Dsp Assy (2/2) - Pioneer VSX-D814-K Service Manual

Audio/video multi-channel receiver
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1

3.7 DSP ASSY (2/2)

A
V3D
V38
B
5V
3V
IC8701
Level shifter
TC74LVX244FT
GNDD
C
V5D1
V56
5V
3V
TC74VHCT244AFT
Level shifter
D
GNDD
IE
E
GNDD
F
A B
2/2
24
1
2
DSDO
DSRQ
96DTS
MODEL
OTHERS
R8544
47
IC8702
GNDD
A
3/3
CN112
2
3
R8534
10k
IC8503
C8552
R8542
L8505
C8553
R8543
R8544
R8545
R8546
USE
NO
USE
NO USE
USE
FDTO
V3D
SDTO
V35
CDTO
BDTO
G
Y
FDTI
H
HI-Z
L
ON
MCLK
1
8
G1
Vcc
IC8503
2
7
A1
TC7WH125FU
G2
R8545
LCKO
3
6
Y2
Y1
47
4
5
GND
A2
R8546
BCKI
47
C8552
CH 470
C8553
YB 0.1
BCKO
LCKI
MC
1394
LSSN
GNDD
R8809
0
GNDD
CN8012
52045-1945
VSX-D814-K
3
4
V3D
C
B
Q8501
UN5212
E
GNDD
R8502
100
R8501
100
R8503
100
R8504
4.7k
SCK
1
SS
2
R8505
3
HREQ
10k
4
SDO0
5
SDO1
6
SDO2
7
SDO3
8
VCCS
9
GNDS
10
SDI1
R8557
47
11
SDI0
R8511
12
FST
47
13
FSR
R8512
14
SCKT
47
R8513
15
SCKR
47
R8514
16
HCKT
47
17
HCKR
18
VCCQL
19
GNDQ
20
VCCQH
21
PB12
22
PB11
R8515
47k
23
PB15
R8516
4.7k
24
PB14
25
VCCS
26
GNDS
27
ADO
28
ACI
R8517
10k
29
TIO0
R8518
4.7k
30
PB13
31
PB10
32
PB9
R8519
33
PB8
34
47k
PB7
35
PB6
36
PB5
BUSY
V3D
D8501
1SS355
Q8503
4
UN5112
1
2
E
3
B
3
5
C
Q8504
2 1
2 1
(1/2)
6
UMD2N
4
JTAG
TP5
TP4
TP3
TP2
TP1
144
143
142
141
140139
138
137
MUTE
96DTS
37
38
39
40
41
42
43 44
C8512
470p
CH
C8513
0.1
YB
R8526
100
3
Q8504
(2/2)
UMD2N
2
1
GNDD

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