Audio Block Diagram - Sony SLV-789HF Service Manual

SLV-789HF/792HF/799HF

3-4. AUDIO BLOCK DIAGRAM

DRUM
AUDIO
CN260
HEAD
3
CH1
2
CH2
1
CJ561
L
LINE 1
AUDIO
IN
R
MF-316
BOARD
(SEE PAGE 4-26)
CN491 CN423
L2 L
CNJ491 L
3 3
LINE 2
AUDIO
IN
L2 R
R 5 5
CN270
HF ADJ
1
CHECK
CN301
4
AUDIO IC331
REC/PB
HEAD
HEAD
3 2 4
NOMAL
SW
AUDIO
AUDIO
ERASE 1
HEAD
T301,Q303
BIAS
FULL
ERASE
ERASE
1
OSC
HEAD HEAD
CN302
16
MA-342 BOARD
IC360
(SEE PAGE 4-9)
AUDIO
PROCESSOR
(HIFI)
37
PNR
L
H MUTE
BPF VCO
L
35
MUTE
36
MUTE
VCO
NA IN
PNR
NA OUT
LEVEL
R
DET
INPUT SEL
41 44 43 42 10 11 6 7 3 2
Q302
BIAS
SW
3-7
C389
13 RF AUDIO
16
15
17
18
14
22
21
IC201
(2/2)
AUDIO
PROCESSOR
(MONO)
REC EQ
89 93 92
P
R
L1
74
L2
76 ALC
TU
78
VREF
88 A-H SW REC
AUTO AUTO
87 85
BIAS
REC:EP,LP
PB:EP
86
FROM
TU AUDIO L TU701 38
TUNER
TU AUDIO R TU701 37
BLOCK
(SEE PAGE 3-6)
I2C DATA IC160 72
I2C SCL IC160 71
FROM/TO
SYSCON
AF ENV IC160 9
BLOCK
(SEE PAGE 3-6)
AF SWP IC160
19
AF REC P IC160 22
TO
TUNER
TU701 1
BLOCK
(SEE PAGE 3-6)
Q382
MUTE
Q381
Q380
MUTE
MUTE
SW
LINE
MUTE 80
AMP
81
REC
84 82
A MUTE
94
FROM
A MUTE IC160 63 SYSCON
BLOCK
(SEE PAGE 3-5)
3-8
L
CJ561
LINE
AUDIO
OUT
R