OtherTips; Before Calling For Service; About Plasma Display Panel - Orion MIS-4220 User Manual

MIS-4220 / MIS-4220R / MIS-4230
7. Other tips

7.1. Before calling for service

Before calling for any repair, check the following and then refer to a near A/S center.
▶"Tick" sound from the main body.
y
If there is no problem with the screen or sound, the "tick" sound is likely to result
from the cabinet lightly shrinking with the change of room temperature. The sound
does not affect product's performance.
▶no image at upper and lower part of the screen.
y As for a screen which is over 16:9 in width (such as cinema-sized one), no image
may be displayed at upper and bottom part of the screen.
▶Speckles or white lines on the screen
y Check whether the problem is caused by vehicle, streetcar, high-voltage cable or
neon sign, which emitting interference wave or electromagnetic induction. Avoid any
interfering object.
▶Screen or a PDP Set is hot
y PDP sets or screen can be hot, because basic principle of PDP driving is Plasma
discharge between electrodes.
y It is not a defect or a malfunction of the product, you may continue to use the product.
Downloaded From TV-Manual.com Manuals
52
Infinitely Expandable

7.2. about Plasma display panel

The followings are phenomena caused by characteristics of the plasma display panel.
Since it is not a fault, you may continue to use the product.
▶Black or twinkling spots on the screen
y
Although the plasma display panel is manufactured with high-precision
Caution technology, there may exist black or twinkling spots on the screen.
Since it is not a fault, you may continue to use the product.
▶Burn-in effect
y
Displaying static images such as still video frames or computer screen
Caution images for an extended period of time may cause burn-in effect.
The burn-in effect may be gradually reduced by displaying full white
pattern.
y However, please always be careful in using static images on this product,
because such burn-in effect may cause permanent damages in some
cases.
▶noise from the inside
y
When you turn on the product slight buzzing sound may be heard
Caution
from the rear of display panel. Since it is not a fault, you may continue
to use the product.
▶Screen decolorization
y Optical film that is attached on the panel can be slightly decolorized
Caution
after long time of use. The degree of decolorization may vary
depending on display contents and conditions.
It is due to the characteristics of the film, but it is not a defect.
(It is caused by chemical characteristics of the film.)
53