Pioneer VSX-56TXi Service Manual page 53
Audio/video multi-channel receiver
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5
R500
0
IC501
R501
AK4383VT
150
1
MCLK
DZFL
DABC
2
BICK
DZFR
DA3
R503
R502
3
DA
SDTI
VDD
DALC
220
220
4
LRCK
VSS
R591
R588
5
PDN
AOUTL+
100
0
FL
6
CSN
AOUTL-
7
CCLK
AOUTR+
R581
R507
FR
8
CDTI
AOUTR-
220
0
9
DCLK
DSDM
DCK
10
DSDL
DSDR
220
R587
R586
220
0
R756
R522
IC521
220
R521
AK4383VT
150
1
MCLK
DZFL
2
DABC
BICK
DZFR
DA
DA2
3
SDTI
VDD
R526
4
DALC
LRCK
VSS
220
5
PDN
AOUTL+
C
CS
6
CSN
AOUTL-
CLK
7
CCLK
AOUTR+
SW
R525
8
CDTI
AOUTR-
220
DCK
9
DCLK
DSDM
D3
10
DSDL
DSDR
220
R523
D4
R524
220
DSDM
IC541
R541
AK4383VT
150
1
MCLK
DZFL
R542
DABC
2
BICK
DZFR
DA
220
3
DA1
SDTI
VDD
R584
4
DALC
LRCK
VSS
220
5
PDN
AOUTL+
SL
CS
6
CSN
AOUTL-
CLK
7
CCLK
AOUTR+
R582
SR
DATA
8
CDTI
AOUTR-
220
DCK
9
DCLK
DSDM
D5
10
DSDL
DSDR
220
R543
D6
DSDM
R544
220
IC561
AK4382A
R561
150
1
MCLK
DZFL
R504
2
DABC
BICK
DA
DZFR
220
3
DA0
SDTI
VDD
R583
4
DALC
LRCK
VSS
220
5
PDN
AOUTL+
SBL
CS
6
CSN
AOUTL-
CLK
7
CCLK
AOUTR+
DATA
SBR
8
CDTI
AOUTR-
V3D
R732
47
V3D
R721
5
4
2
YB
220
3
IC705
TC7SH04FU
C706
GNDD
IC706
R722
5
4
0.1/16
TC7SH04FU
2
220
3
V3D
GNDD
D721
1SS355
Q971
Q972
UN5112
UN5112
E
E
D971
DAP202K
B
B
C
C
3
3
D972
DAP202K
B
2
1
2
1
Q973
UN5212
GNDD
5
6
*
V5A
*
L501
GNDA
QTL1013
C502
R552
R601
10/16
20
1.5k
2.7k
19
C501
R551
R603
18
YB
YB
0.1/16
2.7k
1.5k
17
YB
(F)
16
15
(F)
14
GNDA
13
Q683
UN5112
12
Q684
UN5212
C
11
B
B
V5A
E
C972
L521
GNDA
*
QTL1013
C522
GNDD
GNDA
10/16
20
R553
R602
19
C521
1.5k
2.7k
18
R554
R604
17
0.1/16
(C)
1.5k
YB
2.7k
YB
16
(C)
YB
15
14
13
GNDA
12
11
V5A
L541
R555
GNDA
QTL1013
C542
1.5k
R556
10/16
20
1.5k
19
C541
18
0.1/16
17
(S)
YB
16
(S)
15
14
R557
13
0
12
R558
11
0
V5A
L561
GNDA
QTL1013
C562
R559
10/16
16
1.5k
15
R560
C561
14
1.5k
YB
0.1/16
13
(SB)
YB
12
(SB)
11
10
9
R505
1.5k
R562
1.5k
YB
R563
1.8k
YB
R564
1.8k
V+15
Q974
UN5112
E
B
R565
C
R977
1.8k
MUTE
470
R566
C
C971
1.8k
YB
4700p
YB
E
V-15
6
7
: AUDIO SIGNAL ROUTE (Lch)
(F)
: AUDIO SIGNAL ROUTE (FRONT Lch)
(S)
: AUDIO SIGNAL ROUTE (SURROUND Lch)
