Panasonic CQ-VA707N Operating Instructions Manual page 63

Troubleshooting
I General
E
N
G
L
Problem
I
S
H
61
No sound
No sound from built-in
speakers
No sound from left, right,
front or rear speaker
Right and left sounds
reversed in stereo
Tilt angles and forward-
backward position of
display unit cannot be
adjusted.
Display unit cannot be
retracted.
I Display
Problem
No image
Screen too dark
Screen whitish
Tone not good, colors too
light
Red, blue or
I
green spot
64
Possible Cause
Volume is too low.
Connections not made cor-
rectly
Condensation
Volume is too low.
Navigation volume set to 0
Left-right, front-rear balance
is off.
Connections not made cor-
rectly
Speaker wires are
connected incorrectly.
Obstacle is in the way.
Display unit is not in the
neutral position of its lateral
angle.
Possible Cause
Dimmer, contrast, bright,
color, tint not adjusted prop-
erly.
This is a characteristic of liquid crystal panels and is not a problem.
CQ-VA707N
(Continued)
Raise volume.
Check connections.
Leave for some time before use.
Raise navigation volume.
Set navigation volume to higher than 0.
Properly adjust BAL/FAD.
Check connections.
Connect speaker wires correctly.
Be careful not to let the cord be caught, and
use the display unit in a position free of contact
with obstacles.
Return the display unit to the neutral position of
its lateral angle.
Adjust each of these screen adjustment items
(dimmer, contrast, bright, color, tint).
Probable Solution
Probable Solution