Philips MMX450/37 Service Manual page 40

VOLUME CONTROL PART FR965 - FR975 - MFX450 - Part B
17
3673
Left
2k2
3891
IN LR
Part B
+4,8V +4,8V
+5mute +5mute
+5mute
2567
3696
4µ 7
3697
MUTE
mute lr
mute lr
–13,5V
IN LR
3892
Right
3674
2k2
Center
+4,8V +4,8V
+5mute +5mute +5mute
2568
3699
µ
4 7
From
Volume
3700
Control
MUTE
mute
PART A
c s sub
mute
c s sub
–13,5V
Subwoofer
Surround Left
3895
IN S
Only in FR975
Only in FR965 /MFX450
$ Only in FR965/17
.....V - Voltage measured during normal operation
- Source position : Tuner FM
- No special features ON
.....V Stand by
Surround Right
VOLUME CONTROL PART FR965 FR975 MFX450
3104 217 06420/06430/06490/07040 part B
17
10-7
18 19 20 21 22
7651
HEADPHONE AMPLIFIER
BC817-40
3629
HP
+12
10E
+12V
2614 HP HP
2615
3603
100µ 22n
3601 2617 2619
IN LR
5
8 3611
HP HP
100E
100p
3609 2607
10µ 2937 7
6641 120E
220p
$ 6 3622 47µ
1N4148
7621
7601b
120E
BAS216
BC817-40
NJM4556AM
3605 6601
+4,8V 3607
HP
1N4148
33k
2603
3689
2605
22µ
3938
HP
47p
7657
MUTE
BC857B 3608
HP
33k
2604 3939
2606
µ
3695 22
6602
HP
47p
1N4148
3606
7601a
–12 3623
7622
2 NJM4556AM
120E
BC817-40
3690
3610 2608
2610 1
120E
6642 220p
µ
3 47
1N4148 3627
3602 2618 4 3612
–12
100E 10E
–13,5V
µ
10
IN LR HP
2611
2616
3604
µ
100 22n
HP HP HP
7652
BC817-40
S2 S S
7653
3893
2531 2860 2926
BC817-40
3857
220n 47µ 100n
IN C
+12
270E
+12V
3
8
3856
6643 IN C
3560
2612
2851 1 Center pre-out
1N4148 1k
22p
+4,8V
10µ
2
7660a 7661
3618
NJM4560M BC817-40
56k
3691
3853
6647
S
10k 3851
$ S
1N4148
3k3 3859
2853
7658 BAS216
2855 10k
µ
BC857B
22
S
3889
S2
100p
3698
27k 3852
S2 $
22k
3860 3890
2854
2856 10k
–12
µ BAS216
22 S
$
1N4148
S
100p
S
6648
3854
7660b
7662
3692 6 NJM4560M 3619
BC817-40
2613 3563
2852 7
1k
6644 22p Subwoofer pre-out
µ
5 10
1N4148 3855
4
–12
270E
–13,5V
S2
2532 2858 2857
3858
µ
7654 220n 47 100n
BC817-40
S2 S S
Surround Left
7655
BC817-40 1801
1
DVD IN
IN S
2
6645
3809
1N4148 3
2818
1802b 22n
3693
1
VCR IN
2
3694
3811
5
2821
6646
$
1N4148
1803b 22n
BAS216
1
IN S
TV IN
2
IN S
7656
3814
BC817-40
5 2822
3896
Surround Right
22n
18 19 20 21 22
23 24 25 26
Left
+9V Voltage Regulator
7644
3561
BC337-40
+12 +9
4E7
1515a 1601 +12V +9,4V
3562
1 1
HP L
2540
3 3
47µ
HP Gnd
2539
6650
µ
2 2
100 BZX79/
HP R
C10
S S S
To 1437 To 1439
Front Part Front Part
HP
6649
+5D +5mute V
+5V +4,8V
1N4003GP
2563
D
2200µ
D A
2620
100p
HP
VIDEO SELECTOR PART a
1526 1552 1554
3821
4 4 1
+12
100E
+12V
3 3 2
Right
V
3
Center
V sda
3820
4
100E
V scl
5
P gnd
To 1960 SVHS
Video Selector
SUBWOOFER PART
2 2
1 1
S2
P50 PART
1560
6
P P50
5
