IX Before Repair
The following phenomenon does not indicate failures. Before you contact us for repair, please
check your device according to the approaches below.
- 3 1 -
Problems
Causes
No
picture
or
sound
No
signal
No
sound
Mosaic
images
Too
-
dark
images
Power
wire
is
not
properly
connected
;
the
functioning
power
source
is
not
recognized
;
or
there
'
re
breaks
in
the
power
wire
.
Check
whether
the
antenna
is
located
well
;
Check
the
parameter
of
image
or
region
is
set
correctly
;
if
not
,
please
set
or
search
again
.
If
the
volume
is
turned
down
to
the
minimum
;
single
is
too
weak
,
and
Silence
function
is
active
.
The
signal
strength
is
too
weak
.
Check
whether
the
brightness
and
contrast
of
your
display
is
adjusted
well
;
if
not
,
readjust
it
.