Change PanelStill havingproblemsNo picture but have soundCheck if there is +12V atPin35 in CN204NoReplace theQ101YesYesNoCheck if U3 and U4 Pin20˄3.3V˅ǃPin11˄5V˅ǃPin19˄5V˅;U5 ˖Pin2(0.72V)ǃPin3˄5V˅ǃPin4(12V)ǃPin6(5.7V) is normalChange LVDS wireNo Replace U3 orU5 U4Check if Q103 ǃǃ D10ǃ D9 ǃis workingYesReplaceQ103ǃǃD10ǃD9NoService ManualModel No.:9-2. Main board failure check- 39 -Check if there isat C931+30V
