No picture but have
sound
Check if there is +12V at
Pin35 in X21
No
Replace the
Q17
Yes
Check if Blacklight is
shine
Yes
No
test if Q46_C
(
5V
)、
Q45_C
(
5V
)
is normal
Change LVDS wire
No
Replace Q43 or
Q45
Replace Power
Board
Yes
Replace
Blacklight
module
No
S
ervice M
a
nu
a
l
Model No.:
9-2. M
a
in bo
a
rd f
a
ilure
c
he
c
k
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