Marantz SR-3000, Service Manual

Page: 61 / 77

2
1
HP R
HP L
1
3104 217 05800
VOLUME CONTROL PART FR735
LEU0168
9926
3
16
+9
STEREO 1L
1
µ
1
µ
STEREO 2L 17
STEREO 3L 18
STEREO 4L 15
100k
100k
DIFF L 14
DIFF GND L 13
MONO 11
DIFF GND R 5
DIFF R 6
µ
1
100k
µ 1
9 STEREO 2R
STEREO 3R 10
STEREO 1R 8
STEREO 4R 7
CHANNEL
LEFT
CHANNEL
RIGHT
SOURCE
SELECTOR
IN GAIN
LEFT & RIGHT
LOGIC CONTROL
VOLUME
LOUDNESS
MUX-
OUT L
47n
12
10n
2 2
µ
20 21
3k3
L
IN LOUD
L
1k
TREBLE
6n8
44
L
TREBLE
MIDDLE
22n
OUT L
MID
23
22n
IN L
22
MID
2k7
BASS
BASS
IN L
24
12k
100n
68n
68n
25
5k6
MUTE
VOLUME 2
FADER
34
BASS
VOLUME
LOUDNESS
TREBLE MIDDLE BASS
VOLUME 2
FADER
IN GAIN
3k3
1k
10n
µ
2 2 47n 6n8 22n 22n 68n
2k7
12k
100n
68n
5k6
MUTE
MUX-
OUT R
R
IN TREBLE
R R
LOUD
IN R
MID BASS
OUT R IN R
MID
3 2 1 4 31 30 26 27 33
32
L
REAR
INTERFACE
100E
100E
40 ADDR
DATA 37
CLK 38
S1
sofac scl
sofac1 sda1
29
R
REAR
CSM 19
S1
PAUSE
SMEXT
35
28
2
I C
CONTROL
MUTE
100n
SUPPLY
DIGITAL
36 DGND
DVDD
41
S1
22n
ANALOG
SUPPLY
AVVD 42
CREF
39 43
AGND µ
47 100n
+9
µ
10
100k
2k2
BC857B
4 µ
10k
+5mute +5mute
+5mute
7
220k
–12
2k2
2k2
BC817-40
10 µ
100k
2k2
220p
33k
47p
12k
HP
22 µ
S1 S1
S1 S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
S1
D
S1
IN LR
IN LR
S1
120E
47
µ
100
µ
HP
22n
HP
10E
+12
5
6
7
8
BC817-40
2k2
1N4148
2k2
220p
3
2
1
47
120E
µ
1N4148
HP
BC817-40
47p
33k
12k
µ
22
HP
4
10E
100
HP
22n
HP
µ
–12
NJM4556AM
NJM4556AM
47k
HP
100p
HP
47k
100p
HP HP
FRONT
L
FRONT
R
BASS
OUT R
BASS
OUT L
22k
mute lr
STEREO 4R
STEREO 1R
STEREO 3R
STEREO 2R
DIFF R
DIFF GND R
MONO
DIFF GND L
DIFF L
STEREO 4L
STEREO 3L
STEREO 2L
STEREO 1L
18
µ
1
100k
S2
10
1 µ
7
9
100k
8
6
5
11
S2
13
14
15
17
16
6
5
2
3
2k2
VOLUME 2 VOLUME
REAR
S2
1k
10n
3k3
68n
2k7
S2
100n
12k
TREBLE
TREBLE
IN GAIN
RIGHT
CHANNEL
2 2
µ
S2
OUT R
3 2
R
47n
4
R
LOUDNESS
VOLUME
MUX- IN LOUD
IN GAIN
SELECTOR
SOURCE
CHANNEL
LOUDNESS
IN R
BASS
BASS BASS
22n 6n8
1
R
31
IN R
22n
OUT R
30 26
MIDDLE
TREBLE MID MID
27
68n
5k6
OUT R
S2
R
33
BASS
MUTE
FRONT
FADER
VOLUME 2
BASS
LOGIC CONTROL
MIDDLE
FADER
S2 S2
BC817-40
2k2
µ
10
100k
mute c s
19 CSM
42
R
29 39
CREF AGND
43
SUPPLY
ANALOG
AVVD
100n
S2 S2
47
µ
+9
100n S2
28
35
38
37
40
CONTROL
MUTE PAUSE
SMEXT
INTERFACE
I C
2
DATA
ADDR
CLK
sofac1 sda1
sofac scl
100E
100E
1N4148
S2
2k2
22p
22k
–12
220k
7 µ 4
10k
BC857B
REAR
10n
LEFT
21 20 12
L OUT L
MUX- IN
L
LOUD
1k
µ
2 2
3k3
S2
47n
100n
68n
IN L
BASS
24 22 23 44
IN L L
TREBLE MID
OUT L
MID
2k7
22n 6n8
S2
22n
S2
34 25
OUT L
MUTE
BASS
L
FRONT
68n
5k6
S2 12k
36
41 32
DVDD
DIGITAL
SUPPLY
L
DGND
+9
22n
S2
D
10
µ
BC817-40
+5mute +5mute +5mute
1N4148
S2
100k
