Sony STR-DH520 Service Manual ▷ View online
STR-DH520
STR-DH520
17
17
4-6. BLOCK DIAGRAM – POWER KEY Section –
6
2
3
3
DRIVE
PRE DRIVER
IC701
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
FL-CH
FR-CH
FL-CH
FR-CH
SL-CH
SBL-CH
SBR-CH
SR-CH
SL-CH
SR-CH
+3.3V
(STBY)
+5V
-5V
+4V
+6V
-7V
+7V
87
6
2
3
3
DRIVE
PRE DRIVER
IC601
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
99
80
+5V
(STBY)
-5V
REG
IC202
+3.3V
REG
IC2107
1.1V
(STBY)
2
3
POWER OPERATION AMP
IC2803
-15V
+15V
+7V
REG
IC350
-7V
REG
IC352
+5V
REG
IC201
+4V
REG
2
1
IC1500
+6V
REG
2
1
IC1600
FRONT_SPK_A_R
Y
HP_R
Y
SBL-SBR_R
Y
C/SL-SR_R
Y
PREOUT_SW_R
Y
HP_DET
FRONT_SPK_A_RY
PROTECTOR
2
BRIDGEABLE_RY
HP_DET
FUSE_DET(RESERVE)
STOP
79
4
HP_RY 3
100
PREOUT_SW_RY
98
C/SL-SR_RY
FRONT_SPK_A_RY
HP_DET
SBL-SBR_RY
HP_RY
PREOUT_SW_RY
C/SL-SR_RY
SYSTEM
CONTROL
IC2105 (5/5)
PRE
DRIVE
C-CH
6
2
3
3
DRIVE
PRE DRIVER
IC501
IN 1
+VOUT1
-VOUT2
PRE
DRIVE
SW-CH
PRE
DRIVE
6
2
3
3
DRIVE
PRE DRIVER
IC801
IN 1
+VOUT1
-VOUT2
8
12
11
11
IN 2
+VOUT2
-VOUT2
PRE
DRIVE
1
SBL-SBR_RY
4
SIGNAL
SELECTOR
IC2032 (2/2)
B
PHONES
J790
R
L
L
AUDIO
OUT
SUB
WOOFER
CENTER
SURROUND
R
TB503
TB504
TB503
J405
FRONT
SPEAKERS
IMPEDANCE
USE 8-16ȍ
T901
MAIN POWER
TRANSFORMER
F901
POWER TRANSFORMER
(SUB)
T902
AC IN
~
RECT
D921
F912
F913
RY901
D990
F910
F911
F940
F941
RECT
D910-913
RECT
D941
D2303
D2302
D2110
PROTECTOR
D326-327, Q320-321,
Q323-325
POWER AMP
Q701-704,
Q751-754
POWER AMP
Q551-554
POWER AMP
Q601-604,
Q651-654
POWER AMP
Q801-802,
Q503-504,
Q503-504,
Q851-854
RY350
RY365
RY301
RY375
RELAY
DRIVER
Q375
RELAY
DRIVER
Q365
RELAY
DRIVER
Q301
RELAY
DRIVER
Q350
RY920
RELAY
DRIVER
Q920
RY355
RELAY
DRIVER
Q355
R
SURROUND BACK/
FRONT HIGH
L
TB502
RY360
RELAY
DRIVER
Q360
CURRENT
DETECT
Q711,712
CURRENT
DETECT
Q761,762
CURRENT
DETECT
Q861,862
CURRENT
DETECT
Q550,555
CURRENT
DETECT
Q611,612
CURRENT
DETECT
Q661,662
CURRENT
DETECT
Q811,812
RELAY
DRIVER
Q901
AC IN
DETECT
Q990
RECT
D993-D994
6LJQDOSDWK
: TUNER (FM/AM)
5FKLVRPLWWHGGXHWR
5FKLVRPLWWHGGXHWR
VDPHDV/FK
TUNER/
AUDIO
SECTION
(Page 12)
(Page 12)
STR-DH520
STR-DH520
18
18
– HDMI RE PC Board –
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
and
1
/
4
W or less unless otherwise
specifi ed.
• f
: internal component.
•
2 : nonfl ammable resistor.
•
5 : fusible resistor.
•
C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
•
A : B+ Line.
•
B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
:
TUNER
(FM/AM)
L : VIDEO (AUDIO)
I : VIDEO
J
: DVD (DIGITAL)
c : CD (ANALOG)
• Abbreviation
AUS :
AUS :
Australian
model
CND :
Canadian
model
ECE : Continental European, East European
and Russian models
TW :
Taiwan
model
For Printed Wiring Boards.
Note:
•
•
X : Parts extracted from the component side.
• f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts on the parts face side seen from
the parts face are indicated.
Parts on the pattern face side seen from
the pattern face are indicated.
the parts face are indicated.
Parts on the pattern face side seen from
the pattern face are indicated.
Note:
The components identi-
fi ed by mark
The components identi-
fi ed by mark
0 or dotted
line with mark
0 are criti-
cal for safety.
