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Sony BKPF-L752 Maintenance Manual page 25

Audio d/a converter board
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Section 6
Schematic Diagrams
Index
Board Name
Function
CN-1858/1859 Boards
Connector Board
DAC-38 Board
Audio D/A Converter Board
BKPF-L752
A
B
Page
6-1
6-2
6-1
C
D
CN-1858/1859
BKPF-L752 (SY) : S/N 10001 and Higher
CN2
CN1
1
1
1C
AES_IN1(+)
2
AES/EBU
3
CN1
4
2
2A
AES_IN2(+)
5
6
GND
CN1
6C
OUT_L(+)1
OUT_L(+)1
7C
OUT_L(-)1
OUT_L(-)1
9C
OUT_R(+)1
OUT_R(+)1
10C
OUT_R(-)1
OUT_R(-)1
1A
GND
GND
1B
GND
GND
2B
GND
GND
2C
GND
GND
3A
GND
GND
3B
GND
GND
4B
GND
4C
GND
5A
GND
5B
GND
5C
GND
6B
GND
7B
GND
8A
GND
8B
GND
8C
GND
9B
GND
10B
GND
11A
GND
11B
GND
11C
GND
15C
GND
16B
GND
CN1
6A
OUT_L(+)2
OUT_L(+)2
OUT_L(-)2
OUT_L(-)2
7A
9A
OUT_R(+)2
OUT_R(+)2
10A
OUT_R(-)2
OUT_R(-)2
GND
CN1
GND
3C
SPARE
GND
4A
SPARE
GND
GND
CN1
GND
12A
N.C
12B
N.C
GND
12C
N.C
N.C
13A
13B
N.C
13C
N.C
14A
N.C
14B
N.C
14C
N.C
CN-1859
15A
N.C
15B
N.C
BOARD NO. 1-674-282-11
16A
N.C
LOT NO. 902-
16C
N.C
6-1
E
F
CN5
CN1
CN2
1
1
OUT1(+)
OUT1(+)
1
2
2
OUT1(-)
OUT1(-)
2
6
6
OUT2(+)
OUT2(+)
4
7
OUT2(-)
7
OUT2(-)
5
3
3
GND
GND
3
4
GND
4
GND
6
5
5
GND
GND
8
8
GND
9
GND
10
CN-1858
BOARD NO. 1-674-283-11
CN4
CN1
CN2
1
1
OUT3(+)
OUT3(+)
1
2
OUT3(-)
2
OUT3(-)
2
6
6
OUT4(+)
OUT4(+)
4
7
7
OUT4(-)
OUT4(-)
5
3
3
GND
GND
3
4
GND
4
GND
6
5
5
GND
GND
8
8
GND
9
9
GND
10
10
GND
CN-1858
GND
BOARD NO. 1-674-283-11
G
1
2
1
2
3
AUDIO
OUT
3
4
4
5
H

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