IN C
22p
2k2
µ
S
47
S
100n
–12
1k
4
270E
NJM4560M
7
1N4148
BC817-40
S
2k2
2k2
1N4148
S
8
NJM4560M
1
1k
BC817-40
100p
S2
TDA7437
TDA7437
SURROUND
220n 100k
S2
S S
47
µ
100n
+12
270E
220n
100k
Left out
to Left in
Right out
to Right in
Center out
to Center in
Left & Right
3
S2
4
1
2
S2
Left
Right
Center
Center pre-out
Left
Right
Center
Center pre-out
Surround
2
3
4
5
6
7
8
9
9
8
7
6
4
5
3
2
1
Left in
from Left out
from Right out
Right in
S
S
Left DPL in
+5
S
S
S
22n
D S
l out
r out
c out
Right DPL in
s out
S1
HP Gnd
3
2
1
8
9
11
amp s on
amp lr on
ss data
amp prot
To / From
Source
Part
Selector
ss ce
ss clk
Left & Right
amplifier
10
dpl clk
7 D
ss clk
ss ce
ss data
dpl clk
request
data
dd req
sofac scl
sofac1 sda1
4
5
14
15
amp mute lr
amp mute c s
6
12
13
sofac2 sda2
mute c s
mute lr
sofac2 sda2
sofac1 sda1
sofac scl
S2
1
2 2
1
S2
100p
1
3
2
3
P
4
2
1
22n
100E
100p
P
P
1
2
P P50
P gnd
To 1434
Front Part
Surround
pre-out
Center
pre-out
S2
4E7
µ 100
+9 +12
470E
BC337-40
BZX79/
C10
47 µ
S S S
IN S A
D S1
V S2
HP
HP
Front Part
To/From 1410
IN S
IN S
+9
Surround pre-out
10k
S2
100E
µ 10
HP
100k
1N4148
BC817-40
100E
10
µ
100k
HP
1N4148
S2
10k
+5D +5mute
2200 µ
D
1N4003GP
Cinema
link
P50
Front Part
To 1439
+9
Surround
Surround out
to Surround in
100k
From
µ
2 2
2 2
µ
amplifier
To
IN LR
5k6
5k6
IN LR
5k6
IN C
S2
5k6
100p
4k7
100p
4k7
S2
22
µ
10k
22 µ
10k
S2
100E
1N4148
P P
1N4148
47E
100n
P
10
µ
S
47k
10
µ
47k
S
120E
120E
1n
S1
220E
100E
220p
S1
220E
1n
S1
S1
220p
100E
220E
S2
1n
S2
2n2
220E
VOLUME CONTROL PART SR3000
DPL
P50 PART
+9V Voltage Regulator
MUTE
MUTE
MUTE
HEADPHONE AMPLIFIER
SURROUND PART
3944
2886
2885
3945
3620
2868
3941
2883
3621
2869
3940
2884
3623
3622
3619
2613
3618
2612
2832
3832
6831 6832
9645
6649
2563
3859
6641
3603
2617 3601
7651
6642
3604
2618 3602
3860
1522
2641
2643
3641
3643
3644
2642
2644
2665
2871
2659
3871 3873
2671 2677 2683
3659
3883 2877
2695
2689 3661
3872 3874
2872
2660 2666 2672 2684 2678 2690
3660
2878
3884
2696
3662
3676
3675
2630
2633
2637 2636
2533
3671
3673
7657
2567
3696
3695
3689
3690
7652
2534
3672
3674
2937
3607
2605
3605
2603
3609 2607
2614 2615
3629
7621
3938
6601
3939
2610
2608 3610
6602
7622
2606
3608
3606
2604
3627
2616 2611
7601b
7601a
3612
2620
3611
2619
2564
3697
3650
2650
3649
2649
3691
2698
2874
3876 3878
3886
3664
2880
2662 2668 2686 2674 2680 2692
3666
7654
3680 2536
3678
2631
2565
2638 2639
3682
3681
6644
3692
2852
3700
3698
3699
2568
7658
2661
3875 3877
2667
2873
2697
2685 2673 2679
3663
2691 3665
3885 2879
2634
7653
6643
3677
2851
3679 2535
2858 2857
3855
7660b
3563
6648
7662
6647
3890
