i have an LCD tv at home..and i have placed speakers of home theatre in front and near the tv,just beneath the tv….i have heard that the magnetic field of the speakers slowly damage the tv…and at the last moment…the tv shows no clear picture…is that true?? if so then how far the speakers be placed?? and can i place them near dvd player?? how long will it take for the tv to malfunction due to the magnetic field of speakers?