DOWNLOAD Sony STR-DN1020 Service Manual ↓ Size: 7.63 MB | Pages: 114 in PDF or view online for FREE

Model
STR-DN1020
Pages
114
Size
7.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dn1020.pdf
Date
PREV: Sony SS-CNP3500 / SS-CRP3500 / SS-MSP3500 / SS-SRP3500 / SS-WP3500 Service Manual

Sony STR-DN1020 Service Manual ▷ View online

STR-DN1020
STR-DN1020
29
29
5-14.  PRINTED WIRING BOARD – MAIN Board –    
• See page 22 for Circuit Boards Location.    • 
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
E
B
E
B
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
E
B
JR
JR
JR
JR
JR
JR
JR
JR
JR
B E
B E
B E
B E
B
E
JR
B E
B E
B E
B E
JR
JR
JR
JR
JR
JR
B E
B E
B E
B
E
B E
B E
B E
B
E
B E
B
E
B E
B E
B E
B E
B E
B E
B E
B
E
JR
JR
JR
JR
JR
JR
JR
JR
15
14
2
1
IC801
15
14
2
1
15
14
2
1
15
14
2
1
IC701
IC601
IC352
IC350
IC400
20
21
41
60
40
61
80 1
Q654
HS921
Q851
Q852
Q853
JW764
Q854
HS350
I
O
I
O
JW767
JW768
JW769
15
CNP920
R609
JW772
JW774
R610
R612
JW777
R613
JW778
R809
R810
R812
R813
LP401
JW787
JW788
R628
R629
L678
JW793
R631
R632
JW796
JW797
R828
R829
L878
C408
R831
R832
C603
C605
C607
C608
C609
C803
C610
C805
C612
C807
C808
C809
C810
R659
C812
R660
R662
R663
R859
C629
R860
R862
R863
C829
R678
R679
R681
R682
F910
R878
F91
1
R879
F912
F913
C458
R881
R882
C653
JW600
JW601
C655
JW602
JW603
C657
C658
C659
JW606
Q503
Q504
JW608
JW609
C853
JW800
C660
JW801
C855
JW802
C662
C857
JW804
C858
JW805
JW61
1
C859
Q701
Q702
JW807
JW613
JW808
JW614
Q704
JW616
JW617
C860
C862
JW813
JW814
C679
RR11
RR12
RR13
RR14
RR15
RR17
RR18
C879
JW632
JW633
JW635
JW636
JW637
JW641
JW642
L728
JW653
Q551
JW655
Q552
Q553
JW658
R302
JW660
JW661
Q751
Q752
JW663
Q753
JW664
Q754
L550
JW669
JW671
JW672
JW676
R513
JW677
R709
JW680
R710
JW681
R712
JW683
R713
JW684
JWH808
JW690
JW691
JW692
R531
R532
JW698
R728
R729
L778
R731
R732
R542
JS542
R543
JS543
R545
JS545
R546
JS546
C703
C705
C707
R550
C320
C708
R551
C709
R553
C325
R558
C710
C712
R759
C912
C913
R567
C914
C915
R760
R762
R763
C729
RY301
C545
C546
CNP41
1
CNP410
C547
R778
R779
C550
R781
R782
C552
C555
C557
C558
C559
C753
C560
C561
C755
JW703
C757
C758
JW705
C759
Q601
Q602
Q603
JW708
Q604
C760
C762
JW711
Q801
JW712
Q802
RY920
JW720
JW722
JW724
RY350
JW725
C779
JW726
JW729
RY355
JW732
JW733
JW734
RY360
JW736
RY365
D921
L628
JW744
JW746
JW747
RY375
L828
JW751
JW753
JW755
Q651
Q652
JW757
Q653
ET300
1
5
CN391
JW748
JW629
JW627
JW640
JW687
JW710
JW674
JW607
1
5
CNP930
JWH603
C930
C931
IC501
