Cleaning And Maintenance; Common Phenomena Of The Tv Panel - Hitachi L42EC05AU User Manual

Cleaning and Maintenance

CAUTION
Disconnect the power plug from the wall socket
outlet before cleaning the product.
Cleaning the TV Panel
Wipe the TV panel with a dry lint-free cloth in
order to prevent damage to the panel surface.
In case of greasy dirt, wipe gently with a lint-free
cloth slightly moistened with water.
Do not use a chemical cloth or spray cleaner. It
may cause discolouration and damage to the
panel surface.
Do not use a dusty or hard cloth and rub the
screen hard. It may cause scratches on the
panel surface.

Common Phenomena of the TV Panel

The followings are the common phenomena when operating the TV panel. This is a structual property of
the TV panel that is adapted to the industry standards and will have no impact on the performance of the
product.
Defective Spots on TV Panel
The TV panel is manufactured with high-
precision technology. It consists of large
number of pixels. However, some of them may
appear constantly on the screen as black spots,
brilliant spots of light (red, green or blue) and/or
illuminated spots (pixel of white colour).
Residual Image
When a still image or On Screen Display menu
is displayed on the screen for a short time
(about a minute) and then switched to another
image, it may leave an "after-image" on the
screen. The residual image will disappear on
its own.
Important Safety Instructions
Cleaning the Cabinet
Wipe the cabinet with a lint-free cloth. In case
of heavy dirt, wipe with a soft cloth slightly
moistened with water.
Do not use a dusty cloth and rub the cabinet
surface. It may cause scratches on the cabinet
surface.
Do not use chemicals such as benzene, thinner
or other chemical products. Do not spray
volatile solutions such as insecticide over the
cabinet. Using these chemicals may result in
cabinet material degradation or coating removal.
Do not leave the cabinet in prolonged contact
with plastic or rubber materials. It may cause
cabinet material degradation or coating removal.
Surface on TV Panel
The TV panel is made with fine processing
glass. Therefore do not impact strongly on the
panel surface as this may cause damage to it.
The Usage Under Low Temperature
Environment
Due to the structual characteristics of the TV
panel, the response speed of the TV panel
becomes slower when the ambient temperature
around the panel becomes too low. In some
cases, it may cause the residual image. The
residual image will disappear on its own as the
temperature goes up and back to normal.
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