Schematic Diagram - Main Board (1/4) - Sony STR-DN850 Service Manual

5-20. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
1 2 3
MAIN BOARD
(1/4)
A
B
R550
L550
4.7
R544
0
C548 C578
0.1u 0.022u
C545
C 47u 25V
Q555
MSB92T1G
CURRENT DETECT
D536
0 -0.7
DZ2J051M0L
R547
C551 0
6.8k
220p
R549 R548
22k 22k
R558
R552
6.2k
4.7k
D
Q550
MN2488-OPY-MK
BOOSTER
58
C E
B
1.1
E C592
47p
R554
R555
100
R556
R381
F
Q552
2SA1162-G
LIMITER
G
R579
56k
Q570 0.1 R570
H -57
0.6 4.7k
B E B
C C
R571
C581
4.7k
4p 0.1 -57
C586
47p
C570
R576
3300p
470
-56.4
R575 R577
2.2k 2.2k
I
D572
DA2J10100L
D571 R578
DA2J10100L 270
C564
J
100p
R561
68k
K
STR-DN850
4 5 6
[SL] [SBR]
R568 R868
47k 47k
R551 R850 R851 R800
L850
10 4.7 10 4.7
R559 R859
100k 100k
C554 C854
0.01u 0.01u
R569 C878 R869
68k 0.022u 68k
R557 R857
47k 47k
Q855
R564 R864
MSB92T1G MSB92T1G
15k CURRENT DETECT 15k CURRENT DETECT
-0.7 -59 0 -0.7 -0.7 -59 0
R565 R865
Q554
Q854
1.5k 1.5k
MSB92T1G
MSB92T1G
0 0
C851 0 C801
CURRENT
CURRENT
220p 220p
DETECT DETECT
R480 R481
0.22 0.22
R858
R852 R802
6.2k
4.7k 4.7k
Q551 Q851
Q850
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK
BOOSTER BOOSTER BOOSTER BOOSTER
0 -58 0 58 0 -58 0 58
C E C E C E C
C -VE SBR -VE
C +VE SBR +VE
B B B
-1.1 1.1 -1.1
C591 C892 C891
47p 47p 47p
R854 R804
R567 R867
R566 R855 R866
100 100
100 100
22k 560 22k 560
R856
CL550 CL850
2.2k -0.6 2.2k -0.6
Q553 Q853
2SD2114K 2SD2114K
-1.1 LIMITER R382 -1.1 LIMITER
0.4 0.4
0.4 0.4
6.8k CL551 CL552 6.8k CL851 CL852
Q852 Q802
2SA1162-G 2SA1162-G
1.1 1.1
-1.1 LIMITER -1.1 LIMITER
C558 C858
47u 25V 47u 25V
R873 R823
R573
R874 R824
R574
220
220 R879 220
220 220
220
56k
59 59 59
Q870
59 0.1 R870 59
1.1 1.1 1.1
0.6 B B -57 4.7k
E
Q572 Q872 Q822
C C
KTA1024-Y R871 KTA1024-Y KTA1024-Y
C881
PWR AMP. 4.7k PWR AMP. PWR AMP.
4p 0.1 -57
R572 C886 R872 R822
47p
4.7k 4.7k 4.7k
C870
R876
16.3 16.3 16.3
Q574 Q874
3300p Q824
470
KTC3206-Y KTC3206-Y KTC3206-Y
PWR AMP. PWR AMP. PWR AMP.
-56.4
R875 R877
-57 -57
Q575
2.2k 2.2k Q875 Q825
KTC3206-Y
KTC3206-Y KTC3206-Y
PWR AMP. PWR AMP.
PWR AMP.
D871
-57 -1.1 -57 -1.1 -1.1
DA2J10100L
D872 R878
DA2J10100L 270
-56.4 -56.4 -56.4
C882 C832
C585 C885
C835
12p
12p
47p 47p
47p
R947
R950
C582
68k C862 C812 68k
12p
100p 100p
R944
68k
R861 R811
R946
R942 R943 R945 68k 68k R948
2.2k
1k 2.2k 1k 1k
C560 C563 C860 C810
C863
10u 220u 220u 10u 10u
10V
50V 10V 50V 50V
[SL] [SBR] [SBL]
14 15 16
7 8 9 10
[SBL] [SR]
R818 R668
47k 47k
R801 R650 R651
L800 L650
10 4.7 10
R809 R659
100k 100k
C804 C654
0.01u 0.01u
C828 R819 C678 R669
0.022u 68k 0.022u 68k
R807 R657
47k 47k
Q805 Q655
R814 R664
MSB92T1G
15k CURRENT DETECT 15k
-0.7 -0.7 -59 0 -0.7 -0.7 -59
R815 R665
Q804
1.5k 1.5k
MSB92T1G
0 0 Q654
0 C651 0
CURRENT
MSB92T1G
220p
DETECT
CURRENT
R482 R483
DETECT
0.22 0.22
R808 R658
R652
6.2k 6.2k
4.7k
Q801 Q651
Q800 Q650
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER BOOSTER
0 -58 0 58 0 -58 0
E C E C E C E
FR -VE
SBL +VE SBL -VE FR +VE
B B B B
1.1 -1.1 1.1 -1.1
C842 C841 C692 C691
47p 47p 47p 47p
R654
R817 R667
R805 R816 R655 R666
100
100 100
22k 560 22k 560
R806 R656
CL800 CL650
2.2k -0.6 2.2k -0.6
Q803 Q653
2SD2114K 2SD2114K
LIMITER LIMITER
R383 -1.1 R384 -1.1
0.4 0.4
0.4 0.4
6.8k CL801 6.8k CL651
Q652 CL652
CL802
2SA1162-G
1.1 1.1
-1.1 LIMITER -1.1
C808 C658
47u 25V 47u 25V
Q570, Q620, Q670,
Q720, Q770, Q820,
Q870
HN4A06J-GRBL (TE85R)
PWR AMP.
