Onkyo TX-SR701 Service Manual page 52

IC BLOCK DIAGRAMS AND DESCRIPTIONS
BD3811K1(6ch Volume with 8ch input selector)
I N 3 1 1
4 7 k
I N 3 2 2
4 7 k
I N 4 1 3
4 7 k
I N 4 2 4
4 7 k
I N 5 1 5
4 7 k
I N 5 2 6
4 7 k
I N 6 1 7
4 7 k
I N 6 2 8
4 7 k
I N 7 1 9
4 7 k
Input mute Sw
I N 7 2 1 0
4 7 k
I N 8 1 1 1
4 7 k
I N 8 2 1 2
4 7 k
I N D V D S R 1 3
4 7 k
5.1ch Mode SW2 DVD
I N D V D S L 1 4
4 7 k
I N D V D C 1 5
4 7 k
I N D V D S W 1 6
4 7 k
O U T 2 + 1 7
O U T 2 - 1 8
5.1ch Mode SW2 DSP
O U T 1 + 1 9
O U T 1 - 2 0
4 7 k
I N 1 D S P 2 1
4 7 k
I N 1 M I X 2 2
4 7 k
I N 2 D S P 2 3
4 7 k
I N 2 M I X 2 4
No. Terminal Description
1 IN31 1ch input terminal 3
2 IN32 2ch input terminal 3
3 IN41 1ch input terminal 4
4 IN42 2ch input terminal 4
5 IN51 1ch input terminal 5
6 IN52 2ch input terminal 5
7 IN61 1ch input terminal 6
8 IN62 2ch input terminal 6
9 IN71 1ch input terminal 7
10 IN72 2ch input terminal 7
11 IN81 1ch input terminal 8
12 IN82 2ch input terminal 8
13 INDVDSR DVD surround Rch input terminal
14 INDVDSL DVD surround Lch input terminal
15 INDVDC DVD center input terminal
16 INDVDSW DVD sub woofer input terminal
17 OUT2(+) 2ch (+) A/D output terminal
18 OUT2(-) 2ch (-) A/D output terminal
19 OUT1(+) 1ch (+) A/D output terminal
20 OUT1(-) 1ch (-) A/D output terminal
21 IN1DSP 1ch DSP input terminal
22 IN1MIX 1ch DSP MIX input terminal
23 IN2DSP 2ch DSP input terminal
24 IN2MIX 2ch DSP MIX input terminal
25 INDSPSR DSP surround Rch input terminal
REC
SW3
REC
SW1
REC
INSW
5.1ch Mode SW1
Page 52
No. Terminal
26 INDSPSL
27 INDSPC
28 INDSPSW
6 4
T N F 2
29 AGND1
30 GOUTSW
6 3 T N F 1
31 VINSW
32 AGND2
6 2 B N F 1 1
33 GOUTC
6 1 B N F 2 1
34 VINC
35 OUTSW
6 0 B N F 1 2
36 OUTC
5 9 B N F 2 2
37 OUTSL
38 OUTSR
5 8 B B N F 2
39 VINSL
40 GOUTSL
5 7 O U T 2
41 AGND3
5 6 B B N F 1
42 VINSR
43 GOUTSR
5 5 O U T 1
44 AGND4
5 4 A G N D 8 45 DGND
46 DA
5 3 A G N D 7
47 CL
48 MUTE
5 2 V C C
49 AGND5
5 1 A G N D 6
50 VEE
51 AGND6
5 0 V E E
52 VCC
4 9 A G N D 5 53 AGND7
M U T 54 AGND8
4 8
M U T E
55 OUT1
C L
56 BBNF1
4 7
C L
57 OUT2
D A
4 6
D A
58 BBNF2
59 BNF22
4 5
D G N D
60 BNF12
61 BNF21
4 4
A G N D 4
62 BNF11
4 3
G O U T S R
63 TNF1
64 TNF2
4 2
V I N S R
65 VIN1
4 1
A G N D 3 66 GOUT1
67 AGND9
68 VIN2
69 GOUT2
70 AGND10
71 ROUT11
72 ROUT12
73 ROUT21
74 ROUT22
75 ROUT31
76 ROUT32
77 IN11
78 IN12
79 IN21
80 IN22
TX-SR701/E
Description
DSP surround Lch input terminal
DSP center input terminal
DSP sub woofer input terminal
Analog ground terminal
Sub woofer input gain output terminal
Sub woofer volume input terminal
Analog ground terminal
Center input gain out put terminal
Center volume input terminal
Sub woofer output terminal
Center output terminal
Surround Lch output terminal
Surround Rch output terminal
Surround Lch volume input terminal
Surround Lch input gain output terminal
Analog ground terminal
Surround Rch volume input terminal
Surround Rch input gain output terminal
Analog ground terminal
Ground terminal for comparator
Serial data and latch input terminal
Serial clock input terminal
Mute terminal
Analog ground terminal
(-) Power supply terminal
Analog ground terminal
(+) Power supply terminal
Analog ground terminal
Analog ground terminal
1ch output terminal
1ch bass boost filter terminal
2ch output terminal
2ch bass boost filter terminal
2ch bass filter terminal 2
2ch bass filter terminal 1
1ch bass filter terminal 2
1ch bass filter terminal 1
1ch treble filter terminal 1
2ch treble filter terminal 1
1ch(Lch) volume input terminal
1ch(Lch) input gain output terminal
Analog ground terminal
2ch(Rch) volume input terminal
2ch(Rch) input gain output terminal
Analog ground terminal
1ch recording input/output terminal 1
2ch recording input/output terminal 1
1ch recording output terminal 2
2ch recording output terminal 2
1ch recording output terminal 3
2ch recording output terminal 3
1ch input terminal 1
2ch input terminal 1
1ch input terminal 2
2ch input terminal 2