Onkyo HT-R520

PRINTED CIRCUIT BOARD VIEWS-2
TX-SR502/E/8250/HT-R520 TX-SR502/E/8250/HT-R520
FV
C
C
C
F
C
VC
C
C
C
C
4
4
V4R
V
R
V
4
R
4
4
V4
V
V
V
4L
L
L
4
N
N
GN
G
G
N
ND
D
D
N
PLLSTB
PL
B
B
T
S
T
LS
PLLSTB
L
B
P
B
T
S
T
LS
PLLSTB
L
B
P
T
S
T
LS
PLLSTB
L
B
P
B
T
S
T
LS
LDA
A
A
D
D
PLLDA
A
A
D
L
D
L
LLDA
A
A
D
L
D
L
P
P
PLLCL
L
P
L
C
L
C
L
DI
D
I
DI
DI
PLLDI
PL
LD
PLLD
D
D
D
GND
GND
GND
SIG
SIG
G
S
FMSIG
FMSIG
G
FMS
IG
G
G
I
+12VA
+12VA
+12VA
RDSDET
RDSDET
RDSDET
RDSDE
RDSDET
ET
RDSDE
TUL
TUL
TUL
G
N
D
TUR
TUR
T
UMUT
S
D
STEREO
STEREO
-
2V
2
1
V
-
2VVD
2
D
V
VD
VV
G
G
G
GND
GN
G
N
D
D
G
G
GND
GN
G
N
D
D
C
C
C
C
CNPT
N
C
P
T
P
RI
R
I
C
C
C
C
CTLA
T
C
L
A
A
C
C
C
C
CTLB
T
C
L
B
B
V
M
VM
V
V
MUT2
MU
M
U
T2
T
V
M
VM
V
V
MUT1
MU
M
U
T1
T
R
RX3
RX
R
X3
3
RX3
RX
R
X3
3
RX3
RX
R
X3
3
G
G
G
G
GND
N
G
D
D
R
RX
R
R
R
R
R
RX2
RX
R
X2
2
+5
+
+
+
5VD
V
DS
V
D
S
+5
+
VD
V
D
+5V
V
+5
DSP
D
S
S
R
R
RX
RX
X
X1
X
1
RX
R
1
1
R
RX1
RX
X
1
TX
T
X
TX
X
X
X
TX
T
X
X
TX
T
X
TX
X
N
N
D
D
GN
G
N
N
D
N
D
D
GN
G
N
N
G
D
D
N
D
GN
G
N
N
G
ND
D
N
D
GN
GN
N
G
GND
D
GN
N
D
G
GND
GND
D
G
G
O
O
O
O
LP
L
P
P
O
P
O
O
RP
R
P
P
O
O
P
RSP
R
S
P
P
R
LSPO
L
O
SP
P
O
LS
LSPO
L
O
SP
P
O
LS
LSPO
L
O
SP
P
O
LS
LS
L
S
LS
CPO
PO
C
CP
CPO
S
S
SBPO
SBP
PO
2
1
1
1
1
5
5
8
8
1
1
0
20
20
2
2121
4
4
4
0
0
40
40
40
1
1
1
1
41
1
61
1
6
1
61
1
6
61
80
8
80
80
80
1
1
1
1
1
1
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
8
8
8
8
8
8
8
8
8
NN
I
I
IN
IN
OUT
OUT
OUT
OUT
UT
1
1
1
1
1
1
1
1
0
0
0
0
0
30
3
30
30
31
3
50
5
0
0
0
50
50
50
0
0
0
51
5
51
51
51
1
80
80
8
8
8
8
81
1
10
1
10
100
100
0
00
E
E
E
E
C101
C1
C101
C
C
C
C
C
C
C
1
1
1
0
0
0
03
03
0
3
3
3
C
C
C
0
0
0
1
1
1
1
1
1
C104
04
C104
04
C106
C106
C106
C106
C30
C30
C3
C
300
C301
C30
C301
01
2
2
C302
C
3
2
02
C
C30
C303
03
C30
03
3
C30
C304
4
04
C304
04
304
C305
C
0
5
C
3
05
C306
C
0
C306
C307
0
307
C308
C3
308
C30
30
0
C
308
3
308
C310
0
C
31
10
C3
C311
1
3
1
C3
C312
31
C312
C313
1
3
C3
C314
C
1
4
314
C315
C
1
5
C315
6
6
16
C31
C
31
1
C3
6
6
6
C317
C
31
7
17
C3
C
C318
8
C
31
C318
C31
3
C
19
C3
C3
C3
320
C
C3
C3
320
C
C3
2
1
C322
322
2
C322
C3
C3
C
C
C323
C32
3
323
C325
25
C3
325
C
C326
C
32
6
26
C3
C
C
7
7
7
7
C3
2
7
7
7
8
8
C328
C
C341
C
C341
341
C
C3
34
C341
41
C
41
C34
C34
C342
42
C34
C3
C343
C3
C34
C343
C344
4
C3
C34
C345
C
C345
C345
C
C
45
C
C
C3
4
6
C
C
C
347
C347
