Haier LE32K5000, Service Manual

Page: 63 / 68

T
rouble
S
hootin
g
‡
Mainboar
d not
w
ork
‡
1.
Check J19(12V)
has
12V
output
‡
2.
V
e
rify if
the DC/DC
con
v
ert
o
rs
ha
v
e
the righ
t output
(1.1
8V
,1.
5V)
‡
3.
V
erify
if LDO
ha
v
e
the righ
t
output (3.3V
,1.
2
V)
‡
3.
V
e
rify if
the
Mainchip(MSD6308R
T
EM), DDR,
AudioAMP
͙ƐŽůĚĞƌǁ
Ğůů͖
‡
4.
V
erify if
the FLASH(U1202) has
the righ
t softw
ar
e and
w
ork w
e
ll;
‡
5.
V
erify if the Y201(Cr
y
st
a
l) has
the righ
t fr
equency
™
P
anel not w
ork
™
1.
ŚĞĐŬƚŚĞ
>ĂĐŬůŝŐŚƚ͞
ƐĞƚ
-
ƵƉ/͟
output and input
ar
e w
orking
.
™
2.
V
erif
y
if the
Mainboar
d
output the
right On/Of
f signal t
o
pow
er
boar
d;
™
3.
V
erif
y
if the
Mainboar
d
output the
LVDS
sing
al
to
panel
T-c
on boar
d
™
4.
V
erif
y
if the
softw
ar
e is the
right
ver
sion of
this model.
™
ϱ͘
ŚĂŶŐĞƚŚĞ
>s^
ǁŝƌ
Ğ
ƚŽĐŚĞĐŬ
ŝĨ
ŝƚ
͛Ɛ
br
ok
en.
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