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Symptoms
Some parts of the screen
do not light up.
After-images appear
[for TH-42PHD6, TH-50PHD6]
Whirring sounds can be heard
from the display unit.
Symptoms
Checks
Electrical Appliances
Cars/Motorcycles
Fluorescent light
Volume
(Check whether the mute function has been
activated on the remote control.)
Not plugged into AC outlet
Not switched on
Picture and Brightness/Volume setting
(Check by pressing the power switch or stand-
by button on the remote control.)
If a signal with a non-applicable colour system
format, or frequency is input, only the input
terminal indication is displayed.
Colour controls set at minimum level
(see page 18, 19)
Colour system (see page 31)
Picture
Interference
Normal Picture
No Picture
No Picture
No Colour
Sound
Noisy Sound
No Sound
No Sound
Normal Sound
Normal Sound
Troubleshooting
Before you call for service, determine the symptoms and make a few simple checks as shown below.
This Plasma Display uses special image processing. Hence a slight time lag may occur between image and audio,
depending on the type of input signal. However, this is not a malfunction.
Plasma Display panel
Check
The plasma display panel is manufactured using an extremely high level of precision
technology, however, sometimes some parts of the screen may be missing picture
elements or have luminous spots. This is not a malfunction.
Do not allow a still picture to be displayed for an extended period, as this can cause
a permanent after-image to remain on the Plasma Display.
Examples of still pictures include logos, video games, computer images, teletext
and images displayed in 4:3 mode.
Note:
The permanent after-image on the Plasma Display resulting from fixed image use
is not an operating defect and as such is not covered by the Warranty.
This product is not designed to display fixed images for extended periods of time.
The display unit is fitted with a cooling fan to dissipate heat generated during normal
use.The whirring sound is caused by rotation of the fan and is not a malfunction.