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Manuals
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Onkyo Manuals
Receiver
TX-SR503
Service manual
Block Diagram - Onkyo TX-SR503 Service Manual
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:
Instruction manual
(76 pages)
,
Code manual
(12 pages)
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Contents
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A
BLOCK DIAGRAM
1
VIDEO3 IN
CD
TAPE OUT
TAPE IN
2
VIDEO2 IN
VIDEO1 OUT
VIDEO1 IN
3
L
FRONT
R
L
SURROUND
R
CENTER
SUBWOOFER
4
DIGITAL IN
COAXIAL
OPTICAL 1
OPTICAL 2
5
OPTICAL 3
B
TUNER UNIT
51
NJW1157
52
53
41
54
43
55
56
57
58
59
27
29
60
28
30
61
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63
21
64
23
25
65
22
24
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26
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73
74
16
15
14
13
RX0
49
48
43
RX2
47
RX3
46
RX4
45
44
42
50
CS42518
C
42
+
46
44
45
+
48
47
-6dB
4
25
Z2_L
3
26
2
Z2_R
27
NJU7311
RECOUT_L
12
7
RECOUT_R
17
22
11
18
SOURCE_L
10
5
SOURCE_R
19
24
6
9
23
20
8
21
2ch ADC
DIR
TX-SR503/503E/8350
D
80
88
81
89
82
90
87
95
83
MIX_L
91
MIX_R
84
92
VOLIN_SBL
85
93
VOLIN_SBR
86
94
8ch DAC
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This manual is also suitable for:
Tx-sr8350
Tx-sr503e
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