Sharp SD-AT1000H - Page 50

SD-AT1000H
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Figure 50 BLOCK DIAGRAM OF IC
IC501 VHiBD3811K1-1: Volume IC (BD3811K1)
1
47K
47K
47K
47K
47K
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
2
3
4
5
6
7
8
9
10
11
12
13
14
–
+
+
+
–
–
+
–
+
–
+
–
15
16
17
18
19
20
21
22
23
24
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
–
+
5.1ch Mode SW2 DSP
5.1ch Mode SW2 DVD
5.1ch Mode SW1
LINE
R/L
MIX
LINE
R/L
MIX
+
–
+
–
+
–
1
2
3
1
2
3
Input mute SW
+
+
–
–
+
–
+
–
–
+
–
+
–
+
LOGIC
VEE
VCC
+–
–+
–+
BASS
BOOST
BASS
TREBLE
REC
INSW
REC
SW1
REC
SW2
REC
SW3
IN31
IN32
IN41
IN42
IN51
IN52
IN61
IN62
IN71
IN72
IN81
IN82
INDVDSR
INDVDSL
INDVDC
INDVDSW
OUT2+
OUT2-
OUT1+
OUT1-
IN1DSP
IN1MIX
IN2DSP
IN2MIX
INDSPSR
INDSPSL
INDSPC
INDSPSW
AGND1
GOUTSW
VINSW
AGND2
GOUTC
VINC
OUTSW
OUTC
OUTSL
OUTSR
VINSL
GOUTSL
AGND3
VINSR
GOUTSR
AGND4
DGND
DA
CL
MUTE
AGND5
VEE
AGND6
VCC
AGND7
AGND8
OUT1
BBNF1
OUT2
BBNF2
BNF22
BNF12
BNF21
BNF11
TNF1
TNF2
VIN1 GOUT1 AGND9 VIN2 GOUT2 AGND10 ROUT11 ROUT12 ROUT21 ROUT22 ROUT31 ROUT32 IN11 IN12 IN21 IN22