Philips 21PT9457 - Mono Carrier: Audio Amplifier (A6)

Circuit Diagrams and PWB Layouts
EN 19SK4.0L CA 7.
Mono Carrier: Audio Amplifier
1 2 34
A
B
C
D
4
321
D
C
B
A
C426
106E
SPL
4
10W
SPR
4
10W
CN760
SW2
SW2
L OUT
Q401
C1815
D401 IN4148
R411
47K
R409
3K3
MU T E
+8V_VCC
1
2
3
4
5
6
7
8
9
1
2
1
2
IC402
TFA9842AJ
C424
222D
R OUT
R770 1K
R769 1K
VOL
L out
+22V_VCC
RI
RO
Rout
Lout
L in
R410
75K
50V
R408
3K3
R253
15K
C431
10uF/ 16V
D76 1
1N4148
C432
100uF
R407
10K
C430
1uF
Q40 2
A10 15
C750
1uF
C749
1uF
C428
47uF/ 50V
C429
220uF/25V
C433
1000uF/25V
C434
1000UF/25V
4052 13
4050 3
+8V_VCC
MUTE
VOL
+22V_VCC
H_17210_007.eps
110607
AUDIO AMPLIFIER
A7
A7
5800 A3P610-00