Onkyo TX-SR504 Service Manual page 13

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A
SCHEMATIC DIAGRAMS-1
AUDIO INPUT SECTION
1
P5505
P7900
RI
R
CD IN
L
2
R
TAPE OUT
L
R
TAPE IN
L
NC
3
R
VIDEO 2 IN
L
R
VIDEO 1 OUT
L
R
VIDEO 1 IN
4
L
R
FRONT
L
R
SURROUND
L
SUBWOOFER
5
CENTER
R
SURR BACK
L
B
To NADG-8798
(SD-3 : A-4)
P304
R5500
330
R5541
R5501
NC
C5501
NC
NC
C5502
R5502
NC
R5542
NC
220K
R5543
R5503
220K
330
C5503
221K
C5504
R5504
221K
330
R5544
220K
R5545
R5505
220K
330
C5505
NC
C5506
R5506
NC
330
R5546
220K
R5547
R5507
220K
330
C5507
221J
C5508
221J
R5508
R5548
330
220K
10
R5509
R5549
C5509
C5510
R5510
R5550
R5551
R5511
C5511
C5512
R5512
R5552
R5553
7
R5513
220K
330
C5513
221J
C5514
R5514
221J
R5554
330
220K
R5555
R5515
220K
330
C5515
NC
C5516
R5516
NC
R5556
330
220K
R5557
R5517
220K
C5517
330
221J
C5518
R5518
221J
R5558
330
220K
10
P5506
R5559
R5519
220K
C5519
330
221K
C5520
R5520
221K
330
R5560
220K
R5561
R5521
220K
C5521
330
221J
C5522
221J
R5522
330
R5562
220K
7
R5563
R5523
220K
C5523
330
221J
C5524
R5524
221K
330
R5564
220K
R5565
R5525
220K
330
C5525
221J
C5526
R5526
221J
330
R5566
220K
C
To NADG-8799
To NADG-8798
(SD-6 : E-2)
(SD-3 : A-4)
JL5502A
R5575
220K
R5576
220K
R5577
47K
R5578
47K
R5579
220K
64
63
62
61
60
INL8
59
INR8
58
INL7
57
INR7
56
INL6
55
INR6
54
INL5
53
INR5
52
INL4
51
INR4
50
INL3
49
INR3
48
INL2
47
INR2
46
INL1
45
INR1
44
AVEE
43
CLOCK
42
41
R5589
1K
TX-SR504/504E/8450
To NADG-8798
(SD-3 : A-4)
P303
1
C5551
47/25
2
3
4
2-OUT
47/25
5
C5552
2-C
64 : INL9
1-C : 1
47/25
6
C5553
63 : INR9
1-OUT : 2
3-C
7
62 : INLA/RECL1
AGND :3
3-OUT
8
61 : INRA/RECR1
AGND
9
4-OUT
47/25
10
C5554
4-C
11
C5555
47/25
5-C
12
Q5501
5-OUT
13
R2S15211FP
AGND
14
6-OUT
SELECTOR/VOLUME
C5556
47/25
15
6-C
47/25
16
C5557
(Botom view)
FLC
17
FLOUT
18
AGND
19
BASS_L1: 20
FROUT
20
47/25
C5558
BASS_L2 : 21
FRC
21
C5559
474J
TRE_L : 22
42 : DATA
C5560 823J
22
41 : DGND
AVCC :19
C5561 223J
23
24
+6.8V
+/-7V Supply
-6.8V
NJM4580
Q5503A
3
DMIXR
1
R5591
2
DAC_FR
10K
R5590 10K
R5592
R5593
C5590 330J
1.2K
470
R5594 10K
R5595 10K
C5591 330J
R5596
R5597
R5598 10K
470
1.2K
5
DMIXL
7
R5599
6
DAC_FL
Q5503B
NJM4580
10K
Downmix
D
P302
SBR_OUT
SBL_OUT
C_OUT
SW_OUT1
SR_OUT
SL_OUT
R_OUT
L_OUT
R5585
1.8K
R5674
82
R5675
82

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