The LG Display Pcb - EBR78988409 is the correct replacement for the following model numbers.
Display Pcb Assembly
Does this part fit my model?
74405
74405
74407
74407
75065
75065
75067
75067
75075
75075
75077
75077
74405
74405
74407
74407
75065
75065
75067
75067
75075
75075
75077