Digital Mother Assy (1/8) - Pioneer VSX-84TXSi Service Manual

1

3.13 DIGITAL MOTHER ASSY (1/8)

A
UART1
UART2
DHREQ
DHDI
DHDO
DHCLK
HDRDY5
XHRST5
DRDY5
XDRST5
B
R108
PGM
L 2/8, 3/8
POFF5
VSX-74TXVi ONLY
V+5UM
R179
XRST XRST
C
ACWP
1WWP
GNDU
OLDET
DISPREQ
VSX-74TXVi ONLY
DISPRDY
DISPRST
DISPCLK
DISPDO
DISPDI
D
IEIT5
IEDI5
IEDO5
IECLK5
XIERST5
M232TX
M232RX
M232CT
MTX
MRX
RDSXM5
E
XMIRQ5
XMLINK5
XMLSDT5
1 3
2
GDISP
F
L
1/8
50
1
2
V+5UM
R143 47k R144
R141 47k R142
VSX-74TXVi VSX-72TXV
ONLY ONLY
IPOL
XMOL
D110
V+5US
DAN202U
R139
R138
R122
DHREQ R145 100
R104 100k
C105 YB 0.1/16
C106 YB 470p
R109
5.1k
stby
DHDO R102
DHDI
100
DHCLK
HDRDY5
XHRST5
R105 100
IEDI5 R106 100
IEDO5 R110 100
IECLK5 R111 100
R107 100k
10k
XSBMU
XIERST5
DRDY5 R103
XDRST5 100
R112
100
stby C107
YB 0.1/16 C108
YB 470p C109
4700p
C135 R113 47k
IEIT5 R173 100
R174 100
POFF5
R115
100
R116
100
M232TX
C111
470p YB
C110
0.1/16 YB
R175
XMLSDT5 100
R125 100k
XMLINK5 R114
100
R120 100
M232RX
CONT5V
MAIN
V+5_6ST
5 7 9 11 13 15 17
4 6 8 10 12 14 16 18
AC
CN3201
2
3
R180 2.2k
47k
47k
R188
10k
100k
470k
470k
1
VREF
2
AVCC
3
HDMI/DSP DO
4
HDMI/DSP DI
5
HDMI/DSP CLK
6
HDMI RDY
7
HDMI RST
8
1394 DI
9
1394 DO
10
1394 CLK
11
SBMUTE
12
1394 RST
13
BYTE(L:16bit)
14
CNVSS
15
DSP RDY
16
DSP RST
17 IC101
RESET
PEG116A
18
XOUT
19
SYSTEM u-COM
VSS
20
XIN
21
VCC1
22
NMI
23
WAKEUP
24
1394 INT(RDY)
25
1W WAKEUP
26
RDS CK/XMLS
27
RDS DT/XMLINK
28
OL DET
29
POFFINFO
30
DISP REQ
31
DISP RDY
32
DISP RST
33
DISP CLK
34
DISP DO
35
DISP DI
36
232C TXD
37
VCC1
38
232C RXD
VIPOD
19 21 23 11 9 7 5
20 22 10 8 6 4
N
CN4302
VSX-74TXVi
3
4
MD9
102
D9
101 MD10
D10
100 MD11
D11
MD12
99
D12
98 MD13
D13
97 MD14
D14
MD15
96
D15
95
A0
94 MA1
A1
93 MA2
A2
92 MA3
A3
91 MA4
A4
90 MA5
A5
89 MA6
A6
88 MA7
A7
87
VSS
MA8
86
A8
85
VCC2
84
RY AC1
83
RY HP
82
RY A
81
RY B
80
RY C/R
79 MA9
A9
78 MA10
A10
MA11
77
A11
76 MA12
A12
75 MA13
A13
MA14
74
A14
73 MA15
A15
72 MA16
A16
MA17
71
A17
70 MA18
A18
69
A19
68
XCE
67
EVOL CLK
66
CS2
65
EVOL DT2
V+5_6U
V+5US
D103
1SS355
V+5_6ST V+5UMIN V+5UM
D102
L101
DAN202U
ATL7002
3 1
D108
2
RB520S-30
GNDU
4
RYAC
RYHP
RYAF
RYBS
RYCS
D111
stby
C976
stby
C981
YB 0.1/16
C982
YB 470p
GNDA