GP801
W004
C301
R
Y302
R303
W003
J403
J402
J401
J404
C409
C411
C412
C323
C459
C932
C933
JW730
JW832
JW719
JW704
JW700
JW699
JW779
JW638
JW763
JW709
JWH604
JW810
JW645
JWH605
JW791
JW781
JW621
JW737
JW679
JW644
JW761
JW782
JW643
JW717
JW783
JW678
JW745
JW659
JW738
JW651
JW626
JW618
JW784
JW754
JW639
JW620
JW759
JW706
JW713
JW694
JW695
JW696
JW758
JW630
JW605
JW773
JW821
JW686
JW654
JW765
JW850
JW853
JW852
JW851
JW623
JW688
JW670
JW741
JW742
JW743
JW731
JW750
JW721
JW811
JW795
JW785
JW792
JW612
JW716
R351
R920
JW756
R356
R365
R361
JW723
R377
JW628
JW625
JW749
JW798
JW789
JW707
JW689
TB502
TB503
TB504
JW622
JW766
JW739
JW728
JW667
JW803
JW806
JW812
JW760
JW824
JW826
JW799
JW775
JW693
JW646
JW656
JW619
JW631
JW668
JW735
JW657
JW647
JW665
JW685
JWH600
JWH601
JWH602
JW854
JW604
JW770
JW701
JW815
JW820
JW718
JW809
JW715
JW780
JW818
JW634
JW858
JW650
JW648
JW794
JW727
JW776
JW790
JW702
JW662
JW610
JW857
JW666
JW624
JW682
JW649
JW714
JW740
JW752
Q703
Q554
C351
C353
JW697
1
19
1
19
1
9
3
CN891
W002
W001
D326
D327
D365
D375
D761
D770
D61
1
D81
1
D620
D820
D661
D861
D670
D870
D301
D302
D711
D720
D920
D350
D355
D550
D551
D360
D910
D91
1
D912
D913
Q661
Q662
Q861
Q862
Q301
Q320
Q321
Q323
Q324
Q325
Q711
Q712
Q920
Q350
Q355
Q550
Q360
Q555
Q365
Q375
Q761
Q762
Q611
Q612
Q811
Q812
Q302
D376
D377
D922
D352
R401
R402
R403
R405
R408
R601
R602
R603
R604
R606
R607
R608
R801
R802
R803
R804
R611
R806
R807
R614
R808
R615
R616
R81
1
R620
R814
R815
R622
R816
R820
R822
R630
JR781
R830
R449
C602
R450
R451
R452
R453
R455
C802
R458
C611
R651 R652
R653
R654
R656
R657
R658
C81
1
C620
R851
R852
R853
R854
R661
R856
R857
R664
R858
R665
R666
C820
R861
R670
R864
R865
R672
R866
C449
R870
CL339
R872
C450
R680
R880
C652
C852
C661
JR600
JR601
CL362
CL363
CL364
C861
CL367
CL368
C670
CL369
CL370
CL371
CL372
CL373
C488
C870
C489
C499
JR631
JR831
R301
R304
R701
R702
R703
R704
R706
R707
R320
R708
R325
R326
R327
R328
R711
R714
R715
R716
R720
R722
JR681
R921
R730
R925
JR881
R544
R350
R547
R353
R548
R549
R355
C702
R358
R552
R554
R360
R555
R556
R557
R363
R559
C711
R366
R367
R751 R752
R753
R560
R754
R562
R756
R563
R757
C910
R564
R758
C91
1
R565
R566
R568
C720
R569
R375
R378
R761
R764
R765
R766
R770
R772
C350
C352
C548
R780
C551
C553
C554
CC01
CC02
CC03
CC05
CC08
C752
CC1
1
CC12
CC13
CC14
CC15
CC17
CC18
C761
JR700
C770
D536
JR531
JR731
CC51
CC52
CC53
CC55
CC58
CC60
CL313
CL306
CL324
CL307
CL320
CL327
CL305
CL310
CL318
CL315
CL303
CL322
CL316
CL325
CL302
CL321
