Troubleshooting - Panasonic TX-22LT3 Operating Instructions Manual

Lcd tv
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Troubleshooting

If there is a problem with your 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 Images
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
32
Sound
Noisy Sound
Normal Sound
Noisy Sound
No Sound
No Sound
Normal Sound
Weak or No Sound
Weak or No Sound
Normal Sound
Aerial location, direction or connection
Aerial location, direction or connection
Electrical appliances
Cars / Motorcycles
Fluorescent lights
Switch on P-NR in Picture menu to reduce picture noise
Volume level
Sound mute switched on
TV set to AV mode
Not plugged into A.C. outlet
Not switched on
Picture / Sound controls set at minimum levels
Check if in standby mode
Colour controls set at minimum levels
Retune Channel (s)
Sound reception may have deteriorated.
Switch NICAM setting (Sound menu) to
Off until reception improves.
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.
Checks

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