Troubleshooting; Maintenance - Panasonic TX-20LA2M Operating Instructions Manual

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Troubleshooting
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If there is a problem with your LCD TV please refer to the table below to determine the symptoms, then carry out the
suggested check. If this does not solve the problem, please contact your local Panasonic dealer, quoting the model
humber and serial number (both found on the rear of the TV).
Symptoms
Checks
Picture
Sound
Aerial location, direction or connection
[i!i1]
Snowy Picture
[li1J
Multiple
Image
Aerial location, direction or connection
/
~!
J Normal Sound
Electrical appliances
Cars I Motorcycles
Fluorescent lights
!:m]
Interference
/
rf1~
Noisy Sound
~,
/
~ Ii No Sound
"
[ll1]
Normal Picture
Volume level
Sound mute switched on.
No Picture
/
~ Ii
No Sound
"
TV set to AV mode
Not plugged into AC outlet.
Not switched on.
Picture / Sound controls set at minimum levels.
Check if in Standby mode.
Colour Controls set at minimum levels.
Colour system
/
~ J J Normal Sound
"
Poor or Distorted
Picture
Weak or
No Sound
Retune Channel
(s)
/
rf1:..#
Weak or
~ "'.J distorted sound
"
Sound reception may have deteriorated.
Sound system
Lli1J
Normal Picture
There may be red spots,
blue spots and green
spots on the screen
/
~ J J Normal Sound
"
This is a characteristic
of liquid crystal panels and is not a
problem. The liquid crystal panel is built with very high precision
technology giving you fine picture details. Occasionally,
a few
non-active pixels may appear on the screen as a fixed point of
blue, green, or red.
Please note this does not affect the performance
of your LCD.
Mai ntenance
To clean this unit, wipe with a soft, dry cloth.
If the surfaces are extremely dirty, use a soft cloth dipped in soap-and-water
solution
Neutral
or a weak detergent solution.
detergent
.Use eyeglass cleaner to remove stubborn dirt from the LCD.
Q
";;
&
.Never
use alcohol, paint thinner or benzine to clean this unit.
&
.Before
using chemically
treated cloth, read the instr4ctions
that came with the
@
cloth carefully.
9-
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==
.Do not wipe the LCD with water.
\.
J
Wipe the cabinet
with a soft cloth.
If the cabinet is heavily soiled, wipe with a well-wrung soft cloth dipped in kitchen cleanser (neutral) diluted with water.
CAUTION:
If water or similar substances
get inside the monitor via the liquid crystal panel surface, a malfunction may result.

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