Ssm: Audio Amplifier (C7) - Philips Colour Television Service Manual

Circuit Diagrams and PWB Layouts
SSM: Audio Amplifier
1 2
AUDIO AMPLIFIER (SSM)
C7
A
C6
B
5V
3701
SOUND_ENABLE 7701
C6
0V
BC847B
10K
0V
C
2702
1n0
3790
4K7
2782
3n3
D
2701
3793
AUDIO-R
C6
1u0
50V 10K
2783
3n3
2703
3792
AUDIO-L
C6
50V 1u0 10K
3791
4K7
E
2704
1n0
F
G
Item 51" 60"
2730 2200 uF 16V 2200 uF 25V
2731 2200 uF 16V 2200 uF 25V
7700 TDA7490L TDA7490
Ref Des 3135_037_11211_01 3135_037_11241_01 3135_037_12281_01
basic core 999
4019 NOT USED NOT USED 319802190020
H
3139 123 6060.1
1 2
DPTV585 AA 7.
3 4 5
3798
47K
3702 3708
6K8 56K 3706
5K6
2709 3707
68K
470p
3711
220n
120K
2712
3712
10K
7700
TDA7490
12V6
14
2718 CURREF CURREF
2V4
8
OSC OSC
22p
0V 7
FEED1 FEED1
0V 9 11
FEED2 FEED2 T1 T1
5
BOOT1 BOOT1
0V
10 3
IN1 IN1 OUT1 OUT1
0V 23
18
IN2 IN2 OUT2 OUT2
21
BOOT2 BOOT2
0V
17 15
FEED3 FEED3 T2 T2
0V 19
FEED4 FEED4
5V 6
20
STBY-MUTE STBY-MUTE NC1
13
GND GND
3V2 1
25 13V7
VREG VREG -VCCSIGNSUB
5V1
12 16
+5V +5V -5V -5V
13V5 4 2
+VCCPOW1 -VCCPOW1
13V6 22 24
+VCCPOW2 -VCCPOW2
3723
56K
0110
HEATSINK
RESERVED
not used
NOT USED
3 4 5
36
6 7 8
PWR_FAIL
0V
3716
47K
BC857B
0V
7706
5V
5V
3714
0V
47K
0V
7711
7710
0V
BC847B BC847B
3794
7707
0V
BC847B 100K
5701
68u
33n
2715 2719 3709
2714 100R
1n0 1n0
2716
0V
9V
330p
0V
3725
3710
0V
22K
9V
2728 22K
0V
330p
0V
5702
5V5
68u
13V8
2727 2711 5711 5713
3724
10u
100R
1n0 1n0
5714
10u
5712
6 7 8
9 10 11
3715
47K
7705
BC847B
3730
100R
5V 7704
BC847B
3719
BC857B
5V
7708
1K0
0V
STANDBY
5716
2737
1349
10n
26-62-6051
1 RIGHT
2 GND
3 GND
5 LEFT
2736
10n
2763
680n
1701
MRT
-V_AUDIO
2000mA T
MRT
1700
+V_AUDIO
2000mA T
F_15120_011.eps
9 10 11
0110 F5 5710 E8
1349 D11 5711 F7
1700 F9 5712 G7
1701 F9 5713 F8
1702 C9 5714 F8
2701 D2 5715 E10
2702 C2 5716 C9
A
2703 D2 6702 A8
2704 E2 7700 D5
2705 C3 7701 B3
2706 F3 7704 B11
2707 F3 7705 B10
2708 F3 7706 B7
2709 C4 7707 B6
2710 C4 7708 B9
2711 F6 7710 B6
2712 C5 7711 B8
2713 C8
2714 D6
B
2715 D6
2716 D8
2718 D3
2719 D7
2720 F3
2721 F4
2722 E4
2723 C6
2724 G7
2725 C6
2726 E6
C 2727 F6
2728 E7
2730 G8
2731 G7
2732 G7
2733 G7
2735 B5
2736 D9
2737 D9
2763 E9
2773 B10
2774 B11
D
2775 B10
2776 B10
2777 D9
2778 B10
2780 G8
2781 G9
2782 D2
2783 D2
3701 B2
3702 B3
3703 C3
3704 C3
E
3705 E3
3706 B4
3707 C4
3708 B4
3709 D7
3710 D8
3711 C4
3712 D3
3713 B8
3714 B7
3715 A9
F
3716 A7
3717 C9
3718 C10
3719 B9
3720 B9
3721 F4
3722 F4
3723 F5
3724 F7
3725 D7
3726 B9
3727 C2
G
3730 B10
3731 B11
3732 C10
3733 D10
3789 C8
3790 D2
3791 E2
3792 D2
3793 D2
3794 B7
3795 B8
3796 C9
H
3797 B6
3798 B5
3799 A7
4019 B7
5701 C7
020805
5702 E7
5709 E8