Block Diagram; Overall - Sony BKPF-L753A Maintenance Manual

Section 5

Block Diagram

CN2 CN1 CN3 CN101 CN101
IN L(+) 1 2 2 2C 2C
IN L(-) 2 1 1 1C 1C
CN-1856
(L)(1/2)
CN2 CN1 CN2 CN101 CN101
IN R(+) 1 2 2 2A 2A
IN R(-) 2 1 1 1A 1A
CN-1856 CN-1855
(R)(1/2) (1/2)
CN101
13A
13B
13C
TO/FROM
MOTHERBOARD
CN101
14C
BKPF-L753A
1 GAIN
COR2
1 RV1
1CMMR
IC2
DIFF GAIN
AMP AMP
1 RV4
IC5
1 FINE
OFF ON
S1
600 Ω
ON/OFF
2 GAIN
COR1
1 RV2
2CMMR
IC1
DIFF GAIN
AMP AMP
1 RV3
IC3
2 FINE
OFF ON
S1
600 Ω
ON/OFF
DD1/DD36
12V +12V
OUT
5V DD-36
IN
-12V
-12V
OUT
Q1-4
POWER
DETECT
Q37
DIAG
R G
D1
POWER

Overall

Overall
+8dB
+4dB
0dB
-4dB
-8dB
Q5,6,13,14,21,22,29,30
POWER
AMP
IC6
INV
AMP
Q7,8,15,16,23,24,31,32
POWER
AMP
+8dB
+4dB
0dB
-4dB
Q9,10,17,18,25,26,33,34
-8dB COR3 MONO
POWER
AMP
STEREO
IC4
INV
AMP
Q11,12,19,20,27,28,35,36
POWER
AMP
IC11
DIAG
S/N 10001-11870
5-1 5-1
CN101 CN101 CN3 CN1 CN2
5A 5A 5 5 4
5B 5B 9 9 7
5C 5C 13 13 10
7B 7B 17 17 13
CN101 CN101 CN3 CN1 CN2
6A 6A 6 6 5
6B 6B 10 10 8
6C 6C 14 14 11
7C 7C 18 18 14
CN-1856
(L)(2/2)
CN101 CN101 CN2 CN1 CN2
9A 9A 5 5 4
9B 9B 9 9 7
9C 9C 13 13 10
8B 8B 17 17 13
CN101 CN101 CN2 CN1 CN2
10A 10A 6 6 5
10 10 8
10B 10B
10C 10C 14 14 11
8A 8A 18 18 14
CN-1855 CN-1856
(2/2) (R)(2/2)
CN101
SDA
15A
SCL
15B
12A
CARD ADD. 12B
12C
ADA-55
Overall
OUT L(+)1
OUT L(+)2
OUT L(+)3
OUT L(+)4
OUT L(-)1
OUT L(-)2
OUT L(-)3
OUT L(-)4
OUT R(+)1
OUT R(+)2
OUT R(+)3
OUT R(+)4
OUT R(-)1
OUT R(-)2
OUT R(-)3
OUT R(-)4