VSX-LX50
26
1
2
3
4
1
2
3
4
C
D
F
A
B
E
4.2 BLOCK DIAGRAM for AUDIO BLOCK
UPC4570G2
UPC4570G2
UPC4570G2
UPC4570G2
R2S152005
F
P
UPC4570G2
BA4560R
F
SBL
BA4560R
F
BA4560R
F
TC74
V
HC157
F
T
BA4560R
F
BA4560R
F
BA4560R
F
AK4114
VQ
TC74
V
HC157
F
T
21366KBCZ-1AA
A
D
SP-
5
1
7
3
3
11
14
2
16
4
3
1
23
7
4
21
10
17
20
3
14
6
6
4
7
1
10
62
79
77
75
76
73
72
68
60
70
66
64
2
7
3
3
56
58
9
12
5
9
13
1
1
7
7
7
17
3
3
36
50
46
48
40
34
32
31
30
28
6
12
8
22
16
1
1
1
3
5
1
7
3
21
7
12
18
16
2
8
17
7
19
28
17
19
1
16
4
5
3
7
10
1
2
25
9
4
2
4
2
1
2
3
1
1
3
P14
P13
P12
9
17
15 16 14
22
16
14
15 17
78
82
81
83
84
46
44
42
3
48
3
M13
M14
P11
P10
L14
COUT
SBLOUT
SWOUT
D
+
M
I
COUT
M
I
COUT
D
+
FV
L
F
OPT
FV
L
F
OPT
OPTOUT
OPT
IN
2
OPT
IN
3
FV
L
F
OPT
OPT
IN
1
TL
TL
SBL
C
SW
SL
SLOUT
LOUT
L
USB
SP
DIF
S
I
R
I
US
AOUTL
M
I
C
FV
L
OUT
L
F
OPT
TL
C
SW
M
I
COUT
S
I
R
I
USL
USB
SP
DIF
F
OPT
-
L
SL
D
T3O
D
T2O
D
T1O
D
T0O
SBL
MUL
T
I IN
C
SL
SW
DV
R
/V
CR2
R
E
C
OUT
L
L
C
D
R
/
TAP
E/
M
D
DV
R
/V
CR1
DV
R
/V
CR2
L
L
L
A
N
ALOG
IN
PUT
T
V/
SAT
DV
R
/V
CR1
L
L
DVD/
L
D
C
D
R
/
TAP
E/
M
D
L
L
C
D
L
TCC8600
M
I
C
IN
VIDE
O
/
GAM
E
USB
L
F
RO
N
T
OPT
IN
OPT
IN
3
OPT
OUT
OPT
IN
2
OPT
IN
1
TU
NE
R
S
I
R
I
US
V
SX-91TXH,
V
SX-9120TXH
O
N
L
Y
V
SX-LX50
O
N
L
Y
8ch
V
OL.
PR
E
Amp
DI
R&
DI
T
2ch
A
D
C
M
I
X
Amp
LP
F
Amp
D
SP
COAX2
COAX1
XM
RA
DI
O
XM
D
T
H
D
M
I
OUT
H
D
M
I IN
2
H
D
M
I IN
1
H
D
M
I
(
XM
/DI
R
)
Selector
(
H
D
M
I)
Selector
1st
C
N
526
(
2
/
2
)
C
N
525
(
2
/
2
)
C
N
526
(
1
/
2
)
C
N
524
(
1
/
2
)
C
N
525
(
1
/
2
)
C
N
521
(
2
/
2
)
C
N
523
(
2
/
3
)
C
N
524
(
2
/
2
)
C
N
523
(
3
/
3
)
C
N
523
(
1
/
3
)
C
N
522
(
2
/
2
)
C
N
522
(
1
/
2
)
C
N
521
(
1
/
2
)
C
N
701
I
C701
I
C741
C
N
702
JA2701
JA2751
JA2651
JA2652
C
N
2651
JA283
JA284
JA282
C
N
113
J1602
JA281
C
N
281
C
N
3702
JA1601
C
N
3703
C
N
1
C
N
520
I
C861
I
C821
(
1
/
2
)
I
C821
(
2
/
2
)
C
N
516
I
C501
C
N
509
I
C841
I
C801
I
C781
I
C741
(
1
/
2
)
I
C741
(
2
/
2
)
C
N
302
C
N
112
C
N
901
C
N
507
I
C761
I
C701
I
C702
JA351
(
2
/
2
)
C
N
3701
C
N
501
JA351
(
1
/
2
)
JA301
JA102
JA101
C
N
301
I
C301
I
C601
I
C651
C
N
1001
C
N
801
I
C101
H
D
M
I
&
DVC
ASS
Y
AUDIO
IN
ASS
Y
A
DSP
ASS
Y
G
S
-
VIDEO
ASS
Y
I
M
AIN
CONTROL
ASS
Y
C
F
RONT
-
IN
ASS
Y
P
A
K
US
B
ASS
Y
AL
IR
I
/
O
ASS
Y
A
B