TX-L55/LR552
IC BLOCK DIAGRAMS AND DESCRIPTIONS
BD3817KS (7ch Volume with 10ch input selector)
BLOCK DIAGRAM
AGND1 1
AGND2 2
INA1 3
INA2 4
INB1 5
INB2 6
INC1 7
INC2 8
IND1 9
IND2 10
INE1 11
INE2 12
INF1 13
INF2 14
ING1 15
ING2 16
INH1 17
INH2 18
INI1 19
INI2 20
INJ1 21
INJ2 22
AGND3 23
INDVDFR 24
INDVDFL 25
INDVDC 26
INDVDSR 27
INDVDSL 28
INDVDCB 29
INDVDSW 30
AGND4
31
32
AUTO1
33
AUTO2
34
NC
35
AGND5
36
NC
37
NC
38
INDSPFR
39
INDSPFL
40
INDSPC
41
INDSPSR
42
INDSPSL
43
INDSPCB
44
INDSPSW
45
NC
46
AGND6
47
NC
48
GOUTSW
49
VINSW
50
AGND7
VINFR
80
GOUTFL
79
VINFL
78
AGND11
77
TNF1
76
TNF2
75
BNFA1
74
BNFB1
73
BNFA2
72
BNFB2
71
OUTFR
70
NC
69
OUTFL
68
AGND10
67
OUTC
66
OUTSR
65
OUTSL
64
OUTCB
63
AGND9
62
OUTSW
61
NC
60
AGND8
59
VINC
58
GOUTC
57
VINSR
56
GOUTSR
55
VINSL
54
GOUTSL
53
VINCB
52
GOUTCB
51
AGND15
100
OUT2
99
OUT1
98
AGND14
97
ROUTC2
96
ROUTC1
95
ROUTB2
94
ROUTB1
93
ROUTA2
92
ROUTA1
91
AGND13
90
VCC
89
NC
88
VEE
87
AGND12
86
DA
85
CL
84
MUTE
83
THGND
82
GOUTFR
81
LOGIC
TREBLE
BASS
Input
select2
Input
select1
V
CC
V
EE
Output
mode
select
Maser
volume
FRL select
6.1ch select
