Philips SL7, Service Manual

Page: 37 / 54

Circuit Diagrams and PWB Layouts EN 37 SK4.1L CA 10.
2009-Jul-24
SL7 Mono Carrier: AV Switch
1 2 3 4
A
B
C
D
4 3 2 1
D
C
B
A
0Y
1
2Y
2
Y-COM
3
3Y
4
1Y
5
INH
6
VEE
7
VSS
8
CTL-B
9
CTL-A
10
3X
11
0X
12
X-COM
13
1X
14
2X
15
VCC
16
IC451
H4052
P452
YU
V
Y U V
P453
Re
a
r A
V
1
V L R
P454
Re
a
r A
V
2
V
L R
P455
YC
P451
AV
OU
T
V L R
R469
68
C4
5
1
10
u
F 50
V
C4
5
3
10
0p
F
5
0
V
C4
5
2
10
u
F 50
V
C4
5
4
1
00
pF 5
0
V
R451
100 R452
100
R470
750 R471
750
Q451
C1815
Q452
C1815
R472
100K
R473
100K
R461
75 R482
75 R483
75
ZD451
8V2
ZD452
8V2
ZD453
8V2
R453
100
ZD454
8V2
Q453
C1815
C4
6
1
10
u
F 16
V
R4
6
5
4
.7
K
R454
100
L451
560 L452
560
C464
10uF 16V
C4
5
5
10
0
pF
5
0
V
C4
5
6
10
0
pF
5
0
V
R464
4.7K
C465 10uF 16V
ZD455
8V2
C4
6
2
10
uF
16
V
Q454
C1815
R463
4.7K R459
10K R460
10K
R4
6
6
4
.7
K
R457
1K
R458
1K
L453
560 L454
560
C466 10uF 16V
C463 10uF 16V
C4
5
7
10
0p
F
5
0
V
R467
4.7K
R468
4.7K
C4
5
8
10
0
pF
5
0
V
J452
For mono
R486
2.7K R455
100
C459
10uF 16V C460
10uF 16V
R474
100K
R476
100K
R477
100K
R475
100K
R478
100K
R480
100K
R479
100K
R481
100K
C46747uF 16V
R462
75
Y C
Y-
Y
U
V
U-
Y
U
V
V-
Y
U
V
C-
Y
C
+8
V
V-
O
U
T
A-
L
-OU
T
A-
R
-OU
T
AV
-S
EL
1
AV
-S
EL
2
A
V
-IN
A-R
A-L
TV-AUDIO
A1
-L
-I
N
A1
-R
-I
N
A2
-R
-I
N
A2
-L
-I
N
+8
V
R4
8
4
1
.5
K
R485
1.5K
J451
For mono
Te
stT412
TestT414
Te
st
T415
Te
st
T411
Te
st
T416
Te
stT418
Te
stT419
Te
st
T420
Te
st
T421
Te
st
T423
Te
stT425 Te
st
T426
Te
st
T429
Test
T430
Te
st
T431
Te
st
T413
Te
st
T417
Te
st
T422
Te
st
T424
Te
st
T427
Te
st
T428 J?
JUMP J?
JUMP
A-
L
A-
R
ZD456
8V2
ZD457
8V2
C468
N.C
I_17 8 90_015.ep s
10040 8
A5 A5
AV S WITCH