Check if the V-by-one cable is right and if
well connected with the board
Check if the
LED panel is OK
1
、
Reconnect the cable;
2
、
Change the V-by-one cable;
Change panel
Check if between the V-by-one jack and
MSD6488MVE are well soldered
Repair the damage
circuit
Change MSD6488MVE
——
1.abnormal screen
OK
NG
OK
NG
NG
OK
Display Trouble