Philips MMX450/37 Service Manual page 39

1 2 3 4
VOLUME CONTROL PART FR965 - FR975 - MFX450 - Part A
A
Left in
from Left out
Right in
from Right out
DownmR
DownmL
B To / From
Source
Left MDM
Selector
Part
Right MDM
ss data MDM
ss clk
1521
C
ss ce
4642 dd reset 1
dd req 2
+6,8V
4644
sda 1 3
+6
scl 4
5
D
4259
S
6
4653
7 r in
8
S
9 l in
E
10
S 11
+12
+12V
–12 12
–13,5V
S
1523
F
1 l out
2
S 3 r out
4
1520
S
5 c out
G
1
ss ce
6
2
ss clk
S
3 7 sl out
ss data
10 8 sr out
7 D 9 subw out
H
8 10 l dmix
9 11
amp lr on
From
S
11 12 r dmix
Amplifier
amp prot
14
dd reset
15
dd req
I
4 sofac scl
sofac scl
5 sofac1 sda1
sofac1 sda1
6 sofac2 sda2
sofac2 sda2
12 mute lr
amp mute lr
13 mute c s sub
amp mute
J
c s sub
To/From 1410
Front panel
6 CH DVD INPUT PART
1563 1503
1542
K
3952 3505
3 1 1 Center
100E 15k
2835
1n 2507
4
Centre/ 2 2
1n
Subwoofer S2
S2
1
S2
S2
3953 3506
2836
3 3 Subwoofer
1n 100E 15k
2
L
2506
S2
5 1n
4835
S2
1502 S
3511 3501
2 Front L
100E 15k
2501
Front
M
1
1n
Left/Right
3512 S1 3502
Front R
3
100E 15k
S1 2502
1n
3954 S1 3509
5 Surr L
N 100E 15k
2505
Surround
4
1n
Left/Right
3955 S3 3510
Surr R
6
100E 15k
S3
2934
7
9506
1n
O
S S3
VOLUME CONTROL PART FR965 FR975 MFX450
3104 217 06420/06430/06490/07040 part A
1 2 3 4
10-6
5 6 7 8 9
3620
100E
7641
2868 2641
TDA7437
3641
µ
220p 1
16 STEREO 1L
S1 S1
3941 2643
17 STEREO 2L
220E
LEFT
1µ 18 STEREO 3L
2883 CHANNEL
3643
1n 15 STEREO 4L
2645
1µ 14 DIFF L
S1 S1
Front L
13 DIFF GND L
11 MONO SOURCE
2862
3645
SELECTOR
100p 5 DIFF GND R
6 DIFF R
S1 S1
3621 2642
8 STEREO 1R
100E
µ 1
9 STEREO 2R
2869
RIGHT
3642
220p 10 STEREO 3R CHANNEL
2644
S1 S1 7 STEREO 4R
1µ
3940
220E
2884 2646
3644
µ
1n 1
S1 S1
Front R
2863
3646
100p
S1 S1
2861
D
22n
S2
3945
7642
220E 2647
TDA7437
1µ
2885 3649
16 STEREO 1L
2649
1n
1µ
17 STEREO 2L
S2 S2
LEFT
2651
18 STEREO 3L
Center out
CHANNEL
µ 1 15 STEREO 4L
2864
3651 14 DIFF L
100p
13 DIFF GND L
S2 S2
3944
9648 11 MONO SOURCE
220E
SELECTOR
5 DIFF GND R
2648
2886
1µ 6 DIFF R
3650
1n
8 STEREO 1R
2650
S2 S2
1µ
9 STEREO 2R
RIGHT
2652
10 STEREO 3R CHANNEL
Subwoofer
7 STEREO 4R
1µ
2865
3652
100p
S2 S2
3949
7643
220E
TDA7437
2887 2655
3655
16 STEREO 1L
2n2 1µ
17 STEREO 2L
S3 S3
2657 LEFT
Surr L 18 STEREO 3L
CHANNEL
µ 1
15 STEREO 4L
2866
3657
14 DIFF L
100p
13 DIFF GND L
S3 S3
11 MONO SOURCE
3948 SELECTOR
5 DIFF GND R
220E
6 DIFF R
