Schematic Diagram; Audio Section - Onkyo TX-SR604 Service Manual

A
SCHEMATIC DIAGRAM-1(SD-1)

AUDIO SECTION

NAAF-8911 (1/2)
1
2
3
VIDEO1_OUT
4
5
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
B
U15 AMPLIFIER PC BOARD
TO NADG-8816
(SD-6:A3)
P304
P5505
R5500
RI
330
P7900
C5701
R5503 102J
330
R
C5503
R5543
221K
CD 220K
C5504
R5504
221K
L
R5544
330
220K
R5505
R
R5545
330
220K
TAPE OUT
R5546
R5506
220K
L
330
R5547
R5507 220K
R
330 C5507
221J
TAPE
C5508
R5508
221J
L
R5548
330
220K
C5702
102J
R5549
R5509
220K
R
C5509
330
VIDEO3
221J
C5510
R5510
221J
L
R5550
330
220K
R5511
R
R5551
330
VIDEO2_OUT 220K
R5552
R5512
220K
L
330
C5703
102J
R5553
R5513
220K
R
330 C5513
VIDEO2
221J
C5514
R5514
221J
L
330 R5554
220K
R5515
R
330 R5555
220K
R5556
R5516
220K
L
330
R5557
R5517 220K
R
C5517
330
VIDEO1 221J
C5518
R5518
221J
L
R5558
330
220K
C5704
102J
R5559
R5519 220K
FR
C5519
330
221K
C5520
R5520
221K
FL
330 R5560
220K
R5561
R5521
220K
SR
C5521
330
221J
C5522
R5522
221J
SL
330 R5562
220K
C5705
102J
R5563
R5523 220K
SW
C5523
330
221J
C5524
R5524
221K
C
330 R5564
220K
R5565
R5525
220K
SBR
C5525
330
221J
C5526
R5526
221J
SBL
R5566
330
220K
C5706
102J
C
TO NADG-8816
(SD-6:A3)
TO XM
P303
TO NADG-8817
(SD-7:H1)
JL5502A
R5575
220K
R5576
220K
R5577
47K
R5578
47K
R5579
220K
64
INL9
63
INR9
62
INLA/RECL1
61
INRA/RECR1
60
INL8
59
INR8
58
INL7
57
INR7
56
INL6
55
INR6
54
INL5
Q5501
53
INR5
52
INL4 R2S15211FP
51
INR4
50
(Botom view)
INL3
49
INR3
48
INL2
47
INR2
46
INL1
45
INR1
44
AVEE
43
CLOCK
42
DATA
DGND
41
R5589
1K
TX-SR604/604E/8460
D
TO NADG-8816
(SD-6:A2)
P302
C5551
1
1-C
47/25
2
1-OUT
3
AGND
4 C5552
2-OUT
47/25
5
2-C
C5553
6
3-C
47/25
7
3-OUT
8
AGND
C5554
9
4-OUT
47/25
10
4-C
C5555
11
5-C
12 47/25
5-OUT
13
AGND
47/25
14
6-OUT
15 C5556
6-C
C5557
16
FLC
47/25
17
FLOUT
18
AGND
19
FROUT
C5558 47/25
20
FRC
474J
21 C5559
BASS_L1
C5560 823J
R5585
22
BASS_L2
1.8K
23 C5561
TRE_L
24 223J 2SC1815
AVCC
Q5684
R5674
7.5V
68
R5684
680
R5685
680
-7.5V
R5675
Q5685
68
2SA1015
Q5503
NE5532
3
DMIXR
1 R5591
10K DAC_FR
2
R5590 10K R5592 R5593
C5590
470 1.2K
330J
R5594 10K
R5595 10K
C5591
R5596 R5597
330J
470 1.2K
R5598 10K
5
DMIXL 7
R5599
DAC_FL
6
Downmix
10K
Q5503 NE5532
SW_OUT1
C
4
S
S
C
S
S
+12V
-12V
R5667
22
R5666
+12V
22