Main Control Assy (3/3) - Pioneer VSX-LX50 Service Manual

1

10.5 MAIN CONTROL ASSY (3/3)

A
JA281
AKS7001
B V+5D
(TORX177L) V+5D1
DIGITAL
IN 1
L281
1 2 3
QTL1013
R281
JA282
100
AKS7001
(TORX177L)
DIGITAL
IN 2
1 2 3
R282
JA283
100
AKS7001
(TORX177L)
C DIGITAL
IN 3
1 2 3
R283
100
JA284
AKS7002
(TOTX177L)
DIGITAL
OUT
1 2 3 R284
stby
0.1/16
YB
C284
D
2 1
KN281
VNE1948
4 3
GCC
JA291
XKN3015
L291
7
2
IN
L292
3
5
L293
6
4
CONTROL L294
1
JA292
L295
RKN1004 3
OUT
2
1
GNDU
E RX
GND
TX
CVBSIN
SR
GNDVC
CVBSOUT
GNDVC
SR +
GNDVC
GND
SR
GNDVC
SYOUT
GNDVC
SCOUT
GNDVC
GNDVC
GNDVC
GNDVC
F
GNDVC
CbOUT
GNDVC
C 3/3
110
1
2
AB
CN3702
GNDT
GNDU
MAIN
V+5_6U
(D)
GNDVC
GNDVC
V+12T
GNDVC
(D) GNDVC
L381
12TRG1
QTL1013
12DET
GNDDI
SIRIUS_TX
C 1/3
SIRIUS_RX
SIRIUS_RESET
V+5_6U XKP3066
23DET
R291
232CT
STBY
CTF1473 23TXD
D291
CTF1473 23RXD
CTF1473 1SS355 RMC
CTF1473 SRI
FVY
SRO
CTF1473
GNDU
(SY)
(SC)
FVC
GAV
SDET
CN106
XKP3082
CVBSI
23
GNDVC
22
CVBSO
21
GNDVC
20
SYI
19
SYIN
GNDVC
18
SCI
17
SCIN
GNDVC
16
CRO
SYO
15
GNDVC
GNDVC
14
CBO
SCO
13
GNDVC
GNDVC
12
YO
YI
11
YIN
GNDVC
GNDVC
10
CBI
9
CbIN
CRI
GNDVC
8
GNDVC
CRI
7
CrIN
CBI
GNDVC
6
GNDVC
YO
5
YOUT
YI
GNDVC
4
CBO
3
GNDVC
2
CRO GNDVC
1
CrOUT
2
3
C 1/3
(TUNER)
V+12T
XKP3067
CN111
CN109
SYI iPodR
SYIN
1
GNDA
12
GNDVC
2
SCI
GNDA
SCIN
3
iPodL 10
GNDVC
4
SYO V-7A
SYOUT
5
V+7A
GNDVC
6
SCO iP-DET
SCOUT
7
iP-TX
GNDVC
8
iP-RX
V+12T
9
GNDVC
12VTRG1
10
CVBSI
12VDET
11
GNDVC
SIRIUS_TX
12
CVBSO
SIRIUS_RX
13
SIRIUS_REST
14
XKP3066
15
NC
AWX
*
8817
CN108
R381 STBY
V+5_6U
1
R382 STBY
232C DET
2
R383 STBY
232C CTS
3
232C TXD
4
R384 STBY
232C RXD
5
6 GNDU
GNDU
7
FVY
8
GAV
9
CN112
GAV
10
XKP3082
FVC
11
GNDD
1
12
SYNC DET
FOPT
2
NC
13
V+12A 3
iPodL 4
iPodR 5
R383 R381
6
MRL
7
MRR
R384
GNDU
8
TL
CN107
TR 9
XKP3066
V+7A 10
13
GNDU
V-7A 11
12
CrOUT
12
FVL
11
GNDVC
FVR 13
10
CbOUT
14
GNDA
9
GNDVC
15
GNDA
8
YOUT
SIRIUS_L 16
7
GNDVC
SIRIUS_R 17
6
GNDVC
MIC 18
5
CrIN
uGRTN
19
4
GNDVC
uGRTN
20
3
CbIN
21
VLCK
2
GNDVC
VLDT 22
1 R385
YIN
GNDU
23
VSX-LX50
3
4
C 1/3 C 2/3
(MR)
MDET
SDET
12DET
IPDET
23DET
SRI
SRO
RMC
AV
V+12A
IPR
13 V+7A
GAV
FV (V)
11
GNDA
IPL
MRR
9
8
V-7A
IPDET
7
IPTX MRL
6
IPRX
MRMUTE
5
GNDVC
VLCK
4
CVBSI
3 MRDT
GNDVC
2
CVBSO
1
GNDA
AWX
8816
STBY
STBY
0
0
(L)
V+12A
V+5D CN113
CKS3382
17
16
15
(SC)
14
GNDDI
FVC
13
IPL
FVY
12
IPR
(SY)
FV
11
MRL
(V)
10
R382
MRR
9
MDET
(M)
(L)
8
MIC
7
V+7A
6
(L) GAV
5
FVL
4
FVR
(L)
3
2
1
GNDA
GNDA
MIC
(M)
V-7A
VLCK
VLDT
stby
GNDU GNDU
(uGRTN)
4
(XM)
C 1/3
XKP3065
CN110
1
GAV
2
GAV
3 FV
4 V+12A
5 MRR
6
GNDA
7
GNDA
8
MRL
9 MRMUTE
10 VLCK
11 MRDT
TL
TR
V+5D
FOPT
GNDD
GNDD
FVC
FVY
FV
GAV
GAV
MICDET
MICOUT
GNDA
GNDA
FVL
FVR
V+7A
V-7A
C 2/3