LG El
e
c
t
r
on
ic
s
/DND QA
LG El
e
c
t
r
on
ic
s
/DND QA
LG El
e
c
t
r
on
ic
s
/DND QA
LG El
e
c
t
r
on
ic
s
/DND QA Gr
Gr
Gr
Gr
1. The 4/7 or 3/7 of screen is not displayed.
1) Check the X B/D power connector.
2) Check the connector between CTRL B/D and X B/D.
3) Replace the X B/D.
※
※
※
※
relations between screen and X B/D
screen X B/D
left 4/7 of screen
↔
Right X B/D
right 3/7 of screen
↔
Left X B/D
※
※
※
※
type
i) screen’s left(4/7)
ii) Screen’s right(3/7)
Non-displaying part
Displaying part
Ⅲ
Ⅲ
Ⅲ
Ⅲ
.... Screen defect diagnosis
