13-3
13-3
SPR 00 0140
DPL CIRCUIT DIAGRAM
LOGIC CTRL
VREF
/
LPF
VOL
-
+
NR DECODER
B-TYPE
MODIFIED
DUAL-TIME CONSTANT
AMPLIFIERS
DIFFERENCE
LOG
RECTIFIER
FULL WAVE
VREF
NOISE
SEQUENCER
IREF
BPF
BPF
AVcc
VREFA
VOL
VOL
SELECT
OR 1
+ -
M
+ -
M
-
+
ATT
MIX
EC
SU
MOS
SFB
SELECTOR 2
MODE
SELECTOR 3
C
R
L
R
C
L
AGND
+
-
CONTROL
CENTER
SERVO
VCA
BALANCE
AUTO
SELECTOR
VCA
NETWORKS
COMBINING
L+R L-R
A/D
D/A
LPF
+9.2dB
AND THRESHHOLD SWITCHES
VREFD
AVdd
AVss
DVss
CLK
16kSRAM
LOGIC
REQ
SCK
DATA
MCU Interface
CNT
TEST
MIC
+
DVdd
+
+9.2dB
2
L-R
2
L+R
S
-9.2dB
2725 A4
2726 A4
C
D
E
A
B
C
D
E
1711 A10
1712 C1
2711 A2
2712 B2
2713 A2
2714 B2
2715 A2
2716 B2
2717 C2
2718 D2
2719 A3
2720 A3
2721 A3
2722 A3
2723 A3
2724 A4
2782 D7
2753 D4
2754 E6
2755 E7
2756 E8
2757 E8
2758 D9
2759 D5
2760 D9
2761 E1
2762 E1
2763 E1
2764 C10
2765 C2
2766 D2
2767 D3
2768 E3
2769 D3
2770 C2
2771 B8
2772 B8
2773 A7
2774 B8
2775 A8
2776 C8
2777 A8
2778 C8
2779 A9
2780 B9
2781 D7
7720 D10
9712 D9
7717-A A8
7717-B C8
7719 B9
3722 B2
2783 E3
2784 E3
2785 A6
2786 A6
2787 A6
2788 A6
2789 E4
2790 E5
2791 A10
2792 E10
2793 E2
2794 E2
2795 E2
2796 E3
2797 A8
2798 B8
2799 B10
2800 D10
2801 D7
3711 C1
3712 D1
3713 D1
3714 D1
3715 C2
3716 D2
3717 A2
3718 B2
3719 A2
3720 B2
3721 A2
TO AF8
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
A
B
2727 A4
2728 A4
2729 A4
2730 A4
2731 A5
2732 A5
2733 A5
2734 A5
2735 A5
2737 A5
2738 A6
2739 A6
2740 B7
2741 B7
2742 B7
2743 B7
2744 C7
2745 C7
2746 C7
2747 C7
2748 C7
2749 D7
2750 D7
2751 D3
2752 D3
680n
2735
3723 C3
3724 D3
3725 D3
3726 A5
3727 A6
3728 A6
3729 A6
3732 E4
3733 E4
3734 E6
3735 D6
3736 A6
3737 D9
3738 E1
3739 A9
3740 B9
3741 A9
3742 C9
3743 A10
3744 C10
3745 D5
3746 E7
3748 E7
3751 B9
3752 B9
3753 B9
3754 E6
3755 A8
3756 B8
3757 B8
3758 B8
3759 A9
3760 C9
3761 A8
3762 C8
3763 C1
3764 D1
3765 C10
3772 E3
3773 E3
3774 E3
3775 E9
3777 B9
3778 D10
3779 B10
3780 C10
4628 D8
4734 E9
5711 E6
5712 E5
5713 D2
6711 E1
6712 D7
7711 A7
7712 D8
7713 A9
7714 C9
7715 D1
7716 E7
470u
2790
4K7
3752
1K
3746
47n
470p
2784
220K
3725
3
2
1
8
4
+12A
a
1n
2791
a
BC847B
7715
2760
100n
a2
a
a
27K
3717
220K
3745
a2
22n
2720
NJM4556AM
7717-B
5
6
7
8
4
27p
2782
22n
10K
a2
a
# 9712
2772
47u
a
a
2792
100p
10n
2741
a
68n
2745
1n8
2740
2M2
3723
470u
2758
dd
3712
820R
2788
1n
100n
2713
2718
10u
a
a
10u
2751
3778
10K
10K
3755
47u
2771
dd
a
a
100R
3779
10u
2799
dd
2750
22u
10K
3777
100n
2759
2756
2u2
2754
27p
2755
100n
2722
3734
1K
dd
2721
22n
100u
2749
a
2u2
5712
3780
100R
a
2731
220n
1K
3735
