Panasonic TX-42AS740B Manual page 225

No image can be displayed
Check the correct input mode is selected.
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Check the setting of
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match the output of the external equipment.
Watching > External equipment
Is Contrast, Brightness
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Watching > For best picture > Basic settings
Check all required cables and connections are firmly in place.
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Blurry or distorted image (no sound or low volume)
Reset channels.
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Watching > Tuning and editing channels > Auto Setup
There may be red, blue, green and black spots on the screen
This is a characteristic of liquid crystal panels and is not a problem. The
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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 red, green, blue or black. Please note this
does not affect the performance of the panel.
Digital TV
Before requesting service or assistance, please follow these simple guides to
solve the problem.
If the problem still persists, please contact your local Panasonic dealer for
assistance.
Block noise, frozen or disappearing image occurs / Some channels cannot be
tuned
Check the position, direction and connection of the aerial or dish.
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Check Signal Condition. If the level of
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signal is weak. Connecting the aerial to the TV directly may improve signal
quality than connecting the aerial through the equipment (Set top box,
DVD, etc.).
Watching > Tuning and editing channels > Signal Condition
Watching > Basic > Basic connection
AV2 (COMPONENT
or Colour in the Picture Menu set to the minimum?
Signal Quality
- 225 -
/ VIDEO) in Input Selection
is low, the DVB
to