Last night watching tv, picture cut off (black screen) but power light on set stay on. then after bout 30 seconds the power button went off. Turn set back on , powere light lit but no picture and again after 30 seconds or so powere light turn off automatically

before this happened, the sound would randomly shoot all the way up for bout 2 to 4 second's. then come back down with loss of picture.. before this happened, the sound would randomly shoot all the way up for bout 2 to 4 second's. then come back down with loss of picture..

before this happened, the sound would randomly shoot all the way up to 100, for bout 2 to 4 second's, then come all the way back down with loss of picture also. before this happened, the sound would randomly shoot all the way up to 100, for bout 2 to 4 second's, then come all the way back down with loss of picture also.