Onkyo HT-R820THX Service Manual page 42

IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-5
Q301: BD3817KS (7ch Volume with 10ch input selector)-2
TERMINAL DESCRIPTION
Pin No. Pin Name
1 AGND1
2 AGND2
3 INA1
4 INA2
5 INB1
6 INB2
7 INC1
8 INC2
IND1
9
10 IND2
11 INE1
12 INE2
13 INF1
14 INF2
15 ING1
16 ING2
17 INH1
18 INH2
19 INI1
20 INI2
21 INJ1
22 INJ2
23 AGND3
24 INDVDFR
25 INDVDFL
26 INDVDC
27 INDVDSR
28 INDVDSL
29 INDVDCB
30 INDVDSW
31 AGND4
32 AOUT1
33 AOUT2
34 NC
35 AGND5
36 NC
NC
37
38 INDSPFR
39 INDSPFL
40 INDSPC
41 INDSPSR
42 INDSPSL
43 INDSPCB
Description
Analog ground terminal
Analog ground terminal
1ch input terminal A
2ch input terminal A
1ch input terminal B
2ch input terminal B
1ch input terminal C
2ch input terminal C
1ch input terminal D
2ch input terminal D
1ch input terminal E
2ch input terminal E
1ch input terminal F
2ch input terminal F
1ch input terminal G
2ch input terminal G
1ch input terminal H
2ch input terminal H
1ch input terminal I
2ch input terminal I
1ch input terminal J
2ch input terminal J
Analog ground terminal
FRch DVD input terminal
FLch DVD input terminal
Cch DVD input terminal
SRch DVD input terminal
SLch DVD input terminal
CBch DVD input terminal
SWch DVD input terminal
Analog ground terminal
1ch A/D output terminal
2ch A/D output terminal
Non-connected terminal
Analog ground terminal
Non-connected terminal
Non-connected terminal
FRch DSP input terminal
FLch DSP input terminal
Cch DSP input terminal
SRch DSP input terminal
SLch DSP input terminal
CBch DSP input terminal
Pin No. Pin name
44 INDSPSW SWch DSP input terminal
45 NC Non-connected terminal
46 AGND6 Analog ground terminal
47 NC Non-connected terminal
48 GOUTSW SWch input gain output terminal
49 VINSW SWch volume input terminal
50 AGND7 Analog ground terminal
GOUTCB CBch input gain output terminal
51
52 VINCB CBch volume input terminal
53 GOUTSL SLch input gain output terminal
54 VINSL SLch volume input terminal
55 GOUTSR SRch input gain output terminal
56 VINSR SRch volume input terminal
57 GOUTC Cch input gain output terminal
58 VINC Cch volume input terminal
59 AGND8 Analog ground terminal
60 NC Non-connected terminal
61 OUTSW SWch output terminal
62 AGND9 Analog ground terminal
63 OUTCB CBch output terminal
64 OUTSL SLch output terminal
65 OUTSR SRch output terminal
66 OUTC Cch output terminal
67 AGND10 Analog ground terminal
68 OUTFL FLch output terminal
69 NC Non-connected terminal
70 OUTFR FRch output terminal
71 BNFB2 2ch bass filter terminal B
72 BNFA2 2ch bass filter terminal A
73 BNFB1 1ch bass filter terminal B
74 BNFA1 1ch bass filter terminal A
75 TNF2 2ch treble filter terminal
76 TNF1 1ch treble filter terminal
77 AGND11 Analog ground terminal
78 VINFL FLch volume input terminal
GOUTFL FLch input gain output terminal
79
80 VINFR FRch volume input terminal
81 GOUTFR FRch input gain output terminal
82 THGND Comparator ground terminal
83 MUTE Mute terminal
84 CL Serial clock input terminal
85 DA Serial data and latch input terminal
86 AGND12 Analog ground terminal
TX-SR502/E/8250/HT-R520
Description