Panasonic TX-20LA2M, TX-20LA2A manual Troubleshooting, Maintenance, Symptoms Checks Picture Sound

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 AC outlet.
No Picture	No Sound	Not switched on.
		Picture / Sound controls set at minimum levels.
		Check if in Standby 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.
	distorted sound	Sound system
		This is a characteristic of liquid crystal panels and is not a
There may be red spots,		problem. The liquid crystal panel is built with very high precision
	Normal Sound	technology giving you fine picture details. Occasionally, a few
blue spots and green		non-active pixels may appear on the screen as a fixed point of
spots on the screen
		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.

Wipe the cabinet with a soft cloth.

Neutral detergent

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