Audio Block Diagram - Sony SLV-ED8KR Service Manual

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3-5. AUDIO BLOCK DIAGRAM

3 7 6 3 1 5 1 5 0
MA-325 BOARD (4/5)
(SEE PAGE 4-11,4-19,4-21,4-25)
CN301
1
MONO
AUDIO HEAD
2
T081, Q081
AUDIO BIAS ERASE
4
ERASE HEAD OSC
T091, Q091
CN302
FULL
BIAS ERASE
1
ERASE HEAD
OSC
IC340
AUDIO REC/PB AMP
Hi-Hi
CN502
AUDIO HEAD
PB
11 17
AMP
CH 1
18
T E
24
L 1 3 9 4 2 2 9 6 5 1 3
CH 2
PB
13 20
AMP
REC CURRENT
12 16
AMP
IC901
BUFFER
CNJ901
L 5 7
LINE-1
AUDIO
IN
3 1
R
CN480
CNJ480
L
LINE-2
AUDIO
IN
R
IO-64 BOARD (2/2)
(SEE PAGE 4-32)
w w w
.
IC071
IC201 (2/2)
HEAD SW
NORMAL AUDIO PROCESS
2
4 80 A-H SW
3
5
Q301
AUTO
BIAS
6
Q092
FULL ERASE
AF SWP
AF SWP 1
AF REC P
MUTE REC 4
AF REC
5
AF REC
VCC 3
AGC
AMP
9
AGC
DET
CN423
L2 (L) AUDIO
3 3
L2 (R) AUDIO
1 1
x a o
y
05
i
3-9
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8
7 4
REC:EP
ALC
PB:EP
REC
3 1
REC
ALC
DET
PB
PB ON PB
LINE
MUTE
AMP
10 11
PB
MUTE
IC360
Hi-Fi AUDIO PROCESS
LEVEL
DET
BPF
37
VCO LPF
Q Q
LPF
3 7 6 3
BPF
36 VCO LPF
LPF
5
6
3
EVR
4
INPUT
SELECT
7
8
2 1 21 44
u 1 6 3
.
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2 4
9 9 8
71
73
75
79
78
77
70
A MUTE
CTL
FULL ERASE
FULL ERASE
AF REC P
AF REC P
AF REC
AF REC
AF SWP
39 AF ENV
AF SW P 40
AF SWP
41 DATA (IIC)
SDA
42
SCL CLOCK (IIC)
L ch
1 5 1 5 0 8 9 2 4
NR
CN901
LINE OUT L
1
LINE OUT R
3
R ch
NR
18
19
OUTPUT
15
SELECT
16
12
NORMAL
20
SELECT
MOD AUDIO
TUNER L
TUNER R
m
c o
3-10
SLV-ED8/ED9
2
9 9
SERVO/SYSTEM
(SEE PAGE 3-8)
9 8 2 9 9
CN951
CNJ953
1
L
LINE-2
AUDIO
OUT
3
R
RJ-79 BOARD
(SEE PAGE 4-25)
CNJ901
L
LINE-1
AUDIO
OUT
R
TUNER
(SEE PAGE 3-11)