Panasonic TH-37PWD5UZ operating instructions 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
No Picture			No Sound	stand-by button on the remote control.)
				If a signal with a non-applicable color system
				format, or frequency is input, only the input
				terminal indication is displayed.
No Picture			Normal Sound
				Color controls set at minimum level.
				(see page 28, 29)
				Color system (see page 33)
No Color			Normal Sound
Plasma Display panel
Symptoms				Check
Some parts of the screen do not		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
light up.
		elements or have luminous spots. This is not a malfunction.

	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 Plasma Display.
	Examples of still pictures include logos, video games, computer images, teletext
	and images displayed in 4:3 mode.
	Note:
After-images appear	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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