2888 2656
3656 8 STEREO 1R
2n2 1µ
9 STEREO 2R
S3 S3
RIGHT
2658
Surr R 10 STEREO 3R CHANNEL
µ 1
7 STEREO 4R
2867
3658
100p
S3 S3
Only in FR975 .....V - Voltage measured during normal operation
- Source position : Tuner FM
Only in FR965 /MFX450
- No special features ON
$ Only in FR965/17 .....V Stand by
5 6 7 8 9
10 11 12 13 14
2871 3883 2877
S1 12k
10n 100n
2695
3871 3873 3659
S1
68n
S1
3661
2659 2665 2671 2683 2677 2689
µ
2 2 47n 6n8 22n 22n 68n
S1
21 20 12 44 22 23 24 25 34
MUX- IN LOUD TREBLE MID MID BASS BASS FRONT REAR
OUT L L L L IN L OUT L IN L OUT L L
MUTE
VOLUME VOLUME 2
TREBLE MIDDLE BASS
LOUDNESS FADER
IN GAIN
LOGIC CONTROL
LEFT & RIGHT
IN GAIN
VOLUME VOLUME 2
TREBLE MIDDLE BASS BASS
LOUDNESS FADER
MUTE
MUX- IN LOUD TREBLE MID MID BASS BASS FRONT REAR
OUT R R R R IN R OUT R IN R OUT R R
3 2 4 1 31 30 26 27 33
S1
2660 2666 2672 2684 2678 2690
µ2
2 47n 6n8 22n 22n 3662 68n
S1
S1 2696
3872 3874 3660
68n
2872 2878
S1 12k
10n 3884 100n
2873 3885 2879
S2 12k
10n 100n
2697
3875 3877 3663
S2 68n
S2
2661 2667 2673 2685 2679 3665 2691
µ2
2 47n 6n8 22n 22n 68n
S2
21 20 12 44 22 23 24 25 34
MUX- IN LOUD TREBLE MID MID BASS BASS FRONT REAR
OUT L L L L IN L OUT L IN L OUT L L
MUTE
VOLUME VOLUME 2
TREBLE MIDDLE BASS
LOUDNESS FADER
IN GAIN
LOGIC CONTROL
CENTER + SUBWOOFER
IN GAIN
VOLUME VOLUME 2
TREBLE MIDDLE BASS BASS
LOUDNESS FADER
MUTE
MUX- IN LOUD TREBLE MID MID BASS BASS FRONT REAR
OUT R R R R IN R OUT R IN R OUT R R
3 2 4 1 31 30 26 27 33
S2
2662 2668 2674 2686 2680 2692
µ
2 2 47n 6n8 22n 22n 68n
3666
2698
S2
3878
3664
68n
2880
S2 S2 12k
3886 100n
2875 3887 2881
S3 12k
10n 100n
2699
3879 3881 3667
S3 68n
S3
3669
2663 2669 2675 2687 2681 2693
µ2
2 47n 6n8 22n 22n 68n
S3
21 20 12 44 22 23 24 25 34
MUX- IN LOUD TREBLE MID MID BASS BASS FRONT REAR
OUT L L L L IN L OUT L IN L OUT L L
MUTE
VOLUME VOLUME 2
TREBLE MIDDLE BASS
LOUDNESS FADER
IN GAIN
LOGIC CONTROL
SURROUND LEFT & RIGHT
IN GAIN
VOLUME VOLUME 2
TREBLE MIDDLE BASS BASS
LOUDNESS FADER
MUTE
MUX- IN LOUD TREBLE MID MID BASS BASS FRONT REAR
OUT R R R R IN R OUT R IN R OUT R R
3 2 4 1 31 30 26 27 33
S3
2664 2670 2676 2688 2682 2694
µ
2 2 47n 6n8 22n 22n 68n
3670
S3
S3 2700
3880 3882 3668
68n
2876 2882
S3 12k
10n 3888 100n
10 11 12 13 14
10-6
15 16
2533
Left
µ
22
3671
+9,4V
Part A
+9
INS S1
32 41
D
2633
DVDD
L 22n
DGND 36
DIGITAL
SUPPLY
S1