CL309
CL301
CL319
CL333
CL311
CL328
CL304
CL314
CL323
CL308
CL312
CL329
CL317
CL326
CL300
CL336
CL335
CL365
CL359
CL358
CL361
CL360
CC61
CL366
CC09
CC59
R409
R459
CL337
CL338
C401
CL341
CL340
CC04
CC54
R404
R454
CL342
CL343
CC07
CC57
R407
R457
CL375
CL374
CL348
CL346
CL345
CL347
CL344
C403
CC06
CC56
R41
1
R412
CL376
CL377
R309
C404
R308
R307
R305
R306
CL380
CL378
CL382
CL379
CL383
CL384
CL381
CL330
JR701
JR602
CC63
R323
CC62
JR704
JR703 JR706
JR702
CL357
CL355
CL356
JR612
JR613
JR617
JR618
JR619
JR603
JR605
JR606
R392
R393
R394
R395
CL385
CL386
C322
D923
R
L
R
L
R
L
R
L
R
L
R
L
(CHASSIS)
(CHASSIS)
R
L
R
L
R
L
R
L
(CHASSIS)
(CHASSIS)
SAT/CATV
AUDIO
IN
BD/DVD
AUDIO
IN
ZONE 2
AUDIO
OUT
SA-CD/CD
AUDIO
IN
(AEP, UK,
AUS)
MD/TAPE
AUDIO
OUT
MD/TAPE
AUDIO
IN
VIDEO 1
AUDIO
IN
VIDEO 1
AUDIO
OUT
SUBWOOFER
AUDIO
OUT
TV
AUDIO
IN
SURROUND
FRONT A
SURROUND
FRONT A
SURROUND
FRONT A
SURROUND
FRONT A
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
–
R
+
–
L
+
–
+
–
L
L
R
R
+
SURROUND BACK/
FRONT HIGH/
BI-AMP/ FRONT B 
SURROUND BACK/
FRONT HIGH/
BI-AMP/ FRONT B 
SURROUND BACK/
FRONT HIGH/
BI-AMP/ FRONT B 
SURROUND BACK/
FRONT HIGH/
BI-AMP/ FRONT B 
CENTER
CENTER
(CHASSIS)
SPEAKERS
(US, CND)
（US, CND）
(US, CND)
K
CONNECTION
BOARD
CN176
(Page 49)
J
D-VIDEO NW
BOARD
CN7003
(Page 34)
L
CONNECTION
BOARD
CN179
(Page 49)
O
POWER
TRANSFORMER
(MAIN)
T901
(Page 50)
N
POWER
TRANSFORMER
(MAIN)
T901
(Page 50)
M
HEADPHONE
BOARD
CNP790
(Page 58)
1-883-418-
14
(14)
MAIN BOARD
(US, CND)
(US,
CND)
(US, CND)
(US, CND)
(US, CND)
(US,
CND)
Ver. 1.1
STR-DN1020
STR-DN1020
30
30
5-15.  SCHEMATIC DIAGRAM – MAIN Board (1/4) –    
• See page 66 and 67 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (1/4)
18
20
21
22
19
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
11
17
-1
0
0
-60
0
-1
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
-1
0.4
-0.5
-1
0.4
-0.5
-1
0.4
-0.5
-1
0.4
-0.5
0.4
-1
1
0.4
-1
1
0.4
-1
1
0.4
-1
1
-61
61
61
0
0
-60
-1
1
-61
61
61
1
0
0
0
0
0
-60
-1
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
SBL_OUT
SBR_OUT
FR_OUT
R813
0.22
Q503
MN2488-OPY-MK
SBL +VE
47k
R830
R863
0.22
Q753
MN2488-OPY-MK
FR +VE
4.7k
R811
47k
R780
82k
R857
Q801
2SA1175-HFE
2SA1175-HFE
1.5k
R764
4.7k
R861
C870
0.01
Q504
MP1620-OPY-MK
SBL -VE
4.7k
R761
68k
R766
1.5k
R814
R779
10
15k
R815
Q754
MP1620-OPY-MK
FR -VE
1.5k
R864
C761
220p
C820
0.01
2.2k
R856
C879
0.022
2.2k
R756
68k
R804
Q854
MP1620-OPY-MK
C -VE
C861
220p
68k
R816
Q851
