Pioneer VSX-LX52 Service Manual page 91

5
Y
OCK
E
V+3R3_HHH
303
010-A
R9353
100
HOTDET52
R9352
HOTDET53
100
R9351
100
PUSEL2
V+3R3_HHH
R9350
PUSEL1
100
XBAOUT
R9364
100
MCKX2
R9363
100
JRDCT
R9362
100
R9349 DAOFF
32 100
R9348 VBUSE2OUT
33 100
R9347 VBUSE2IN
100
R9345
R9346 RYHP
35
100
0 0
EXSTDIGITAL
36
EXOEDIGITAL
0 C1365
37
NM
XGARST
C1364
0
NM
C1363
GNDD
NM
C1362
GNDD
NM
RYVL
100
R9343
NECK8
100 0
R9341
NECK6/6OHM
100 0
R9339
OSDCS
0
0
R9337
100 XOSDRST
R9336
100 XVSRST
R9335
100 XHDTX2RST
R9334
XHDTX1RST
100
R1399
HDRXSCDT
100
R1398
XHDRXRST
R9365
100
XMRATE
0
XZ2DMUTE
ZSP
V+3R3_HHH
LOWER RIGH OF SHIELD CASE
CFV
16
DD
15
OE
14
Q5
4 5
13
Q6
3 6
12
Q7
2 7
11
Q8
1 8
10
100k
S'
R1363
9
GNDD
QS
5
6
LSSN
XDMUTE
IC1403 (1/4)
XSPDIF TC74VHC125FTS1
VCC
14 1
UNLK A
2
6/11-10/11
GND
7
IC1403
DC
(2/4)
7 GND
XMMUTE
5
A
4
14
VCC
XXM
7
IC1403
GND
(3/4)
9
A
14 10
VCC
GNDD
XZ2XM
XAMUTE
ZSP
XSBMUTE
ZDZF
XZ2DMUTE
XZ2MUTE
XZ3MUTE
IC1405
(4/4)
7
GND
R1449 R1439
TUSI 11 12
Y A
100 100
G
13 14
VCC
GNDD
V+5_GA
IC1402 (1/4)
TC74VHCT08AFTS1
14
1
XRDSRST/XSIRST
3
2
7
*R1458
V+5_EMST
0
C1401
0.1u/10
C1412
IC1406 (1/4)
TC74VHCT125AFTS1
1000p/50
VCC
14 1 G
R1405
SIRX A Y
2 3
100
7 GND
GNDU
V+5_DDD
IC1401 (1/4)
TC74VHC126FTS1
GND 7
R1402
3 2
SITX
Y A
100
V+3R3_EM_D
G
1 14
VCC
V+3R3_EM_D
C1400
0.1u/10
C1407
IC1401
1000p/50
(2/4)
VCC
G 4 14
*R1400
Y A
XXMERR/RDSSCK
6 5
0
GND
7
R1403
100k
GNDD
IC1401 (3/4)
7
GND
*R1401 R1453
8 9
XMIRQ/RDSSI
Y A
G 10 14
V+3R3_EM_D
VCC
GNDD
KN1304
VNF1109
LOWER LEFT OF SHIELD CASE
*KN1305
CKF1084-A
1
1
GNDCH4 GNDCH3
GNDD GNDD
6
V+5_GA
V+3R3_HHH
IC1404 (1/4)
TC74VHC02FTS1
V+3R3_HHH
C1402
G VCC
0.1u/10 14 13 G
14
2
Y
1 9
A Y
3
12 11
3
7
IC1403
10
GND
(4/4) 7
GNDD
6
GNDD GNDD
GNDD
Y
G
GNDD
V+3R3_HHH
8 (1/4)
IC1405
Y
TC74VHC125FTS1
VCC
G 14 1 G
A Y
GNDD
2
3
GND
7
IC1404
IC1402
(2/4) (2/4)
14 GNDD
5 4
4
6 VCC 5
7
14 4
G
IC1405
(2/4)
A Y
5 6
GNDD
GND
7
V+3R3_HHH
IC1404
IC1405
(3/4) IC1402
(3/4) 7
GND
(4/4)
14
8
10 9 8 12
A Y
9
7
13
14 10 G
VCC
GNDD
V+3R3_EM_D
Q1408
RN4903
(PNP)
TUSI5
XMICDET
Q1408
(NPN)
GNDD
EVREQO
EVSO
EVSCK
XRDSRST5
E 1/11
D1400
JTRST
RB501V-40
R1430
XEMRST 8
560
SIRX5
IC1407 (1/4)
TC74VHC08FTS1
14
1
R1408
3
EVSI
IC1407
100
2
7
R1412
11
EVREQI
100
IC1407 (2/4)
14
4
R1409
6
ACWP
SITX5
NM
5
7
GNDD
IC1406
IC1401
(3/4)
(4/4)
VCC
G 13 14
R1407
EM232TX Y A A