3675
CLK 38 sofac scl
100E
2 DATA 37 sofac1 sda1
I C
100E
INTERFACE
3676
ADDR 40
S1
SMEXT 28
MUTE PAUSE 35
CONTROL
2630
CSM 19
100n S1
mute lr
AVVD 42
ANALOG +9
SUPPLY +9,4V
2637 2636
R CREF AGND
µ
47 100n
29 39 43
S1 S1
2564
S1
µ
2 2
S1 S1
3672
2534
Right
22µ
2535 3679
Center
2k2
22µ
3677
+9,4V
+9
INS S2
32 41
D
2634
DVDD
L 22n
DGND 36
DIGITAL
SUPPLY
S2
3681
CLK 38 sofac scl
100E
2 DATA 37 sofac1 sda1
I C
100E
INTERFACE
3682
ADDR 40 +9
+9,4V
SMEXT 28
PAUSE 35
MUTE
mute To
CONTROL
2631 c s sub
CSM 19
Volume
100n S2
Control
AVVD 42
ANALOG +9
SUPPLY +9,4V
PART B
2639
2638
R CREF AGND
47µ 100n
29 39 43
S2 S2
2565
µ
2 2 S2
S2 S2
3678
2536 3680
2k2 Subwoofer
µ
22
2537 3685
2k2 Surround Left
22µ
3683
+9,4V
+9
INS S3
32 41
D
2635
DVDD
L 22n
DGND 36
DIGITAL
SUPPLY
S3
3687
CLK 38 sofac scl
100E
2 DATA 37 sofac2 sda2
I C
100E
INTERFACE
3688
ADDR 40
S3
SMEXT 28
PAUSE 35
MUTE
CONTROL
2632
CSM 19
100n S3
AVVD 42
ANALOG +9
SUPPLY +9,4V
2629
2628
R CREF AGND
47µ 100n
S3 S3
29 39 43
S3
2566
2 µ2
3684
S3 S3
2538 3686
2k2
Surround Right
µ
22
Mdi-LEU0180/0016
15 16
1502 M1 2694 O13 3664 J12 6650 B26
1503 K3 2695 A13 3665 F13 6801 L23
1515a A23 2696 E13 3666 J13 6802 L23
1520 G1 2697 F13 3667 K12 6803 M23
1521 C4 2698 J13 3668 O12 6804 N23
1523 F4 2699 K13 3669 K13 6805 N23
1525 C30 2700 O13 3670 O13 6806 O23
1526 E24 6807 N29
2801 L23 3671 A16
1540 H30 2802 N23 3672 E16 6808 O29
1542 K1 2803 O23 3673 A17 6809 M28
1550 G30 2804 J26 3674 E17 6810 F27
1552 E24 2805 L24 3675 B16 6811 E27
1554 E25 2806 M24 3676 C16 6831 J29
1560 H25 2807 N24 3677 F16 6832 J29
1563 K2 2808 N24 3678 J16 7601a D20
1601 A23 2809 F28 3679 F16 7601b B20
1801 K21 2810 F28 3680 J16 7621 B22
1802a N30 2811 E28 3681 G16 7622 D22
1802b M21 2812 E28 3682 H16 7641 A8
1803a N30 2813 M27 3683 K16 7642 F8
1803b N21 2814 M29 3684 O16 7643 L8
2501 M4 2815 L24 3685 K16 7644 A25
2502 N4 2816 O27 3686 O16 7651 A18
2505 N4 2817 M27 3687 L16 7652 E18
2506 L4 2818 L22 3688 M16 7653 F18
2507 K4 2821 N22 3689 C18 7654 J18
2531 F19 2822 O22 3690 D18 7655 K18
2532 J19 2831 I28 3691 G18 7656 O18
2533 A15 2832 J28 3692 I18 7657 C18
2534 E15 2833 J30 3693 M18 7658 G18
2535 F15 2834 G29 3694 M18 7660a G20
2536 J15 2835 K2 3695 C18 7660b I20
2537 K15 2836 L2 3696 C18 7661 G22
2538 O15 2837 J27 3697 C17 7662 I22
2539 B25 2851 G19 3698 H18 7801 M28
