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VSX-LX70
Service manual
Digital Mother Assy (2/7) - Pioneer VSX-LX70 Service Manual
Audio/video multi-channel receiver
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Also See for VSX-LX70
:
Operating instructions manual
(96 pages)
,
Catalog
(20 pages)
,
Operating instructions manual
(99 pages)
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Contents
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1
10.12 DIGITAL MOTHER ASSY (2/7)
L
4/7
A
L
3/7
V+3DM
B
PGM
R202
MISO
MOSI
SPICLK
XDARST
XADRST
DDO
DDI
DCLK
DRDY
C
DSPON
DACS1
DACS2
XDRST
R216
4.7k
R215
4.7k
R211
C203
LSINT
0.1u/10
DREQ
POFF
XLSRST
LSSDA
LSSCK
DSDD
DEXPOE
D
DEXPST
DEXPCLK
DEXPDT
BUSY2
UNLK
D232RX
D232TX
VSS
10
T_RXD(31)
9
T_BUSY(34)
8
NC
7
T_VDD
6
E
T_SCLK
5
T_TXD
4
T_PGM(9)
3
T_RST(12)
2
VSS
1
CN205
NM
F
L
1/7
L
2/7
126
1
2
L
1/7
L
5/7
R239
47k
R242
47k
R207
5.1k
R206
47k
R203
47k
R204
47k
C201
1
NM
0.1u/16
2
YB
3
8
1
R201
4
2
7
DSP2MOSI/DSP CDIN
5
100
3
6
DSP2SCK/DSP CCLK
6
4
5
XDARST
7
XADRST
8
HDO
9
1
8
HDI
R205
10
2
7
HCLK
11
100
3
6
HRDY
12
5
4
DSPON
13
BYTE
14
CNVSS
R208
100
15
DACS1
C202
16
NM
DACS2
17
RESET
18
XOUT
19
VSS
20
XIN
21
VCC1
10k
R209
22
47k
NMI
R210
23
100
LSINT
YB
R212
100
24
DREQ
25
1
8
R213
POFF
26
7
100
2
XLSRST
27
3
6
LSSDT
28
4
5
LSSCK
29
DSDDIRECT
30
8
1
DEXPOE
31
R217
2
7
DEXPST
32
100
3
6
DEXPCLK
33
4
5
DEXPDT
34
1
8
DSP2BUSY
R219
35
7
2
UNLK
100
36
3
6
37
4
5
R220
38
47k
47k
R214
R218
47k
C204
YB
0.1u/16
PGM
XDRST
L
3/7
MRMUTE
N
1/2
CN4304
2
3
L
3/7, 5/7
C216
0.1u/16
YB
R250
C217
470p/50
100k
YB
GNDU
Vref
D9
VCC1
D10
DSP2MISO/DSP CDOUT
IC201
PEG396A
DSP u-COM
232CD2
VCC1
MPCM
232C2D
DSPPASS
C218
0.1u/16
YB
C219
470p/50
YB
GNDD
GNDD
VSX-LX70
3
4
L
AJ
4/4
CN901
AWP7047
GNDD
ONLY
102
D9
101
D10
100
D11
D11
99
D12
D12
98
D13
D13
97
D14
D14
96
D15
D15
95
A0
94
A1
A1
93
A2
A2
92
A3
A3
91
A4
A4
90
A5
A5
89
A6
A6
88
A7
A7
87
VSS
86
R238
A8
47k
A8
85
C205
0.1u/16
VCC2
R236
84
ROWE
4
5
83
100
DSP1CS
6
3
82
IRQ1
7
2
81
DSP1RST
8
1
80
DIRPDN
79
R235
47k
A9
A9
78
R237
A10
47k
A10
77
A11
A11
76
A12
A12
75
A13
A13
74
A14
A14
73
A15
A15
72
A16
A16
71
A17
A17
70
A18
A18
69
A19
68
XCE
XCE
100
R234
67
XON
66
65
XWE
XOE
GNDD
V-12A
V+12A
V+5_6U
GNDAP
L
N
1/2
CN4303
4
4/7, 5/7
V+5D
YB
ROWE
SPDIS1
REQ1
RST1
XPDN
XON
MPCM
DSPPASS
XTL0
DICS
3/7
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