2730
4u7
CST
5711
47K
3719
3775
1K
680p
2715
3760
12K
3774
1K
3740
1K
2u2
5713
dd
3K3
3759
220n
2753
a
a
22K
3732
2752
10u
80
9
4628
3773
1K
66
67
68
69
7
70
71
72
73
74
75
76
77
78
79
8
51
52
53
54
55
56
57
58
59
6
60
61
62
63
64
65
37
38
39
4
40
41
42
43
44
45
46
47
48
49
5
50
22 23 24
25
26
27
28
29
3
30
31
32
33
34
35
36
1
10 11
12 13 14 15 16 17 18 19
2
20 21
671
1
BZX79-C5V6
M62460FP
7711
a
100u
2762
2764
1n
2719
100n
a
2800
10u
470p
# 2793
3753
4K7
a
# 2794
470p
a
7720
BC857B
27K
3716
10u
2717
2769
47u
a
BC857B
7719
a2
a
10K
3761
a
3764
3K9
2738
100n
a
1n
2786
a
+5VA
a
2785
1n
dd
a2
a
dd
# 2797
47p
2723
100n
1K
3742
4u7
2773
a
a
1K
3741
a2
+5VA
a
a2
2783
470p
3757
100K
a
a
BC847B
7716
# 2798
47p
a
2u2
2757
a2
a2
2779
2u2
2u2
2780
+5VA
2K7
3738
100u
2765
27K
3715
10K
a2
3762
330K
3726
47K
3729
22n
2781
1711
EH-B
1
2
3
2711
100n
a
2739
100n
a
a2
a
# 2795
a2
3722
6K8
dd
470p
2776
22p
BC847B
7714
1K
3739
BC847B
7713
1K
3765
2796
470p
2726
100n
220p
2737
a
3736
47K
dd
2789
1n
1n
2787
3714
10K
2712
100n
a
4u7
2729
7712
5
CLK
4
DATA
3
GND
6
VCC
1
8
2
7
a2
a
a
M62429FP
a
2774
4u7
2747
10n
4n7
2763
2n2
2761
100R
3751
68n
2742
2727
a
10K
3733
220n
27K
3718
2714
100n
47n
2724
3720
47K
3772
1K
+12A
3756
10K
a
a
2778
470p
220u
2766
a
2725
4734
100K
3758
6
7
8
9
22p
2775
1
10
11
12
13
14
15
16
17
2
3
4
5
a
1712
3754
1M
3763
3K9
6K8
3721
dd
dd
a2
10u
2767
100K
3724
12K
3727
1u
2748
220n
2728
2746
1n8
2744
100n
47n
2733
a
a2
a2
10K
3743
# 6712
1N4148
2801
100n
560p
2777
4n7
a
220K
3748
3744
2716
680p
2768
100n
2743
3737
22R
3728
12K
820R
3711
10K
3713
a2
a
a
a
dd
4n7
2734
7717-A
NJM4556AM
2732
220n
47u
2770
LT
RT
RCH
DPLREF
DPLREF
ALC_EN
DPL_REQ
DPL_GND
DPL_DATA
DPL_CLK
DPL_V_CLK
CENTRE
surr_out
SURR
MUTE_C
MUTE_S
DPL_V_CLK
LT
MUTE_C MUTE_S
REF_d
REF_d
CSref
DPL_CLK
DPL_REQ
CSref
CSref
DPL_GND
ALC_EN
DPLREF
surr_out
LCH
DPLREF
DPLREF
DPLREF
DPLREF
RT
LCH
RCH
DPL_DATA
DPLREF
DPLREF
DPLREF
DPLREF
DPLREF
# : Provision.
3139 118 53240...86350 for...3426 pt3 dd wk0033
Note : Some values may varies, see respective parts list for correct value.
5.7V
5.7V
4.8V
+8.5V
5V
2.5V
0V
0V
2.5V
5.4V
0V
5.7V
11.5V
4.8V
0V
4.9V
0.1V
5.7V
0V
2.5V
5.7V
2.5V
5.7V
0V
8.5V
0V
4.9V
0V
0V
+5V
+5V
+5V
+8.5V
+5V
+8.5V
+5V
+5V
+8.5V
+5V
Summary of Contents for FW-C870
Page 25: ...4 1 4 1 SET BLOCK DIAGRAM PCS 103 615 Blue Strip wOOx BassTreble ...
Page 55: ...10 3 Service Position ...
Page 56: ...10 4 Wiring ...
Page 69: ...10A 3 Service Position ...
Page 70: ...10A 4 Wiring ...
Page 76: ...10A 10 10A 10 ...