Sony TA-AV571 - Integrated A/v Amplifier, Руководство по обслуживанию, Страница: 12 / 24

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SUPPLY
VOL/LOUD BASS TREBLE
SPEAKER
ATT
VOL/LOUD BASS TREBLE
SPEAKER
ATT
SERIAL BUS DECODER/LATCH
SCL SDA DIG GND OUT LEFT OUT RIGHT B OUT (R) B IN (R) B OUT (L) B IN (L)
LOUD (L)
LOUD (R)
R
TREBLE (R)
TREBLE (L)
A GND
VS
IN (R)
N.C N.C
L
1
2
3
4
5
6
7
8
9
15
10
11
12
13
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16
21
18
19
25
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24
22
23 20
34
32
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29
30
35
28
31
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40
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NOISE
FILTER
NOISE
CH
BALANCE
CONTROL
VR
CONTROL
LPF
V REF
VR
VR
NOISE
GENERATOR
VCA VCA
VCA VCA
VCA VCA
VCA VCA
LPF
LPF
RECT RECT RECT RECT
P. S.
P. S.
CMODE
MUTE
DIVIDER OSC
CONTROL
CTRIM
LOG
DIFF LOG
DIFF
DUAL T
CONTROL
L-IN
R-IN
V
SS
CLK
DATA
V CC
L-OUT
R-OUT
S-OUT
C-OUT
ENABLE
OSC1
CMODE-CAP.
C-TRIM DC CUT
R-BPF1
R-BPF2
R-BPF3
DC CUT
DC CUT
L-R RECT
L+R RECT
VCS-TH
VCS-1
VCS-2
BPF1
BPF2
VREF
S-CH DC OUT
C-CH DC OUT
L-CH DC OUT
R-CH DC OUT
VREF
L-BPF1
L-BPF2
L-BPF3
DC CUT
DC CUT
R RECT
L RECT
VLR-TH
VLR-1
VLR-2
IC201 LA2786
3-8. IC BLOCK DIAGRAMS
IC101 LC7822
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
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21
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CONTROL
LATCH
SHIFT RESISTOR
LEVEL SHIFT
CL
DI
CE
VEE
OUT
IN
OUT
IN
OUT
IN
VSS
S
RESET
VDD
OUT
IN IN
OUT
IN
OUT
IN
IC301, 302 TDA7315
1 5 6
+
–
+
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21
22
23 24
2 3 4 7 8 9 10 12 11
+
DEC
IN-FILTER
(40kHz)
VDD
ADM-CONT SRAM
ADM
OUT-FILTER
(7k/5k)
B-NR
DC-OUT
VOL/MUTE
S-TRIM
INV-PHASE
R+DELAY L+DELAY
A
B
A B A B
A B
A B
A B
A B
L–R
L+R
(–6dB)
A B
A.GND L-OUT
R-OUT
VREF S-OUT
DELAY-OUT
S-IN R-IN L-IN
VCC
NR-DET
ENABLE
DATA
CLK
D.GND
DC-CUT VDD OSC OSC
NR-IREF
DC-CUT
IC202 LV1016
PROTECTOR
DRIVE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG DRIVE
MUTE
+VOUT1 –VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2 +VOUT2
VCC1 VCC2
VEE
IC701, 702 µPC2581V