shock as this will result in damage to the

WARNING FOR THE SAFETY-RELATED COMPONENT. WARNING

BE CAREFUL ELECTRIC SHOCK !

If you want to replace with the new backlight (CCFL) or inverter circuit, must disconnect the AC adapter because high voltage appears at inverter circuit about 650Vrms.

Handle with care wires or connectors of the inverter circuit. If the wires are pressed cause short and may burn or take fire.

Leakage Current Hot Check Circuit

AC Volt-meter

screen.

• Do not scratch or press on the panel with any sharp

To Instrument’s exposed

Good Earth Ground such as WATER PIPE, CONDUIT etc.

 

objects, such as pencil or pen as this may result in

 

damage to the panel.

• Protect the module from the ESD as it may damage the

 

electronic circuit (C-MOS).

Make certain that treatment person’s body are

 

grounded through wrist band.

Do not leave the module in high temperature and in

 

areas of high humidity for a long time.

• The module not be exposed to the direct sunlight.

• Avoid contact with water as it may a short circuit within

 

the module.

• If the surface of panel become dirty, please wipe it off

 

with a softmaterial. (Cleaning with a dirty or rough cloth

 

may damage the panel.)

marked on the schematic diagram and the CAUTION

Please use only a plastic screwdriver to protect yourself from shock hazard during service operation.

METALLIC PARTS

1.5 Kohm/10W

Copyright 2007 LG Electronics. Inc. All right reserved.

LGE Internal Use Only

Only for training and service purposes

- 3 -

 

Page 3
Image 3
LG Electronics L1733TR Precaution, Warning For The Safety-Relatedcomponent, marked on the schematic diagram and the