Onkyo TX-SR503 Service Manual page 51

A B
PRINTED CIRCUIT BOARD VIEWS-6
U05
AMPLIFIER PC BOARD
(NAAF-8523)
1
Component side
P5505
E301A
GND_TU
TUPACK_L
TUPACK_R
GND_V4
V4L
V4R
GND_MIC
J5520
MIC
2
VLTNDAT
VLTNCLK
VLTNSTB
FSWSTB
DGND
FSWCLK
FSWDAT
DAC_SBR
DAC_FL
DAC_FR
DAC_SBL
DAC_SW
DAC_CT
DAC_SL
DAC_SR
-7V
+7V
GND_7V
+12V
3
-12V
GND_12V
SBMUT
AMUT C5642
Z2MUT
ADRT-
ADRT+
ADLT-
ADLT+
GND_DSP
GND_DSP
2.5V_DSP
3.3V_DSP
5V_DIS
12V_TRI
GND_V
GND_V
-5V_V
+5V_V
10S
POFF
GND
5VDSP
4
P6005
BIAS
R6045
R6035
R6005
R6015
R6085
J5811
Q6025
J5507
J5531
J5505
15
J5506
17
R6105
J5508
5 22
J5511
15
J5510
25
J5509
J5801
Q6055
Q6015
E
C
P7901
P7902
P7903
P7902 P7903
P7901
C5503 C5504
25138523B
2 NCAF-8523
30
C5565 C5564
C5576 C5563
C5562
C5560
J5523
30
C5558 C5559
J5524 C5577
C5556
30 C5557
J5521 C5566
25 J5583
20
R5671
J5522 J5582
25 C5671 25
J5528 R5672
25 C5552
C5578
J5526 J5546
20 20
R5666 C5551
J5548
22
R5667
C5669 J5547
C5668
22
C5553
J5570
J5549 30
17
C5667 C5550
C5666
C5662
C5643
D5672
D5671
R5668
J5529
15
J5621
12 Q5661B
20
D5650
J5624
Q5654 Q5660 Q5661
Q5640
R5640
R5650
Q5653
R5651
SR
SBL
J5584
P6004
P6846
BIAS
R6044 R6043
R6034 R6033
R6004 R6003
R6014 R6013
R6084 R6083
P6085 P6084
R6145 J5812 R6144
Q6024
J5576
25 20
J5533
7 30
J5586
J5553
30 J5607
J5532
27 J5577
27
R6104
J5535 D6015 J5554 J5579 D6014 J5589
12 25 12
J5536 J5558 J5580 J5609
22 15 22
J5538 J5556 J5588 J5591
27
J5537 J5555 J5587 J5590
27
J5802
J5534 J5557 J5578 J5592
20 20
R6095
R6094
Q6065 Q6054 Q6064 Q6053
Q6014
B E B
D E
P7905
P7904
P7905
P7904
C5568
J5654
C5564
C5565 C5607
J5616
C5563
7
C5562
C5560
C5559
C5558
J5657
C5556
C5557
C5606
P5503
C5566
C5674
J5661
C5605
C5567
J5642 J5660
J5618
20
20
C5604
P6849
C5603
J5659
J5641
7
J5658
C5602
RL5700
C5601
RL5700
J5643
C5600
D5700
R5661
JL5501B
P311B
J5622
25
R6701
C
SL
P6003
P6002
J5606 J5626 J5645
30 30
R6176
BIAS
BIAS
R6042
R6032
R6002 R6001
R6012 R6011
R6082 R6081
P6083 P6082
J5813 R6143 J5814 R6142
Q6023 Q6022
J5681
J5628 J5648 J5680
30 20
J5647
30 30
J5629 J5646 J5682
30 7 30
J5608 J5665
27 27
R6103 R6102
J5630 D6013 J5634 J5667 D6012 J5685
25 12 25 12
J5631 J5652 J5668
15 22 15 22
J5633 J5650 J5670
27 27
J5632 J5649 J5669
27 27
J5803 J5804
J5610 J5651 J5666
20 20
R6093 R6092
Q6063 Q6052 Q6062
Q6013 Q6012
E B E B
F G
P7907 P7908 D5711
P7906
C5712
D5710
J5728
P7906 P7907 P7908
J5694 J5727
12 12
J5726
12
F6901
F6902
C6906
J5708
25
C6907
J5707
25
J5730
20
C6905 J5729
D6905 D6904 20
30
J5710
J6105
30
J5709
15
J5711
25
J5713
C6901
C6902
C6901 C6902
J011
20
J010 C6230
J5675
R6230
J5674 C6231 R6231
R6232 C6232
C6233 R6233
R6234 C6234
P6011C
B
C6235 R6235
J5679
7
R6236 C6236
J5678
L
R
J5677
P6001 P6000
12
R6186
D6006
BIAS
BIAS
R6041 R6040
R6031 R6030
R6000
R6010
R6080
P6081 P6080
J5815 R6141 J5816 R6140
Q6021 Q6020
J5698 J5718 J5733
30 7 30
J5697 J5717 J5732
30 7 30
J5684 J5716 J5721
30 7 30
J5683 J5715 J5720
7 30 7 30
J5696 J5714 J5719
12 7 30
R6101 R6100
J5700 D6011 J5725 J5735
D6010
25 12 17
J5689 J5701 J5734
15 22
J5687 J5703 J5723
27 27
J5722
J5686 J5702
27 27
J5805 J5806
J5688 J5699
+B1
20 -B1
R6090
R6091
J5724 J010A
Q6051 Q6061 Q6060
Q6011 Q6010
Q6050
E B E B
TX-SR503/503E/8350
H
P6906
D6901
C6903
D6902
R6902
J6006
R6605
J5738
RL6902
RL6902
RL6901
RL6901
P997
P996
C9005
D9005
D9005A
JL891B
J5737
7
7
12
15
J011A