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

1

3.20 DIGITAL MOTHER ASSY (8/8)

A
DSCK
DSD5
DSD6
DOMK
DOLK
DOBK
(S)
DOSD
(SB)
DOBD
B
(F)
DOTD
DIDI
DICK
XDARST
DACS2
DACS3
DTMK
DTLK
DTBK
C
(*)MARKS VSX-74TXVi VSX-72TXV
R755 100 stby
R762,R763
stby 0
D R764
stby
R756,R757 0
E
F
L
8/8
64
1
2
R752
DOLK
R753
DOBK
(S)
R754
DOSD
R751
DOMK
R761 220
XDARST
C755
0.01
C759
V+3A
0.1/16
C761
V+3A1
0.1/16
C760
100/10
R852
DOLK
R853
DOBK
(SB)
R854
DOBD
R851
DOMK
R861 220
XDARST
C855
0.01
C859
0.1/16
C861
V+3A2
0.1/16
C860
100/10
R952
DTLK
R953
DTBK
(F)
R954
DOTD
R951
DTMK
R961 220
XDARST
C955
0.01
C959
0.1/16
C961
V+3A3
0.1/16
C960
100/10
GNDA
VSX-74TXVi
2
3
IC751 DSD1791DBR
100 220
PLRCK XMS
1 28
100 220
PBCK MC
2 27
0 220
PDATA MDI
3 26
DBCK DSDL
4 25
100
SCK DSDR
5 24 V+5AD4
XRST ZEROL
6 23
VDD ZEROR
YB 7 22
8 DGND VCCF 21
9 AGNDF VCCL 20
10 VCCR AGNDL 19
YB
11 AGNDR VOUTL- 18
12 VOUTR- VOUTL+ 17
13 VOUTR+ AGNDC 16
14 VCOM VCCC 15
YB
AT AT
SL,SR
IC851 DSD1791DBR
100 220
1 PLRCK XMS 28
100 220
PBCK MC
2 27
0 220
PDATA MDI
3 26
DBCK DSDL
4 25
100
SCK DSDR
5 24
V+5AD5
XRST ZEROL
6 23
VDD ZEROR
YB 7 22
DGND VCCF
8 21
AGNDF VCCL
9 20
10 VCCR AGNDL 19
YB
11 AGNDR VOUTL- 18
12 VOUTR- VOUTL+ 17
13 VOUTR+ AGNDC 16
14 VCOM VCCC 15
YB YB
AT AT 100/10
SBL,SBR
220
IC951 DSD1791DBR
100 stby
1 PLRCK XMS 28
100 220
2 PBCK MC 27
0 220
3 PDATA MDI 26
DBCK DSDL
4 25
100
SCK DSDR
5 24
V+5AD6
XRST ZEROL
6 23
VDD ZEROR
7 22
YB
DGND VCCF
8 21
AGNDF VCCL
9 20
VCCR AGNDL
10 19
YB
AGNDR VOUTL-
11 18
12 VOUTR- VOUTL+ 17
13 VOUTR+ AGNDC 16
14 VCOM VCCC 15
YB
YB
AT AT 100/10
STL,STR
3
4
DAD
* R755
DSCK
R758
DACS2
R759
DICK
R760
DIDI
DSD5
DSD6
* R756
* R757
(S)
(S)
C757
V+5AD
0.1/16
C756
L752
QTL1013
R855
DSCK
stby
R858
DACS2
R859
DICK
R860
DIDI
0.1/16
C858
YB
(SB)
(SB)
C857
0.1/16
C856
L852
QTL1013
R949
DACS3
R958
DACS2
R959
DICK
R960
DIDI
VSX-72TXV ONLY
R950
C958
YB 0.1/16
(F)
(F)
C957
0.1/16
C956
L952
QTL1013
4