Pdp Audio Amplifier Panel (C) - Philips 50PF7320/10 Service Manual

Circuit Diagrams and PWB Layouts
PDP Audio Amplifier Panel
0001 A15 2705 B10 2717 A8 2729 H10 2745 B7 2758 G5
1735 C12 2706 A3 2718 B5 2731 C9 2746 C7 2759 G11
1736 A13 2707 C5 2719 A4 2732 C10 2747 C2 2760 G6
1738 G13 2708 F9 2720 B5 2733 G9 2748 C2 2761 G1
1M02 A13 2709 A6 2721 B6 2736 D10 2749 C3 2762 G2
1M06 A14 2710 A7 2722 B4 2737 D10 2750 G9 2763 H5
1M52 E14 2711 A2 2723 B8 2739 D6 2751 F4 2764 E8
2700 A3 2712 A10 2724 H10 2740 F11 2752 G5 2766 H11
2701 B10 2713 A4 2725 H10 2741 E6 2754 D15 2767 H11
2702 H11 2714 G14 2726 B4 2742 G11 2755 G2 2768 H5
2703 A7 2715 A10 2727 C9 2743 E5 2756 G7 2770 A15
2704 A7 2716 A10 2728 H10 2744 E3 2757 G7 2771 H6
1 2 3
PDP AUDIO AMPLIFIER
C
3709
AUDIO-L
4K7
A
I705
2711 I704 3723
I703
470R
1u0
B
3712
AUDIO-R
4K7
I707
2747
I714 3721
I713
1u0 470R
C
+19-16VS1
3724 I730
1K0
D I734
3
I717
3729
1
7706
I736
3 BC847BW
47K
2
I737
3730 3731
1
SOUND-ENABLE 7707 I738
BC847BW
22K 1K0
2
E POR
I742
F
3736
DC-PROT
C (4x) 47K
DC
VDDOPAMP
2755
I749 100n
3750
I750
330R
I766 I755
2761 2762
AUDIO-C 3 7718-1
G
F748 2773 2774
1
1u0 1u0
2
LM833D 1u0 1u0
2772
-19-16VS2
100n
I771 3773
2793 I772 3774
120p 3K3 100K
-19-16VS2
3770
2794
I767 +19-16VS2
10K 1u0
I770
H 2795
220p
2796
470n
I764
3771
3K9
3104 313 6056.4
1 2 3
LC4.9E AA
2772 G2 2790 G15 3703 A2 3715 B8 3727 D6 3739 F9
2773 G3 2791 D14 3704 A10 3716 C10 3728 D4 3740 F15
2774 G3 2793 H1 3705 A5 3717 C5 3729 D2 3741 G10
2775 H5 2794 H3 3706 A4 3718 C2 3730 D1 3742 G14
2776 A6 2795 H3 3707 A8 3719 C2 3731 D3 3743 G5
2778 E9 2796 H3 3708 A10 3720 D10 3732 E4 3744 G5
2779 E8 2797 H4 3709 A3 3721 C3 3733 E6 3745 G11
2780 A10 2798 H4 3710 B8 3722 A3 3734 E4 3746 G13
2782 F8 2799 H9 3711 B9 3723 A3 3735 F5 3747 G5
2783 G8 3700 A2 3712 B3 3724 C2 3736 F3 3748 G15
2788 H8 3701 A10 3713 C13 3725 D2 3737 F3 3749 G5
2789 D10 3702 C2 3714 B4 3726 D4 3738 F5 3750 G2
4 5 6
2719 +19-16VS1
470n
I710
2713
I706
4n7
2709
3706
5
-19-16VS1
F727
7
3K9
220n
6
7700-2 7701
LM393PT TDA8925ST
1
SW1
2
REL1
4
EN1
F728 9
STAB
15
POWERUP
I721
2722
17
SW2
16
470n REL2
14
2726 EN2