Replace only with part
number specifi ed.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque
Les composants identifi és
par une marque
0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
• Abbreviation
AUS :
AUS :
Australian
model
CND :
Canadian
model
ECE : Continental European, East European
and Russian models
TW :
Taiwan
model
• Waveforms
– DIGITAL Board –
– DIGITAL Board –
– DISPLAY Board –
3.28 Vp-p
4 MHz
1
IC2105
os (X1(X_OUT))
500 mV/DIV, 100 nsec/DIV
3.34 Vp-p
48.07 kH
2
IC2006
qk (LRCK)
500 mV/DIV, 5 usec/DIV
3
IC2006
ql (BCK)
3.34 Vp-p
3.08 MHz
500 mV/DIV, 100 nsec/DIV
512m Vp-p
27.00 MHz
100 mV/DIV, 10 nsec/DIV
4
IC3500
4 (XTALOUT)
912m Vp-p
10 MHz
200 mV/DIV, 25 nsec/DIV
5
IC3000
K (XOUT)
6
IC100
5 (OSC)
1 V/DIV, 5
Psec/DIV
15
Ps
4.72 Vp-p
STR-DH520
STR-DH520
19
19
4-7.
PRINTED WIRING BOARD – MAIN Board –
• See page 11 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
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
E
B
E
B
JR
JR
JR
JR
JR
JR
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 B E
B
E
JR
JR
B E
B E
B E
B E
B
E
B
E
I
O
IC352
I
O
IC350
IC801
15
14
2
1
15
14
2
1
15
14
2
1
15
14
2
1
IC701
IC601
IC501
IC500
IC400
20
21
41
60
40
61
80 1
Q654
HS921
Q851
Q852
Q853
Q854
HS350
15
CNP920
R609
R610
R612
R613
R809
R810
R812
R813
LP401
R628
R629
L678
R828
R829
L878
C408
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
F910
R878
F91
1
R879
F912
F913
C458
C653
C655
C657
C658
C659
Q503
Q504
C853
C660
C855
C662
C857
C858
C471
C859
Q701
Q702
Q703
Q704
C860
C862
C679
RR1
1
RR12
RR13
RR14
RR15
RR17
RR18
C879
L728
J401
J405
Q551
Q552
Q553
Q554
R302
Q751
Q752
Q753
Q754
L550
R513
R709
R710
R712
R713
R728
R729
L778
R920
R545
R351
R546
R356
C703
C705
C707
R550
C320
C708
R551
C709
R553
R361
C325
R558
C710
R365
C712
R759
C912
C913
R567
R377
R760
R762
R763
C729
R
Y301
C545
C351
C546
C547
C353
R778
R779
C550
C552
C555
C557
C558
C559
C753
C560
C561
C755
C757
C758
C759
Q601
Q602
Q603
Q604
C760
C762
Q801
Q802
RY
92
0
C779
D921
L628
L828
Q651
Q652
Q653
TB502
TB503
ET300
C501
C502
C503
C504
J406
J407
C507
C508
J409
C321
C380
C381
C382
C383
C384
C385
C386
C387
C930
C931
JWH603
JWH600
JWH601
JW758
JW770
JW796
JW797
JW603
JW609
JW803
JW612
JW807
JW624
JW628
JW833
JW660
JW665
JW670
JW671
JW672
JW674
JW677
JW691
JW709
JW710
JW713
JW721
JW728
JW741
JW742
JW743
JW746
JW757
JW762
JW775
JW787
JW788
JW601
JW801
JW804
JW61
1
JW613
JW815
JW625
JW633
JW641
JW643
JW646
JW707
JW708
JW731
JW732
JW751
JW752
JW755
JW759
JW760
JW773
JW783
JW792
JW604
JW605
JW621
JW821
JW824
JW635
JW636
JW639
JW645
JW650
JW682
JW689
JW693
JW738
JW740
JW753
JW756
JW763
JW768
JW772
JW774
JW782
JW805
JW614
JW809
JW617
JW623
JW627
JW629
JW820
JW630
JW637
JW642
JW649
JW654
JW666
JW667
JW673
JW694
JW695
JW718
JW739
JW744
JW747
JW766
JW790
JW795
JW648
JW651
JW656
JW659
JW661
JW663
JW690
JW717
JW719
JW719
JW722
JW745
JW761
JW764
JW769
JW776
JW779
JW780
JW784
JW798
JW600
JW606
JW607
JW610
JW615
JW619
JW620
JW622
JW816
JW818
JW826
JW638
JW832
JW644
JW652
JW657
JW658
JW662
JW664
JW668
JW678
JW683
JW684
JW685
JW688
JW692
JW504
JW700
JW704
JW712
JW716
JW724
JW726
JW729
JW749
JW767
JW777
JW778
JW781
JW785
JW791
JW793
JW602
JW608
JW800
JW802
JW618
JW811
JW626
JW631
JW632
JW634
JW640
JW655
JW669
JW676
JW680
JW681
JW686
JW687
JW698
JW699
JW703
JW705
JW711
JW714
JW715
JW720
JW725
JW733
JW734
JW736
JW737
JW750
JW697
JW701
JW616
JW808
JW813
JW647
JWH604
JWH602
TB504
JW653
RY
35
0
RY
35
5
RY
36
0