2SA1175-HFE
R879
10
2.2k
R806
R829
10
C779
0.022
82k
R757
R862
6.2k
15k
R865
68k
R866
47k
R880
R812
6.2k
15k
R765
R763
0.22
C770
0.01
82k
R807
Q853
MN2488-OPY-MK
C +VE
C829
0.022
C811
220p
1k
R851
1k
R801
C852
100p
68k
R852
68k
R802
R760
100
R859
100
R809
100
R810
100
R860
100
R759
100
R762
6.2k
D536
MAZ8056GMLS0
22k
R548
22k
R549
100k
R772
100k
R822
100k
R872
68k
R854
2.2k
R853
47k
R820
47k
R870
0
R544
Q752
Q852
2SD2144S-V
Q802
2SD2144S-V
2SD2144S-V
1k
R560
C553
100p
68k
R554
68k
R565
2.2k
R563
82k
R555
2.2k
R556
Q551
BIAS
BIAS
BIAS
BIAS
BIAS
Q751
2SA1175-HFE
BIAS
BIAS
2SD2144S-V
BIAS
R553
100
R567
100
Q552
Q554
MP1620-OPY-MK
SBR -VE
Q553
MN2488-OPY-MK
SBR +VE
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
R513
0.22
4.7k
R552
C554
0.01
L550
1.7uH
1.5k
R562
C550
0.022
C551
220p
R551
10
R558
6.2k
15k
R564
68k
R569
47k
R568
R550
4.7
L828
1.7uH
R828
4.7
L878
1.7uH
R878
4.7
L778
1.7uH
R778
4.7
100k
R559
47k
R557
C853
C803
C560
JR531
0
JR881
0
JR781
0
JR831
0
C855
3p
C805
3p
C559
3p
C857
47 25V
C757
47 25V
C807
47 25V
C558
47 25V
C812
220
10V
C557
220
10V
C860
10
50V
C555
10
50V
560
R758
560
R858
560
R808
560
R566
C802
100p
C862
[SBL]
[SBR]
220
10V
3.3k
R531
3.3k
R832
3.3k
R532
3.3k
R881
3.3k
R882
3.3k
R831
3.3k
R782
3.3k
R781
C810
10
50V
2.2k
R803
6.8k
R547
47k
R770
C552
47p
C808
47p
C858
47p
C561
47p
C809
47p
C758
47p
C859
47p
C759
47p
Q862
2SA1514KT146S
Q811
2SA1514KT146S
Q762
2SA1514KT146S
Q555
2SA1514KT146S
Q861
2SA1514KT146S
Q812
2SA1514KT146S
Q761
2SA1514KT146S
Q550
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
2SA1514KT146S
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
IC501
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
D550
DA2J10100L
D551
DA2J10100L
D820
DA2J10100L
D81
1
DA2J10100L
D870
DA2J10100L
D861
DA2J10100L
D770
DA2J10100L
D761
DA2J10100L
C545
47 25V
C548
0.1
[FR]
[SBL]
[SBR]
[C]
[C]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SBR_OUT
C_OUT
SBL_OUT
PRE DRIVER
STK350-630TS-E
IC501
IC801
PRE DRIVER
IC801
IC B/D
1
MAIN BOARD
(2/4)
(Page 31)
3
MAIN BOARD
(2/4)
(Page 31)
4
MAIN BOARD (3/4)
(Page 32)
5
MAIN BOARD (3/4)
(Page 32)
2
MAIN BOARD
(2/4)
(Page 31)
*1
  C560, C803, C853
 10p 
(US, CND)
 22p 
(AEP, UK, AUS)
*1
*1
*1
(US, CND)
(US, CND)
(US, CND)
(US, CND)
(AEP, UK, AUS)
(AEP, UK, AUS)
(US, CND)
HIC CXD9986L
IC B/D
(AEP, UK, AUS)
STK350-630TS-E
IC B/D
(US, CND)
HIC CXD9986L
IC B/D
(AEP, UK, AUS)
Ver. 1.1
STR-DN1020
STR-DN1020
31
31
