Change PanelStill havingproblemsNo picture but have soundCheck if there is +5V atPin35 in CN5NoReplace theQ101YesCheck if there is normalvoltage at L805YesNoCheck if U3 Pin20˄3.3V˅ǃPin11˄5V˅ǃPin19˄5V˅;U5 ˖Pin2(0.72V)ǃPin3˄5V˅ǃPin4(12V)ǃPin6(5.7V) is normalChange LVDS wireNo Replace U3 orU5Check if Q103 ǃFB14ǃ D10ǃ D9 ǃR700 is workingYesReplaceQ103ǃFB114ǃD10ǃD9NoService ManualModel No.:9-2. Main board failure check- 41 -
