Onkyo HT-R420 Service Manual

TX-SR402/8240/HT-R420
VEE
VCC
47k 47k 47k 47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k 47k 47k 47k
47k
29
70
32
41
44
49
51
53
54
67
56
58
62
60
61
59
47
46
45
66 69
33 40
43
30
10
77 78
21
22
79 80
23
24
1
2
3
4
5
6
7
8
9
11
12
27 26 25 28
15
14
13
16
48
55
19
20
57
17
18
IN72
IN1DSP
IN1MIX
IN2DSP
IN2MIX
IN31
IN32
IN41
IN42
IN51
IN52
IN61
IN62
IN71
IN81
IN82
INDVDC
INDVDSL
INDVDSR1
INDVDSW
OUT1+
OUT1-
OUT2+
OUT2-
36 37 38 35
71 72 73 74 75 76
63
64
52
50
65 68
AGND10 AGND9 GOUT1 GOUT2 IN11 IN12 IN21 IN22 ROUT11 ROUT12 ROUT21 ROUT22 ROUT31 ROUT32 VIN1 VIN2
34 39
42
AGND3
GOUTSR
AGND5
AGND6
AGND7
AGND8
BBNF1
BBNF2
BNF11
BNF12
BNF21
BNF22
DA
DGND
AGND4
VINSR
MUTE
OUT1
OUT2
TNF1
TNF2
VCC
VEE
VINSR
31
AGND1 AGND2
GOUTC
GOUTSL
GOUTSW
INDSPC
INDSPSL
INDSPSR
INDSPSW
OUTC
OUTSL
OUTSR
OUTSW
VINC
VINSL
VINSW
LOGIC
BASS
BOOST
BASS
TREBLE
5.1ch mode SW2 DVD
5.1ch mode SW1
Input mute SW
REC
SW3
REC
SW2
REC
SW1
REC
INSW
LINE
L/R
MIX
LINE
L/R
MIX
1
2
3
1
2
3
5.1ch mode SW2 DSP
IC BLOCK DIAGRAM AND TERMINAL DESCRIPTIONS-2
Q301:BD3811K1 (6CH Volume with 8ch input selector)-1
BLOCK DIAGRAM
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

Onkyo HT-R420 Specifications

General

Brand	Onkyo
Model	HT-R420
Category	Receiver
Language	English