Table of Contents
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SD-AT1000
IC501 VHiBD3811K1-1: Volume IC (BD3811K1)
80
79
78
47K
47K
47K
1
IN31
47K
2
IN32
47K
IN41
3
47K
4
IN42
47K
IN51
5
47K
IN52
6
47K
7
IN61
47K
8
IN62
47K
IN71
9
47K
10
IN72
47K
IN81
11
47K
12
IN82
47K
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13
INDVDSR
14
INDVDSL
15
INDVDC
–
+
16
INDVDSW
17
OUT2+
18
OUT2-
OUT1+
19
5.1ch Mode SW2 DSP
OUT1-
20
21
IN1DSP
47K
22
IN1MIX
47K
47K
47K
23
IN2DSP
24
IN2MIX
47K
25
26
27
All manuals and user guides at all-guides.com
77
76
75
74
73
47K
REC
REC
SW2
SW3
+
–
+
–
1
+
2
3
–
1
+
2
3
–
Input mute SW
5.1ch Mode SW2 DVD
47K
47K
47K
+
–
+
–
–
+
–
+
–
47K
47K
28
29
30
31
32
Figure 50 BLOCK DIAGRAM OF IC
72
71
70
69
68
REC
SW1
+
–
REC
INSW
+
–
+
–
+
–
LINE
R/L
MIX
LINE
R/L
MIX
5.1ch Mode SW1
+
–
+
–
+
–
+
+
–
+
33
34
35
36
37
– 50 –
67
66
65
64
TNF2
63
TNF1
62
BNF11
TREBLE
61
BNF21
60
BNF12
BASS
59
BNF22
BBNF2
58
OUT2
57
56
BBNF1
BASS
BOOST
55
OUT1
54
AGND8
53
AGND7
52
VCC
VCC
51
AGND6
50
VEE
VEE
49
AGND5
48
MUTE
LOGIC
47
CL
46
DA
45
DGND
44
AGND4
43
GOUTSR
+
–
42
VINSR
–
41
AGND3
38
39
40
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