(SB)
: AUDIO SIGNAL ROUTE (SURROUND BACK Lch)
(C)
: AUDIO SIGNAL ROUTE (CENTER ch)
NJM4565MD(2/2)
V+15
C612
CH
R609
(F)
2
C607
8
R613
0.1/25
10/16
330
470
YF
1
(F)
IC601
R611
3
XP4506(1/2)
C611
4
Q601
330
2
0.1/25
CH
YF
GNDA
V-15
V+15
2SK208(YGR)
E
R691
D681
C
1M
1SS355
R692
D682
2SK208(YGR)
1M
1SS355
V-15
C608
R614
10/16
470
CH
Q601
R610
6
XP4506(1/2)
330
5
7
IC601
R612
5
330
NJM4565MD(2/2)
CH
V+15
NJM4565MD(2/2)
C694
CH
R621
R629
0.1/25
2
8
YF
2.7k
330
(C)
1
IC621
R623
R631
3
4
C613
YB
YB
330
2.7k
0.1/25
CH
YF
V-15
GNDA
YB
R622
R630
6
3.3k
4.7k
IC621
R632
R624
5
*
YB
4.7k
3.3k
NJM4565MD(2/2)
V+15
YB
GNDA
C696
CH
R641
R649
2
0.1/25
8
2.7k
330
(S)
1
IC641
R643
R651
3
C615
4
2.7k
YB
330
0.1/25
YF
CH
V-15
GNDA
NJM4565MD(2/2)
CH
R642
R650
6
330
2.7k
7
IC641
R644
R652
5
YB
330
2.7k
NJM4565MD(2/2)
CH
V+15
GNDA
C697
CH
R661
R669
0.1/25
2
8
2.7k
330
1
(SB)
IC661
R663
R671
3
4
C698
2.7k
YB
330
0.1/25
CH
NJM4565MD(2/2)
V-15
GNDA
CH
R662
R670
8
2.7k
330
IC661
R664
R672
YB
2.7k
330
4
NJM4565MD(2/2)
CH
GNDA
VSX-56TXi
7
8
V+15
C619
R687
C672
0.1/25
0.01
5.1k
R617
R683
2
YF
GNDD
8
C681
R681
0
4.7k
1
1
IC681
10/16
100
3
C671
4
6
YB
0.1/25
R685
C620
Q681
YF
S
3.9k
V-15
YB
G
0.01
GNDA
NJM4565MD(1/2)
D
D
Q682
G
R686
R688
S
3.9k
5.1k
R618
R684
6
C682
R682
0
7
4.7k
4
IC681
10/16
100
5
YB
3
NJM4565MD(1/2)
GNDA
(C)
(C)
C627
R633
R637
C
470
0
10/16
1
Q621
XP4506(1/2)
2
6
YB
(F)
FL
GNDA
GNDA
FR
C628
R634
R638
SW
470
100
4
10/16
Q621
XP4506(1/2)
5
7
C
3
YB
(C)
GNDA
SW
(S)
C647
R653
R657
SL
470
0
10/16
1
Q641
XP4506(1/2)
YF
2
6
YB
SR
SBL
GNDA
GNDA
(SB)
C648
R654
R658
SR
470
0
SBR
4
10/16
Q641
XP4506(1/2)
5
3
YB
C616
*
GNDA
*
C617
GNDA
(SB)
C667
R673
R677
SBL
0
470
10/16
1
Q661
(SB)
YF
XP4506(1/2)
2
6
YB
GNDA
YF
GNDA
C668
R674
R678
SBR
470
10/16
0
4
Q661
XP4506(1/2)
5
3
YB
GNDA
8
A
YB
(F)
FL
YB
B
GNDD
SW
FR
YB
R695
*
C
21
GND
20
ALIN
19
GND
18
ARIN
17
GND
16
FLO
15
GND
14
FRO
13
GND
12
CO
11
GND
10
SWO
D
9
GND
(S)
8
SLO
7
GND
6
SRO
5
GND
4
SBLO
3
GND
2
SBRO
1
GND
CN601
VKN1425
E
GNDD
F
Q
2/2
53
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