Read Sharp SD-AT1000 (serv.man16) Service Manual online
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SD-AT1000
IC501 VHiBD3811K1-1: Volume IC (BD3811K1) (2/2)
Terminal Name
Pin No.
Function
52
VCC
(+) Power supply terminal.
53, 54
AGND7, AGND8
Analog ground terminal.
55
OUT1
1ch output terminal.
56*
BBNF1
1ch bass boost filter terminal.
57
OUT2
2ch output terminal.
58*
BBNF2
2ch bass boost filter terminal.
59
BNF22
2ch bass filter terminal 2.
60
BNF12
2ch bass filter terminal 1.
61
BNF21
1ch bass filter terminal 2.
62
BNF11
1ch bass filter terminal 1.
63
TNF1
1ch treble filter terminal.
64
TNF2
2ch treble filter terminal.
65
VIN1
1ch (Lch) volume input terminal.
66
GOUT1
1ch (Lch) input gain output terminal.
67
AGND9
Analog ground terminal.
68
VIN2
2ch (Rch) volume input terminal.
69
GOUT2
2ch (Rch) input gain output terminal.
70
AGND10
Analog ground terminal.
71*
ROUT11
1ch REC input and output terminal 1.
72*
ROUT12
2ch REC input and output terminal 1.
73*
ROUT21
1ch REC output terminal 2.
74*
ROUT22
2ch REC output terminal 2.
75
ROUT31
1ch REC output terminal 3.
76
ROUT32
2ch REC output terminal 3.
77
IN11
1ch input terminal 1.
78
IN12
2ch input terminal 1.
79
IN21
1ch input terminal 2.
80
IN22
2ch input terminal 2.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
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