Audio Block Diagram - Sony SLV-478 Service Manual

SLV-478/677HF/678HF/688HF/L47/L48/L57/
L58/L67HF/L68HF/L77HF/L78HF/X50/X60HF

3-4. AUDIO BLOCK DIAGRAM

MA-317 BOARD
(SEE PAGES 4-6, 15)
HIFI MODEL
IC340
AFM
REC/PB
DRUM AMP
AUDIO
HEAD
CN260 HA
3 17
EP
CH1
18
2 REC ON VCC
SP
24
HA
CH2
1 20
CA
16
X 5
PB ON
AGC
13
DET
CN341
HF ADJ
1
FM PB
3
IC160
IC160
TO/FROM
IC160
SYSCON
IC160
BLOCK
(SEE PAGE 3-5) IC160
IC160
IC733
FROM
TUNER
BLOCK
IC733
(SEE PAGE 3-10)
CJ570
L1 L
L
AUDIO
LINE 1 IN L1 R
R
EXCEPT
L57,L58,X50 MODEL
CJ801
CN801
CN423
L2 L
L 3 3
AUDIO
LINE 2 IN
L2 R
R 5 5
JK-161 EXCEPT
L57,L58,X50 MODEL
BOARD(2/2)
(SEE PAGE 4-24)
( 688HF,L57,L58,L77HF )
L78HF,X50 MODEL
SW 5V
IC360
L341 AUDIO
PROCESSOR
(HIFI)
14
VCC
MODEM
FM PB FM
3 37
BPF
MODEM
FM REC
AGC
+
9 36
AMP
H SW
1 40 AF SWP
MUTE REC 4
5
REC
LEVEL INPUT SEL
DET
39 41 42 1 2 5 6
50 REC
49 REC P
19 AF SWP
9 AF ENV
22 I2C DATA
17 I2C CLOCK
3 TU AUDIO L
4 TU AUDIO R
AUDIO
REC/PB
HEAD
AUDIO
ERASE X
HEAD
FULL
ERASE X
HEAD
3-7
SW 12V 35 SW 12V
MUTE 13
12
PNR
L
MUTE 14
OUTPUT
15
SEL
PNR
R
16
MUTE 17
NORM IN
21
NORM OUT
20
3 4
SW 5V
76
A VCC
REC
JS324
75
JS321
71
73
5
AUTO
BIAS
REC:
EP,LP
PB:EP
JS322
JS323
6 7 4
MONO
Q301
ONLY
BIAS
SW
CN301
1
IC301
HEAD SW
2 2 4
5
4
T331,Q331
BIAS
ERASE
1
OSC SW 5V
CN302
MONO
ONLY
MONO
ONLY
Q387
MUTE
IC201 (2/2)
AUDIO
PROCESSOR
(MONO)
70
MUTE
CTL
EQ
10 11
PB
PB:
LINE
LP,SP
MUTE 77
AMP
PB
9
8 ALC
REC
REC 64
3 1 63
A-H SW
2 80 79
+
3-8
TO
RF AUDIO TU701 1 TUNER
BLOCK
(SEE PAGE 3-9)
L
CJ570
AUDIO
LINE OUT
R
EXCEPT
MONO MODEL
A MUTE IC160 48
FROM
SYSCON
BLOCK
(SEE PAGE 3-5)
I2C DATA VIDEO IC160 52
I2C CLOCK VIDEO IC160 51