Pioneer VSX-LX52 Service Manual page 103

5
(D)
A
V+3R3_ADC
(D)
ADADAT R502 100
(D)
DIRLRCK 100
R503
(D)
47
DIRMCLK R504
DIRBCK R505 47
(D)
XADRST
R506
100
C564 C567
YB YB
0.1u/10 0.01u/16
C594 C568
YB
1000p/50 470p/50
GNDDAC GNDD GNDDAC GNDD
(DAC F) (DSP)
C563 C566
YB YB
0.1u/10 0.1u/10
C593 C596
1000p/50 1000p/50
GNDDAC GNDD GNDDAC GNDD
(DAC S) (DAC Z2)
C562 C565
YB YB
0.1u/10 0.1u/10
C592 C595
1000p/50 1000p/50
GNDDAC GNDD GNDDAC GNDD
(DAC C) (A/D)
C561
YB
0.1u/10
C591
NM
GNDDAC GNDD
(DAC B)
V+5_AD
R577 R576
NM F% NM
IC561
! NM
R578
1
Vo
Vadj
NM F%
2
GND
3
Vin
Vc
ZDZF *R529 100
(D)
47
Z2MCLK *R521
(D)
Z2BCK *R522 47
(D)
Z2ADAT 100
*R523
(D)
Z2LRCK *R524 100
XZ2DARST
R525
NM
Z2MUTE
R526
NM
5
6
: Audio Signal Route
: Digital Audio Signal Route
V+3R3_D V+5_DAC
ADC
GNDD
C509
10u/16
C508
IC501
AK5358AET
YB
0.1u/10
C507
SDTO DGND
9 8
470p/50 YB
LRCK VD
10 7
MCLK VA
11 6
SCLK AGND
12 5
PDN VCOM
13 4
C501
DIF CKS1
14 3
YB
CKS2 AINL 2.2u/10
15 2
(2125)
CKS0 AINR
16 1
GNDDAC
(A/D)
R561 C569
NM
NM
R562
GNDVC1
NM
R563 C570
NM
NM
R564
GNDVC2
NM
R565 C571
NM
NM
R566
GNDVC3
NM
R567 C572
NM
NM
GNDVCA
R568
GNDVC4
NM
R569 C573
NM
NM
R570
GNDVCZ2
NM
R571 C574
NM
NM
R572
GNDVCA
NM
GNDDAC
F%
V+5_DAC
D561 C575
5
NM
NM
C576
4
NM
R573
V+5_DDD1
NM
R574
NM
GNDAA GNDCH
V+5_DACZ2
*IC521
1 16
MCLK DZF
*R520
2 15
BICK DEM
NM
3 14
SDTI VDD
4 13
LRCK VSS
5 12
RSTN VCOM
*L541
6 11
SMUTE AOUTL
CTF1379-A
7 10
ACKS AOUTR
8 9
DIF0 DIF1
AK4388ET
*L542
CTF1379-A
GNDDAC
(DAC Z2) DAC ZONE2
6
V+5_ADC
*D486 *D487
*D488
NM NM NM
*C486
NM
*R492 *R491
NM
GNDA
C538
YB
DACFRO
R546
470p/50
C537
100
YB
DACFLO
R545
470p/50
C536
100
YB
DACSRO
R544
470p/50
C535
100
YB
DACSLO
R543 470p/50
C534
100
YB
DACSWO
R542
470p/50
C533
100 YB
DACCO
R541
470p/50
C532
100 YB
DACSBRO
R540
470p/50
100 C531
YB
DACSBLO
R539
470p/50
100
V+5_DDD
*R527
L562
100
*C530
ATL7002-A
4700p/25
GNDD
V+5_DAC
*C529
*L521
4700p/25
QTL1013-A
*R528
*C522
YB
0.1u/10
*R555
100
*R556
100
The mark found on some component parts should be replaced with
same parts (safety regulation authorized) of identical designation.
NM: No Mount
VSX-LX52
7
E
9/11
DIGITAL MAIN ASSY
(AWX9420)
• DSP BLOCK (4/5)
GNDSID
*D485
R486
NM
0
*C485
NM
GNDDAC
GNDU
L475
CTF1473-A
*L494
R475
RDSSI5 NM
NM
RDSSCK5
L476 R494
NM
XRDSRST5 CTF1473-A
R476 NM
TUSO L477
CTF1473-A
NM
R477
L478
TUSI5 CTF1473-A
R478 NM
TUSCK L479
CTF1473-A
NM
R479
NM
TUCE L480
CTF1473-A
NM
R480
V+5R6_U
GNDDAC
GNDVC1
R538
0
GNDVC2
R537
0
GNDVC3
R536
0
GNDVC4
R532
NM
R549
NM
R550
NM
YB
GNDDA
GNDCH
V+5_DAC
YB
V+5_DACD
L551
R552
100
QTL1013-A
4.7
(3216)
GNDVCZ2
4
5
6 D4
7
8
A
B
GNDD
GNDCH
CN482
XKP3078-A
AC INLET Side
15 GNDU(EMMA)
14 RDSSI5
13 RDSCK5
12 XRDSRST5
11 TUSO
10
TUSI5
9 TUSCK
C
8 TUCE
7 GNDA
6 SIRIUSL
5 GNDA
4 SIRIUSR
3
GNDA
2 V+5R6_U
1 V+5R6_U
1 RIN
VCOMGF(AD)
2
3 LIN
4 GNDAC(GNDA)
FRO
5
6 GNDAC(GNDA)
FLO
7
8 GNDAC(GNDA)
SRO
9
D
10 GNDAC(GNDA)
11 SLO
GNDAC(GNDA)
12
13 SWO
GNDAC(GNDA)
14
15 CO
GNDAC(GNDA)
16
17 SBRO
18 GNDAC(GNDA)
SBLO
19
20 GNDAC(GNDA)
ZONE2RO
21
22 GVCOMX
ZONE2LO
23
AC INLET Side
CN501
XKP3082-A
E
V+5_DACA
R551 NM
(1608)
S G
3
D3 D2
2
D1 1
Q551
RTQ025P02
Q552
DTC124EUA
GNDDAC
F
E
9/11
103
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