Sony KP-44PX2 / KP-44PX2U Service Manual ▷ View online
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- 50 -
~ D Printed Wiring Board Conductor side ~
E
D
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D
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3
7
5
D
0
1
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M
1
0
0
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L
2
3
7
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D
0
1
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E
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1
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1
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1
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1
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B
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0
1
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I
7
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1
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1
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1
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1
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1
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2
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1
1
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1
1
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1
1
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0
3
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1
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8
1
1
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2
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B
1
0
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K
1
2
1
5
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4
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F
2
0
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3
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G
2
2
1
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4
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E
3
0
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H
1
0
2
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9
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H
R
O
T
S
I
S
N
A
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T
2
0
2
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6
0
0
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Q
9
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M
3
0
2
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D
0
1
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H
9
0
0
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Q
8
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M
4
0
2
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D
0
1
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F
2
0
1
5
Q
9
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B
5
0
2
5
D
0
1
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F
4
0
1
5
Q
6
-
B
7
0
2
5
D
0
1
-
G
5
0
1
5
Q
9
-
C
8
0
2
5
D
0
1
-
G
6
0
1
5
Q
1
1
-
F
1
0
3
5
D
0
1
-
L
1
0
2
5
Q
9
-
H
2
0
3
5
D
9
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L
2
0
3
5
Q
0
1
-
L
3
0
3
5
D
0
1
-
H
3
0
3
5
Q
0
1
-
M
4
0
3
5
D
9
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I
1
0
5
5
Q
4
-
K
5
0
3
5
D
9
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L
2
0
5
5
Q
4
-
G
6
0
3
5
D
0
1
-
L
3
0
5
5
Q
3
-
I
7
0
3
5
D
0
1
-
K
4
0
5
5
Q
3
-
I
8
0
3
5
D
9
-
I
5
0
5
5
Q
4
-
K
9
0
3
5
D
0
1
-
J
6
0
5
5
Q
4
-
K
1
0
7
5
D
9
-
N
4
0
7
5
Q
0
1
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C
4
0
7
5
D
0
1
-
N
5
0
7
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Q
0
1
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D
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1
7
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D
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H
6
0
7
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F
1
2
7
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D
7
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H
7
0
7
5
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9
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E
4
2
7
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D
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F
9
0
7
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Q
0
1
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M
6
2
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F
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1
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E
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F
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1
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E
~ D Board Location Table ~
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- 51 -
~ G Printed Wiring Board Conductor side ~
Note :
Portions of the circuit contained within
the marked areas as shown have high
voltages present. Use care to prevent
electric shock during inspection or repair.
An Isolation Transformer must be used
during any Service work to avoid possible
shock hazard due to live chassis. The
chassis of this receiver is directly
connected to the power line.
Portions of the circuit contained within
the marked areas as shown have high
voltages present. Use care to prevent
electric shock during inspection or repair.
An Isolation Transformer must be used
during any Service work to avoid possible
shock hazard due to live chassis. The
chassis of this receiver is directly
connected to the power line.
E
D
O
I
D
0
1
3
6
D
7
-
F
0
1
0
6
D
7
-
F
1
1
3
6
D
8
-
D
5
1
0
6
D
6
-
I
2
1
3
6
D
7
-
A
7
1
0
6
D
9
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G
5
1
3
6
D
7
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A
9
1
0
6
D
3
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H
6
1
3
6
D
8
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A
0
2
0
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D
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J
7
1
3
6
D
8
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B
1
2
0
6
D
2
-
J
8
1
3
6
D
3
-
B
2
2
0
6
D
1
-
I
9
1
3
6
D
8
-
B
3
2
0
6
D
3
-
J
0
2
3
6
D
8
-
B
0
0
1
6
D
0
1
-
I
3
2
3
6
D
8
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F
1
0
1
6
D
9
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H
C
I
2
0
1
6
D
8
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H
2
0
0
6
C
I
3
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F
3
0
1
6
D
8
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H
4
0
0
6
C
I
2
-
H
4
0
1
6
D
0
1
-
I
7
0
0
6
C
I
7
-
F
5
0
1
6
D
8
-
G
1
0
3
6
C
I
3
-
D
6
0
1
6
D
9
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I
2
0
3
6
C
I
8
-
E
8
0
1
6
D
9
-
G
3
0
3
6
C
I
2
-
C
0
0
3
6
D
6
-
E
4
0
3
6
C
I
8
-
D
1
0
3
6
D
6
-
D
R
O
T
S
I
S
N
A
R
T
2
0
3
6
D
2
-
D
4
0
0
6
Q
7
-
G
3
0
3
6
D
8
-
E
0
0
1
6
Q
8
-
G
4
0
3
6
D
3
-
D
2
0
1
6
Q
9
-
H
5
0
3
6
D
8
-
C
0
0
3
6
Q
8
-
D
6
0
3
6
D
8
-
D
1
0
3
6
Q
8
-
B
7
0
3
6
D
8
-
C
2
0
3
6
Q
8
-
C
8
0
3
6
D
6
-
C
3
0
3
6
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3
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C
9
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3
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5
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4
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2
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5
2
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3
2
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3
2
-
~ G Board IC Voltage Table ~
~ G Board Location Table ~
~ G Board Semiconductor
Voltage Table ~
A
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- 52 -
~ G Board Schematic Diagram [ Power Supply ] ~
TO H3 BOARD
CN3104
CN3104
TO H3 BOARD
CN3103
CN3103
TO A BOARD
CN6202
CN6202
TO A BOARD
CN6200
CN6200
A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
O
- 53 -
~ M2 Board Schematic Diagram [ Micro Processor ] ~
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