Audio Block Diagram - Sony SLV-CA30 Service Manual

SLV-CA30/GA35/GA55/GA65/GF85/SA33/SP70/SP100

3-4. AUDIO BLOCK DIAGRAM

DRUM HEAD
Hi-Fi AUDIO
CH1
CH2
EXCEPT CA30/GA35/SA33
AUDIO
REC/PB
HEAD
AUDIO
ERASE
HEAD
FULL
ERASE
HEAD
MA-366 BOARD (3/4)
(SEE PAGE 4-9, 4-15)
GF85/SP100
Hi-Fi AUDIO PROCESSOR
HF
LPF
AGC
CN201
AMP
A RF CH1
4 37
A COMMON
3
A COMMON
7 36
A RF CH2
HF
8 35
LPF
LEVEL
DET
J901
LINE-1 IN
L
10
INPUT
AUDIO
SEL
11
R
GF85/SP100
CN202
HF ADJ
AF ENV
CHECK 1
44
BN302
1
CN331
JS372
PB A HEAD
1
REC A HEAD
2
CA30/GA35/SA33
JS371
BIAS
A ERASE HEAD
4 ERASE
OSC
T371, Q372-374
CN332
FE HEAD
1
EXCEPT CA30/GA35/SA33
05
3-7
IC301
PNR
VCO 16
L
OUTPUT MUTE 15
SEL
PNR
VCO 17
R
MUTE 18
13
MUTE 14
NORMAL IN
22
NORMAL OUT
21
43
S CLK
S DAT 42
AF SWP 41
JS351
GA55/GA65/SP70
BN301 GF85/SP100
1
EXCEPT GF85/SP100
JS354
+9V
Q375-377
BIAS
SWITCH
IC201 (2/2)
NORMAL
AUDIO PROCESSOR
EXCEPT
GF85/SP100
9
100
1
11
VCA
2
REC
4
EQUALIZER
MUTE 99 A MUTE
GF85/SP100
SCL
SDA
AF SWP
AF ENV
REC P
3-8
J901
LINE-1 OUT
L
AUDIO
R
GF85/SP100
VIDEO
AUDIO
(SEE PAGE 3-4)
SERVO/SYSTEM
CONTROL
(SEE PAGE 3-5)