Sony STR-K790 Service Manual page 36

STR-K790
QQ
3 7 63 1515 0
– DIGITAL Board –
IC1452 PCM1602APT
36 35 34 33
FUNCTION
RST 37
CONTROL
INTERFACE
SYSTEM
SCKI 38
SYSTEM
CLOCK
CLOCK
SCKO 39
MANAGER
BCK 40
LRCK 41
TEST 42
4X/8X
OVER SAMPLING
SERIAL
DIGITAL
VDD 43
INPUT
FILTER
INTERFACE
WITH
DGND 44
FUNCTION
CONTROLLER
DATA1 45
DATA2 46
DATA3 47
ZEROA 48
ZERO DETECT
1 2 3 4 5
TE
L 13942296513
– MAIN Board –
IC400 M61542FP
1
GND
INL5 2
INR5 3
INL4 4
INR4 5
INL3 6
INR3
7
INL2 8
INR2 9
INL1 10
www
INR1
11
AVEE 12
ADIFL
13
.
ADIFR
14
15
36
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32 31 30
29 28
OUTPUT AMP
DAC
OUTPUT AMP
DAC
OUTPUT AMP
DAC
ENHANCED
OUTPUT AMP
MULTI-
DAC
LEVEL
DELTA-
SIGMA
MOJULATOR
OUTPUT AMP
DAC
OUTPUT AMP
DAC
OUTPUT AMP
DAC
OUTPUT AMP
DAC
6 7 8
56 55 54 53
x Input ATT ao
y
(for ADC)
i
Input ATT
(for ADC)
16
17
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8
27 26 25
24 VCC3
23 AGND3
22 VCC4
21 AGND4
20 VOUT8
AND LPF
19 AGND6
AND LPF
18 VCC5
17 AGND5
AND LPF
16 VOUT7
AND LPF
15 VCOM
AND LPF
14 VOUT1
AND LPF
13 VOUT2
AND LPF
AND LPF
9 10 11 12
Q Q
3 6 7 1 3
Volume
Volume
Volume
u163
Volume
.
MCU I/F
18
19 20 21 22 23 24 25 26 27 28
2 9 9 4 2 8
IC1503 TC7WH157FU
1 8
1A
1B 2 7
2Y
3 6
GND
4 5
1 5 0 5 8 2 9 9 4
42 SRC
SLOUT
41
SLOUT
40
SLC
39
SLVIN
38
37 SLIGO
36 CIGO
35 CVIN
34 CVC
33 COUT
m
32 SWOUT
SWC
31
co 30 SWVIN
29 SWIGO
9 9
Vcc
1Y
2B
2A
2 8 9 9