JVC GD-V501PCE 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 31)
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 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.
Whirring sounds can be	The display unit is fitted with a cooling fan to dissipate heat generated during normal
heard from the display unit.	use.The whirring sound is caused by rotation of the fan and is not a malfunction.

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