21Sl9 Mono Carrier: Av Switch (A5) - Philips SL7 Service Manual

Circuit Diagrams and PWB Layouts
21SL9 Mono Carrier: AV Switch
1
AV SWITCH
A5
D
T411
P451 #
V L R
T414 T415 T416
T412 R461
75
C
ZD451
R451 R452
100 100
ZD456 R469 R470 R471
8V2 68 750 750
J451
For mono
Q452
Q451
C1815
C1815
R472 R473
100K 100K
C459 C460
10uF 16V 10uF 16V
B
J? J?
JUMP T413 JUMP T417
A
1
SK4.1L CA 10.
2
Y U V V L R
T418 T419 T420 T421 T423
L451 L452
R482 R483 R453
560 560
75 75 100
ZD452 ZD453
ZD454 R464
8V2 8V2 8V2 8V2 #
Q453
C1815 J452
For mono
R459 R463
10K 4.7K
T422 T424
2
EN 46
3
T431
P452
V
YC
Y C
T425 T426 T429
ZD457
8V2(N.C)
L453 L454
R462
560(N.C) 560(N.C)
75(N.C)
T430
C463
10uF 16V(N.C)
C464
10uF 16V(N.C)
R485
1.5K
R460
Q454
10K
C1815
T427 T428
A-R
A-L
TV-AUDIO
3
2009-Jul-24
C467 47uF 16V(N.C)
R478 100K(N.C)
C465
C466
R476 R479
100K(N.C) 100K(N.C)
R477
IC451
H4052(N.C)
100K(N.C)
16
VCC 0Y
15
2X 2Y
14
1X Y-COM
13
X-COM 3Y
12
0X 1Y
11
3X INH
10
CTL-A VEE
R457 1K(N.C)
9
CTL-B VSS
R458 1K(N.C)
C468
N.C
4
A5
D
10uF 16V(N.C)
10uF 16V(N.C) C
R481
100K(N.C)
1
2
3
4
5
6
7
8
B
A
4
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