36FAQs, etc.37• Frequently Asked QuestionsProblem ActionsScreen SoundWhirling sound isheard • The sound is from built-in cooling fan (not a sign of faultyoperation).Chaotic image, noisy • Set "D. PNR" in the Picture menu (to remove noise).(p. 18)• Check nearby electrical products(car, motorcycle, fluorescent lamp).Sound level is lowor sound is distorted • Sound signal reception may be deteriorated.• Check "Sound system" (p. 20)No sound is produced • Is "Sound Mute" active? (p. 7)• Is the volume set to the minimum?Neither image norsound is produced• Is the TV in "AV mode"?• Is the mains lead plugged into the socket outlet?• Is the TV turned On?• Check Picture menu (p. 18) and volume.Blurry ordistorted image(no sound or low volume)• Reset channels. (p. 10 and p. 20)No image can bedisplayed • Is "Colour" or "Contrast" in the Picture menu set to theminimum? (p. 18)• Check "Colour system" (p. 20)FAQs Problem ActionsSound is unusual• Set the sound setting of the connected equipmentto "2ch L.PCM".• Check the "HDMI1 / 3 input" setting in the Sound menu.(p. 18)• If digital sound connection has a problem, selectanalogue sound connection. (p. 32)An error messageappears• Follow the message's instructions.• If the problem persists, contact the authorizedService Centre.TV goes into"Standby mode"• The sleep function is activated.• The TV enters "Standby mode" about 30 min.after broadcasting ends."Control with HDMI"function doesnot work• Switch the TV on again with the equipment on.• Set “Control with HDMI” to “Off”, then set to “On” again.(p. 26)An error messageappears • Contact the authorized Service Centre.HDMI Other