P gnd
P P gnd
3
V sda
To 1402
Front Part 4
V scl
1
V sig
2837
2
V gnd
100p
2804
V gnd V sig
3819
µ
10
V gnd V gnd
+5V
+5video
7803
STV6401 3 20 19 18
SCL
BUS
DECODER
SDA
2805
4 VI1
BUS BUS
100n
6801
3801
DB1 5
BZX79/
C6V8
2815
6 VI2 DB2
DIGITAL
2801 6802 BUFFERS
100n
DB3
10µ BZX79/
C6V8
2806
8 VI3
SWIT-
O1 2
100n CLAMPS
6803 CHES
3802
BZX79/
V sig
C6V8
2802 6804 2808
12 VI5
µ O2
10 BZX79/
100n
C6V8
2807
10 VI4
100n
6805
3804
BZX79/
O3
C6V8
GND
2803 6806
µ
10 BZX79/
C6V8
VIDEO SELECTOR PART
23 24 25 26
10-7
27 28 29 30
1502
1503
1515a A23
1520
Left
Left out 1521
A
to Left in
1523
1525
Right
Right out
1526
to Right in
1540
Center Center out
1542
To Amplifier
to Center in
1550
1552
Surround Right Surround Right out
1554
to Surround Right in
B
1560
Surround Left
Surround Left out
1563
to Surround Left in
1601
1801
1802a N30
1525
1802b M21
Center pre-out 2 1803a N30
S3
1803b N21
C 2501
2569
Center
1 2502
S2 100p
pre-out
2505
S2
2506
3
S1
2507
2531
S2
4
IN S 2532
2533
4652
D 2534
2535
S2
2536
2537
2538
2539
2540
2563
+8video E 2564
+8,5V
2565
2812
6811 2811 2566
µ
2567
BZX79/ 220 10n
To Video Selector part b
C8V2 2568
2569
2603
+5video
2604
+5V
2605
F
2810
6810 2809
2606
BZX79/ 220µ 10n
2607
C5V1
2608
2610
2611
2612
2613
1550
2614
3834 G
2
2615
100E
2616
Subwoofer
2834
2617
pre-out
100p
3 2618
2619
2620
4832 1
2628
2629
H
2630
2631
1540
2632
3831
2
2633
100E
2634
2635
Cinema
2636
2831
link
1
2637
100p I
P50
2638
2639
3
2641
2642
4
6831 6832
2643
2832 2833
3832
2x 2644
100n 22n
1N4148 2645
P P P P P 2646
J
2647
2648
2649
VIDEO SELECTOR PART b
2650
2651
2652
2655
2656
K
2657
3806
11
2658
1k
2659
3805
9 2660
1k
2661
2662
+8,5V +8,5V +8,5V
2663
+8video +8video +8video
2664
L
2665
2666
3810 3817 3816
7
2667
2668
13
2669
+8,4V
2817 6809 2670
+7,8V
3812 7802
2671
1µ 1N4148
BC557B
2672
2813 3818
+1,2V M
2673
220E
2674
µ
1
7801 +1V
2814
2675
BC847B
2676
3813 47p 3815
1802a 2677
+0,6V
2678
3
16
2679
MON OUT
2680
6807
4
N 2681
BZX79/
2682
C6V8
2683
1803a 2684
3803
2685
15 3
68E
2686
2816
VCR OUT
14
2687
6808
4
2688
22n BZX79/
P GND 2689
C6V8
O
2690
2691
2692
Mdi-LEU0180/0016 2693
LEU0180R/0016
27 28 29 30
M1 2694 O13 3664 J12 6650 B26
K3 2695 A13 3665 F13 6801 L23
2696 E13 3666 J13 6802 L23
G1 2697 F13 3667 K12 6803 M23
C4 2698 J13 3668 O12 6804 N23
F4 2699 K13 3669 K13 6805 N23
C30 2700 O13 3670 O13 6806 O23
E24 2801 L23 3671 A16 6807 N29
H30 2802 N23 3672 E16 6808 O29
K1 2803 O23 3673 A17 6809 M28
G30 2804 J26 3674 E17 6810 F27
E24 6811 E27
2805 L24 3675 B16
E25 2806 M24 6831 J29
3676 C16
H25 2807 N24 3677 F16 6832 J29
