Audio Block Diagram - Sony SLV-ED8ME Service Manual

3-5. AUDIO BLOCK DIAGRAM

MA-325 BOARD (4/5)
(SEE PAGE 4-11,4-21)
CN301
1
IC071
MONO
AUDIO HEAD HEAD SW
2
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
VCC
24
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
3
L
LINE-2
AUDIO
IN
1
R
IO-64 BOARD (2/2)
(SEE PAGE 4-30)
ED8/EZ9
IC961
BUFFER
CN952
CNJ952
5 7 3
L
LINE-3
IN
AUDIO
(SAT IN)
3 1 1
R
RJ-79 BOARD (2/3)
(SEE PAGE 4-31)
05
IC201 (2/2)
NORMAL AUDIO PROCESS
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
3 37
AGC
AMP
9 36
AGC
DET
5
6
3
4
7
8
CN423
L2 (L) AUDIO
3
L2 (R) AUDIO
5
CN361
SAT L
3
SAT R
5
3-9
7 4
REC:
EP, LP
ALC
PB:
EP
REC
3 1
REC
ALC
DET
PB
PB ON PB
LINE
MUTE
AMP
10 11
PB
MUTE
CTL
IC360
Hi-Fi AUDIO PROCESS
LEVEL
DET
BPF
LPF
VCO
L ch
LPF
NR
BPF
VCO LPF
R ch
LPF
NR
EVR
OUTPUT
INPUT
SELECT
SELECT
NORMAL
SELECT
2 1 21 44
71
73
75
79
78
77
70
A MUTE
FULL ERASE
FULL ERASE
AF REC P
AF REC P
AF REC
SERVO/SYSTEM
AF REC
(SEE PAGE 3-8)
AF SWP
39 AF ENV
AF SW P 40
AF SWP
41 DATA (IIC)
SDA
42
SCL CLOCK (IIC)
CN901 CN951
LINE OUT L
1 1
LINE OUT R
3 3
RJ-79 BOARD (3/3)
(SEE PAGE 4-31)
18
19
15
16
12
20
MOD AUDIO
TUNER M
TUNER
(SEE PAGE 3-11)
TUNER L
TUNER R
3-10
SLV-ED8/EZ8/EZ9
CNJ953
L
LINE-2
AUDIO
OUT
R
CNJ901
L
LINE-1
AUDIO
OUT
R