Sony STR-DN850 Service Manual ▷ View online
STR-DN850
STR-DN850
45
45
5-20. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
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
(1/4)
1
2
3
4
5
6
7
8
9
9
10
11
12
13
14
15
16
18
17
19
22
20
21
23 24
0
1.1
-0.7
0
0
58
1.1
0
58
1.1
0
58
1.1
0
58
1.1
0
58
1.1
0
58
-1.1
0
-58
-1.1
0
-58
-1.1
0
-58
-1.1
0
-58
-1.1
0
-58
-1.1
0
-58
1.1
0
58
-1.1
0
-58
0
-0.7
0
0
-0.7
0
0
-0.7
0
0
-0.7
0
0
-0.7
0
0
-0.7
0
0
-59
-0.7
0
-59
-0.7
0
-59
-0.7
0
-59
-0.7
0
-59
-0.7
0
-59
-0.7
0
-59
-0.7
-1.1
-0.6
0.4
-1.1
-0.6
0.4
-1.1
0.4
1.1
-1.1
0.4
1.1
-1.1
-0.6
0.4
-1.1
0.4
1.1
-1.1
-0.6
0.4
-1.1
0.4
1.1
-1.1
-0.6
0.4
-1.1
0.4
1.1
-1.1
-0.6
0.4
-1.1
0.4
1.1
-1.1
-0.6
0.4
-1.1
0.4
1.1
1.1
59
59
0.6
0.1
0.1
-57
-57
1.1
59
59
1.1
59
59
1.1
59
59
0.6
0.1
0.1
-57
-57
0.6
0.1
0.1
-57
-57
1.1
59
59
0.6
0.1
0.1
-57
-57
0.6
0.1
0.1
-57
-57
1.1
59
59
0.6
0.1
0.1
-57
-57
1.1
59
59
0.6
0.1
0.1
-57
-57
-56.4
16.3
-1.1
-57
-56.4
16.3
-57
-56.4
16.3
-57
-57
-56.4
-1.1
-57
-56.4
-56.4
16.3
-57
-1.1
-57
-56.4
-56.4
16.3
-57
-1.1
-57
-56.4
-57
-1.1
-56.4
-56.4
16.3
-57
-57
-1.1
-56.4
-56.4
16.3
-57
-57
-1.1
-56.4
C564
100p
C548
0.1u
C984
22u
100V
C983
22u
100V
C551
220p
C591
47p
C592
47p
C578
0.022u
C581
4p
C585
47p
C586
47p
C570
3300p
C582
12p
C558
47u 25V
C545
47u 25V
C563
220u
10V
C560
[SL]
[SBR]
[SBL]
[SR]
[FL]
[FR]
[C]
10u
50V
C863
220u
10V
C813
220u
10V
C683
220u
10V
C613
220u
10V
C763
220u
10V
C713
220u
10V
C860
10u
50V
C810
10u
50V
C680
10u
50V
C760
10u
50V
C710
10u
50V
C610
10u
50V
CL550
CL552
CL551
R480
0.22
R481
0.22
R482
0.22
R483
0.22
R484
0.22
R485
0.22
R486
0.22
D550
DA2J10100L
D571
DA2J10100L
D572
DA2J10100L
D570
DA2J10100L
D551
DA2J10100L
D536
DZ2J051M0L
L550
Q553
2SD2114K
LIMITER
Q570
Q551
BOOSTER
MP1620-OPY-MK
Q550
BOOSTER
MN2488-OPY-MK
C +VE
C -VE
Q552
2SA1162-G
LIMITER
Q554
MSB92T1G
CURRENT
DETECT
Q572
KTA1024-Y
PWR AMP.
Q872
KTA1024-Y
PWR AMP.
Q822
KTA1024-Y
PWR AMP.
Q672
KTA1024-Y
PWR AMP.
Q772
KTA1024-Y
PWR AMP.