5-16.  SCHEMATIC DIAGRAM – MAIN Board (2/4) –    
• See page 66 and 67 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (2/4)
25
26
24
23
28
27
29 30 31
33
34
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
11
32
61
1
0
-61
-1
0
61
1
0
-61
-1
0
61
1
0
-61
-1
0
-1
0.4
-0.5
0.4
-1
1
-1
0.4
-0.5
0.4
-1
1
-1
0.4
-0.5
0.4
-1
1
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
-60
0
-1
-1
0
0
0
0
3.3
3.3
0
0
-61
3.3
-61
0
-60
0
0
0
-60
0
15
-61
61
61
1
0
0
0
0
0
-60
-1
1
-61
61
61
1
0
0
0
0
0
-60
-1
1
E
3
4
5
SL_OUT
SR_OUT
HP
FR_OUT
FL_OUT
HP detect
FL_OUT
Q653
MN2488-OPY-MK
SR +VE
R662
6.2k
47k
R680
2.2k
R656
1.5k
R664
C679
0.022
82k
R657
4.7k
R661
68k
R666
Q604
MP1620-OPY-MK
SL -VE
Q603
MN2488-OPY-MK
SL +VE
R679
10
Q654
MP1620-OPY-MK
SR -VE
15k
R665
R663
0.22
C670
0.01
C661
220p
Q701
1.5k
R714
C711
220p
Q703
MN2488-OPY-MK
FL +VE
R729
10
2.2k
R706
C720
0.01
82k
R707
4.7k
R711
C729
0.022
Q704
MP1620-OPY-MK
FL -VE
15k
R715
R713
0.22
R712
6.2k
68k
R716
39k
R326
Q324
2SC3052EF-T1-LEF
C325
10
50V
10k
R327
6.8k
R325
Q321
PROTECTOR
PROTECTOR
PROTECTOR
PROTECTOR
PROTECTOR
2SC3052EF-T1-LEF
1k
R328
1k
R601
C602
100p
1k
R651
C652
100p
68k
R652
1k
R751
1k
R701
C752
100p
C702
100p
68k
R752
68k
R702
2.2k
R375
Q375
RELAY DRIVER
2SC3052EF-T1-LEF
47k
R730
R709
100
R710
100
R660
100
R659
100
47k
R378
Q325
2SC2713-G
100k
R672
100k
R722
CL364
CL362
CL363
D327
MC2838-T112-1
D326
MC2838-T112-1
R610
100
82k
R607
R609
100
2.2k
R606
R613
0.22
C611
220p
R612
6.2k
4.7k
R611
1.5k
R614
100k
R622
C620
0.01
15k
R615
68k
R616
47k
R630
C629
0.022
R629
10
47k
R670
47k
R620
R545
0.47
R543
4.7
R546
0.47
R542
4.7
Q702
Q651
2SA1175-HFE
BIAS
2SA1175-HFE
BIAS
Q601
2SA1175-HFE
BIAS
Q652
2SD2144S-V
BIAS
2SD2144S-V
BIAS
Q602
2SD2144S-V
BIAS
1
2
3
B
C
E
L678
1.7uH
R678
4.7
L628
1.7uH
R628
4.7
L728
1.7uH
R728
4.7
68k
R602
0
JR631
0
JR681
0
JR731
C703
C753
C653
C603
C607
47 25V
C707
47 25V
C657
47 25V
C610
10
50V
C710
10
50V
C660
10
50V
C760
10
50V
560
R608
560
R708
560
R658
68k
R704
2.2k
R703
C705
3p
C712
220
10V
C932
100
100V
C933
100
100V
68k
R604
3.3k
R632
3.3k
R631
3.3k
R731
3.3k
R732
3.3k
R682
3.3k
R681
2.2k
R603
C605
3p
C612
220
10V
68k
R754
C755
3p
C762
220
10V
2.2k
R753
47k
R720
C658
47p
C708
47p
C608
47p
C659
47p
C609
47p
C322
0.01
C709
47p
Q712
2SA1514KT146S
Q662
2SA1514KT146S
Q611
2SA1514KT146S
Q320
2SA1514KT146S
Q612
2SA1514KT146S
Q661
2SA1514KT146S
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT DETECT
CURRENT
DETECT
Q711
2SA1514KT146S
Q323