-6V7
I723
4n7
3714
3K9
3
1
-19-16V
2
F729
7700-1
LM393PT
3726 F730
3
15K
+19-16VS1
3728 I708 6702 I709
1 7705
BC847BW
15K
BZX384-C39
2
I739 -19-16VS1
7708
BC857BW
3
I740
3732
1
7709
3 BC847BW
22K
2
1
7710
BC847BW
2
-19-16VS1
+19-16VS1
2
I745
3738
BC857BW
7711 1
I744
100K
I743
3
3 3
1 7712 7713
BC847BW BC847BW
2 2
3754
2752 I752 3743 I753
3744
470R
I756 100K -19-16VS2
120p 3K3
7718-2
5
7
6
LM833D
3749 2758
I757
2760
10K 1u0
I754
100n
2763
F733
I761 F724
1
2
2798
220p
LM393PT
3 7719-1
560p 2797
2768
2771
560p
470n
100n
3755
VDDOPAMP
3K9
I763
2775 I759 I735
3756 7
6
LM393PT
39n 8K2
5 7719-2
4 5 6
7. 62
3751 H13 3763 H7 3775 H9 5709 E9 7706 D3 7718-1 G2
3752 H14 3764 A10 3776 H9 5714 H8 7707 D2 7718-2 G4
3753 H11 3765 D10 3777 D3 6700 D13 7708 E6 7719-1 H6
3754 G4 3766 H10 3778 D10 6702 D5 7709 E5 7719-2 H6
3755 H5 3767 H9 3999 A15 6703 E3 7710 E4 7720 H15
3756 H5 3768 G10 5700 A10 6704 G13 7711 F5 9700 E12
3757 G3 3769 H8 5701 D14 6705 H13 7712 G6 9701 E12
3758 G2 3770 H2 5702 C10 7700-1 C4 7713 G6 9702 E12
3759 G7 3771 H3 5704 G9 7700-2 A4 7714 F8 9703 E13
3760 E2 3772 H2 5705 A7 7701 A7 7715 G15 9704 G12
3761 H11 3773 H2 5706 G10 7702 C14 7716 G14 9705 H12
3762 H9 3774 H2 5708 C7 7705 D5 7717 H14 9706 G7
7 8 9
F726 5705
+19-16V
5700
I712
33u
3764
2710 I716
100K
-19-16VS1
220n
Φ
VDD1 VDD2 I715
3707
CLASS-D +19-16VS1
AMPLIFIER 39K I719
6
BOOT1
I718
7
OUT1
F731
3
DIAG
I720 I726
3711 2701
3710
+19-16VS1
12
BOOT2 39K 5R6 560p
2705
11
OUT2 I776
560p
VSS1 VSS2
2745 3715 I724
2727
F744
I725 +19-16VS1
220n 5R6 560p
5708 2746
2731
470u 25V I775 -19-16VS1
560p
-19-16VS1
I722 5702
33u
3765
I727
100K
I733
F747 5709
+19-16VS2
+19-16V
2782
-19-16VS2
220n 2708
-19-16VS2
220n
7714
TDA8925ST
Φ
VDD1 VDD2
CLASS-D
AMPLIFIER
I746
3739
1 6
+19-16VS2
SW1 BOOT1
2
39K
REL1
1 4
EN1
7
OUT1
I747
F725
9
STAB
3
DIAG
15
POWERUP
3759
12
5706
BOOT2
17
2K2
SW2
16
REL2 33u
14 11
EN2 OUT2 I728 3768
I731
VSS1 VSS2
39K
F750 5704 I711
2783
33u
220n
-19-16VS2 F723
2788
-19-16VS2
3767
I768
25V 470u
100K
-19-16VS2
-19-16V
3775
120K 2799
3762
9708
I773
F722 470p 22R
3769
I762
5R6
7 8 9
9707 H7 F709 C11 F721 G12 F734 A15 I700 G13 I712 A9 I724 B9
