VSX-LX50
124
1
2
3
4
1
2
3
4
C
D
F
A
B
E
10.12 COMPONENT ASSY
VMUTE
S53ABC
CDT2
NECK6
NECK8
SBMUTE
MEXCLK
AMUTE
YIN
CRIN
CBIN
MEXDT
MEXST
C52A
C52B
CR3
S53ABC
VMUTE
MEXDT
MEXCLK
MEXST
CB3
CY3
CDT2
D53INH
D53
D53DC
MEXOE
C53ABC
CR2
CR2
DR
CR3
R1
CB2
CY2
CBOUT
YOUT
CRO
CR1
CR1
CB1
CB2
CB1
B1
CY1
DB
CB3
C52B
C52A
CY1
CY2
CY3
DY
C52A
C52B
Y1
C53ABC
5
7
13
11
12
6
9
10
8
6
3
2
1
4
5
3
2
1
4
7
8
11
12
9
10
13
1
2
3
4
7
8
5
6
9
11
10
11
6
1
2
3
4
2
3
7
5
6
8
14
13
12
15
9
11
10
4
5
6
8
7
1
2
4
3
6
5
7
8
1
2
4
3
5
6
7
8
14
16
15
13
12
11
9
10
16
14
13
15
12
11
10
16
9
14
15
13
11
12
10
9
C1498
C1497
CN1401
C1496
C1495
R1424
L
1401
C1445
R1425
C1455
C1446
C1447
R1426
L1403
C1456
C1454
C1471
C1448
R1461
CN1403
Q1415
CN1402
R1436
C1492
C1409
R1409
C1470
R1441
JA1402
(1/2)
C1408
R1408
C1407
R1407
IC1405
R1430
R1432
R1431
C1491
R1406
C1406
R1433
JA1401
(2/2)
R1405
C1405
C
1404
R1404
IC1401
L1402
C1449
C1472
C1450
R1462
R1463
C1473
R1464
R1465
Q1416
R1466
C1444
Q1417
C1443
R1440
R1437
R1438
R1439
C1434
C1436
R1442
R1444
R
1443
Q1403
R1447
R
1446
C1469
C1433
C1435
R1421
C1438
Q1405
R1450
Q1407
R1449
C1437
R1422
R1581
R1423
R1434
R1435
C1439
C1440
C1414
IC1402
C1416
IC1403
C1441
C1418
C1490
R1403
C1403
JA1401
(1/2)
C1402
R1402
C1401
R1401
C1413
C1415
C1417
(CHASSIS)
Y IN
CrIN
Y OUT
CbIN
GNDVC
GNDVC
GNDVC
GNDVC
GNDVC
/EXPCK
EXPDT1
EXPST
S53ABC
EXPOE
VMUTE
CrOUT
CbOUT
GNDVC
GNDU
OSDCS
OSDRT
OSDDT
OSDCK
GAV
V+5.6V
GAV
NECK8
NECK6
V-5.6V
AMUTE
OSDRT
SBMUTE
OSDCK/EXPCK
OSDDT
OSDCS
EXPDT
EXPST
EXPOE
(CHASSIS)
MEXOE
Cr
STROBE
Cb
VDD
(CHASSIS)
Y
Cr
Cb
Y
0
2
3
Q1
SERIAL IN
CLK
Q2
Q4
Q3
VSS
OE
Q5
Q6
QS
Q7
Q8
Q
'
S
EXPANDER
INH
VEE
VSS
1
Cr
Cb
INH
VEE
0
3
2
1
Y
VSS
1
VEE
INH
VSS
Cb
0
1
Cr
0
(CHASSIS)
Cr
2
1
Cb
No marked Diodes are 1SS355.
* Parts or parts block marked by "STBY" are standby.
Y
1.RESISTORS
Tolerance:
±
5
%
(J) unless otherwise noted.
Rated power: 1/16W unless otherwise noted.
Unit: k-k
Ω
, M-M
Ω
or
Ω
unless otherwise noted.
2.DIODES
3
0
A
B
VDD
1
2
0
3
A
VDD
B
INPUT/VC
H
L
SELECT
3.CAPACITORS
No marked Capacitors are CEAT or CKSRYB
Unit: p-pF or
μ
F unless otherwise noted.
Rated Voltage: shown as "Capacity(
μ
F)/Voltage(V)",
or 50V unless otherwise noted.
IC2401 & IC2402
H
L
CSW1CSW1
1
Y
0
A
B
C
Comp In 3
H
Comp In 2
H
C53B
IC2404
L
H
L
D
L
Selector
Comp In 1
Selector
THRU
DVC
GNDU
GAV
STBY
STBY
GCC
XKP3077
GAV
STBY
STBY
560
12p
12u
3p
GNDVC
GNDU
GNDVC
12p
CH
CH
560
12p
CH
3p
560
3p
V-5
_
6V
GAV
33p
CJ
10/50
100k
XKP3077
V+5
_
6V
(RS)
2SC4081
GCC
XKP3076
GNDU
*
0.01
*
75
STBY
560p
47k
*
75
STBY
STBY
GNDU
47k
47k
47k
*
GCC
0.01
*
75
75
STBY
47k
*
*
STBY
75
*
75
STBY
TC74LVX4052FT
33p
CH
CH
12u
CJ
33p
CH
10/50
100k
100k
12u
CJ
10/50
V-3C
1k
1k
(RS)
2SC4081
1k
0.1/16
(RS)
2SC4081
0.1/16
V+3C
GNDU
STBY
STBY
560
V-5C
0.01
V-5C
0.01
47k
47k
47k
BU4094BCFV
120k
150k
2SA1576A
120k
150k
0.1/16
0.01
0.01
1k
V-5C
GAV
0.01
2SA1576A
120k
2SA1576A
150k
1k
0
0.01
1k
0
STBY
V+5C
V+5C
10/50
10/50
V+5C
V-3C
V-3C
0.01
TC74LVX4052FT
0.01
10/50
V+5C
V-3C
TC74LVX4053FT
0.01
GCC
*
0.01
*
75
STBY
V+3C
*
75
STBY
75
STBY
*
0.01
V+3C
V+3C
0.01
0.01
NOTES
K
IN
1
IN
2
IN
3
COMPONENT VIDEO
CN3804
AC
CN107
C
3
/
3
CN104
C
1
/
3
(Y)
: Video Signal Route (Component Y ch)
(Cb)
: Video Signal Route (Component Cb ch)
(Cr)
: Video Signal Route (Component Cr ch)
(Y)
(Y)
(Y)
(Y)
(Cb)
(Cb)
(Cb)
(Cb)
(Cr)
(Cr)
(Cr)
(Y)
(Y)
(Cb)
(Cb)
(Cr)
(Cr)
(Cr)
(FL)
: Audio Signal Route (Front L ch)
(SL)
: Audio Signal Route (Surround L ch)
(C)
: Audio Signal Route (Center ch)
(SBL)
: Audio Signal Route (Surround Back L ch)
(SW)
: Audio Signal Route (SubWoofer ch)
VC(Y)
VC(Cb)
VC(Cr)
C(Cr)
C(Cb)
C(Y)
C(Y)
C(Cb)
C(Cr)
VC(Y)
VC(Cb)
VC(Cr)