Sharp SD-AS10, Service Manual

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SD-AS10
8 – 6
IC501 VHiBD3813K1-1: Volume (BD3813K1) (1/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No. Terminal Name Function
1 GND1 Ground terminal.
2 GOUTSW Subwoofer input gain output terminal.
3 VINSW Subwoofer volume input terminal.
4 GOUTSR Surround Rch input gain output terminal.
5 VINSR Surround Rch volume input terminal.
6 GOUTSL Surround Lch input gain output terminal.
7 VINSL Surround Lch volume input terminal.
8 GOUTC Center speaker input gain output terminal.
9 VINC Center speaker volume input terminal.
10 GND2 Ground terminal.
11* PORTA Output terminal for port.
12* PORTB Output terminal for port.
13 DA Serial data and latch input terminal.
14 CL Serial clock input terminal.
15 VDD Power supply terminal for port.
16 VEE (-) Power supply terminal.
17 GND3 Ground terminal.
18 VCC (+) Power supply terminal.
19 OUTSB Surround back output terminal.
20 GND4 Ground terminal.
21 OUTC Center speaker output terminal.
22 GND5 Ground terminal.
23 OUTSL Surround Lch output terminal.
24 GND6 Ground terminal.
25 OUTSR Surround Rch output terminal.
26 GND7 Ground terminal.
27 OUTSW Subwoofer output terminal.
28 GND8 Ground terminal.
29 OUTFL Lch output terminal.
30 GND9 Ground terminal.
31 OUTFR Rch output terminal.
32 GND10 Ground terminal.
33 BNF2L Lch bass filter terminal 2.
34 BNF1L Lch bass filter terminal 1.
35 BNF2R Rch bass filter terminal 2.
36 BNF1R Rch bass filter terminal 1.
37 TNFL Lch treble filter terminal.
38 VSSQ GND.
39 VINFR Rch volume input terminal.
40 GOUTFR Rch input gain output terminal.
41 VINFL Lch volume input terminal.
42 GOUTFL Lch input gain output terminal.
43 INFRA Rch DVD input terminal.
44 INFLA Lch DVD input terminal.
45 INSWA SWch DVD input terminal.
46 INSRA SRch DVD input terminal.
47 INSLA SLch DVD input terminal.
48 INCA Cch DVD input terminal.
49* INSBA SBch DVD input terminal.
50 INFRB Rch DSP input terminal.
51 INFLB Lch DSP input terminal.
52 INSWB SWch DSP input terminal.
53* INSRB SRch DSP input terminal.
54* INSLB SLch DSP input terminal.
55* INCB Cch DSP input terminal.
56 INSBB SBch DSP input terminal.