Digital Mother Assy (2/8) - Pioneer VSX-84TXSi Service Manual
Audio/video multi-channel receiver
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Also See for VSX-84TXSi:
- Operating instructions manual (92 pages) ,
- Service manual (72 pages) ,
- Service manual (72 pages)
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1
3.14 DIGITAL MOTHER ASSY (2/8)
A
V+3DD
GNDU
B
R191
R203
BUSY2
DDO
DDI
DCLK
CNVSS
DRDY
REQ2
XDRST
C
DREQ
POFF
RST2
RST1
R209
EXOE
EXDT
EXCK
EXST
R210
R211
D
CN202
STBY
VKN1414
VSS
10
D232TX
RXD(31)
9
D232CT
BUSY(34)
8
NC
7
VDD
6
DJGCLK
E
SCLK
5
D232RX
TXD
4
CNVSS
PGM(9)
3
XDRST
RST(12)
2
VSS
1
V+5_6ST
2SA1036K(QR)
L
1/8
F
POFF5
Q202
RT1N241M
L
2/8
GNDU
52
1
2
VSX-72TXV ONLY
V+3DD1
L201
VSX-74TXVi ONLY
QTL1013
47k
4.7k
1
2
3
4
R202
100
5
6
7
R205
100
8
R258
100
9
R206
100
10
R207
47k
11
12
C202
13
0.1/16
YB
14
R208
47k
15
C203
YB 470p
16
17
18
19
100
20
21
22
23
100
24
25
47k
R195
47k
R192
47k
R212
stby
R213
stby
CONT3V
L
3/8, 4/8
V+5_6U
D201
IC221
NJM2391DL1-33
DAN202U
IN
OUT
1
3
2
Q201
2
3
100
99 98 97
96 95
94
93
92
91
90
89
88
87
DSP2SSI
DSP2BUSY
HDO
HDI
HCLK
BYTE
CNVSS
HRDY
IRQ2
RESET
XOUT
DSP u-COM
VSS
PEG117A
XIN
IC201
VCC
NMI
(USB UNLK)
HREQ
POFF
DSP2RST
DSP1RST
EXOE
S DATA
S CLOCK
STB
CSN
26
27
28 29
30
31
32 33
34
35
36 37 38
39 40
V+3DD
E2
B2
C2
UMB1N
L
1/8
Q108
(2/2)
12VON
Q106
RT1N124M
VSX-74TXVi
3
4
R204
47k
R244
47k
86
85
84 83
82
81
80 79
78 77
76
75
DQ11
D11
74
DQ12
D12
73
DQ13
D13
72
DQ14
D14
71
DQ15
D15
70
A0
69
A1
68
A2
67
A3
66
A4
65
A5
64
A6
63
A7
62
VSS
61
A8
60
VCC
59
A9
58
A10
A10
57
A11
A11
A12
56
A12
55
A13
A13
54
A14
A14
A15
53
A15
52
A16
A16
51
A17
A17
41
42 43 44
45 46
47
48
49
50
R245
stby
DAD
V+12A
E
L
4/8, 7/8, 8/8
B
UMB1N
C
Q108
(1/2)
MFWRITE
L
1/8
4
A1
A2
A3
A4
A5
A6
A7
A8
A9
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