K2 2808 N24 3678 J16 7601a D20
A23 2809 F28 3679 F16 7601b B20
K21 2810 F28 3680 J16 7621 B22
2811 E28 3681 G16 7622 D22
2812 E28 3682 H16 7641 A8
2813 M27 3683 K16 7642 F8
2814 M29 3684 O16 7643 L8
M4 2815 L24 3685 K16 7644 A25
N4 2816 O27 3686 O16 7651 A18
N4 2817 M27 3687 L16 7652 E18
L4 2818 L22 3688 M16 7653 F18
K4 2821 N22 3689 C18 7654 J18
F19 2822 O22 3690 D18 7655 K18
J19 2831 I28 3691 G18 7656 O18
A15 2832 J28 3692 I18 7657 C18
E15 2833 J30 3693 M18 7658 G18
F15 2834 G29 3694 M18 7660a G20
J15 2835 K2 3695 C18 7660b I20
K15 2836 L2 3696 C18 7661 G22
O15 2837 J27 3697 C17 7662 I22
B25 2851 G19 3698 H18 7801 M28
B26 2852 I19 3699 G18 7802 M29
C25 2853 G19 3700 H17 7803 K24
E15 2854 H19 3801 L22 9506 O2
J15 2855 H20 3802 M22 9648 H5
O15 2856 H20 3803 N29
C17 2857 J21 3804 N22
G17 2858 J20 3805 K27
C29 2860 F20 3806 K27
B19 2861 F5 3809 L22
C19 2862 C7 3810 L28
C20 2863 E7 3811 N22
C20 2864 G7 3812 M28
B21 2865 I7 3813 N28
D21 2866 M7 3814 O22
D19 2867 N7 3815 N29
E20 2868 A7 3816 L29
G21 2869 D7 3817 L28
I21 2871 A10 3818 M29
A20 2872 E10 3819 J25
A21 2873 E10 3820 F27
E21 2875 K10 3821 E27
A19 2876 O10 3831 H28
D19 2877 A13 3832 J28
A22 2878 E13 3834 G28
D22 2879 E13 3851 G20
N16 2880 J13 3852 H20
N16 2881 K13 3853 G19
C16 2882 O13 3854 I19
H16 2883 B7 3855 I21
N16 2884 D7 3856 F21
B16 2885 G7 3857 F20
G16 2886 H7 3858 J20
L16 2887 L7 3859 G21
D16 2888 M7 3860 H21
D16 2926 F21 3871 A10
I16 2934 O4 3872 E10
I16 2937 B19 3873 A10
A8 3501 M4 3874 E10
C7 3502 M4 3875 F10
B7 3505 K4 3877 F10
D8 3506 L4 3878 J11
B8 3509 N4 3879 K10
D8 3510 O4 3880 O10
F8 3511 M3 3881 K10
H8 3512 M3 3882 O10
G8 3560 G21 3883 A13
H8 3561 A25 3884 E13
G8 3562 B25 3885 E13
I8 3563 I21 3886 J13
L8 3601 A19
3887 K13
M8 3602 D19 3888 O13
L7 3603 A19 3889 H22
N7 3604 E19 3890 H22
A10 3605 B19 3891 A17
E10 3606 D19 3892 E17
F10 3607 B20 3893 F18
I10 3608 C20 3895 K18
K10 3609 B21 3896 O18
O10 3610 D21 3938 C21
A11 3611 A22 3939 C21
E11 3612 D22 3940 D7
F11 3618 G21 3941 B7
I11 3619 I21 3944 H7
K11 3620 A7 3945 F7
O11 3621 C7 3948 M7
A11 3622 B21 3949 K7
E11 3623 D21 3952 K3
F11 3627 D21 3953 L3
I11 3629 A20 3954 N3
K11 3641 B7 3955 O3
O11 3642 D7 4259 D4
A12 3643 B7 4642 C3
E12 3644 E7 4644 D3
F12 3645 C7 4652 D30
I12 3646 E7 4653 D3
K12 3649 G7 4832 H29
O12 3650 H7 4835 L2
A12 3651 G7 6601 B21
E12 3652 I7 6602 C21
F12 3655 L7 6641 B18
I12 3656 N7 6642 D18
K12 3657 M7 6643 G18
O12 3658 N7 6644 I18
A13 3659 A12 6645 L18
E13 3660 E12 6646 N18
F13 3661 A13 6647 G22
I13 3662 E13 6648 I22
K13 3663 F12 6649 C25