Q722
KTA1024-Y
PWR AMP.
Q622
KTA1024-Y
PWR AMP.
Q555
CURRENT DETECT
MSB92T1G
Q574
KTC3206-Y
PWR AMP.
Q575
KTC3206-Y
PWR AMP.
R550
4.7
R546
0.47
R545
0.47
R554
100
R567
100
R558
6.2k
R551
10
2.2k
R943
220
R573
470
R576
2.2k
R575
560
R566
22k
R555
2.2k
R556
6.8k
R381
68k
R944
270
R578
4.7k
R571
220
R574
4.7k
R570
4.7k
R572
56k
R579
2.2k
R577
0
R544
68k
R561
4.7k
R552
1.5k
R565
15k
R564
68k
R569
47k
R568
100k
R559
47k
R557
22k
R548
22k
R549
6.8k
R547
1k
R942
C554
0.01u
E
B
C
C
B
B
C
E
E
B
C
C862
100p
C851
220p
C891
47p
C892
47p
C878
0.022u
C881
4p
C885
47p
C886
47p
C870
3300p
C882
12p
C858
47u 25V
CL850
CL852
CL851
D850
DA2J10100L
D872
DA2J10100L
D871
DA2J10100L
D870
DA2J10100L
D851
DA2J10100L
L850
Q853
2SD2114K
LIMITER
Q870
Q851
BOOSTER
MP1620-OPY-MK
Q850
BOOSTER
MN2488-OPY-MK
SBR +VE
SBR -VE
Q852
2SA1162-G
LIMITER
Q854
MSB92T1G
CURRENT
DETECT
Q855
CURRENT DETECT
MSB92T1G
Q874
KTC3206-Y
PWR AMP.
Q875
KTC3206-Y
PWR AMP.
R850
4.7
R854
100
R867
100
R858
6.2k
R851
10
2.2k
R946
220
R873
470
R876
2.2k
R875
560
R866
22k
R855
2.2k
R856
6.8k
R382
68k
R947
270
R878
4.7k
R871
220
R874
4.7k
R870
4.7k
R872
56k
R879
2.2k
R877
68k
R861
4.7k
R852
1.5k
R865
15k
R864
68k
R869
47k
R868
100k
R859
47k
R857
1k
R945
C854
0.01u
[SBR]
[SL]
E
B
C
C
B
C762
100p
C781
4p
C785
47p
C786
47p
C770
3300p
C782
12p
D772
DA2J10100L
D771
DA2J10100L
D770
DA2J10100L
Q770
Q774
KTC3206-Y
PWR AMP.
Q775
KTC3206-Y
PWR AMP.
2.2k
R792
220
R773
470
R776
2.2k
R775
68k
R790
270
R778
4.7k
R771
220
R774
4.7k
R770
4.7k
R772
56k
R779
2.2k
R777
68k
R761
1k
R791
E
B
C
C
B
C812
100p
C831
4p
C835
47p
C836
47p
C820
3300p
C832
12p
D822
DA2J10100L
D821
DA2J10100L
D820
DA2J10100L
Q820
Q570, Q620, Q670,
Q720, Q770, Q820,
Q870
HN4A06J-GRBL (TE85R)
PWR AMP.
Q824
KTC3206-Y
PWR AMP.
Q825
KTC3206-Y
PWR AMP.
2.2k
R949
220
R823
470
R826
2.2k
R825
68k
R950
270
R828
4.7k
R821
220
R824
4.7k
R820
4.7k
R822
56k
R829
2.2k
R827
68k
R811
1k
R948
C662
100p
C682
12p
2.2k
R681
68k
R662
68k
R661
1k
R686
E
B
C C
B
B
C
E
E
B
C
C651
220p
C691
47p
C692
47p
C678
0.022u
C681
4p
C685
47p
C686
47p
C670
3300p
C658
47u 25V
CL650
CL652
CL750
CL752
CL600
CL602
CL700
CL702
CL651
D650
DA2J10100L
D672
DA2J10100L
D671
DA2J10100L
D670
DA2J10100L
D651
DA2J10100L
L650
Q653
2SD2114K
LIMITER
Q670
Q651
BOOSTER
MP1620-OPY-MK
Q650
BOOSTER
MN2488-OPY-MK
FR +VE
FR -VE
Q652
2SA1162-G
LIMITER
Q654
MSB92T1G
CURRENT
DETECT
Q655
CURRENT DETECT
MSB92T1G
Q674
KTC3206-Y
PWR AMP.
