Service Manual
Page 19
5.Black Screen and backlight turn on Black Screen Check power supply: NG Pin1, 2 of CN101 OK NG Check pin34, 51, 66, and 82 Of U105 OK NG Check pin32, 49, 56, and 75 Of U105 OK Check Reset (pin84) NG Of U105 OK Power Fail Check FB103 And U102 Check FB106 And U101 Check C144, R172 Check Crystal: Pin96, Pin97 Of U105 OK Check CCFL -Enable (pin85) of U105 NG MCU Fail NG Check: X101, C153, C154 OK Check pin5 of CN101 NG OK Inverter Fail Check R167, Q106 R108, R110 19
5.Black Screen and backlight turn on Black Screen Check power supply: NG Pin1, 2 of CN101 OK NG Check pin34, 51, 66, and 82 Of U105 OK NG Check pin32, 49, 56, and 75 Of U105 OK Check Reset (pin84) NG Of U105 OK Power Fail Check FB103 And U102 Check FB106 And U101 Check C144, R172 Check Crystal: Pin96, Pin97 Of U105 OK Check CCFL -Enable (pin85) of U105 NG MCU Fail NG Check: X101, C153, C154 OK Check pin5 of CN101 NG OK Inverter Fail Check R167, Q106 R108, R110 19
Service Manual
Page 24
...501020207300R COVER,HINGE,LE1730 130 EBU30458901 430303000410R HRN LVDS,FFC 30P 281MM ROHS 140 EBU30459301 453010100210R CABLE,D-SUB,15P MALE 1850MM BLACK/BLUE,R 24 INL Part No. LGE Part No. INL Part No. Description 10 MCK30281901 501010205300R BEZEL,FRONT, LE1730 MCK30284501... 501010205310R BEZEL,FRONT(Silver), LE1730 20 EBU30459201 631102071430R LCD PANEL 17" MT170EN01-V7(INL) 30 EBU30458301 790621300600R PCBA,IF BOARD, LE1730-6E0 40 AGU30210301 701000001300R ASSY,CHASSIS(INL), LE1730 50 ...
...501020207300R COVER,HINGE,LE1730 130 EBU30458901 430303000410R HRN LVDS,FFC 30P 281MM ROHS 140 EBU30459301 453010100210R CABLE,D-SUB,15P MALE 1850MM BLACK/BLUE,R 24 INL Part No. LGE Part No. INL Part No. Description 10 MCK30281901 501010205300R BEZEL,FRONT, LE1730 MCK30284501... 501010205310R BEZEL,FRONT(Silver), LE1730 20 EBU30459201 631102071430R LCD PANEL 17" MT170EN01-V7(INL) 30 EBU30458301 790621300600R PCBA,IF BOARD, LE1730-6E0 40 AGU30210301 701000001300R ASSY,CHASSIS(INL), LE1730 50 ...