Haier LEC24B3320, Руководство по обслуживанию

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Chec
k
i
f
there is output
a
t Pin1
ǃ
No
No
Yes
Yes
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
Yes
Chec
k
i
f
there is input
a
t Pin1
ǃ
Pin9 o
f
UD10
Chec
k
i
f
there is si
g
n
a
l
a
t C
7
10
a
nd C
7
45
No
chec
k
the si
g
n
a
l input
circuit o
f
C
7
10, C
7
45.
Yes
Ch
a
n
g
e UD10
No
Chec
k
the
spe
ak
ers
S
ervice M
a
nu
a
l
Model No.:
- 40 -
No
Yes
Chec
k
i
f
there is +1
2V
a
t Pin
7
o
f
UD10
Ch
a
n
g
e LD3
Ch
a
n
g
e
CD109,CD110.
Chec
k
i
f
there is +5
V
a
t Pin3, Pin5
a
nd Pin8 o
f
U
7
0
2
Ch
a
n
g
e U
7
0
2
Pin4 o
f
J1
7
.
a
nd chec
k
i
f
there is output
a
t Pin4
ǃ
Pin
6
o
f
UD10