Audio/Tuner Block Diagram - Sony SLV-L49 Service Manual

SLV-L49/L52/L59/L69HF/L72HF/L79HF/L89HF/X55/X66HF

3-4. AUDIO/TUNER BLOCK DIAGRAM

MA-341 BOARD
L69HF/L72HF/79HF/
L89HF/X66HF MODEL
DRUM
AUDIO
CN260
HEAD
3 37
CH1
2
CH2
1 35
36
CJ561
L
LINE 1
AUDIO
IN
R
L69HF/L72HF/79HF/
L89HF/X66HF MODEL
(SEE PAGE 4-24)
JK-168
BOARD
CN801 CN423
L2 L
CJ801 L 3 3
LINE 2
AUDIO
IN
L2 R
R 5 5
L69HF/L72HF/79HF/
L89HF/X66HF MODEL
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
BIAS
FULL
ERASE
ERASE SW
1
OSC
HEAD HEAD
CN302
16
(SEE PAGE 4-7,11)
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
JS323
L49/L52/L59/X55
MODEL
L49/L52/L59/X55
MODEL
JS327 JS322
JS321
TU AUDIO L TU701 38
TU AUDIO R TU701 37
I2C DATA IC160 72
I2C SCL IC160 71
AF ENV IC160
AF SWP IC160 19 22
3-7
IC201
(2/2)
AUDIO
PROCESSOR
(MONO)
REC EQ
89 93 92
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
L69HF/L72HF/L79HF/
L89HF/X66HF MODEL
Q380
MUTE
SW
JS324 JS325 JS326
RF AUDIO
C389
L49/L52/L59/X55
MODEL
L69HF/L72HF/L79HF/
L89HF/X66HF MODEL
80
Q301
MUTE MUTE
81
82
FROM
A MUTE IC160 63 SYSCON (SEE PAGE 3-5)
BLOCK
3-8
L
Q382 CJ561
LINE
MUTE AUDIO
OUT
R
Q381
MUTE
TO
TU700 1
TUNER
TU701 1
BLOCK
(SEE PAGE 3-6)