Sony BKPF-L753A Maintenance Manual page 29

TO/FROM
ADA-55 BOARD
BKPF-L753A
A B
CN-1855/1856
CN1(1/2)
1A IN_R(+)
2A IN_R(-)
8B OUT_R(+)1 OUT_R(+)1
8A OUT_R(-)1 OUT_R(-)1
9A OUT_R(+)2 OUT_R(+)2
10A OUT_R(-)2 OUT_R(-)2
9B OUT_R(+)3 OUT_R(+)3
10B OUT_R(-)3 OUT_R(-)3
9C OUT_R(+)4 OUT_R(+)4
10C OUT_R(-)4 OUT_R(-)4
3A GND
4A GND
7A GND
11A GND
1B GND
2B GND
3B GND
4B GND
11B GND
16B GND
3C GND
GND
4C GND
8C GND
11C GND
15C GND
CN1(2/2)
1C IN_L(+)
2C IN_L(-)
5A OUT_L(+)1 OUT_L(+)1
6A OUT_L(-)1 OUT_L(-)1
5B OUT_L(+)2 OUT_L(+)2
6B OUT_L(-)2 OUT_L(-)2
5C OUT_L(+)3 OUT_L(+)3
6C OUT_L(-)3 OUT_L(-)3
7B OUT_L(+)4 OUT_L(+)4
7C OUT_L(-)4 OUT_L(-)4
12A N.C.
13A N.C.
14A N.C.
15A N.C.
16A N.C.
12B N.C.
13B N.C.
14B N.C.
15B N.C.
12C N.C.
13C N.C.
GND
14C N.C.
16C N.C.
CN-1855
BOARD NO. 1-674-068-11, 12
LOT NO. 812-
C D
CN-1855/1856
CN2 CN1
IN_R(+) 1 1 IN_R(+)
2 2
IN_R(-) IN_R(-)
5 5
OUT_R(+)1
6 6 OUT_R(-)1
9 9 OUT_R(+)2
10 10 OUT_R(-)2
13 13
OUT_R(+)3
14 14 OUT_R(-)3
17 17 OUT_R(+)4
18 18 OUT_R(-)4
3 3
GND GND
4 4
GND GND
GND 7 7 GND
GND 8 8 GND
11 11
GND GND
12 12
GND GND
GND 15 15 GND
GND 16 16 GND
GND 19 19 GND
20 20
GND GND
GND
CN3 CN1(1/2)
IN_L(+) 1 1 1 IN_L(+)
IN_L(-) 2 2 2 IN_L(-)
5 5 5
OUT_L(+)1
6 6
6 OUT_L(-)1
9 9 9 OUT_L(+)2
10 10 10 OUT_L(-)2
13 13 13
OUT_L(+)3
14 14 14
OUT_L(-)3
17 17
17 OUT_L(+)4
18 18 18 OUT_L(-)4
3 3 3
GND GND
4 4 4
GND GND
7 7
GND 7 GND
GND 8 8 8 GND
GND 11 11 11 GND
12 12 12
GND GND
15 15
GND 15 GND
GND 16 16 16 GND
GND 19 19 19 GND
20 20 20
GND GND
GND
6-3 6-3
E
CN2
IN_R(+) 1
2
IN_R(-)
4
OUT_R(+)1
OUT_R(-)1 5
OUT_R(+)2 7
OUT_R(-)2 8
10
OUT_R(+)3
AUDIO
OUT_R(-)3 11 CH2
OUT_R(+)4 13
OUT_R(-)4 14
3
GND
6
GND
GND 9
GND 12
15
GND
GND
CN-1856
BOARD NO. 1-674-069-11, 12
CN2
IN_L(+) 1
CONT
IN_L(-) 2
4
OUT_L(+)1
OUT_L(-)1 5
OUT_L(+)2 7
OUT_L(-)2 8
10 AUDIO
OUT_L(+)3
CH1
11
OUT_L(-)3
OUT_L(+)4 13
OUT_L(-)4 14
3
GND
6
GND
GND 9
GND 12
GND 15
GND
CN-1856
BOARD NO. 1-674-069-11, 12
F G
1
2
3
4
5
H