DOWNLOAD Sony STR-DH820 Service Manual ↓ Size: 7.02 MB | Pages: 104 in PDF or view online for FREE

Model
STR-DH820
Pages
104
Size
7.02 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dh820.pdf
Date
PREV: Sony HT-SS380 / SS-CTB102 / SS-TSB105 / SS-WSB103 Service Manual

Sony STR-DH820 Service Manual ▷ View online

STR-DH820
STR-DH820
29
29
5-14.  SCHEMATIC DIAGRAM – MAIN Board (1/4) –
    • See page 62 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 30)
3
MAIN BOARD
(2/4)
(Page 30)
4
MAIN BOARD (3/4)
(Page 31)
5
MAIN BOARD (3/4)
(Page 31)
2
MAIN BOARD
(2/4)
(Page 30)
*1
  C560, C803, C853
 10p 
(US, CND, TW)
 22p 
(UK, AUS, ECE)
*1
*1
*1
(US, CND, TW)
(US, CND,
TW)
(US, CND, TW)
(US, CND, TW)
(UK, AUS, ECE)
(UK, AUS, ECE)
(US, CND, TW)
HIC CXD9986L
IC B/D
(UK, AUS, ECE)
STK350-630TS-E
IC B/D
(US, CND, TW)
HIC CXD9986L
IC B/D
(UK, AUS, ECE)
STR-DH820
STR-DH820
30
30
5-15.  SCHEMATIC DIAGRAM – MAIN Board (2/4) –
    • See page 62 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
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 54)
6
MAIN BOARD (3/4)
(Page 31)
7
MAIN BOARD (4/4)
(Page 32)
3
MAIN
BOARD
(1/4)
(Page 29)
2
MAIN
BOARD
(1/4)
(Page 29)
1
MAIN
BOARD
(1/4)
(Page 29)
JS542
JS546
JS543
JS545
(CHASSIS)
*2
*2
*2
*2
(US, CND, TW)
(US, CND, TW)
(US, CND,
TW)
(US, CND,
TW)
(US,
CND,
TW)
(US, CND, TW)
(UK, AUS, ECE)
(UK, AUS, ECE)
(UK, AUS,
ECE)
(UK, AUS,
ECE)
(UK, AUS, ECE)
(UK,
AUS,
ECE)
(US, CND,
TW)
STK350-630TS-E
IC B/D
(US, CND, TW)
HIC CXD9986L
IC B/D
(UK, AUS, ECE)
STK350-630TS-E
IC B/D
(US, CND, TW)
HIC CXD9986L
IC B/D
(UK, AUS, ECE)
IC701
PRE DRIVER
IC701
IC601
PRE DRIVER
IC601
*2
  C603, C653, C703, C753 
 10p 
(US, CND, TW)
 22p 
(UK, AUS, ECE)
STR-DH820
STR-DH820
31
31
5-16.  SCHEMATIC DIAGRAM – MAIN Board (3/4) –
    • See page 61 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
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
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
D
ATA
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
E-VOL 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 45)
CONNECTION
BOARD
CN176
(Page 45)
L
9
MAIN BOARD
(4/4)
(Page 32)
4
MAIN BOARD (1/4)
(Page 29)
5
MAIN BOARD (1/4)
(Page 29)
6
MAIN BOARD (2/4)
(Page 30)
8
MAIN BOARD
(4/4)
(Page 32)
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
ADCR OUT
DAC SW
DACC
DAC SR IN
DAC SL IN
DAC SBR IN
DAC SBL IN
 DAC FR IN
 DAC FL IN
+
-
RY302
1
3
5
6
8
4
7
Q302
RELAY DRIVER
2SC3052EF-T1-LEF
47k
R305
R306
DA2J10100L
D302
100
R303
2
2.2k
(UK, AUS, ECE)
STR-DH820
STR-DH820
32
32
5-17.  SCHEMATIC DIAGRAM – MAIN Board (4/4) –
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 (4/4)
28
29
30 27
33
32
34
31
36
35
37
38
39
FOR REFER
INDICATION
1
2
3
4
5
SBL
SBR
SBL_R
SL_OUT
SR_OUT
C_SUR
C_OUT
LR
BRIDGE
FR_OUT
FL_OUT
C
SR
SL
FL
FR
RY920
1
2
3
5
6
8
4
7
2.2k
R921
Q920
RELAY DRIVER
2SC3052EF-T1-LEF
CNP920
5P
R1 (UPPER TAP)
R1 (LOWER TAP)
R1 GND
R1 (LOWER TAP)
R1 (UPPER TAP)
W001
W004
Q360
RELAY DRIVER
2SC3052EF-T1-LEF
Q355
RELAY DRIVER
2SC3052EF-T1-LEF
Q365
RELAY DRIVER
2SC3052EF-T1-LEF
1k
R355
47k
R358
47k
R363
47k
R925
C911
0.1
C910
1SR154-400TE-25
D910 ~ D913
D912
D911
D910
D913
0.1
CL369
CL370
CL371
CL373
CL372
2.2k
R350
47k
R353
Q350
RELAY DRIVER
2SC3052EF-T1-LEF
F912
T6.3A 250V
F913
T6.3A 250V
47k
R366
1k
R367
JWH808
75
C912
2200
25V
C913
1000
25V
D921
D5SBA60-F
C914
0.22
C915
0.22
1k
R360
D350
DA2J10100L
D365
DA2J10100L
D355
DA2J10100L
D360
DA2J10100L
D920
DA2J10100L
1
3
4
5
CL366
CL367
CL368
F910
T2.5A 250V
F911
T2.5A 250V
CNP930
5P
R2 AC
CENTER TAP
NC
R2 AC
C930
10000
71V
C931
10000
71V
R351
33
R365
33
R356
33
R361
33
R920
33
RY360
12V
1
2
3
4
5
6
RY355
12V
1
2
3
4
5
6
RY365
12V
1
2
3
4
5
6
RY350
12V
1
2
3
4
5
6
SBR_OUT
SBL_OUT
M
POWER
TRANSFORMER
(MAIN)
T901
(Page 47)
N
POWER
TRANSFORMER
(MAIN)
T901
(Page 47)
9
MAIN BOARD
(3/4)
(Page 31)
7
MAIN BOARD (2/4)
(Page 30)
8
MAIN BOARD
(3/4)
(Page 31)
10
9
8
7
6
5
4
3
2
1
DIG
PHASE
CHASSIS
FL/FR 
C
SR/SL
SBL/SBR
ACLASS
PROTECTOR
B,FL,V,RY
RR13
10
CC13
0.01
RR14
10
CC14
0.01
RR11
10
CC11
0.01
CC12
0.01
RR12
10
CC15
0.01
RR15
10
RR17
10
CC17
0.01
RR18
10
CC18
0.01
CL356
CL357
CL358
CL359
CL360
CL361
CL355
CC62
1000p
CC63
1000p
CC61
1000p
CC60
1000p
+
+
-
-
FR
SR
SL
FL
+
-
+
-
+
-
+
-
L
CTR
CTR L
R
L
R
SURROUND BACK/
FRONT HIGH/BI-AMP/
FRONT B
SURROUND
SPEAKERS
L
R
FRONT A
TB502
2P
TB503
4P
TB504
8P
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