Sony STP-DA2KXJES Service Manual page 50

Dolby digital and pro logic surround and the dts digital surround
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STR-DA2100ES
• IC Block Diagrams
– VIDEO (AU) Board –
IC2560 BD3842FS-FD2
INA1
1
INA2
2
LOGIC
INB1
3
INB2
4
INC1
5
INC2
6
IND1
7
IND2
8
INE1
9
INE2
10
INF1
11
INF2
12
– DIGITAL Board –
IC1301 LC89056W-E
36
35
34
33
32
31
30
29
28
27
26
CE
37
C BIT
DETECT
CL
38
SAMPLING
XSEL
39
FREQUENCY
MICROCOMPUTER
MODE0
40
INTERFACE
MODE1
41
LOCK
X' TAL
DGND
42
DETECT
DVDD
43
DOSEL0
44
DATA
TIMING
DOSEL1
45
DEMODULATOR
CKSEL0
46
CKSEL1
47
XMODE
48
INPUT
CIRCUIT
1
2 3
4
5
6 7
8 9 10
STR-DA2100ES
24 DGND
23 CL
22 DA
21 VEE
20 GND
19 VCC
18 RECA1
17 RECA2
16 RECB1
15 RECB2
14 OUT1
13 OUT2
25
24
AUDIO
PA/PB
DETECT
23
EMPHA
22
XIN
21
XOUT
20
XMCK
19 DVDD
18 DGND
17
XSTATE
16
DATAO
15
LRCK
14
BCK
13
CKOUT
PLL
11 12
IC1302 TC74ACT153F (EL)
DATA INPUTS
STROBE
A
OUTPUT
VCC
2C3 2C2 2C1 2C0
2G
SELECT
2Y
9
16
15
14
13
12
11
10
2C3 2C2 2C1 2C0
2Y
2G
B
B
A
A
B
B
A
A
1G
1C3 1C2 1C1 1C0
1Y
1
2
3
4
5
6
7
8
STROBE
B
1C3 1C2 1C1 1C0
OUTPUT
GND
1G
SELECT
1Y
DATA INPUTS
IC1401 PCM1800E/2K
24
23
22
21
20
19
DIGITAL ∑
MODULATOR
DIGITAL ∑
MODULATOR
SINGLE-END
SINGLE-END
DEFERENTIAL
REFERENCE
DEFERENTIAL
CONVERTER
CONVERTER
1
2
3
4
5
50
50
18
17
16
15 14 13
1/64
SERIAL I/O
DECIMATION
INTERFACE
FILTER
&
&
MODE/FORMAT
LOW-CUT
CONTROL
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
6
7
8
9
10
11
12

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