Before Requesting Service - Daewoo DSP-4280GM User Manual

Before Requesting Service

Before requesting service from the nearest Daewoo Electronics Service Center, check he following points once again.
• Remote control does not
function properly.
• Check for any obstacle between the
Remote Control and the Display.
• Check for dead batteries and
incorrect battery orientation.
• Check if the Remote Control is right
one.
• Remove any obstacle between the
Remote Control and the Display.
• Replace batteries and use the correct
polarity (+) or (-) of the batteries.
• Use the Remote Control proper to
the model.
• There are spots on the screen
or screen rolls.
• Check if your product is affected by
interference from automobiles, high-
voltage transmission lines, neon
signs or other potential sources of
interference.
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• The Display makes a snapping
sound.
• Check if 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 picture and
sound function 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 in the top
and bottom area of the screen.
• Check if the screen size of an image
is wider than 16:9 aspect ratio
(theater screen size).
• When video screen is wider than
16:9 aspect ratio, you may find dark
areas at top and at the bottom of the
screen.