Solved Flashing power light on sharp aquos LC-37D44U after replacing mainboard Tags: Sharp Light Power Home Theatre Last response: August 19, 2013 4:20 PM in Home Theatre Share Debfrustrated August 19, 2013 2:43:06 PM I have replaced the main board of my sharp aquos lc-37d44u but it still wont turn on. The power light flashes and the tv doesnt do anything else More about : flashing power light sharp aquos 37d44u replacing mainboard Reply to Debfrustrated te100 August 19, 2013 3:55:02 PM possible lamp failure depending on the flashing code Reply to te100 Debfrustrated August 19, 2013 4:02:40 PM te100 said:possible lamp failure depending on the flashing code It just flashes continually. I suspect the tv may need to be reset. If so, do you know how this is done? Reply to Debfrustrated Related resources Sharp Aquos 60" LCD Power Button flashes, no power - Forum Sharp aquos flashes 2 blue and 5 green lights - Forum Aquos lcd tv power light flashes red, now picture - Forum Sharp lcdtv has flashing green light instead of powering up - Forum Samsung tv flashing 3 lights after bulb replacement - Forum Can't find your answer ? Ask ! Get the answer Best solution te100 August 19, 2013 4:10:23 PM here is the service manual http://www11.zippyshare.com/v/72648285/file.html Reply to te100 te100 August 19, 2013 4:15:12 PM chapter 5 says you have to update the software when you replace the mainboard Reply to te100 te100 August 19, 2013 4:20:38 PM try unplug for 12 secs then push and hold pwr button plug back in after 12 more sec release pwr button Reply to te100 Ask the community Post an answer Read discussions in other Home Theatre categories Digital TV DVD Players Set-Top-Box HDTV ReplayTV Satellite TV Tivo !