C
C347
C
347
C347
C348
C348
348
48
C3
C3
C349
C3
4
34
C349
C
34
C3
0
C350
C
C351
C351
C
352
C353C353
C353
C3
C353
53
C354
C
C354
C
C354
C355
55
C
C356
C356
C357
C357
C358
58
8
C358
8
C359
C
C359
C359
C360
0
0
C361
C
36
6
C3
1
1
1
61
1
6
61
C
C
C
C3
2
2
362
62
2
C362
C363
C363
C364
C
364
C365
C366
6
C366
6
C367
C367
C
C367
C367
C368
C368
C
C368
C3
71
C3C3
C
C
C
372
7
3
3
C373
C373
3
C374
C374
4
4
C375
3
75
C
C376
C3
6
7
7
7
7
7
7
7
77
77
77
C37
C3
C37
7
7
C378
3
78
C
9
9
9
7
79
7
C3
C3
C37
7
C380
C3
C
C380
C38
3
C
C
381
1
C38
C3
70
701
1
C7
7
0
0
0
C704
C70
5
C
7
05
5
06
0
6
C70
7
C7
0
C
6
C
C
C
6
6
70
7
0
7
C
C71
C
7
7
718
C
C
C
1
7
8
8
C719
C
1
7
9
9
C781
81
C781
C800
C8
C802
C
C802
C80
C
C802
C80
C
C803
3
C8
03
C
804
4
C8
C
C
C805
05
C8
805
C806
80
8
C8
8
C
8
C
C
C
C
C807
C807
C807
C
C
C
C808
C
C808
C80
809
C8
C809
809
09
C811
8
C
C
C813
C81
13
13
C814
8
C
81
8
C
C
81
5
8
C
C816
C81
C817
8
C
C
C818
8
C
C
C819
819
9
9
C81
C820
0
C821
C8
C
C
C822
C8
C
C
C
C
C
C
C
C823
C
C
2
8
3
3
C824
24
82
C8
C825
C
C
8
25
2
5
6
2
2
2
82
6
6
2
2
C8
C
8
C
C827
C827
C828
28
C
82
C8
C
82
9
C
C
C
C
C
830
830
830
C831
C
C
C
C
832
832
C83
C83
833
C
C
83
83
4
34
3
C8
C8
C835
35
C8
C
C8
C
C
C
C
C
C836
C8
83
36
6
7
3
3
8
8
C
C
C
C
7
C8
C8
C
C
83
83
37
3
C
C
C838
C
C838
C838
C
C
C
C
C
C839
C8
83
39
9
C
C840
841
C
C
C
C
1
C
8
C
C
84
41
C
C842
C
C
42
8
C
C843
C84
C844
C8
C84
C846
C84
46
C846
C847
C847
7
7
84
84
C847
C849
9
C
49
9
C850
0
C
C851
1
851
C
51
1
C
85
2
C
C
C853
C853
C853
C853
C854
C
C854
C
C854
C854
C854
C854
C
C855
C856
C856
C
D80
1
D
8
0
D
02
05
5
0
5
D
8
0
06
06
D8
D8
6
D
D
80
80
E
E300
L781
L781
L782
L782
L782
L783
L
L783
L
L783
L800
L800
L80
L
801
8
L
L80
8
L802
02
L8
0
802
02
80
L8
L8
L803
L803
L803
P101
01
1
P301
P301
P
P3
301
P
30
01
1
1
1
P
2
2
2
2
P
P
P302
P302
P302
P302
P302
4
4
P304
P3
P3
3
P3
304
304
30
304
5
5
P305
P305
P305
P
P
P30
P306
P3
P306
35
P3
51
P
35
1
P40
P406
P80
P80
P80
801
1
1
P
P
P
P80
P80
8
P261A
P261A
P261A
P261A
P261A
P261A
Q
Q
Q
Q
Q
Q
Q301
Q301
Q301
Q301
Q
Q
30
01
01
2
Q30
Q
Q3
2
Q305
305
06
6
06
0
06
Q3
Q
Q3
3
Q3
07
07
Q307
Q307
8
Q308
308
Q
Q308
8
8
30
0
Q3
Q3
Q
Q
Q3
Q
Q3
Q
Q
Q
Q
Q309
Q309
309
Q31
Q310
Q310
Q310
311
31
11
Q31
Q3
Q31
31
3
31
1
1
1
Q312
1
13
3
Q313
Q
Q3
Q3
Q3
Q
Q
Q314
314
Q314
Q3
Q3
Q
Q316
Q316
Q3 6
Q317
31
7
Q
Q317
Q318
Q318
Q319
Q319
Q319