9708 H7 F710 E13 F722 H8 F735 A14 I701 H13 I713 C2 I725 C8
9709 G14 F711 E14 F723 H8 F740 A12 I702 G11 I714 C2 I726 B10
F700 A12 F712 E13 F724 H6 F741 A12 I703 A2 I715 A8 I727 D10
F701 A12 F713 D15 F725 G7 F742 A13 I704 A3 I716 A10 I728 G9
F702 A11 F714 F13 F726 A7 F743 B13 I705 A3 I717 D2 I729 D13
F703 B13 F715 F13 F727 A5 F744 C7 I706 A4 I718 A8 I730 D3
F704 A13 F716 F13 F728 B6 F745 C12 I707 C3 I719 A10 I731 G7
F705 B13 F717 F13 F729 C5 F747 E8 I708 D4 I720 B8 I732 D14
F706 B12 F718 F13 F730 D6 F748 G3 I709 D5 I721 B4 I733 D10
F707 C12 F719 G12 F731 B8 F749 G12 I710 A4 I722 C9 I734 D3
F708 C12 F720 G12 F733 H4 F750 G7 I711 G10 I723 B4 I735 H7
10 11 12 13
1736
F700 F740 TO
3704 I777 C (4x)
DC
3
100K F702 F701 F741 2 LEFT
1
SPEAKER
B3B-PH-K
F704 F742
-19-16V
F703
F743
F705
+19-16V
F706 1V2
+19-16VS1 DC-PROT
-19-16VS1
1735
F707 F745 TO
3
2 RIGHT
1
SPEAKER
B3B-PH-K
3716 C (4x)
DC
+19-16V
100K
F709
F708
9700 9703
AUDIO-C
9701
9702
F710
AUDIO-L
AUDIO-R F712
F715
PROT-AUDIOSUPLLY F716
F718
SOUND-ENABLE
F717
POR
PROT-AUDIOSUPLLY
2740
+19-16VS2
+19-16V
560p
3741 2742
I702
-19-16VS2
I774 I741
5R6 560p
I700
1738
3745 C (4x) F719 F749
DC
3
100K F721 F720
2
1
+19-16VS2
B3B-PH-K
TO
3766
CENTER
I758
100K
SPEAKER
3753
I769
22R
-19-16V
3761
C (4x)
DC
100K
10 11 12 13
I736 D2 I748 G15 I760 H14 I772 H2
I737 D2 I749 G1 I761 H4 I773 H10
I738 D3 I750 G3 I762 H9 I774 G10
I739 D4 I751 G14 I763 H5 I775 C9
I740 E4 I752 G5 I764 H3 I776 B10
I741 G11 I753 G5 I765 H15 I777 A11
I742 E3 I754 G5 I766 G1
I743 F3 I755 G2 I767 H3
I744 F5 I756 G4 I768 H10
I745 F6 I757 G5 I769 H11
I746 F9 I758 H11 I770 H3
I747 G10 I759 H5 I771 H1
14 15
C
F735 F734
3999
1K0
A
0001
2770
1
10n GND screw
1M02 1M06
1 1
TO 1M02 TO
2 2
3 3
4 4 OR SDI
5 5
6 6
SUPPLY
7 7
PDP
B
B7B-PH-K B7B-EH-A
SUPPLY
C
7702
3
BC847BW
1
I729
I732
5701 F713
2
VDDOPAMP
D
E
1M52
TO 1M52 TO 1J04
1
F711
2
3
4
OR
F714
5
6
4V7
7
SSB SSB
0V3
8
0V
9
BP2.x / FTP2.x LC4.x
B9B-PH-K
F
3740
100K
3
I748
3 1
7715
BC847BW
I751
3742
1 7716 2
BC847BW
100K
2
G
3748
100K
1
3
2
3
I760
3752
7717
I701
BC847BW 1 7720
10K
BC847BW
I765
2
H
F_15430_055.eps
140605
14 15