3889
7660a
3560
7661
2569
7641
7642
9654
2532
3858
2860
2926
3856
2531
3857
4652
1524
4641
9643
2861
9647
1520
1553 1527
3834
2834
1550
4832
1540
2833
3831
2831
1561
1525
3561
2539
3562
7644
6650
2540
1601
3642
3891
3892
3893
3894
3852
2856
2855
3851
2853
3853
3854
2854
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
A A
B B
C C
D D
E E
F F
G G
H H
I I
J J
K K
L L
M M
N N
O O
1520 G2
1522 D5
1524 G5
1525 G29
1527 K25
1540 M29
1550 K29
1553 K26
1561 M27
1601 B23
2531 H20
2532 L20
2533 A16
2534 F16
2535 H16
2536 M16
2539 C26
2540 C27
2563 C29
2564 E15
2565 L15
2567 C18
2568 J18
2569 G29
2603 C20
2604 D20
2605 C21
2606 D21
2607 B22
2608 E22
2610 E20
2611 E21
2612 I21
2613 L21
2614 B21
2615 B21
2616 E21
2617 B20
2618 E20
2619 B23
2620 E23
2630 D16
2631 K16
2633 B16
2634 I16
2636 E17
2637 E16
2638 L17
2639 L16
2641 B8
2642 D8
2643 C8
2644 D8
2649 I8
2650 K8
2659 B11
2660 E11
2661 I11
2662 L11
2665 B11
2666 E11
2667 I11
2668 L11
2671 B12
2672 E12
2673 I12
2674 L12
2677 B13
2678 E13
2679 I13
2680 L13
2683 B12
2684 E12
2685 I12
2686 L12
2689 B14
2690 E14
2691 I14
2692 L14
2695 B13
2696 F13
2697 H13
2698 L13
2831 N28
2832 O27
2833 O30
2834 L28
2851 I20
2852 L20
2853 J20
2854 K20
2855 J21
2856 K21
2857 L21
2858 L21
2860 H21
2861 F5
2868 B7
2869 D7
2871 A11
2872 F11
2873 H11
2874 M11
2877 A14
2878 F14
2879 H14
2880 M14
2883 C7
2884 E7
2885 J8
2886 K8
2926 H21
2937 B20
3560 I22
3561 C25
3562 C26
3563 L22
3601 B19
3602 E19
3603 B20
3604 E20
3605 C20
3606 D20
3607 C21
3608 D21
3609 B21
3610 E21
3611 B22
3612 E22
3618 I22
3619 K22
3620 B7
3621 D7
3622 C21
3623 D21
3627 E21
3629 B20
3641 B8
3642 D8
3643 C8
3644 E8
3649 J8
3650 K8
3659 B13
3660 F13
3661 B13
3662 E13
3663 H13
3664 L13
3665 I13
3666 L13
3671 B16
3672 F16
3673 A18
3674 F18
3675 C16
3676 C16
3677 H16
3678 M16
3679 H16
3680 M16
3681 J16
3682 J16
3689 C19
3690 D19
3691 J19
3692 K19
3695 D19
3696 C18
3697 D18
3698 J19
3699 J18
3700 J18
3831 M28
3832 O28
3834 L28
3945 I7
3851 J21
3852 K21
3853 J20
3854 K20
3855 L21
3856 I21
3857 I20
3858 L20
3859 G28
3860 L23
3871 B11
3872 F11
3873 B11
3874 F11
3875 H11
3876 L11
3877 H11
3878 L11
3883 A13
3884 F13
3885 H13
3886 M13
3889 J22
3890 K22
3891 B18
3892 F18
3893 H18
3894 M18
3938 C22
3939 D22
3940 D7
3941 C7
3944 K7
4641 D4
4652 H29
4832 L29
6601 C22
6602 D22
6641 B19
6642 E19
6643 I19
6644 L19
6647 J22
6648 K22
6649 C28
6650 C26
6831 O29
6832 O29
7601a D21
7601b C21
7621 C22
7622 E22
7641 B9
7642 I9
7644 C26
7651 A19
7652 F18
7653 H19
7654 L19
7657 C18
7658 J18
7660a I21
7660b K21
7661 I23
7662 K23
9643 D4
9645 D5
9647 H6
9654 M22
11-7 11-7 11-7