56FAQsBefore requesting service or assistance, please follow these simple guides to resolve the problem.If the problem still persists, please contact your local Panasonic dealer for assistance.White spots or shadowimages (noise)Check the position, direction, andconnection of the aerial.●Neither image norsound is producedIs the TV in “AV mode”?Is the mains lead plugged into the socket outlet?Is the TV turned On?Check Picture Menu (p. 30) and volume.Check the connection between the displayunit and the tuner box. (p. 12 and p. 13)●●●●●An error message appearsFollow the message’s instructions.If the problem persists, contact your localPanasonic dealer.●●“VIERA Link” functiondoes not work and an errormessage appearsConfi rm the connection.Turn the connected equipment on and thenswitch the TV on. (p. 44)●●Permanently lit spots on screenDue to production process involved in this technologythis may result in some pixels which are permanently litor unlit. This is not a malfunction.●Contrast is reducedContrast is lowered in the following conditions withoutany user operation for a few minutes:●no signal in AV modeselected locked programmeselected invalid programmedisplayed menuThumbnail or still picture in SD Card mode•••••Problem ActionsChaotic image, noisy Change the setting of “P-NR” in the Picture Menu (to removenoise). (p. 30)Check nearby electrical products (car, motorcycle, fluorescent lamp).●●No image can be displayed Is “Colour” or “Contrast” in the Picture Menu set to the minimum?(p. 30)●Blurry or distorted image(no sound or low volume) Reset channel. (p. 39)●Unusual image is displayed Remove the mains plug of the tuner box from the wall socket andconnect it again to turn it on.If the problem persists, perform “Shipping Condition” (p. 39)●●“Shop” appears on screen atswitch on“Shop” was selected in “Auto Tuning” (p. 18).Reset all settings in “Shipping Condition” (p. 39), then select“Home” in “Auto Tuning” (p. 18).●Screen