Q675
KTC3206-Y
PWR AMP.
R650
4.7
R654
100
R667
100
R658
6.2k
R651
10
220
R673
470
R676
2.2k
R675
560
R666
22k
R655
2.2k
R656
6.8k
R384
270
R678
4.7k
R671
220
R674
4.7k
R670
4.7k
R672
56k
R679
2.2k
R677
4.7k
R652
1.5k
R665
15k
R664
68k
R669
47k
R668
100k
R659
47k
R657
C654
0.01u
[SR]
E
B
C
C
B
B
C
E
E
B
C
C801
220p
C841
47p
C842
47p
C828
0.022u
C808
47u 25V
CL800
CL802
CL801
D800
DA2J10100L
D801
DA2J10100L
L800
Q803
2SD2114K
LIMITER
Q801
BOOSTER
MP1620-OPY-MK
Q800
BOOSTER
MN2488-OPY-MK
SBL +VE
SBL -VE
Q802
2SA1162-G
LIMITER
Q804
MSB92T1G
CURRENT
DETECT
Q805
CURRENT DETECT
MSB92T1G
R800
4.7
R804
100
R817
100
R808
6.2k
R801
10
560
R816
22k
R805
2.2k
R806
6.8k
R383
4.7k
R802
1.5k
R815
15k
R814
68k
R819
47k
R818
100k
R809
47k
R807
C804
0.01u
[SBL]
B
C
E
E
B
C
C712
100p
C731
4p
C735
47p
C736
47p
C720
3300p
C732
12p
D722
DA2J10100L
D721
DA2J10100L
D720
DA2J10100L
Q720
Q724
KTC3206-Y
PWR AMP.
Q725
KTC3206-Y
PWR AMP.
2.2k
R742
220
R723
470
R726
2.2k
R725
68k
R740
270
R728
4.7k
R721
220
R724
4.7k
R720
4.7k
R722
56k
R729
2.2k
R727
68k
R710
1k
R741
E
B
C C
B
C701
220p
C741
47p
C742
47p
C728
0.022u
C708
47u 25V
CL701
D700
DA2J10100L
D701
DA2J10100L
L700
Q703
2SD2114K
LIMITER
Q701
BOOSTER
MP1620-OPY-MK
Q700
BOOSTER
MN2488-OPY-MK
SL +VE
SL -VE
Q702
2SA1162-G
LIMITER
Q704
MSB92T1G
CURRENT
DETECT
Q705
CURRENT DETECT
MSB92T1G
R700
4.7
R704
100
R717
100
R708
6.2k
R701
10
560
R716
22k
R705
2.2k
R706
6.8k
R387
4.7k
R702
1.5k
R715
15k
R714
68k
R719
47k
R718
100k
R709
47k
R707
C704
0.01u
[C]
B
C
E
E
B
C
C612
100p
C684
10p
C634
10p
C631
4p
C635
47p
C636
47p
C620
3300p
C632
12p
D622
DA2J10100L
D621
DA2J10100L
D620
DA2J10100L
Q620
Q624
KTC3206-Y
PWR AMP.
Q625
KTC3206-Y
PWR AMP.
