Haier L39B2180a, Service Manual

Page: 38 / 59

S ervice M a nu a l
Model No.:
- 3 8 -
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
U
S
B0_DM
U
S
B0_DP
LED_R
LED_G
LED
A
D0
A
D1
IR_IN
LED_R LED_G
5
V
GND
IR_
S
YNC
KPD3 KPD1 KPD
2
KEY_1
A
D1
KEY_0
A
D0
KPD5 KPD
6
POWER
KPD
6
KPD
7
EXIT
KPD
7
KPD5
RIGHT/+
KPD3
INPUT
KPD1
DOWN/CH-
KPD
2
UP/CH+ LEFT/
V
-
KPD4 KPD0
MENU LED_G IR_IN LED_R
5
V
KPD4 KPD0
+5
V
_
S
W
5
V
_U
S
B0
5
V
_U
S
B0
+5
V
stb
+5
V
stb
+5
V
stb
+5
V
stb
+3.3
V
stb
+3.3
V
stb
U
S
B0_DM
U
S
B0_DP
LED
IR_
S
YNC
3
KEY_1
3
KEY_0
3
Title
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R
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2
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CV318H-A-20
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Title
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C
6
100n
C
6
100n
1
2
L
2
FU
S
E_
S
MD
L
2
FU
S
E_
S
MD
1
2
DIP LOGO
H14
DIP LOGO
H14
1
Q4 3904 Q4 3904
1
2 3
C
2
3
100n C
2
3
100n
1 2
R
2
8
6
8R
R
2
8
6
8R
1
2
P/O
H15
P/O
H15
1
R38 1
k
R38 1
k
1 2
C1
7
100n C1
7
100n
1 2
PCB LOGO
H13
PCB LOGO
H13
1
H
6
A
HOLE138
H
6
A
HOLE138
1
R3
6
4.
7k
R3
6
4.
7k
1
2
S/N
H1
6
S/N
H1
6
1
R45
22
R45
22
1
2
R54
0R
R54
0R
C4 10u C4 10u
1 2
R
7
1.5
k
R
7
1.5
k
1
2
H10 A
HOLE138
H10 A
HOLE138
1
QC PASS
H1
2
QC PASS
H1
2
1
Q3 3904 Q3 3904
1
2 3
H9 A
HOLE138
H9 A
HOLE138
1
D3 E
S
D
D3 E
S
D
H
2
TP
A
D
H
2
TP
A
D
1
R53
0R
R53
0R
J4
PH-14
A
J4
PH-14
A
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
1
2
1
2
13
13
14
14
H11 A
HOLE138
H11 A
HOLE138
1
D
2
E
S
D
D
2
E
S
D
R8
4.
7k
R8
4.
7k
1
2
H
7
TP
A
D
H
7
TP
A
D
1
C
2
1
10u
C
2
1
10u
1
2
R9
1.5
k
R9
1.5
k
1
2
R14
10
k
R14
10
k
1
2
R3
7
4.
7k
R3
7
4.
7k
1 2
R5
1
2k
R5
1
2k
1
2
H8
TP
A
D
H8
TP
A
D
1
R39 10
k
R39 10
k
1 2
R
2
1
7
5
R
2
1
7
5
1
2
H1 A
HOLE138
H1 A
HOLE138
1
R
67
5
R
67
5
1
2
H3
TP
A
D
H3
TP
A
D
1
R35 4.
7k
R35 4.
7k
1 2
R
27
6
8R
R
27
6
8R
1
2
D5
E
S
D/0.
6
P
D5
E
S
D/0.
6
P
1 2
R10 22 R10 22
1 2
R15 1
k
R15 1
k
1 2
H4 A
HOLE138
H4 A
HOLE138
1
D
6
E
S
D/0.
6
P
D
6
E
S
D/0.
6
P
1 2
R1
7
4.
7k
R1
7
4.
7k
1
2
R1
67
5
R1
67
5
1
2
R
2
10
k
R
2
10
k
1 2
C5
100n
C5
100n
1
2
H5 A
HOLE138
H5 A
HOLE138
1
C1
6
4.
7
p
C1
6
4.
7
p
1 2
J
7
U
S
B
J
7
U
S
B
1 2 3 4 5 6
D1 E
S
D
D1 E
S
D