Troubleshooting – Panasonic TC 20LB30 User Manual

Page 34

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34

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

Checks

Antenna location, direction or connection.

Picture

Sound

Aerial location, direction or connection.

Electrical appliances
Cars / Motorcycles
Fluorescent lights

Volume level
Sound mute switched on.

Color controls set at minimum levels.
Weak signal.

Retune Channel (s).

Sound reception may have deteriorated.
Switch STEREO mode to Off until reception improves.

Noisy Sound

Normal Sound

No Sound

No Sound

Normal Sound

Noisy Sound

Weak or No Sound

Weak or No Sound

Interference

Multiple Image

Normal Picture

No Picture

No Colour

Snowy Picture

Normal Picture

Poor or Distorted Picture

Cannot operate with the remote control.

The battery is exhausted.
The battery’s polarity is wrong.
The remote control sensor is exposed to strong light of a
fluorescent lamp, etc.

The main unit is hot.

The main unit radiates heat and some of the parts may become
hot. This is not a problem for performance or quality.
Set up at a location with good ventilation.
Do not cover the ventilation holes of the TV with a tablecloth
etc., and do not place on top of other equipment.

There may be red spots, blue spots,
green spots and black spots on the
screen.

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 red, blue, green, or black.
Please note this does not affect the performance of your LCD.

TV set to Video Input mode.
Not plugged into AC outlet.
Not switched on.
Picture / Sound controls set at minimum levels.
Check if in Standby mode.

Cannot read the content of the card.

PC card cannot be ejected.

Poor picture quality.

Picture takes a long time to display.

Not compatible format. Must be formatted with FAT 12 or FAT 16.
The extension is not “JPG”.
The folders not under DCF standard.
Push the card all the way in, and eject.
If the main image cannot be read (the file is partially corrupted), the Photo
viewer will read the thumbnail. Please confirm the format of the image.

There are lots of images or the file size is large.

Photo Viewer

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