2.2k
R642
220
R623
470
R626
2.2k
R625
68k
R690
270
R68
4.7k
R621
220
R624
4.7k
R620
4.7k
R622
56k
R629
2.2k
R627
68k
R611
1k
R691
E
B
C C
B
C751
220p
C791
47p
C792
47p
C778
0.022u
C758
47u 25V
CL751
D750
DA2J10100L
D751
DA2J10100L
L750
Q753
2SD2114K
LIMITER
Q751
BOOSTER
MP1620-OPY-MK
Q750
BOOSTER
MN2488-OPY-MK
SR +VE
SR -VE
Q752
2SA1162-G
LIMITER
Q754
MSB92T1G
CURRENT
DETECT
Q755
CURRENT DETECT
MSB92T1G
R750
4.7
R754
100
R767
100
R758
6.2k
R751
10
560
R766
22k
R755
2.2k
R756
6.8k
R385
4.7k
R752
1.5k
R765
15k
R764
68k
R769
47k
R768
100k
R759
47k
R757
C754
0.01u
[FR]
B
C
E
E
B
C
C601
220p
C641
47p
C642
47p
C628
0.022u
C618
47u 25V
CL601
D600
DA2J10100L
D601
DA2J10100L
L600
Q603
2SD2114K
LIMITER
Q601
BOOSTER
MP1620-OPY-MK
Q600
BOOSTER
MN2488-OPY-MK
FL +VE
FL -VE
Q602
2SA1162-G
LIMITER
Q604
MSB92T1G
CURRENT
DETECT
Q605
CURRENT DETECT
MSB92T1G
R600
4.7
R604
100
R617
100
R608
6.2k
R601
10
560
R616
22k
R605
2.2k
R606
6.8k
R386
4.7k
R602
1.5k
R615
15k
R614
68k
R619
47k
R618
100k
R609
47k
R607
C604
0.01u
[FL]
B
C
E
E
B
C
JW303
JW302
>032S
MAIN BOARD
(2/4)
(Page 46)
>033S
MAIN BOARD (4/4)
(Page 48)
>034S
MAIN BOARD (2/4)
(Page 46)
Ver. 1.1
STR-DN850
STR-DN850
46
46
5-21. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
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 (2/4)
7
2
3
5
4
6
1
9
10
22
11
12
13
8
24
23
26
25
27
29 30
28
(CHASSIS)
-59
-59
0
-59
0
3.3
-59
0
3.3
3.3
0
14
0
0.1
0.8
0.8
0.2
0.8
0.2
0.8
0.2
0.8
0.2
E
BTR-N
BTR-P
BTL-P
BTL-N
SW
CLK
DATA
DCAC-IN
NWR-N
NWL-P
CL383
CL382
CL381
CL382
CL381
CL393
CL380
CL853
CL392
CL391
CL390
CL389
CL388
CL387
CL386
CL385
CL384
CL391
CL390
CL389
CL388
CL387
CL386
CL385
CL384
CN1003
22P
GP801
FOR REFER
INDICATION
INDICATION
10P
1
NW_RCH_N/NW_Z2_R
2
NW_RCH_P/AGND
3
NW_LCH_P/NW_Z2_L
4
NW_LCH N/AGND
5
BTR-N
6
BTR-P
7
BTL-P
8
BTL-N
9
LIMITER
10
TEMP-SENSOR2
11
TEMP-SENSOR1
12
HP-RY
13
BRIDGEABLE-RY
14
SBL-SBR-RY
15
ZONE2-PREOUT-SW-RY
16
FRONT-SPK-RY
17
C-SL-SR-RY
18
PROTECT
19
EVOL-DATA
20
EVOL-CLK
21
HP-CLK
22
DCAC-IN
220
R449
220
R450
W001
2.2k
R252
2.2k
R251
0.1u
C250
TH252
10k
TH251
10k
FL
SR
SL
FR
C
C915
0.22u
C914
