Digital Mother Assy (7/8) - Pioneer VSX-AX4AVi-S Service Manual

1

3.19 DIGITAL MOTHER ASSY (7/8)

A
(F)
R451
FLOUT
stby
L 8/8
R452
FROUT
stby
L 8/8
B
V+12A
E2
Q482 (2/2)
RN4903
Q482 (1/2)
B2
RN4903
C
C2
B
INPUTATT
E
L 1/8
V-12A
GNDU
DOMK
C
DOLK
DOBK
(F)
DOFD
(C)
DOCD
XDARST
L 2/8
D
(DSD)
DSD1
DSD2
DSD3
DSD4
E
DSCK
F
L
7/8
62
1
2
R453
7.5k
R457 R459
E
3.9k stby
R461
B
22K
R462
B2
22K
R458 R460 E2
3.9k stby
R454
7.5k
DAD
DOLK
DOBK
(F)
DOFD
DOMK
R561 220
XDARST
V+3A
V+3A4
DOLK
DOBK
(C)
DOCD
DOMK
R661 220
XDARST
V+3A5
C979
4700p
C987
YB
C988
YB
stby
D113
GNDA
VSX-AX4AVi-S
2
3
(F)
C451
8
+
3
10/50 AT
-
4
2
IMX25 IC481
(1/2)
(1/2)
Q481
C
C2
IC481 (2/2)
Q481
(2/2)
IMX25
6
8
-
C452
5
+
4
10/50
AT
IC551 DSD1791DBR
R552 100
1 PLRCK
R553 100
2 PBCK
R554 0
3 PDATA
4 DBCK
R551 100
SCK
5
6 XRST
VDD
C555 7
0.01 YB
8 DGND
AGNDF
9
C559
10 VCCR
0.1/16 YB
AGNDR
11
12 VOUTR-
VOUTR+
13
C561
14 VCOM
0.1/16 YB
C560
FL,FR
100/10 AT
IC651 DSD1791DBR
R652 100
1 PLRCK
R653 100
PBCK
2
R654 0
3 PDATA
4 DBCK
R651 100
5 SCK
6 XRST
C655 7 VDD
0.01 YB
8 DGND
9 AGNDF
C659
10 VCCR
0.1/16 YB
AGNDR
11
(SW)
12 VOUTR-
(SW)
VOUTR+
13
C661
14 VCOM
0.1/16 YB
C660
C,SW
100/10 AT
(SW)
0.1/16
470p
GNDD
3
4
V+12A
BA4560RF
10/50
C453
R465
1
AT
R466
7
AT 10/50
100
C454
BA4560RF
V-12A
*
R555
220 R558
XMS 28
220 R559
MC 27
220 R560
MDI 26
DSDL 25
V+5AD2
DSDR
24
ZEROL 23
* R556
* R557
ZEROR
22
VCCF 21
VCCL
20
AGNDL 19
VOUTL-
18
(F)
VOUTL+ 17
AGNDC
16
C557
VCCC 15
YB 0.1/16
C556
AT 100/10
L552
QTL1013
* R655
220 R658
XMS 28
220 R659
MC
27
220 R660
MDI 26
DSDL 25
DSDR 24 V+5AD3
ZEROL 23
* R656
* R657
ZEROR 22
VCCF 21
VCCL 20
AGNDL 19
VOUTL-
18
(C)
VOUTL+ 17
AGNDC
16
C657
VCCC 15
YB
0.1/16
C656
AT 100/10
L652
QTL1013
(SW)
(*)MARKS VSX-AX4AVi
R555,R655 100
R562,R662
R563,R663
stby
R564,R664
R556,R656
0
R557,R657
4
(F)
100
DSCK
DACS1
DICK
DIDI
(DSD)
DSD1
DSD2
(F)
DSCK
DACS2
DICK
DIDI
DSD3
DSD4
(C)
DSD
VSX-AX2AV
stby
0
stby