Haier 24D3000, Service Manual

Page: 39 / 52

Ch
a
n
g
e P
a
nel
S
till h
a
vin
g
proble
m
s
a
ve sound
Chec
k
i
f
there is +1
2V
a
t
Pin35 in J1
No
Repl
a
ce
the
QD
6
Yes
Chec
k
i
f
there is +30
V
a
t C931
Yes
No
Chec
k
i
f
U5:
Pin
2
(0.
72V
)
ǃ
Pin3
˄
5
V
˅ǃ
Pin4(1
2V
)
ǃ
Pin
6
(5.
7V
) is nor
ma
l
Ch
a
n
g
e L
V
D
S
w
ire
No
Chec
k
i
f
Q103
ǃ
D10
ǃ
D9
ǃ
Yes
Repl
a
ce
Q103
ǃ
D10
ǃ
D9
No
S
ervice M
a
nu
a
l
Model No.:
No picture but
h
Repl
a
ce U5
R
7
00 is
w
or
k
in
g
9-2. M
a
in bo
a
rd f
a
ilure
c
he
c
k
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