115.3 No DisplayCheck the PS-ON andON/OFFsignal is available?Replace main boardReplace the power boardPanel Vcc =12V?Replace the PanelNo display (LED Nopower (LED “Off”)Replace the main boardCheck the backlight is“On”?Check the LVDS cableReinsert or replace theLVDS cableReplace the main boardReplace the PanelNoYesYes NoYesNoNoYesYesNoYesNoPower board output=12/24V?Check TV is under control and poweron/off by remote control andpower key?