Panasonic TH-42PW5 manual Troubleshooting, Plasma Display panel Symptoms Check

Troubleshooting

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

	Symptoms		Checks
Picture		Sound
			Electrical Appliances
			Cars/Motorcycles
			Fluorescent light
Interference		Noisy Sound
			Volume
			(Check whether the mute function has been
			activated on the remote control.)
Normal Picture		No Sound
			Not plugged into AC outlet
			Not switched on
			Picture and Brightness/Volume setting
			(Check by pressing the power switch or stand-
No Picture		No Sound	by button on the remote control.)
			If a signal with a non-applicable colour system
			format, or frequency is input, only the input
			terminal indication is displayed.
No Picture		Normal Sound
			Colour controls set at minimum level
			(see page 24, 25)
			Colour system (see page 33)
No Colour		Normal Sound
Plasma Display panel
Symptoms			Check
Some parts of the screen	The plasma display panel is manufactured using an extremely high level of precision
	technology, however, sometimes some parts of the screen may be missing picture
do not light up
	elements or have luminous spots. This is not a malfunction.

	Do not allow a still picture or any part of a still picture i.e. edges to be displayed for
	an extended period, as this can cause a permanent after-image to remain on the
	Plasma Display.
	Examples of still pictures include logos, video games, computer images, teletext
	and images displayed in 4:3 mode.
After-images appear	Note:
	The permanent after-image on the Plasma Display resulting from fixed image use
	is not an 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.

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