2SA1514KT146S
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
ET300
CN391
5P
1
HP DETECT
R-CH
GND
L-CH
D376
DA2J10100L
D377
DA2J10100L
D670
DA2J10100L
D661
DA2J10100L
D720
DA2J10100L
D71
1
DA2J10100L
D620
DA2J10100L
D61
1
DA2J10100L
D375
DA2J10100L
22k
R320
R323
22k
C320
220
10V
C323
220
10V
R377
82
R392
330
330
R393
R394
330
330
R395
RY375
12V
1
2
3
4
5
6
[SR]
[SL]
[FL]
[SL]
[SR]
[FL]
[FR]
68k
R654
C655
3p
C662
220
10V
2.2k
R653
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
1
2
3
B
C
E
SL_OUT
Protector
SR_OUT
J
HEADPHONE
BOARD
CN790
(Page 58)
6
MAIN BOARD (3/4)
(Page 32)
7
MAIN BOARD (4/4)
(Page 33)
3
MAIN
BOARD
(1/4)
(Page 30)
2
MAIN
BOARD
(1/4)
(Page 30)
1
MAIN
BOARD
(1/4)
(Page 30)
JS542
JS546
JS543
JS545
(CHASSIS)
*2
*2
*2
*2
(US, CND)
(US, CND)
(US, CND)
(US, CND)
(US,
CND)
(US, CND)
(AEP, UK, AUS)
(AEP, UK, AUS)
(AEP, UK, AUS)
(AEP, UK, AUS)
(AEP, UK, AUS)
(AEP, UK, AUS)
(US, CND)
STK350-630TS-E
IC B/D
(US, CND)
HIC CXD9986L
IC B/D
(AEP, UK, AUS)
STK350-630TS-E
IC B/D
(US, CND)
HIC CXD9986L
IC B/D
(AEP, UK, AUS)
IC701
PRE DRIVER
IC701
IC601
PRE DRIVER
IC601
*2
  C753, C703, C653, C603
 10p 
(US, CND)
 22p 
(AEP, UK, AUS)
(AEP, UK, AUS)
Ver. 1.1
STR-DN1020
STR-DN1020
32
32
5-17.  SCHEMATIC DIAGRAM – MAIN Board (3/4) –    
• See page 66 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
MAIN BOARD (3/4)
18
17
25 26
20 21
22
24
23
19
36
35
37
38
39
-15
-7
15
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
0
0
-7
0
0
0
0
0
0
0
0
0
0.7
0
0.7
0
0
0
0
I
O
G
I
O
COM
G
G
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
DATA
CLK
SW
C404
2200p
W002
W003
CC01
100p
CC51
100p
CC02
100p
CC52
100p
CC09
100p
CC59
100p
CC08
100p
CC58
100p
CC05
100p
CC55
100p
CC06
100p
CC56
100p
1k
R401
1k
R451
1k
R409
1k
R459
1k
R402
1k
R452
1k
R455
1k
R405
A_GND
C403
2200p
C401
2200p
C449
100p
C450
100p
J404
2P
D352
1SR154-400TE-25
D922
DA2J10100L
D923
P6SMBJ33A-5
C350
0.47
C352
0.47
RY301
2.2k
R301
100k
R307
47k
R304
47k
R308
C301
10
50V
1k
R309
1k
R412
1k
R411
1k
R408
C412
4.7
50V
C411
4.7
50V
C459
4.7
50V
C409
4.7
50V
1k
R458
C547
10 50V
C546
10 50V
CL315
CL317
CL318
CL319
CL320
CL321
CL322
CL323
CL324
CL333
CL385
CL386
CL327
CL328
CL329
CL316
CL335
CL336
CL337
CL338
CL346
CL347
CL344
CL345
CL376
CL377
CL348
C489
2200p
C499
2200p
C488
0.1
CL326
CL325
C351
470
16V
C353
470
16V
220
R450
220
R449
D301
DA2J10100L
GND
HPFN
LPF01
LPF02
LPFN2
LPFN1
SWVOL
VCC
DGND
DA
TA
CLK
VEE
FROUT
FLOUT
SWOUT
COUT
SROUT