0.22u
C912
2200u
25V
C913
1000u
25V
CC66
220p
CC65
220p
CC60
220p
CC61
220p
CC64
220p
C930
6800u 71V
C931
6800u 71V
C320
220u
10V
C323
220u
10V
C325
10u
50V
CL372
CL359
CL360
CL363
CL354
CL362
CL364
CL357
CL371
CL370
CL361
CL358
CL373
CL369
CN391
4P
1
HP DETECT
2
R-CH
3
GND
4
L-CH
CNP920
5P
1
R1 (UPPER TAP)
2
R1 (LOWER TAP)
3
R1 GND
4
R1 (LOWER TAP)
5
R1 (UPPER TAP)
D327
BAV70
D326
BAV70
D921
D5SBA60-F
D375
DA2J10100L
D350
DA2J10100L
D920
DA2J10100L
ET301
C910
0.47u
C911
0.47u
D911
D910
D910 ~ D913
GS1G
D912
D913
CL366
CL368
CL367
CNP930
5P
1
R2 AC
2
3
3
CENTER TAP
4
NC
5
R2 AC
F911
2.5A 250V
F910
2.5A 250V
F913
6.3A 250V
F912
6.3A 250V
Q323
MSB92T1G
PROTECTOR
Q320
MSB92T1G
PROTECTOR
Q375
2PD601ART
RELAY
DRIVER
Q350
2PD601ART
RELAY
DRIVER
Q324
2PD601ART
PROTECTOR
Q920
2PD601ART
RELAY
DRIVER
Q325
2SC2713-G
PROTECTOR
Q321
2PD601ART
PROTECTOR
R989
330
R990
330
R992
330
R991
330
RR11
10
RR14
10
RR15
10
R377
33
RR12
10
R920
33
RR13
10
R351
33
6.8k
R325
47k
R925
2.2k
R921
39k
R326
10k
R327
1k
R328
2.2k
R350
47k
R353
47k
R378
2.2k
R375
22k
R320
22k
R323
RY350
12V
1
2
3
4
4
5
6
D365
DA2J10100L
Q365
2PD601ART
RELAY
DRIVER
R365
33
1k
R367
47k
R366
RY365
12V
1
2
3
4
4
5
6
D355
DA2J10100L
Q355
2PD601ART
RELAY
DRIVER
R356
33
1k
R355
47k
R358
RY355
12V
1
2
3
4
4
5
6
D360
DA2J10100L
Q360
SBR_OUT
SBL_OUT
SR_OUT
C_OUT
SL_OUT
FR_OUT
FL_OUT
2PD601ART
RELAY
DRIVER
R361
33
2.2k
R360
47k
R363
RY360
12V
1
2
3
4
4
5
6
RY921
12V
RY920
CC15
0.01u
CC12
0.01u
CC11
0.01u
CC13
0.01u
CC14
0.01u
SBR
SBL
CC62
220p
CC63
220p
CL355
CL356
RR18
10
RR17
10
TB503
4P
TB502
4P
TB501
6P
CC17
0.01u
CC18
0.01u
C322
0.01u
~
-
+
~
R
L
SURROUND
R
L
SURROUND BACK/ BI-AMP/
FRONT HIGH/ FRONT B
CENTER R
L
FRONT A
SPEAKERS IMPEDANCE USE 6-16
>036S
HEADPHONE
BOARD
CN107
(Page 58)
>037S
POWER
TRANSFORMER
(MAIN)
T901
(Page 54)
>038S
POWER
TRANSFORMER
(MAIN)
T901
(Page 54)
10
DIG
9
PHASE
8
CHASIS
7
FL/FR
6
C
5
SR/SL
4
SBL/SBR
3
ACLASS
2
PROTECTOR
1
B,FL,V,RY
>032S
MAIN BOARD
(1/4)
(Page 45)
>034S
MAIN BOARD (1/4)
(Page 45)
>035S
MAIN BOARD (4/4)
(Page 48)
>014S
DIGITAL
BOARD
(2/9)
CN2008
(Page 35)
>039S
MAIN BOARD (3/4)