Q320
3
0
20
Q
Q321
Q32
321
2
3
2
22
2
2
Q
Q3
3
3
3
2
2
2
Q3
Q3
Q3
Q703
703
Q703
Q
80
0
Q800
Q8
Q
Q
00
80
Q801
Q
Q802
80
2
Q
Q803
Q
Q803
Q804
Q
8
Q
4
0
0
0
00
0
0
0
Q7
Q
Q7
Q7
7
06
6
0
0
Q
Q
00
00
00
Q70
Q0
70
07
0
7
07
0
7
07
07
0
7
R102
0
R
1
R103
R103
3
R
R
04
04
1
R
104
R
R107
07
R
07
07
0
R107
07
R
R1
00
00
R300
00
0
0
R
30
1
R
R
302
0
02
2
0
2
R30
R
30
3
R303
R304
R3
4
R305
R
0
5
R
3
05
R306
R
0
R
30
6
R
R307
0
307
8
R308
308
R3
08
9
9
R309
R309
R309
R310
R3
0
0
R310
R311
1
3
1
R3
R312
2
312
R313
R3
3
313
R
R314
R3
4
314
R
R31
R315
R
1
5
R315
R316
R
16
6
R31
R317
R
31
7
17
R3
R318
R3
18
R318
R31
3
R
19
R3
R3
R3
3
20
R
1
21
R321
322
R322
R322
R323
R323
324
2
R324
R
R
2
R325
R325
R326
R32
26
R326
6
R327
R3
27
R
32
7
R328
R
2
R328
R329
R
2
329
R330
R330
R330
R331
R331
R331
R331
R332
2
R
33
32
R3
R333
3
R
33
33
R3
R334
R3
34
4
R33
R335
3
5
3
R336
R
3
6
336
R337
R
37
R337
8
8
38
8
8
8
R338
R
33
8
38
R3
R339
R3
39
9
R33
R
R340
0
R
34
R340
R341
1
R3
34
R341
41
R3
1
R34
R3
R3
3
42
R
R3
4
3
R3
R3
R3
4
4
R344
344
R344
R3
R3
R
345
3
5
R
R
45
R346
346
R
347
347
7
7
47
47
R34
R34
7
7
8
R3
4
8
R349
3
49
R
0
0
0
50
50
5
R35
R
5
R3
R35
5
5
5
R351
35
R351
R352
R352
R352
R352
R353
R3
353
R354
54
R
R
5
5
5
5
R
35
5
5
6
R356
R
59
R359
3
R
5
0
R
36
0
R
R
1
61
R36
1
62
2
R362
R3
R36
63
7
R367
R3
8
8
8
8
R368
R368
R369
R369
R
R
R
R
R370
R370
R
R
R371
R371
R372
R372
R372
373
73
37
3
3
R37
R37
R3
73
3
73
R
R3
R374
R375
5
R37
R375
6
R376
R377
R377
R377
R377
R377
R378
R378
R378
R378
79
79
79
79
9
79
R379
R379
R37
R3
8
80
R38
38
R3
R3
381
81
R38
R38
R
382
R383
R383
R
38
4
R38
5
6
R386
R387
R38
R3
87
R388
R
3
8
89
R3
9
90
R39
396
96
R397
R397
00
R700
701
70
70
R7
R7
R
R7
0
0
7
7
7
737
7
73
R
R
R7
7
R
R
738
7
8
38
73
R
R
R7
7
R
R
739
7
9
3
73
R
R
R
R7
7
R
R
740
7
0
4
74
R
R
R
R
R
R7R7
R
R
R
741
741
41
74
7
R
R
R
R
R
R
R7
R7
R7
R
R
R
742
2
42
7
74
R
R
R
R7
R7
R
R
743
R
R
R
4
7
3
43
744
R
R
R
4
7
4
44
745
R
R
R
4
7
5
45
746
R
R
R
4
7
6
46
747
R
R
R
4
7
7
47
8
R748
R
4
7
8
48
R749
R
49
74
9
7
5
0
R
7
7
R751
751
R7
7
R781
81
R781
0
0
R800
R801
R801
R8
01
R802
802
R802
R802
R
802
R803
R
R8
803
R804
R8
804
4
R805
R
R8
05
5
R806
R
R80
06
806
6
R807
8
R
R
808
8
08
R8
808
8
8
R8
808
8
08
8
R8
R
R
R
R809
R809
R
09
R810
8
R
R
R811
8
R
R
R812
8
R
R
R813
8
R8
14
R815
8
R
R
R816
1
R
8
81
6
17
R817
R
R
R817
R817
