Sony STR DA2400ES - 7.1 Channel Home Theater AV Receiver Service Manual page 76

STR-DA2400ES/DG920
• IC Block Diagrams
– DIGITAL Board –
IC2208 LC89057W-VF4A-E
48 47 46 45 44 43 42 41
MODULATOR
MICROCONTROLLER
&
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
IC2210 SN74HC595ANS
16 15 14 13 12 11 10
VCC
SHIFT REGISTER
LATCH
GND
2 3 4 5 6 7
1
PARALLEL DATA
OUTPUT
STR-DA2400ES/DG920
40 39 38 37
INTERFACE
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
IC2211 TC74VHC393FT (EL)
14 13 12 11 10 9 8
VCC
Q Q Q Q
A B C D
A
CLEAR
9
CLEAR
A
Q Q Q Q
A B C D
GND
1 2 3 4 5 6 7
IC2212 TC74VHC157FT (EL)
SELECT 11 1 16 V
CC
S
8
1A 2 1A G 15 STROBE
INPUT
1B 3 1B 4A 14 4A
INPUT
1Y 4 1Y 4B 13 4B
OUTPUT
2A 5 2A 4Y 11 12 4Y OUTPUT
INPUT
6 11 3A
2B 2B 3A
INPUT
2Y 7 2Y 3B 10 3B
OUTPUT
3Y
GND 8 9 3Y OUTPUT
IC2226 TC7WH74FU (TE12R)
8 7 6 5
S R Q
C D Q
1 2 3 4
IC2233 PCM1808PWR
DELTA-SIGMA
MODULATOR
DECIMATION
VREF 1 REFERENCE
HIGH-PASS
DELTA-SIGMA
MODULATOR
AGND 2
VCC 3
POWER
VDD 4 SUPPLY
DGND 5
SCKI 6
LRCK 7
IC2236 TC7W53FU (TE12R)
COMMON 1
INH 2
VEE 3
LOGIC
GND 4 LEVEL
CONVERTER
76 76
IC2230 TK11150CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT –
+
BANDGAP
REFERENCE
1 2
ANTIALIAS
14 VINR
LOW-PASS FILTER
ANTIALIAS
13 VINL
LOW-PASS FILTER
1/64 12 FMT
SERIAL
11 MD1
INTERFACE
FILTER
10 MD0
&
WITH
MODE/FORMAT 9 DOUT
CONTROL
8 BCK
FILTER
CLOCK & TIMING CONTROL
IC2237 TC74HC151AF (EL)
1
D3 16 V CC
8 VCC
D2 2 D2 D3 D4 15 D4
D1 3 D1 D5 14 D5
4 D0 D6 13
D0 D6
C
OUT IN 7 CH 0
Y 5 12 D7
Y D7
6 11
XY W A A
OE 7 S C B 10 B
C
OUT IN 6 CH 1
GND 8 9 C
5 A
4
3