SD-AT1000 (serv.man11). Block diagram - Sharp Audio Service Manual (repair manual). Page 3

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SD-AT1000
– 14 –
 Figure 14 BLOCK DIAGRAM (3/10)
+5V(A)
+5V(A)
+5V(A)
+5V(D)
+3.3V(D)
SI3050LUS 
3
1
AK4586VQ
43
42
41
40
38
36
34
22 21 20 19 18 17 16 15 14 13 12
8
4
3
2
1
2
11
10
9
1
2
3
4
5
6
7
8
33
32
31
30
29
28
27
26
23
OVF 
COD_DO
COD_DI
COD_CLK 
COD_CSN 
DSP_SCCLK 
DSP_CS
DSP_SCDIN 
DSP_SCDOUT
DSP_RESET 
DSP_INTREQ
DIG_FUNC+B
NONPCM
COD_CSN 
COD_DO
D_+5V 
A_GND 
A_+9V 
LOUT3 
ROUT3 
LOUT2 
ROUT2 
LOUT1 
ROUT1 
LIN 
RIN 
DGND
PROTECT 
NONPCM
COD_CLK 
OVF 
COD_DI
PROTECT 
EX_CLK
MCLK
LRCK
AUDATA0 
SCLK
SDATA1
AUDATA2 
AUDATA1 
VCC
GND 
3Y
2A
1A
1
2
ADC/DAC/DIR
CONVERTER 
PVDD
PVSS
SLAVE 
TST 
RX2 
I2C 
RX1 
CAD0/CSN
SCL/CCLK
SDA/CDTI
CAD1/CDTO
INT1
INT0
MCKO
TX
XTI/EXTCLK
XTO 
DZF2/OVF
VREFH
AVDD
AVSS
LIN
RIN
ROUT1
ROUT2
ROUT3
LOUT3
LOUT2
LOUT1
DVSS
DVDD
TVDD
SDTO
SDTI3
SDTI2
SDTI1 
LRCK
BICK
15
14
12
11
10
9
8
7
6
5
4
3
2
1
13
CNP702
TO DISPLAY SECTION
13
12
11
10
9
8
7
6
5
4
3
2
1
TO MAIN SECTION
IC110
VOLTAGE
REGULATOR
D103
IC102
RX101
OPTICAL
DIGITAL IN
Q102
T
DU
NA
D104
CNP502
VOLTAGE
REGULATOR
IC109
TC7WU04U
DUAL2-INPUT
NAND GATE
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