Clarion VRX653R Owner's Manual & Installation Manual page 40

Problem
When the TV tuner
is connected, the
image gets
unclear.
The TV tuner has
a double or triple
image.
The TV tuner has
spots or stripes in
the image.
There are red,
green, and blue
points in the
display.
42
VRX653R
Cause
Bad receiving condition
Bad receiving condition
Presence of jamming
Measure
A radio wave may not reach sufficiently due to
obstruction of mountains or buildings. Check it again
at a place where a radio wave can be received
properly.
It may be under the influence of radio wave reflected
by mountains or buildings. Check it again after
changing place or direction.
It may be under the influence from automobiles,
streetcar, power cable, neon sign, and so forth.
Check it again after changing place.
This is not a failure, but a phenomenon peculiar to a
liquid crystal panel (The LCD panel is produced
according to technology with very high precision.
Note that, though there are effective pixels of 99.99%
or more, pixel missing or normally lit pixels account
for 0.01%).