Panasonic TX-47P800H Troubleshooting, Cleaning, Projection TV screen, Symptoms Checks

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
Interference		Electrical Appliances
	Noisy Sound	Cars/Motorcycles
		Fluorescent Lamps
Normal Picture	No Sound	Volume (Refer to page 10, 11)
		(Check whether the mute function has been activated on the Remote
		Control.)
No Picture	No Sound	Not plugged into AC outlet 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 Patches	Normal Sound	Magnetic interference from unshielded equipment;
		TV set moved while “ON”.
		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 Wide Projection TV screen.
Examples of still pictures include logos, video games, computer images, teletext and images displayed in 4:3 mode.
Note:
The permanent after-image on the Wide Projection TV screen resulting from fixed image use is not an operating
defect and as such is not covered by the Warranty.
After-images appear 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 parts. For	Dust will accumulate on the picture screen.
this reason DO NOT use benzine, thinner or	Please wipe with a soft cloth from time to
other chemicals to clean the unit.	time. If you use a chemically treated cloth,
	please be careful to follow the instructions
	that come with the cloth.
DO NOT bring into contact with insecticide	Remove dirt and soiling by wiping with a light cloth.
or other volatile substances.	Even if the unit is heavily soiled, do not apply
DO NOT allow the unit to come into contact	cleaner directly to the unit. Soak a cloth in a
for extended periods with rubber or vinyl	solution of neutral cleanser thinned with water.
products.	Then wring out the cloth, wipe the unit clean,
	and finish by wiping with a dry cloth.
	Do not use any type of cleansers on the picture
	screen.

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