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Block Diagram - Digital Audio Section - Sony STR-DA6400ES Service Manual

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Q Q
3 7 6 3 1 5 1 5 0
6-3.

BLOCK DIAGRAM - DIGITAL AUDIO Section -

FIELD PROGRAMMABLE
SDO1
40 SD0IN
SDO2
42 SD1IN
20
SDO3
43 SD2IN
(Page 30)
SDO4
45 SD3IN
BCK
18
BCKIN
LRCK
31
LRCKIN
SD-RAM
IC2002
DQ0 – DQ15
D0 – D15
A0 – A10
A0 – A10
BA0
19
74
BA0
XWE
XWE
15
81
XCS
18
76
XCS
XCAS
16
80
XCAS
XRAS
17
79
XRAS
LDQM
14
86
LDQM
UDQM
36
142
UNQM
CLK
35
143
CLK
CKE
CKE
34
144
FLASH MEMORY
IC2004
T E
DATA
2
14
∗DATA0
L
1 3 9 4 2 2 9 6 5 1 3
ASDI
5
1
∗ASD0
DCLK
∗DCLK
6
15
∗nCS0
nCS
1
2
6
DUCOM SDA
DUCOM SDA
DUCOM SCL
7
DUCOM SCL
MD_BUSY
46
DSP M-D BUSY
MD_INT
33
DSP M-D INT
19
w w w
DM_BUSY
47
DSP D-M BUSY
(Page 30)
MD2
35
DSP UCOM MODE
DRST_TRG
34
DSP UCOM END-FLAG
DUCOM_RESET
48
DSP_UCOM_RESET
STR-DA6400ES
GATE ARRAY
IC2003
SD0OUT
24
SD1OUT
25
SD2OUT
27
SD3OUT
28
BCKOUT
9
LRCKOUT
7
AMCKOUT
4
MCLKIN
17
SCL
88
SDA
72
X2001
SYSCLK
90
22.5792MHz
CLOCK
CLOCK
BUFFER
AMCKIN
22
SELECT
IC2006
IC2005
63
24MHz
(Page 29)
57
21
65 3
30
27
29
31
x
a o
y
.
i
http://www.xiaoyu163.com
LIP SYNC ADJUST
IC2223
4 DIA
DOA
19
20
DOB
5 DIB
DOC 21
6 DIC
DOD
22
7 DID
DQ0 – DQ15
DQ1 – DQ16
A0 – A10, BA
A0 – A11
WEN
43
15
WE
CSN
40
18
CS
SD-RAM
CASN
CAS
42
16
IC2224
RAS
RASN
41
17
36
UDQM
DQM 31
14
LDQM
CLKO
30
35
CLK
CKE
CKE
29
34
SI
10
SCLK
9
DMUTEN
14
3
BCKI
15
RSTN
2
MCKI
SIO
11
XCS
8
Q
Q
3
7
6
SYSTEM MUTING
SWICTH
Q2205, 2206
MUTING
SWITCH
IC2227
49
50
51
52
SYSTEM CONTROLLER
IC2513 (2/4)
u 1 6 3
31
31
2
4
8
9
9
D/A CONVERTER
6 DATA1
11 DATA2
12 DATA3
13 DATA4
COM1_DATA
17
(Page 29)
COM1_CLK
7 BCK
8 LRCK
BUFFER
5 SCK
IC2216
DAC_ZERODATA
1 ZR1
(Page 41)
64
DEV_I2C2_SDA
4 SDA
DEV_I2C2_SCL
3 SCL
3
1
5
1
5
0
8
9
D/A MCK
10
(Page 29)
ERR
ANA/DIGI
STB +3.3V
RESET SIGNAL
BUFFER
GENERATOR
IC2510
IC2505
7 OUT1
IN1 1
2 OUT2
IN2 6
3 IN3
OUT3 5
RESET
SWITCH
IC2512
RESET SIGNAL
BUFFER
IC2509
131
126
MD2 128
232C-SEL1
61
232C-SEL2 170
232C-MOUT 135
DATA SELECTOR
IC2507
m
232C-MIN 134
9
2Y
10
2C0
6 1C0
c o
5 1C1
1Y 7
2C1
11
A
.
14
STR-DA6400ES
2
8
9
9
IC2218
VOUT1
27
D/A-L
LOW-PASS
FILTER
IC2222
VOUT2
26
R-CH
VOUT3
22
D/A-SL
LOW-PASS
FILTER
IC2221
VOUT4
21
R-CH
21
(Page 36)
VOUT7
16
D/A-SBL
LOW-PASS
FILTER
IC2219
VOUT8
15
R-CH
VOUT5
20
D/A-C
LOW-PASS
FILTER
IC2220
VOUT6
19
D/A-SW
2
4
9
8
2
9
9
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
DATA SELECTOR
D232C_RX
18
(Page 30)
IC2506
D232C_TX
4 1C1
5 1C2
1Y 7
RX232C
30
2C1 11
(Page 34)
2C2 12
TX232C
9 2Y
2C0 10
A
B
14
2
J1499
RS-232C DRIVER
RS-232C
IC1499
12
R1IN 13
2
R1OUT
LEVEL SHIFT
11
T1IN
T1OUT 14
3
IC2504
NET-UART_NET/M
71
(Page 38)
NET-UART_M/NET
NET-UART_SEL

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