Onkyo HT-R420 Service Manual

PRINTED CIRCUIT BOARD VIEWS-2
TX-SR402/8240/HT-R420
A
1
2
3
4
5
BCD
2
C1
C101
03
3
C10
0
3
3
103
03
C1
C
1
0
10
4
C
10
04
4
C105
0
C
C
1
0
C105
0
C
C
1
0
C105
0
C
C
1
0
C
C
106
106
6
6
C
C
1
1
C
C181
C181
C
1
1
2
C182
C182
C183
18
C184
C184
C184
C184
C
C
C185
C185
C186
C186
6
6
C187
C187
C187
C300
0
301
3
01
C30
3
0
C
C
C
C
C302
302
C
C30
30
2
2
C
C
C3
2
2
C303
C
C303
C
C3
C304
C
3
C305
0
C
5
3
C
C
C
C
C305
0
C
5
3
C306
06
C3
6
30
C
C307
C3
C30
C310
C3
0
310
C
C311
C3
31
C
C
C312
2
C3
31
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313
3
3
31
C31
C3
31
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3
3
4
C314
4
C3
C31
C315
5
C3
C31
C316
6
C3
C316
31
C3
C3
C
17
7
17
C318
8
C3
C318
31
C319
9
C3
31
C
20
0
0
C
3
2
C
321
C322
C3
C
2
3
23
3
C323
C32
C323
C325
25
C3
C
C325
32
C326
6
C3
C326
C3
2
7
C328
C329
29
C329
C330
C330
C331
C33
C
332
C333
C333
C334
4
C
C334
4
C334
C335
5
335
C336
6
C336
C3
C337
C337
C338
8
C339
339
C340
C340
C3
C341
C341
C
C
C
C
C342
C342
C342
C
C
C
C343
43
3
3
C
C344
34
C345
C345
C346
C346
C347
47
7
7
C348
48
348
C34
34
C3
C349
349
C350
50
C
35
1
C352
C352
C353
C
C353
C
C35
4
C355
C355
C355
C356
C356
C356
C357
C357
C357
C358
C358
C358
C359
35
C359
C359
C
360
C361
C
C3
361
C362
C3
C3
3
363
3
C36
36
364
36
C
365
C366
C3
6
6
67
7
7
C3
C
3
C
C367
3
7
6
7
C3
C
7
7
C371
71
C37
C372
C3
C373
3
C3
C374
C37
75
75
75
C
C
C37
C37
37
C37
C3
376
C701
7
70
C
C
C
70
7
C7
C7
0
2
C703
03
C7
04
C704
7
C
C
5
5
05
5
5
C70
7
70
C
C
C706
C706
7
C707
7
70
C
C
0
7
C708
C708
C709
C709
C709
C710
C7
C
711
C712
C
C713
C
C71
C714
1
C
15
1
15
C7
C
7
C7
C
716
7
6
C717
C717
C71
C720
C720
C720
C720
C720
C721
1
C721
C721
1
C722
C7
C726
6
26
72
C
C7
C727
7
2
7
72
C
C
C728
2
7
72
C
C
29
9
2
7
C
C7
C
72
2
7
7
C730
C73
C7
30
1
3
C
7
3
3
C732
C
C
73
2
C800
C800
C801
C801
01
C8
C
C80
C8
802
80
02
C
C
C8
C
80
80
0
02
02
2
C
C
C
C80
80
C8
C
C
C8
C8
C
803
803
803
C
C
C
C
C
C804
C804
C804
C805
C805
C805
C806
80
8
0
0
C8
8
8
C807
07
C808
8
08
C80
C809
C810
10
C8
0
0
C811
1
C812
C81
C81
C
3
C81
C
4
C81
C8
C
C8
C
5
C816
8
C832
C832
C832
C
C832
C833
3
4
C83
C835
C
836
C837
837
C840
C8
C
C841
4
84
1
842
C842
C
C8
843
3
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C
C
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4
4
C
5
C84
C
C8
C845
C
C848
48
C8
C8
4
C849
84
C84
9
C850
C
85
C851
C
C852
2
C
C
853
C6
C6
01
01
01
640
640
C
C
C6
64
3
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640
C6
C6
4
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64
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40
05
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406
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4
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C
C
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1
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41
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641
C
C
1
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C6412
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C70
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C700
0
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C70
00
02
02
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C7
C
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00
C
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00
C
C70
C70
004
004
0
0
C7005
00
C7006
C
0
C7007
C7007
C7007
C7008
C7
08
C7009
C7
00
C7010
7
7010
7
C
7
7011
0
7
C
7
7012
0
7
C7014
014
C
15
C7015
C9501
501
C
C9502
C
9502
C9503
C9503
C
05
C9505
C9505
C9
C9505
C9506
C9506
C
C9506
6
9
5
0
C
507
7
C950
C9507
C
C9508
08
C950
10
0
C
95
1
0
C95
1
511
1
95
C9
C9512
9512
C9512
C9512
D
801
D802
D802
0
01
D700
7
D7002
2
D7002
700
D
D
003
00
D700
D70
D7004
700
D70
D
4
D
770
2
D9502
D950
D9503
D950
D
950
4
4
D9505
D950
D95
506
D9506
9507
D
9
507
D9508
D
D950
E30
300
E3
L181
L
181
L7L7
7
L701
L70
701
L702
70
2
L7
L7
L
L7
L703
L70
L703
3
L704
L7
04
4
70
L705
5
L705
L705
5
L801
L801
L8
L8
L802
0
3
L803
L
L80
4
L7001
L7
00
7001
L7
00
L700
L
02
101
1
01
10
P1
0
P1
P
P10
0
1
1
P301
P
P
P301
P
01
02
02
P3
P3
P
P
2
30
30
P302
30
04
P3
0
0
4
P
3
0
5
P305
P305
5
5
P
30
5
P
P
P306
306
306
P261A
P261A
P261A
P261A
P261A
5
P35
5
1
P
351
80
1
P
P802
2
410B
P
0B
P41
P
P
1
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P41
P
P
412B
412B
P4
P4
B
B
03
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2B
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P7502
P7502
7502
7502
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7
50
5
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B
P7
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P
P
01
01
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1
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8
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0
0
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30
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303
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305
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306
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307
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2
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3
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3
1
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15
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1
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5
5
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3
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7
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7
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31
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8
318
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1
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21
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32
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2
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1
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2
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3
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5
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6
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6
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87
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16
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17
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318
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9
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20
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3
21
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24
324
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25
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32
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32
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27
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28
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2
33
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33
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4
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4
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335
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6
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7
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37
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8
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33
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39
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34
34
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41
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62
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76
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76
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78
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385
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9
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9
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20
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04
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063
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06
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67
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85
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5
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5
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57
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85
58
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D9510
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D
D9512
951
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06
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6
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L805
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22
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2
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7
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0
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07
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08
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33
1
R
344
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3
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2
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8
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P406
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40
40
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NCDG-740
740
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40
74
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401
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1
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40
40
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2513740
374
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30
8
1
1
1
1
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1
1
1
1
1
1
U1 PREAMPLIFIER
PC BOARD
(NADG-7401)
Both side view from
reverce side
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