2540 B26 2852 I19 3699 G18 7802 M29
2563 C25 2853 G19 3700 H17 7803 K24
2564 E15 2854 H19 3801 L22 9506 O2
2565 J15 2855 H20 3802 M22 9648 H5
2566 O15 2856 H20 3803 N29
2567 C17 2857 J21 3804 N22
2568 G17 2858 J20 3805 K27
2569 C29 2860 F20 3806 K27
2603 B19 2861 F5 3809 L22
2604 C19 2862 C7 3810 L28
2605 C20 2863 E7 3811 N22
2606 C20 2864 G7 3812 M28
2607 B21 2865 I7 3813 N28
2608 D21 2866 M7 3814 O22
2610 D19 2867 N7 3815 N29
2611 E20 2868 A7 3816 L29
2612 G21 2869 D7 3817 L28
2613 I21 2871 A10 3818 M29
2614 A20 2872 E10 3819 J25
2615 A21 2873 E10 3820 F27
2616 E21 2875 K10 3821 E27
2617 A19 2876 O10 3831 H28
2618 D19 2877 A13 3832 J28
2619 A22 2878 E13 3834 G28
2620 D22 2879 E13 3851 G20
2628 N16 2880 J13 3852 H20
2629 N16 2881 K13 3853 G19
2630 C16 2882 O13 3854 I19
2631 H16 2883 B7 3855 I21
2632 N16 2884 D7 3856 F21
2633 B16 2885 G7 3857 F20
2634 G16 2886 H7 3858 J20
2635 L16 2887 L7 3859 G21
2636 D16 2888 M7 3860 H21
2637 D16 2926 F21 3871 A10
2638 I16 2934 O4 3872 E10
2639 I16 2937 B19 3873 A10
2641 A8 3501 M4 3874 E10
2642 C7 3502 M4 3875 F10
2643 B7 3505 K4 3877 F10
2644 D8 3506 L4 3878 J11
2645 B8 3509 N4 3879 K10
2646 D8 3510 O4 3880 O10
2647 F8 3511 M3 3881 K10
2648 H8 3512 M3 3882 O10
2649 G8 3560 G21 3883 A13
2650 H8
3561 A25 3884 E13
2651 G8 3562 B25 3885 E13
2652 I8 3563 I21 3886 J13
2655 L8 3601 A19 3887 K13
2656 M8 3602 D19 3888 O13
2657 L7 3603 A19 3889 H22
2658 N7 3604 E19 3890 H22
2659 A10 3605 B19 3891 A17
2660 E10 3606 D19 3892 E17
2661 F10 3607 B20 3893 F18
2662 I10 3608 C20 3895 K18
2663 K10 3609 B21 3896 O18
2664 O10 3610 D21 3938 C21
2665 A11 3611 A22 3939 C21
2666 E11 3612 D22 3940 D7
2667 F11 3618 G21 3941 B7
2668 I11 3619 I21 3944 H7
2669 K11 3620 A7 3945 F7
2670 O11 3621 C7 3948 M7
2671 A11 3622 B21 3949 K7
2672 E11 3623 D21 3952 K3
2673 F11 3627 D21 3953 L3
2674 I11 3629 A20 3954 N3
2675 K11 3641 B7 3955 O3
2676 O11 3642 D7 4259 D4
2677 A12 3643 B7 4642 C3
2678 E12 3644 E7 4644 D3
2679 F12 3645 C7 4652 D30
2680 I12 3646 E7 4653 D3
2681 K12 3649 G7 4832 H29
2682 O12 3650 H7 4835 L2
2683 A12 3651 G7 6601 B21
2684 E12 3652 I7 6602 C21
2685 F12 3655 L7 6641 B18
2686 I12 3656 N7 6642 D18
2687 K12 3657 M7 6643 G18
2688 O12 3658 N7 6644 I18
2689 A13 3659 A12 6645 L18
2690 E13 3660 E12 6646 N18
2691 F13 3661 A13 6647 G22
2692 I13 3662 E13 6648 I22
2693 K13 3663 F12 6649 C25