Change
Panel
Still
having
problems
No picture but have
sound
Check if there is +12V at
Pin35 in CN202
No
Replace the QD6
Yes
Check if there is +43V at
PEC8
Yes
No
test if PU6 Pin5
（
3.3V
）、
Pin9
normally
Change LVDS wire
No
Replace PU6
Check if PQ6
、
PD14
、
PR46
works normally
Yes
Replace PQ6
、
PD14
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
- 52 -
（
12V
）