(Page 47)
Ver. 1.2
STR-DN850
STR-DN850
47
47
5-22. SCHEMATIC DIAGRAM – MAIN Board (3/4) –
• See page 59 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)
38
37
35 36
30
29
39
40
40
41
42
44
45
43
47
48
46
31 32 33 34
3.3
5
1.5
3.3
3.3
3.3
2
7
0
2
0
7
-7
0
0
0
5
5
0
5
5
5
0
0
7
-7
0
0
0
0
7
-7
0
0
0
0
7
-7
0
0
0
0
7
-7
0
0
0
7
0
0
0
1
2
3
4
5
6
7
8
DAC-FL
DAC-SW
DAC-C
DAC-SL
DAC-SR
DAC-SBR
DAC-SBL
DAC-FR
SL_FIL
SBL_FIL
SW_FIL
SR_FIL
SBR_FIL
C_FIL
FL-FIL
FR_FIL
DAC-SBL
DAC-SBR
DAC-SR
DAC-SL
DAC-SW
DAC-C
DAC-FR
DAC-FL
BTL-N
FR_FIL
FL-FIL
SW_FIL
C_FIL
SR_FIL
SL_FIL
SBR_FIL
C556
270p
C483
10u
C433
10u
C430
1u
C506
270p
C655
0.0027u
C605
0.0027u
C505
0.0027u
C555
0.0027u
C755
0.0027u
C705
0.0027u
C855
0.0027u
SBL_FIL
C805
0.0027u
C427
0.001u
C428
0.001u
C491
0.1u
C441
0.1u
C432
47p
C434
47p
C482
47p
C484
47p
C546
10u 50V
C547
10u 50V
C653
10u 50V
C603
10u 50V
C503
10u 50V
C553
10u 50V
C753
10u 50V
C703
10u 50V
C853
10u 50V
C803
10u 50V
CL417
BTL-P
CL416
CL418
CL419
CL854
CL854
CL400
CL401
CL402
CL403
CL404
CL405
CL406
CL408
CL407
CN1005
14P
1
DAC-FL
3
AGND
4
DAC-FR
5
AGND
6
DAC-C
7
AGND
8
DAC-SW
9
DAC-SL
10
AGND
11
DAC-SR
12
DAC-SBR
13
AGND
14
DAC-SBL
CN1002
19P
1
TUNER__IIC/RDS
2
TUNER_DA
3
TUNER_CE
4
TUNER_CK
5
+7V
6
R-IN
7
AGND
8
L-IN
9
-7V
10
+6V_USB
11
VCOM-SW2
12
V-SEL-SW2
13
V-SEL-SW1
14
VMUTE
15
COMP-DET
16
DCDC +3.3V
17
OPT-SAT
18
DGND
19
OPT-TV
IC420
NJM4565M(TE2)
1
BT ROut
2
BT R-
3
DM R+
4
-7V
5 BT L+
6 BT L-
7 BT LOut
8
+7V
IC413
NJM4565M(TE2)
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
R584
15k
100k
R422
100k
R423
100k
R473
100k
R472
22k
R420
C480
1u
BTR-P
CL415
22k
R470
C481
1u
BTR-N
CL414
22k
R471
C431
1u
22k
R421
15k
R534
820
R583
820
R533
1
2
3
4
5
6
7
8
C806
270p
C856
270p
C425
0.001u
C426
0.001u
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
R834
15k
15k
R884
820
R833
820
R883
1
2
3
4
5
6
7
8
C706
270p
C756
[SR]
[SL]
[R]
[L]
[C]
[SBR]
[SBL]
[SW]
270p
C421
0.001u
C422
0.001u
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
R734
15k
15k
R784
820
R733
820
R783
1
2
3
4
5
6
7
8
C606
270p
C656
270p
C423
0.001u
C424
0.001u
