Panasonic TX-17LA1Q, TC-20LA1H manual Troubleshooting, Maintenance, Symptoms Checks Picture Sound

Models: TX-17LA1Z TX-20LA1M TX-20LA1Z TC-17LA1H TX-20LA1X TX-17LA1Q TX-17LA1X TC-20LA1H TX-17LA1M TX-20LA1Q

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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

 

Checks

Picture

Sound

 

Snowy Picture

Noisy Sound

Aerial location, direction or connection

Multiple Image

Normal Sound

Aerial location, direction or connection

 

 

Electrical appliances

Interference

Noisy Sound

Cars/Motorcycles

 

 

Fluorescent lights

Normal Picture

No Sound

Volume level

Sound mute switched on

 

 

 

 

TV set to AV mode

 

 

Not plugged into A.C. outlet

No Picture

No Sound

Not switched on

 

 

Picture / Sound controls set at minimum levels

 

 

Check if in stand-by mode

No Colour

Normal Sound

Colour Controls set at minimum levels

Colour System

 

 

Poor or Distorted

Weak or

Retune Channel (s)

Picture

No Sound

Normal Picture

Weak or

Sound reception may have deteriorated.

Sound System

distorted sound

 

 

 

This is a characteristic of liquid crystal panels. This is not a

There may be red

 

malfunction and can not be a reason for service claim.

 

The liquid crystal panel is built with very high precision

spots, blue spots and

 

Normal Sound

technology giving you fine picture details. Occasionally, a

green spots on the

 

few non-active pixels may appear on the screen as a fixed

screen

 

 

point of blue, green, or red.

 

 

 

 

Please note this does not affect the performance of your LCD.

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.

Neutral detergent

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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Panasonic TX-17LA1Q manual Troubleshooting, Maintenance, Symptoms Checks Picture Sound, Wipe the cabinet with a soft cloth