Troubleshooting; Maintenance - Panasonic TX-22LT2M Operating Instructions Manual

22" diagonal lcd tv
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Troubleshooting

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 number and serial number (both found on the rear of the TV).
Symptoms
Picture
Snowy Picture
Multiple Image
Interference
Normal Picture
No Picture
No Colour
Poor or Distorted
Picture
Normal Picture
There may be red spots,
blue spots and green
spots on the screen

Maintenance

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 or a
weak detergent solution.
• Use eyeglass cleaner to remove stubborn dirt from the LCD.
• Never use alcohol, paint thinner or benzine to clean this unit.
• Before using chemically treated cloth, read the instructions that came with the cloth carefully.
• Do not wipe the LCD with water.
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.
26
Sound
Noisy Sound
Aerial location, direction or connection
Aerial location, direction or connection
Normal Sound
Electrical appliances
Cars/Motorcycles
Noisy Sound
Fluorescent lights
Volume level
No Sound
Sound mute switched on
TV set to AV mode
Not plugged into A.C. outlet
No Sound
Not switched on
P i c t u r e / S o u n d c o n t r o l s s e t a t m i n i m u m l e v e l s
Check if in stand-by mode
Colour Controls set at minimum levels
Normal Sound
Colour System
Weak or
Retune Channel (s)
No Sound
Sound reception may have deteriorated.
Weak or
Switch NICAM setting (Sound menu) to Off until reception
distorted sound
improves.
This is a characteristic of liquid crystal panels. This is not a
malfunction and can not be a reason for service claim.
The liquid crystal panel is built with very high precision technology
Normal Sound
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.
Checks
Neutral
detergent

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