Digital Mother Assy (2/7) - Pioneer VSX-94TXH Service Manual

1

10.12 DIGITAL MOTHER ASSY (2/7)

QQ
3 7 63 1515 0
L 4/7
A
L 3/7
V+3DM
B
PGM
R202 NM
MISO
MOSI
SPICLK
XDARST
XADRST
DDO
DDI
DCLK
DRDY
C
DSPON
DACS1
DACS2
XDRST
R216
4.7k
TE
L 13942296513
R215
4.7k
R211
C203
LSINT
YB
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
www
F
L 1/7
L
2/7
124
1
http://www.xiaoyu163.com
2
L 1/7 L 5/7
R240
47k
R242
47k
R207
5.1k
R206
47k
R203 47k
R204
47k
C201 1
0.1u/16 YB 2
3
1 8
R201 4
2 7
DSP2MOSI/DSP CDIN
5
100 3 6
DSP2SCK/DSP CCLK
6
4 5
XDARST
7
XADRST
8
HDO
9
8
1
HDI
R205
10
2 7
HCLK
11
6 100
3
HRDY
12
4 5
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
R212 100 24
DREQ
25
8
1 R213
POFF
26
2 7 100
XLSRST
27
6
3
LSSDT
28
4 5
LSSCK
29
DSDDIRECT
30
1 8
DEXPOE
31
R217 2 7
DEXPST
32
100 3 6
DEXPCLK
33
4 5
DEXPDT
34
8
1
DSP2BUSY
R219 35
2 7
UNLK
100 36
6
3
37
4 5
R220 38
47k
R214 47k
47k
R218
C204
0.1u/16 YB
PGM
XDRST
L 3/7
MRMUTE
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y
. i
N 1/2
CN4304
VSX-94TXH
2
http://www.xiaoyu163.com
3
8
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
Q Q
PEG396A
3 6 7 1 3
DSP u-COM
232CD2
VCC1 MPCM
232C2D DSPPASS
C218
0.1u/16 YB
u163
C219
470p/50
YB
GNDD GNDD
.
N
3
4
2 9 9 4 2 8
L
AJ 4/4
CN901
AWP7046
ONLY
GNDD
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 47k
A8
A8
85 C205 YB
0.1u/16
VCC2
R236
84
ROWE
ROWE
1 5 0 5 8 2 9 9 4
5 4
83 100
SPDIS1
DSP1CS
6 3
82
REQ1
IRQ1
2
7
81
RST1
DSP1RST
8 1
80
XPDN
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
MPCM
65
DSPPASS
XTL0
DICS
XWE
XOE
GNDD
V-12A V+12A
V+5_6U
GNDAP
m
co
L
1/2
CN4303
4
9 9
4/7, 5/7
V+5D
2 8 9 9
XON
3/7