R
Y365
R
Y375
JW819
JW675
11
9
CNP410
1
19
CNP41
1
1
5
CNP930
1
5
CN391
JW679
D326
D327
D910
D911
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
D365
D375
D761
D770
D61
1
D81
1
D620
D820
D661
D861
D670
D870
D301
D71
1
D720
D920
D350
D355
D550
D551
D360
D302
D303
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
C400
C405
R830
R449
C602
R450
R451
R452
R453
R455
C802
R458
C611
R651 R652
R653
R654
R656
R657
R658
C811
R466
R467
C620
R851
R853
R854
R661
R856
R857
R470
R664
R858
R665
R666
C820
R861
R670
R864
R865
R672
R866
C449
R870
CL339
R872
C450
R680
R880
C652
C852
CL357
CL358
C661
JR601
JR602
CL362
CL363
CL364
C861
CL367
CL368
C670
CL369
CL370
CL371
CL372
CL373
C488
C870
C489
C499
R301
R304
R701
R702
R703
R704
R706
R707
R320
R708
R325
R326
R327
R328
R711
R714
R715
R716
R720
R722
R921
R730
R925
CL393
R544
R350
R547
R353
R354
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
C911
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
CC11
CC12
CC13
CC14
CC15
CC17
CC18
C761
JR700 JR701
JR706
C770
D536
CC51
CC52
CC53
CC55
CC58
C933
C932
C390
C397
C391
C392
R380
R387
C396
R385
R386
CC20
CC21
R928
C521
R420
R410
R388
C388
CL301
CL302
CL303
CL305
CL309
CL307
CL310
CL306
CL308
CL304
CL311
CL314
CL315
CL313
CL312
JR707
CL300
CL323
CL329
CL321
CL318
CL320
CL322
CL317
CL316
CL319
CL326
CL327
CL325
CL328
CL333
CL324
R381
R382
C393
R383
C394
R384
C395
C506
FB501
C505
R505
R506
R510
C510
R503
R507
R500
C514
CL340
CL341
CL337
CL338
CL336
CL335
C322
C389
R389
R357
R321
R508
R517
R518
R515
CL344
CL347
CL348
CL345
CL346
CL356
CL355
CL374
CL375
CL366
CL360
CL361
JR600
CL359
JR603
JR604 JR605
R852
R512
R514
R516
JR606
JR607
CL376
CL399
CL392
CL387
CL380
CL389
CL401
CL398
CL385
CL378
CL394
CL386
CL390
CL384
CL388
CL391
CL379
CL400
CL395
CL377
CL383
CL397
R392
R393
R394
R395
CL351
CL350
CL349
C398
C399
R348
JR608
JR609
MAIN
BOARD
BOARD
1-883-403-
13
(13)
–
+
–
+
–
+
–
+
R
L
SURROUND
BACK/
FRONT HIGH
R
L
SURROUND
CENTER
+
L
R
L
R
–
FRONT
SPEAKERS
(CHASSIS)
R
L
R
L
R
L
R
L
R
L
(CHASSIS)
(CHASSIS)
(CHASSIS)
VIDEO
AUDIO
IN
SAT/CATV
AUDIO
IN
SA-CD/CD
AUDIO
IN
SUBWOOFER
AUDIO
OUT
VIDEO
AUDIO
OUT
PORTABLE
IN
(MINI JACK)
AUTO CAL
MIC
TV
AUDIO
IN
DIGITAL
BOARD
CN2114
CN2114
(Page 24)
DIGITAL
BOARD
CN2105
CN2105
(Page 24)
HEADPHONE
BOARD
CN790
(Page 38)
MAIN POWER
TRANSFORMER
T901
(Page 30)
MAIN POWER
TRANSFORMER
T901
(Page 30)
(CHASSIS)
(UK, TW,
AUS, ECE)
AUS, ECE)
A
B
C
D
E
Ver. 1.1
STR-DH520
STR-DH520
20
20
4-8. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
Ver. 1.2
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
2
3
4
5
6
7
8
9
9
10
12
13
14
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
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
10p
C803
10p
C560
10p
C855
3p
C805
3p
C559
3p
C857
47 35V
C757
47 35V
C807
47 35V
C558
47 35V
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
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
IC801
STK350-630TS-E
MUTE
+VOUT1
-VOUT2
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
IC501
STK350-630TS-E
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 35V
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
C_OUT
SBL_OUT
PRE DRIVER
IC501
PRE DRIVER
IC801
CL394
CL395
CL396
CL397
MAIN BOARD
(2/4)
(Page 21)
MAIN BOARD
(2/4)
(Page 21)
MAIN BOARD (3/4)
(Page 22)
MAIN BOARD (3/4)
(Page 22)
MAIN BOARD
(2/4)
(Page 21)
1
2
3
5
4
Click on the first or last page to see other STR-DH520 service manuals if exist.