Audio Block Diagram - Sony slv-779hf Service Manual

SLV-772HF/779HF
Q Q
3 7 6 3 1 5 1 5 0

3-4. AUDIO BLOCK DIAGRAM

MA-341 BOARD
DRUM
AUDIO
CN260
HEAD
3 37
CH1
2
CH2
1 35
36
CJ561
L
LINE 1
AUDIO
IN
R
T E MF-316
L 1 3 9 4 2 2 9 6 5 1 3
BOARD
(SEE PAGE 4-23)
CN491 CN423
L2 L
CNJ491 L
3 3
LINE 2
AUDIO
IN
L2 R
R 5 5
HF ADJ
1
CHECK
CN270
CN301
4
AUDIO
IC331
REC/PB
HEAD
HEAD
3 2 4
NOMAL
SW
AUDIO
AUDIO
ERASE 1
HEAD
T301,Q303
Q302
BIAS
FULL BIAS
ERASE
ERASE SW
1
OSC
HEAD HEAD
CN302
w w w
16
(SEE PAGE 4-9,13)
IC360
AUDIO
PROCESSOR
(HIFI)
16
PNR
MUTE 15
L
H
BPF VCO
L 17
MUTE 18
MUTE 14
13
VCO
NA IN
22
PNR
NA OUT
LEVEL
R
DET
21
INPUT SEL
41 44 43 42 10 11 6 7 3 2
TU AUDIO L TU701 38
TU AUDIO R TU701 37
I2C DATA IC160 72
I2C CLK IC160 71
AF ENV IC160
x a o
y
AF SWP IC160
AF REC P IC160
. i
3-7
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IC201
(2/2)
AUDIO
PROCESSOR
(MONO)
REC EQ
Q Q
93 92
89 3 7 6
P
LINE
MUTE
AMP
R
L1
74
L2
76 ALC
TU
78
VREF
88 A-H SW REC
REC
AUTO AUTO
87 85 84
BIAS
A MUTE
REC:EP,LP
94
PB:EP
86
FROM
TUNER
(SEE PAGE 3-6)
BLOCK
FROM/TO
SYSCON (SEE PAGE 3-5)
9
BLOCK
u 1 6 3
19
22
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2 4
8 9 9
Q380
MUTE
SW
C389
3 1 5 1 5 0 8 9
80
81
82
FROM
A MUTE IC160 63 SYSCON
BLOCK
(SEE PAGE 3-5)
m
c o
.
3-8
2
8 9 9
L
Q382 CJ561
LINE
MUTE
AUDIO
OUT
R
Q381
MUTE
TO
RF AUDIO TU701 1 TUNER
BLOCK
(SEE PAGE 3-6)
2 4 9 8 2 9 9