Sony STR-DA1200ES Service Manual page 72

STR-DA1200ES
• IC Block Diagrams
– DIGITAL Board –
IC2006 LC89057W-VF4A-E
48 47 46 45 44 43 42 41 40
MODULATOR
MICROCONTROLLER
&
INTERFACE
PARALLEL PORT
RXOUT 1
RX0 2
C bit,
U bit
RX1 3
RX2 4
DATA
RX3 5
INPUT
DEMODULATOR
SELECTOR
DATA
&
DGND 6
SELECTOR
LOCK DETECT
DVDD 7
RX4 8
RX5/V1 9
RX6/U1 10
PLL
DVDD 11
CLOCK
DGND 12 SELECTOR
13 14 15 16 17 18 19 20
IC2009 TC74HC151AF (EL)
D3 1 V
16 CC
D2 2 D2 D3 D4 15 D4
D1 3 D1 D5 14 D5
D0 4 D0 D6 13 D6
Y 5 Y D7 12 D7
XY 6 W A 11 A
7 10
OE S C B B
GND 8 9 C
STR-DA1200ES
39 38 37
36 RERR
35 INT
34 CKST
33 AUDIO/VO
32 EMPHA/UO
31 DGND
30 DVDD
29 XIN
28 XOUT
27 XMCK
1/N
26 DVDD
25 DGND
21 22 23 24
IC2012, 2044 SN74HC595ANS
16 15 14 13 12 11
VCC
SHIFT REGISTER
LATCH
2 3 4 5 6
1
PARALLEL DATA
OUTPUT
IC2017 TC74VHC393FT (EL)
14 13 12 11 10 9
VCC
Q Q Q
A B C
A
CLEAR
CLEAR
A
Q Q Q Q
A B C D
1 2 3 4 5 6
IC2022, 2036 TC7WH74FU (TE12R)
8 7 6 5
S R Q
C D Q
1 2 3 4
IC2024 PCM1802DBR
SINGLE-END/ 5TH ORDER
VINL 1
DIFFERENTIAL DELTA-SIGMA
CONVERTER MODULATOR
VINR 2
10 9
VREF1 3
REFERENCE
VREF2 4
SINGLE-END/ 5TH ORDER
DIFFERENTIAL DELTA-SIGMA
CONVERTER MODULATOR
VCC 5
POWER
AGND 6 SUPPLY
PDWN 7
GND
BYPAS 8
7 8
FSYNC 9
LRCK 10
72 72
IC2018, 2019 TC74VHC157FT (EL)
8
SELECT 11 1
Q
D 1A 2 1A
INPUT
1B 3 1B
OUTPUT 1Y 4 1Y
5
2A 2A
INPUT
6
2B 2B
GND
OUTPUT 2Y 7 2Y
7
GND 8
x16 1/64
(x1/128) SERIAL
DECIMATION INTERFACE
FILTER &
WITH MODE/FORMAT
DC CUT CONTROL
FILTER
CLOCK & TIMING CONTROL
16 V
CC
S
G 15 STROBE
4A 14 4A
INPUT
4B
4B 13
11 12 4Y OUTPUT
4Y
11 3A
3A
INPUT
3B 10 3B
3Y
9 3Y OUTPUT
20 MODE1
19 MODE0
18
FMT1
17 FMT0
16 OSR
15 SCKI
14
VDD
13 DGND
12 DOUT
11 BCK