Mono Carrier: Audio Amplifier - Philips 29PT5458/01 Service Manual

Circuit Diagrams and PWB Layouts

Mono Carrier: Audio Amplifier

1 2
AUDIO AMPLIFIER
A
MAIN_OUTL
A4
B
MAIN_OUTR
A4
C
VOL_MUTE
A4
TO 1683 OF
POWER_DOWN
1282
D
Stdby_Con
3998
E
10K
MUTING
A5
3139 123 5676.1
1 2
L04E AA 7.
3 4
2985
RES
F950 I953 2989
3985
1K0
220n
2991
RES
I954
2992
F951 3991
1K0
220n
3994
Vaudio+1
68K 7992
BC847B
I958
0V7
7993
BC847B
I959
6990
BAS316
7994
BC847B
3 4
34
5 6
7990
+16V 7
TDA2616Q
I951
OUT1 4
INV1-
1
MUTE
2
+16V
V|GND
3
I952
9 INV2-
OUT2
6
INV12
8
I955
5
-16V
7991
16V
BC847B
I951
50mV / div AC
2ms / div
5 6
7 8 9
Vaudio+1
AmpOutL
1280 1281
I956 3989
F952
2994
5 5
4 4
10R
22n
3 3
F955
2 2
1 1
F953
Audio_Gnd
AmpOutR
Audio_Gnd
I957 3993
2995
10R
22n
-Vaudio
Audio_Gnd
I952 F952 F955
50mV / div AC 500mV / div AC 500mV / div AC
2ms / div 2ms / div 2ms / div
7 8 9
1280 B9
1281 B9
1282 D2
2911 D3
2912 D3
2913 D3
2914 D3
2915 D3
2916 C5
2985 A4
A
2986 A7
2987 A6
2988 C6
2989 B4
2990 B5
2991 B4
2992 B4
2993 C5
2994 B7
2995 C7
2996 B8
8 ohm / 15W
B 2997 C8
3985 B4
3988 B4
3989 B8
8 ohm / 15W
3991 B4
3992 C4
3993 C8
3994 C4
3995 C5
3996 C5
3997 D4
3998 E2
C
3999 D4
6990 D2
7990 A6
7991 C5
7992 C4
7993 D4
7994 E2
F950 B3
F951 B3
F952 B9
F953 B9
F955 B9
D
I951 B5
I952 B5
I953 B4
I954 B4
I955 C5
I956 B8
I957 C8
I958 C3
I959 D3
E
E_14480_122.eps
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