Sony STR-K785 - IC Block Diagrams (Continued); Main Board IC Block Diagrams

33
STR-K785
IC501, IC601, IC701 STK350-530T-E
123 4 56
STAND-BY
CIRCUIT
PRE
DRIVER
PRE
DRIVER
DRIVER
DRIVER
47kΩ
33Ω
33Ω
4.7kΩ
789101112131415
STANDBY CONTROL
+VOUT1
-VOUT1
+VOUT2
VCC VCC
VEE
-VOUT2
NF1
PHASE PHASE
NF2
IN1 IN2
GND
– MAIN Board –
IC400 M61542FP
2
1
55
5356 54
16
17
3
4
5
6
5 Input selector
7
8
9
10
11
12
15
13
19
18
20
21 22 23 24 25 26 27 28
5 Input selector
45
29
30
32
31
Volume
14
Input ATT
(for ADC)
Input ATT
(for ADC)
36
35
33
34
Volume
37
38
40
39
Volume
GND
SRC
SLOUT
SLC
SLVIN
SLIGO
CIGO
CVIN
CVC
COUT
SWOUT
SWC
SWVIN
SWIGO
SLOUT
RECR2 RECR1 RECL1 LIGO LVIN LVC LOUT ROUT RVC RVIN RIGO SRIGO SRVIN RECL2
INL5
INR5
INL4
INR4
INL3
INR3
INL2
INR2
INL1
INR1
ADIFL
ADIFR
GND
LIN
RIN
SLIN
SRIN
CIN
SWIN
GND GND
DATA
CLOCK
DVDD
AVCC
GND
AVEE
44
43
41
42
Volume
52
51
49
50
Volume
46
48
47
Volume
MCU I/F
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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