11 12 9
100
RDSSCK5 GND
7
R1451
100k
IC1406
(2/4)
GNDD
VCC
14 4 G
R1411 R1413
EM232RX A Y
5 6
100 100
GND
7
RDSSI5
100
TEMPERR
UPPER LEFT OF USB OF UPPER RIGHT OF
SHIELD CASE SHIELD CASE SHIELD CASE
KN1300 KN1301 KN1303
VNF1109 VNF1109
1 1
GNDCH2
GNDD
GNDD
VSX-LX52
7
V+5_EMST
R1419
R1417
2.2k
2.2k
Q1400
14
DTC114EUA
8
R1420
7
C1411 47
1000u/16
GNDU
IC1402
(3/4)
IC1408 (1/4)
TC74VHCT08AFTS1
14
1
3
Q1401
DTA124EUA
2
7
GNDD
Q1402
DTA124EUA
14
4
14
6
6
5
7
7
IC1408 (2/4)
CTF1528-A
VLSCK
VLSO
Z2VLSO
IC1408 (3/4)
14
9
14
8
11
CTF1528-A
10
7
Q1403
7
DTA124EUA
R1462
IC1408 (4/4)
GNDU
14
12
V+5R6_U
11
13
7
Q1404
DTA124EUA
XSMUTE
V+5R6_U
V+5_EMST
V+5R6_ST
NM
R1463
L1402 CTF1528-A
NM
R1464
L1403 CTF1528-A
R1465 NM
L1404 D1402
CTF1528-A
R1466
NM DAN202U
L1405 CTF1528-A
R1467
NM
CTF1528-A
L1406
R1468 NM
L1407 CTF1528-A
D1401
NM
0.1u/10
C1418
1000p/50
C1419
GNDD GNDU
IRIN
SRI
RMC
V+3R3_EM_D
SRO
IC1407
XOLERR
(3/4) R1423
14
9 100
R1431
470
10
7
NM
R1424
R1425
GNDD 100
R1426
(4/4)
100
14
12
R1446
E
2/11
NM
13
7
EMPOW
V+5_EMST
L1400
NM
GNDD
HOTPLUG
IC1404
(4/4) CEC_IO
NM
14
11 R1469
R1445
13
XVDDERR
47k E 1/11
12 XDCERR
7
XPROTECT
VCC
14 10 G
R1416
Y 232POW
8
100 232CDET
GND
7
232TX5
E 2/11
XFANERR
WATTS
IC1406 232RX5
(4/4)
VCC
G 13 14
Y A
11 12
GND
7
V+5_GA
V+3R3_EM_D
*Q1406 (PNP)
RN4903
KM200NA2L
*Q1406
(NPN)
*Q1407
NM
(PNP)
RN4903
*Q1407
(NPN)
R1460
1
NM
*Q1409
(PNP)
RN4903
R1459 *Q1409
(NPN)
NM
D1403
NM
GNDU C1420
NM
C1421
NM
GNDD
7
8
A
V+5_GA V+5_DDD
R1406
10
(1608)
B
CN1400
L1408
XKP3077-A
R1461
1
LSSN
NM
R1454
2
VLSCK
100
R1455
3
VLSO
100
R1456
4
Z2VLSO
100
5
Z2MUTE
6
AMUTE
L1409
7
SBMUTE
8
XMICDET
NM
9 GNDU
10 GNDU
11 V+5R6_U
12 V+5R6_U
13 Z3MUTE
AC INLET Side
E 2/11
AC INLET Side
C
*CN1401
VKN2098-A
V+5R6_ST
1
2 V+5R6_U
V+5R6_U
3
GNDU
4
GNDU
5
GNDU
6
GNDU
7
IRIN
8
9 SRIN
10 RMC
11 SROUT
12 XOLERR
13
EVREQO
14 XEMRST5
15 EVSI5
EVSO
16
EVSCK
17
EVREQI5
18
GNDU
19
20
D
EMPOW
21
22 LOWPOW
23 XSMUTE
24 HOTPLUG
25 CECIO
26 XVDDERR
27 XDCERR
28 XPROTECT
29 EV232RX5
30 EV232TX5
232EV
31
32 232POW
33 232CDET
34 TEMPLERR
35 TEMPHERR
36 XFANERR
37 WATTS
38 GNDU
39 GNDU
E 2/11,11/11
THROUGH PCB
E
CEC E 5/11
AC INLET Side
*CN1402
U
POS1
1
2
GNDU
CN7001
*CN1403
AKM1289-A
AC INLET Side
W
POS3
1
GNDU
2
GNDU CN7003
3
*CN1404
AKM1288-A
V
AC INLET Side
F
POS2
1
CN7002
GNDU
2
E
3/11
91
8