Panasonic TX-43P800X, TX-51P800X, TX-51P800H Troubleshooting, Cleaning, Projection TV screen

Troubleshooting

Before you call for service, determine the symptoms and make a few simple checks as shown below.

	Symptoms		Checks
	Picture	Sound
	Snowy Picture	Noisy Sound	Aerial Location, direction or Connections
	Multiple Image	Normal Sound	Aerial Location, direction or Connections
		Noisy Sound	Electrical Appliances
	Interference		Cars/Motorcycles
			Fluorescent Lamps
	Normal	No Sound	Volume (Refer to page 10, 11)
			(Check whether the mute function has been activated on
	Picture
			the Remote Control.)
			Not plugged into AC outlet
	No Picture	No Sound	Not switched on
			Contrast and Brightness/Volume setting (Check by pressing the
			Power Switch or Stand-by Button on the Remote Control.)
	No Colour	Normal Sound	Colour Control (Refer to page 24, 25)
			Colour System (Refer to page 21)
	Scrambled	Normal or	Retune Channels (Refer to page 15)
		Weak Sound
	Coloured		Magnetic interference from unshielded equipment;
		Normal Sound	TV set moved while “ON”.
	Patches		Turn the TV set off for 30 minutes, using the “Power”
			Switch on the TV set.
	No Colour	Noisy Sound	Sound System (Refer to page 21)
			Colour System (Refer to page 21)
Projection TV screen
Symptoms			Checks
	Do not allow a still picture to be displayed for an extended period, as this can cause a permanent
	after-image to remain on the Projection TV screen.
	Examples of still pictures include logos, video games, computer images, teletext and images displayed in
	16:9 mode.
	Note:
After-imagesThe permanent after-image on the Projection TV screen resulting from fixed image use is not an
appear	operating defect and as such is not covered by the Warranty.
	This product is not designed to display fixed images for extended periods of time.

Cleaning

To ensure continued excellent performance by this product, periodic cleaning is recommended.

The unit contains many plastic	Dust will accumulate on the picture screen. Please wipe
parts. For this reason DO NOT	with a soft cloth from time to time. If you use a
use benzine, thinner or other	chemically treated cloth, please be careful to follow the
chemicals to clean the unit.	instructions that come with the cloth.
DO NOT bring into contact with	Remove dirt and soiling by wiping with a light cloth.
insecticide or other volatile	Even if the unit is heavily soiled, do not apply cleaner directly
substances.	to the unit. Soak a cloth in a solution of neutral cleanser
DO NOT allow the unit to come	thinned with water. Then wring out the cloth, wipe the unit
into contact for extended periods	clean, and finish by wiping with a dry cloth.
with rubber or vinyl products.	Do not use any type of cleansers on the picture screen.

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