Before Requesting Service - Daewoo DT- 4280NH User Manual

Before Requesting Service

Before requesting for service, check the following points once again.
S t
• Remote control does not
y o
mm
function properly.
p s
• Check for any obstacle between the
C
Remote Control and the Display.
h
• Check for dead batteries and
e
incorrect battery orientation.
c
k • Check if the Remote Control is the
s
right one.
• Remove any obstacle between the
Remote Control and the Display.
A
c
• Replace batteries and use the correct
t
polarity (+) or (-) of the batteries.
i
o
• Use the correct Remote Control
n
proper to the model.
Before Requesting for Service
S t
• There are spots on the screen
y o
mm
or screen rolls.
p s
• Check if your product is affected by
C
any interference from automobiles,
h
high-voltage transmission lines, neon
e
signs or other potential sources.
c
k
s
A
c
t
i
o
n
72
• The Display makes a snapping
sound.
• Check if the pictures and sound are
normal.
• This sound is produced due to
variations in room temperature.
• This sound does not indicate that the
Display has a problem if the pictures
and sound can be viewed and heard
properly.
• Screen size is suddenly
changed.
• The screen size of a video image
may not be matched to the size of
the dark initial screen.
• Check by using other video tape.
• There are empty spots at the top
and the bottom area of the screen.
• Check if the screen size of an image
is wider than 16:9 aspect ratio
(theatre screen size).
• When video screen is wider than
16:9 aspect ratio, you may see dark
areas at the top and the bottom of
the screen.