Have a Audio but no Video
heck Backlight
C
CN9 Pin 13 need
OK
Check M/B CN8
LVDS connect
OK
Check M/B U13/
FB17=12~12.5V
OK
Change LCD Module
NG
Check Wire assy
Check LVDS Wire
NG
assy/change new LVDS
NG
Change new Power board
40": PK101W0810I
50":PK101W0800I/PK101W0820
Change new main board
2
wire
