Sharp SD-AT50H, Service Manual

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SD-AT50H
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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.