Ma TV a LED a TV a mainchesi 42 amagwiritsidwa ntchito kwambiri kusintha kapena kukweza ma strips pa ma TV a LCD a mainchesi 42. Ndi kuwonjezeka kosalekeza kwa nthawi yogwiritsira ntchito TV ya LCD, strip ya backlight ingayambitse kusokonekera kwa chithunzi ndi mtundu chifukwa cha ukalamba, kuwonongeka kapena kuwonongeka mwangozi, zomwe zimakhudza kwambiri momwe amaonera. Pakadali pano, kusintha strip yathu ya backlight kudzakhala chisankho chabwino kwambiri chothetsera vutoli. Ma strips athu a backlight adapangidwa bwino komanso osavuta kuyika, zomwe zimapangitsa kuti zikhale zosavuta kusintha strip yoyambirira popanda kufunikira kwa akatswiri. Pambuyo posintha, kuwala kwa chithunzi cha TV kudzasintha kwambiri, ndipo mawonekedwe amitundu amakhala owoneka bwino komanso enieni, ngati kuti muli pamalo enieni. Kaya ndi kusangalala ndi masomphenya odabwitsa a makanema apamwamba mu zosangalatsa zapakhomo, kuwonetsa molondola tsatanetsatane wa zinthu pazowonetsera zamalonda, kapena kuthandiza ntchito zophunzitsira m'malo ophunzirira kuti awonjezere chidwi cha ophunzira ndi magwiridwe antchito, ma strip athu a backlight amatha kusewera bwino kwambiri kuti abweretse mawonekedwe abwino pazithunzi zosiyanasiyana.
