32″LCD TV Haier HL32D118Abnormal DisplayNo SoundCheck TV system setupReset sourceNGReplace the filter or resistanceRF signalCheck TunerReplace TunerCheck LVDS cableCheck inputReplace LVDS cableCheck panel Replace panelOKOKNGOKOKNGOKOKNGOKCheck the source Reset sourceNGOKCheck input signal TV SIF Check TVsystem Reset TV systemNGCheck TU201NGChange TU201Check U401OKOK Change U401NGCheck U602OKNG Change U602Check speaker NGChange speakerCheck if muteOKCheck signal filter circuitCheck the sourceOK