Haier LE48S500, Руководство по обслуживанию

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Chec
k
i
f
there is input
a
t Pin
2
ǃ
Pin
6
o
f
U
7
01
Chec
k
i
f
there is output
a
t Pi
n1
ǃ
Pin4 o
f
CN
7
01
No
No
Yes
Yes
Repl
a
ce U
7
01
Chec
k
the circuit bet
w
een U
7
01
a
nd
Pin3
ǃ
Pi
n1
2
o
f
U
7
03
No sound but h
a
ve picture
Ch
a
n
g
e M
a
inbo
a
rd
S
till h
a
vin
g
p
roble
m
s
Chec
k
i
f
there is
sound input si
g
n
a
l
No
Chec
k
the input source
No
V
eri
f
y i
f
U
7
03 h
a
s the
ri
g
ht po
w
er in (Pin
7
)
Chec
k
i
f
there is output
a
t Pi
n1
ǃ
Pin
7
o
f
U
7
01
Ch
a
n
g
e U
7
03
Yes
Yes
Chec
k
i
f
there is input
a
t Pin3
ǃ
Pin1
2
o
f
U
7
03
Yes
Ch
a
n
g
e U
7
01
No
Chec
k
the
spe
ak
ers
S
ervice M
a
nu
a
l
Model No.:
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