OUT1
-1
+1
VSS
+2
-2
OUT2
VCC
R634
15k
15k
R684
820
R633
820
R683
22
R312
22
R310
22
R311
22
R313
7.5k
R680
7.5k
R630
7.5k
R933
7.5k
R730
7.5k
R935
7.5k
R936
7.5k
R937
7.5k
R938
C257
1u
C260
0.1u
C261
100p
C262
100p
C259
1u
CL259
CL260
CL261
CL262
CL260
CL261
CL262
CN273
9P
1
TUNER_IISD
2
TUNER_VDD
3
TUNER_L/LRCK
4
TUNER_CE
5
TUNER_R/BCK
6
TUNER_GND
7
TUNER_DA
8
TUNER_IIC/RDSI
9
TUNER_CK
D202
CES521
+7V
TUNER_GND
FB202
0uH
FB203
0uH
FB204
0uH
FB205
0uH
FB206
0uH
FB207
0uH
FB209
0uH
FB208 0uH
R296
1k
R295
1k
IC234
MM1839A50NRE
1
CONT
2
GND
3
NC
VOUT
4
VIN
5
C292
10u
C290
0.1u
C291
0.1u
R250
100
R259
100
FB201
0uH
JL262
JL260
JL261
JL263
CL242
CL241
CL240
CL240
CL239
1
VOUT
2
GND
3
VCC
IC231
JSR1124
1
VOUT
2
GND
3
VCC
DIGITAL OPTICAL
RECEIVER
IC231
IC230
JSR1124
DIGITAL OPTICAL
RECEIVER
IC230
TUNER_R/BCK
TUNER_L/LRCK
LINE AMP
IC413
IC411
NJM4565M(TE2)
LINE AMP
IC411
IC410
NJM4565M(TE2)
LINE AMP
IC410
LINE AMP
IC420
IC412
NJM4565M(TE2)
LINE AMP
IC412
S
C294
0.1u
C282
0.01u
C283
0.01u
C281
0.1u
C284
0.1u
C293
0.1u
C296
0.1u
C295
1000u
6.3V
CL222
CL221
CL220
C203
35V
47u
CL257
IC233
NJM41010F1
1
OUT
2
GND
3
VCC
4
VIN1
5
VIN2
6
VSW
Q281
PMG85XP
MUTE
PROTECTION
Q282
DRC5114E0L
MUTE
PROTECTION
Q283
DRC5114E0L
MUTE
PROTECTION
4.7k
R282
YEL
YEL
YEL
CL245
CL246
CL247
CL246
CL247
J202
3P
1
2
3
4
2
3
4
75
R211
75
R213
75
R215
47p
C208
47p
C210
47p
C221
10k
R281
VIDEO
DRIVER
IC233
+5V REG.
IC234
IN 1
(SAT/CATV ASSIGNABLE)
OPTICAL
IN 2
(TV ASSIGNABLE)
VIDEO
MONIT
OR OUT
VIDEO
SA
T/CA
TV IN
VIDEO VIDEO IN
>041S
TUNER1 BOARD
CN101
(Page 56)
>042S
MAIN BOARD
(4/4)
(Page 48)
>040S
MAIN BOARD
(4/4)
(Page 48)
>002S
DIGITAL BOARD
(1/9)
CN2007
(Page 34)
>009S
DIGITAL BOARD
(1/9)
CN2006
(Page 34)
>039S
MAIN BOARD (2/4)
(Page 46)
>043S
MAIN BOARD (4/4)
(Page 48)
>044S
MAIN BOARD (4/4)
(Page 48)
STR-DN850
STR-DN850
48
48
5-23. SCHEMATIC DIAGRAM – MAIN Board (4/4) –
• See page 59 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 (4/4)
26
27
25
14
17
19
21
20
36
35
15 16
18
38
37
39
40
41
42
40
41
42
44
43
47
48
45
46
28
7
0
0
-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
-15
