6WDQGDUG5HSDLU3URFHVV
A2-1 Display Trouble
Blurred screen
(VWDEOLVKHG
GDWH
5HYLVHGGDWH
0
/('79
(UURU
V\PSWRP
6
12
31
2
ǃ
ǃ
Display Trouble
˄
blurred screen
˅
blurred screen
Check if the cable is correct
and connected tightly
Check if the panel is OK
Change the cable
for panel
Y
N
Change panel
N
Y
Check if the output circuit from
U1(MSD3553)
to the jack is normal
Y
N
Software error or
U1(MSD3553) damage
Repair this circuit
Copyright
ⓒ
2017 LG Electronics Inc. All rights reserved.
Only training and service purposes.
Содержание 28LJ400B
Страница 38: ......
