Sony BKPF-L752 Maintenance Manual page 25

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