-7
15
7
15
7
0.7
0
G
O
I
G
O
I
G
O
I
C357
1u
C358
470p
C350
1u
C352
1u
470p
C354
470p
C359
470u
16V
C353
470u
16V
C351
470u
16V
C355
D352
GS1G
D356
P6SMB30AT3G
TUNER_GND
+7V
L
R
AUDIO
VIDEO IN
AUDIO
SUBWOOFER OUT
L
R
AUDIO
SAT/CATV IN
AUDIO
TV IN
L
R
AUDIO
SA-CD/CD IN
L
R
WHT
RED
WHT
RED
BLK
BLK
WHT
RED
WHT
RED
WHT
RED
NWR-N
DCAC-IN
NWL-P
CLK
SW
DA
TA
100p
CC58
100p
CC08
CC01
100p
CC51
100p
CC03
100p
CC53
100p
CC07
100p
CC57
100p
C450
100p
C449
100p
C489
0.0022u
C499
0.0022u
C487
0.1u
C401
0.0022u
C301
10u
50V
CL427
CL430
CL420
CL374
CL425
CL375
CL434
CL348
CL435
CL345
CL437
CL438
CL341
CL344
CL340
CL338
CL421
CL412
CL413
CL423
CL337
CL433
D301
DA2J10100L
TUNER_L/LRCK
TUNER_R/BCK
J402
4P
J401
6P
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
JW301
1
GND_1
2
TEST1
3
TEST2
4
TEST3
5
TEST4
6
TEST5
7
TEST6
8
VCC
9
DGND
10
DA
11
CL
12
VEE
13
OUTFR
14
OUTFL
15
OUTSW
16
OUTC
17
OUTSR
18
OUTSL
19
OUTSBR
20
OUTSBL
21
GND_21
22
GND_22
23
SUB2L
24
SUB2R
25
RECL3
26
RECR3
27
RECL2
28
RECR2
29
RECL1
30
RECR1
31
GND_31
32
TEST7
33
TEST8
34
TEST9
35
TEST10
36
TEST11
37
TEST12
38
TEST13
39
TEST14
40
GND_40
41
INL12
42
INR12
43
INL1
1
44
INR1
1
45
INL10
46
INR10
47
INL9
48
INR9
49
INL8
50
INR8
51
INL7
52
INR7
53
INL6
54
INR6
55
INL5
56
INR5
57
INL4
58
INR4
59
INL3
60
INR3
61
INL2
62
INR2
63
INL1
64
INR1
65
GND_65
66
SBLIN
67
SBRIN
68
SLIN
69
SRIN
70
CIN
71
SWIN
72
FLIN
73
FRIN
74
GND_74
75
ADCR
76
ADCL
77
GND_77
78
SUB1R
79
SUB1L
80
GND_80
Q301
2PD601ART
RELAY
DRIVER
R302
100
1k
R408
1k
R457
1k
R407
1k
R453
1k
R403
1k
R641
1k
R640
1k
R458
1k
R301
0
R986
0
R985
0
R443
0
R442
100k
R307
47k
R304
10k
R308
1k
R309
RY301
12V
31
32
33
33
34
W002
IC421
BD3470KS2
DIR FUNCTION
SELECT
IC421
IC352
KIA7907F-RTF/P
-7V REG.
IC352
IC350
KIA7807AF-RTF/P
+7V REG.
IC350
IC351
KIA7807AF-RTF/P
+7V REG.
IC351
>033S
MAIN BOARD (1/4)
(Page 45)
>043S
MAIN BOARD (3/4)
(Page 47)
>040S
MAIN BOARD (3/4)
(Page 47)
>035S
MAIN BOARD (2/4)
(Page 46)
>042S
MAIN BOARD (3/4)
(Page 48)
>044S
MAIN BOARD (3/4)
(Page 47)
Ver. 1.2
Click on the first or last page to see other STR-DN850 service manuals if exist.