Philips SL7, Service Manual

Page: 46 / 54

EN 46 SK4.1L CA 10. Circuit Diagrams and PWB Layouts
2009-Jul-24
21SL9 Mono Carrier: AV Switch
1 2 3 4
A
B
C
D
4 3 2 1
D
C
B
A
1 8 690_500_090722.ep s
090722
A5 A5
AV S WITCH
0Y
1
2Y
2
Y-COM
3
3 Y
4
1Y
5
INH
6
VEE
7
V SS
8
CTL-B
9
CTL-A
10
3 X
11
0X
12
X-COM
1 3
1X
14
2X
15
VCC
16
IC451
H4052(N.C)
YUV
Y U V
Re
a
r AV1
V L R
Re
a
r AV2
V
L R
P452
YC
P451 #
AV OUT
V L R
R469
6
8
C4
5
1
10
u
F 5
0
V
C4
5
3
100pF
50V
C4
5
2
10
u
F 5
0
V
C
4
54
100pF
50V
R451
100 R452
100
R470
750 R471
750
Q451
C1
8 15
Q452
C1
8 15
R472
100K
R47 3
100K
R461
75 R4 8 2
75
R4 83
75
ZD451
8 V2
ZD452
8 V2
ZD45 3
8 V2
R45 3
100
ZD454
8 V2
Q45 3
C1 8 15
C4
6
1
10
u
F 1
6
V
R4
6
5
#
R4
5
4
100(N
.C
)
L451
560 L452
560
C464
10
u F 16V(N.C)
C4
5
5
100pF
50V
C4
5
6
100pF
50V
R464
#
C465 10 u F 16V(N.C)
ZD4
5
5
8
V2
(N
.C
)
C
4
62
10
u
F 1
6
V(
N.
C
)
Q454
C1
8 15
R46 3
4.7K
R459
10K R460
10K
R
4
66
4.
7K
R457
1K(N.C)
R45 8
1K(N.C)
L45 3
560(N.C)
L454
560(N.C)
C466 10 u F 16V(N.C)
C46 3
10 u F 16V(N.C)
C4
5
7
100pF
50V
(N
.C
)
R4
6
7
4.
7K
(N
.C
)
R4
6
8
4.
7K
(N
.C
)
C4
5
8
1
0
0
p
F 5
0
V(
N.
C
)
J452
For mono
R4
8
6
2.
7K
(N
.C
)
R4
5
5
100(N
.C
)
C459
10
u F 16V
C460
10
u F 16V
R4
7
4
100K
(N
.C
)
R476
100K(N.C)
R477
100K(N.C)
R4
7
5
100K
(N
.C
)
R47 8
100K(N.C)
R4
8
0
100K
(N
.C
)
R479
100K(N.C)
R4 8 1
100K(N.C)
C467 47 u F 16V(N.C)
R462
75(N.C)
Y C
Y-
YUV
U-
YUV
V-
YUV
C-
Y
C
+
8
V
V-
OUT
A-
L-
OUT
A-
R
-OUT
AV-
S
EL1
AV-
S
EL2
AV-
IN
A-R
A-L
TV-AUDIO
A1
-L
-I
N
A
1
-R
-IN
A
2
-R
-IN
A2
-L
-I
N
+
8
V
R4
8
41
.5
K
R4 8 5
1.5K
J451
For mono
T412
T414 T415
T411
T416 T41 8 T419 T420 T421 T42 3 T425 T426 T429
T4 3 0
T4 3 1
T41 3 T417 T422 T424 T427 T42 8
J?
JUMP J?
JUMP
A-
L
A-
R
ZD456
8 V2
ZD457
8 V2(N.C)
C46 8
N.C