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•
M
ainboard
not
w
ork
•
1
.
c
heck if the po
w
er supply have
12V and 5V output
•
2
.Verify if the DC/DC convertors
have the ri
g
ht output
(5V,3.3V,2.5V,1.8V,1.32V)
•
3
.Verify if the Mainchip(MSD182),
DDR, AudioAMP…solder
w
ell;
•
4
.Verify if the FLASH(U202) has the
ri
g
ht soft
w
are and
w
ork
w
ell;
•
5
.Verify if the Y1(Crystal) has the
ri
g
ht fre
q
uency
Panel not
w
ork
1.
check if the volta
g
e input and
output of boost IC is
w
orkin
g
normally.
2.Verify if the Mainboard
output the
ri
g
ht On/Off si
g
nal to po
w
er board;
3.Verify if the Mainboard
output the
LVDS sin
g
al
to panel T-con board
4.Verify if the soft
w
are is the ri
g
ht
version of this model.
5.Chan
g
e the LVDS
w
ire to check
if it’s broken.
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