818
81
8
R
818
81
8
R81
R8
R819
81
19
9
R
R8
R820
20
R8
82
820
R
R
R
R
R821
R
R82
R8
821
R822
R822
8
R822
R822
R822
R823
R823
R823
824
24
4
R82
825
R825
5
5
R826
R826
827
82
27
7
R8
R828
R
R8
828
8
829
8
2
9
R8
R830
R8
830
R83
R
R831
R
R832
83
R8
R
R833
83
3
33
R834
R835
35
R836
R837
838
3
8
8
R83
R
3
8
R
R
R
R
83
R
3
8
38
3
8
8
R8
R
R
8
R
R
R83
83
R8
839
39
83
83
83
8
R
39
9
39
R8
R8
R
R
R
0
R840
R840
R840
R841
R84
R
41
1
R842
R
R
8
42
4
2
R843
R843
R843
R843
R843
R843
R843
83
R843
R844
R844
R844
5
4
4
84
84
4
5
5
4
4
4
R8
R8
R8
846
8
4
6
R8
R8
8
R
R847
R8
47
7
84
R
R
R
848
8
8
R8
R862
2
R865
R8
R866
866
R869
69
R86
R870
R870
R870
R87
3
3
R874
R
874
R874
R
R
R
R
R
R
R877
R877
8
R877
R879
9
8
9
7
R880
R883
R884
R884
4
R
R
R
R
R
R887
R8
88
87
7
R888
8
R8
R
88
88
R
R
R
R
R891
R8
8
9
1
892
R
R
R
R
2
R
8
R
R
89
92
R70
R701
018
R7019
019
R7020
02
0
021
1
02
21
1
21
R702
R70
2
2
R
R7022
2
022
R
R70
0
7023
23
0
23
3
R7
R
024
2
24
4
24
2
24
4
R702
2
0
24
R
5
5
R7025
2
0
25
R
5
R7026
2
0
26
R
6
0
0
0
027
02
27
027
7
R70
R
R70
70
R7
0
0
28
02
2
8
R70
R
R7
70
0
29
02
2
9
R70
R7
R
7
0
0
0
0
030
030
0
03
R70
R7
R
70
0
031
0
1
3
1
1
31
0
1
3
R70
R
70
R
R7
703
0
7
70
3
2
2
2
2
2
032
03
0
32
2
R70
R
0
R7
70
03
0
03
3
R7
R
7
R
4
4
034
0
4
3
34
R703
R
70
R7
0
3
R
R
R
035
35
35
R7
R703
03
R
5
5
7
R
7036
036
7036
703
70
R7
R
037
037
37
7
7
R
R
7038
70
038
38
7
7
R
R
7039
9
7
7
R
R
R
7040
7
040
0
R
R7041
R
R
R
R7042
R
7
R7
R
R
R
42
42
42
R7043
70
43
04
R7
R
3
R704
R
70
R7
R7044
R70
R7
R
704
5
R
7
0
4
6
R
R
70
0
0
67
6
06
06
R7
7
R
R
R7120
12
0
34
1
34
3
4
R7
7
R
34
34
3
4
R713
71
3
13
R
R7
R
7
7
R
R
7138
7
713
R7141
1
4
14
4
R7
7
7
R
R
7839
839
7839
X781
X781
R849
R
49
R84
849
1
1
4
4
4
4
5
8
8
R851
51
R
R85
851
R850
50
R850
R850
R358
R357R357
R364
6
R
4
36
R
R364
6
R
4
36
R
65
R365
R365
R8
R8
8
R852
R85
852
R8
R
R854
R85
854
R8
R8
R
54
4
54
R
R
R
R
55
5
5
5
R855
85
55
R
8
R853
R853
R853
R41
41
10
R4
R4
R
R4
R409
40
R
09
R4
R
40
4
4
R403
R403
R
R
4
402
2
R405
4
R
1
R401
R40
C09
C109
C109
C109
C109
C09
D
D
D
D
D
109
9
0
0
1
9
C
C
391
391
C3
C3
3
3
C394
394
394
C3
C3
3
3
C392
2
C393
93
93
C39
C39
9
9
C395
C395
C395
C395
C390
C390
90
3
C3
3
R109
R109
R109
1
1
1
C721
C721
21
C72
2
C72
C72
C7
C369
C
69
69
C3
36
C370
370
C37
70
0
A
1
2
3
4
5
BCDEFGH
U01
PREAMPLIFIER PC BOARD
(NADG-8230)
Soldering side