SLOUT
SBROUT
SBLOUT
GND
GND
SUB2L
SUB2R
RECL3
RECR3
RECL2
RECR2
RECL1
RECR1
GND
SBL IN2
SBR IN2
SL IN2
SR IN2
C IN2
SW IN2
FL IN2
FR IN2
GND
INL12
INR12
INL1
1
INR1
1
INL10
INR10
INL9
INR9
INL8
INR8
INL7
INR7
INL6
INR6
INL5
INR5
INL4
INR4
INL3
INR3
INL2
INR2
INL1
INR1
GND
SBLIN
SBRIN
SLIN
SRIN
CIN
SWIN
FLIN
FRIN
GND
ADC ROUT
ADC LOUT
GND
SUB1 R
SUB1 L
GND
J403
G
CC03
100p
CC53
100p
CC04
100p
CC54
100p
CC07
100p
CC57
100p
1k
R454
1k
R404
1k
R457
1k
R407
1k
R403
C458
4.7
50V
C408
4.7
50V
1k
R453
CL342
CL343
CL340
CL341
CL374
CL375
J402
G
J401
6P
6P
6P
R302
100
CNP411
19P
-7V
NC
ADCL OUT
AGND
ADCR OUT
 DAC FR IN
 DAC FL IN
 DAC SW
DACC 
DAC SR IN
DAC SL IN
DAC SBR IN
DAC SBL IN
DCAC
SIRIUS_L
SIRIUS_R
VIDEO2_R
AGND
1
VIDEO2_L
CNP410
19P
2
4
5
1
3
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20
59
57 56
60
58
55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
BD3470KS2
IC400
DIR FUNCTION SELECT
IC400
IC B/D
IC352
KIA7907PI
-7V REG
IC350
KIA7807API-U/PF
IC352
+7V REG
IC350
Q301
RELAY DRIVER
2SC3052EF-T1-LEF
L
R
SA-CD/CD
AUDIO IN
L
R
MD/TAPE
AUDIO OUT
L
R
MD/TAPE
AUDIO IN
L
R
TV
AUDIO IN
L
R
VIDEO 1
AUDIO OUT
L
R
VIDEO 1
AUDIO IN
L
R
SAT/CATV
AUDIO IN
L
R
BD/DVD
AUDIO IN
L
R
ZONE 2
AUDIO OUT
SUBWOOFER
AUDIO OUT
K
CONNECTION
BOARD
CN179
(Page 49)
CONNECTION
BOARD
CN176
(Page 49)
L
D-VIDEO NW
BOARD
(8/8)
CN7003
(Page 43)
M
9
MAIN
BOARD
(4/4)
(Page 33)
4
MAIN BOARD (1/4)
(Page 30)
5
MAIN BOARD (1/4)
(Page 30)
6
MAIN BOARD (2/4)
(Page 31)
8
MAIN
BOARD
(4/4)
(Page 33)
CL300
CL301
CL302
CL303
CL304
CL305
CL306
CL307
CL308
CL309
CL310
CL311
CL312
CL313
CL314
CL330
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Tuner_L
Tuner_R
ZONE2_RY
+7V
OVER TEMP2
OVER TEMP1
VOL CLK
VOL DATA
15V for tuner
HP detect
Limiter
Protector
C-SUR-Relay
Bridgeable Relay
SBL-R Relay
LR Relay
SW Relay
NC
HP Relay
C_SUR
Protector
HP detect
BRIDGE
SBL_R
LR
SW
HP
ADCR OUT
 DAC FR IN
 DAC FL IN
 DAC SW
DACC
DAC SR IN
DAC SL IN
DAC SBR IN
DAC SBL IN
DCAC
SIRIUS_L
SIRIUS_R
PARTY_L
PARTY_R
NET_R
NET_L
PARTY_L
PARTY_R
ADCR OUT
DAC SW
DACC
DAC SR IN
DAC SL IN
DAC SBR IN
DAC SBL IN
 DAC FR IN
 DAC FL IN
DCAC
SIRIUS_L
SIRIUS_R
NET_L
NET_R
+
-
RY302
1
3
5
6
8
4
7
Q302
RELAY DRIVER
2SC3052EF-T1-LEF
47k
R305
R306
DA2J10100L
D302
100
R303
2
2.2k
(AEP, UK, AUS)
1
3
4
5
6
7
8
9
CN891
9P
NET_L
GND
NET_R
+7V
PARTY_R
GND
PARTY_L
-7V
CL378
CL379
CL380
CL381
CL382
CL383
CL384
Ver. 1.1
Page of 114
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