R673
R674
220
R829 R679
220
56k 56k
59
59 R820 0.1 Q820 Q670 0.1 R670 59
1.1
4.7k -57 B B 0.6 0.6 B B -57 4.7k
E E
Q672
C C C C
R821 R671 KTA1024-Y
C831 C681
4.7k 4.7k PWR AMP.
-57 0.1 4p 4p 0.1 -57
C836 C686 R672
47p 47p
4.7k
C820 C670
R826 R676
16.3
Q674
3300p 3300p
470 470
KTC3206-Y
PWR AMP.
-56.4 -56.4
R827 R825 R675 R677
-57 -57
2.2k 2.2k 2.2k 2.2k Q675
KTC3206-Y
PWR AMP.
D821 D671
-57 -57 -1.1
DA2J10100L DA2J10100L
R828 D822 D672 R678
270 DA2J10100L DA2J10100L 270
-56.4
C682
C685
12p
47p
R662
C662 C612
68k
100p 100p
R661 R611
R949 R681 R686
68k 68k
2.2k 2.2k 1k
C813 C680
C683
220u 220u 10u
10V
10V 50V
[SR] C684 C634
10p 10p
17 18
>033S
MAIN BOARD (4/4)
(Page 48)
45 45
11 12 13
[FR] [FL]
R768 R618
47k 47k
R750 R751 R600 R601
L750 L600
4.7 10 4.7 10
R759 R609
100k 100k
C754 C604
0.01u 0.01u
C778 R769 C628 R619
0.022u 68k 0.022u 68k
R757 R607
47k 47k
Q755 Q605
R764 R614
MSB92T1G MSB92T1G
CURRENT DETECT 15k CURRENT DETECT 15k
0 -0.7 -0.7 -59 0 -0.7 -0.7 -59
R765 R615
1.5k 1.5k
0 0 Q604
C751 0 Q754 C601 0
MSB92T1G
220p MSB92T1G 220p
CURRENT
R484 CURRENT R485
DETECT
0.22 DETECT 0.22
R758 R608
R752 R602
6.2k 6.2k
4.7k 4.7k
Q751 Q601
Q750 Q600
MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER BOOSTER BOOSTER
58 0 -58 0 58 0 -58 0
C E C E C E C E
SR -VE FL -VE
SR +VE FL +VE
B B B B
1.1 -1.1 1.1 -1.1
C792 C791 C642 C641
47p 47p 47p 47p
R754 R604
R767 R617
R755 R766 R605 R616
100 100
100 100
22k 560 22k 560
R756 R606
CL750 CL600
2.2k -0.6 2.2k -0.6
Q753 Q603
2SD2114K
2SD2114K
LIMITER
LIMITER
R385 -1.1 R386 -1.1
0.4 0.4
0.4 0.4
6.8k CL751 6.8k CL601
Q752 CL752 Q602 CL602
2SA1162-G 2SA1162-G
1.1 1.1
LIMITER -1.1 LIMITER -1.1
C758 C618
47u 25V 47u 25V
R623 R773
R624 R774
220 220
R629 R779
220 220
56k 56k
59 59
59 R620 0.1 Q620 Q770 0.1 R770 59
1.1 1.1
-57 -57
4.7k B B 0.6 0.6 B B 4.7k
E E
Q622 Q772
C C C C
KTA1024-Y R621 R771 KTA1024-Y
C631 C781
PWR AMP. 4.7k 4.7k PWR AMP.
-57 0.1 4p 4p 0.1 -57
R622 C636 C786 R772
47p 47p
4.7k 4.7k
C620 C770
R626 R776
16.3 16.3
Q624 Q774
3300p 3300p
470 470
KTC3206-Y KTC3206-Y
PWR AMP. PWR AMP.
-56.4 -56.4
R627 R625 R775 R777
-57 -57
Q625
2.2k 2.2k 2.2k 2.2k Q775
KTC3206-Y
KTC3206-Y
PWR AMP.
PWR AMP.
D621 D771
-1.1 -57 -57 -1.1
DA2J10100L DA2J10100L
R68 D622 D772 R778
270 DA2J10100L DA2J10100L 270
-56.4 -56.4
C782
C785
C635 C632
12p
12p 47p
47p
R790
R690
68k
68k
C984 C983
22u 22u
R642 100V 100V R792 R791
R691
2.2k 2.2k 1k
1k
C610 R546 R545 C763 C760
C613
10u 220u 0.47 0.47 220u 10u
10V
50V 10V 50V
[FL] [FR]
19 20
STR-DN850
Ver. 1.1
14 15 16 17
1
2
3
>032S
4
5
6
MAIN BOARD
7
8
(2/4)
9
10
(Page 46)
11
12
13
[C]
R718
47k
R700 R701
L700
4.7 10
R709
100k
C704
0.01u
C728 R719
0.022u 68k
R707
47k
Q705
R714
MSB92T1G
CURRENT DETECT 15k
0 -0.7 -0.7 -59
R715
Q704
1.5k
MSB92T1G
0
C701 0
CURRENT
220p
DETECT
R486
0.22
R708
R702
6.2k
4.7k
Q701
Q700
MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER
58 0 -58 0
C E C E
SL +VE SL -VE
B B
1.1 -1.1
C742 C741
47p 47p
R704
R717
R705 R716
100
100
22k 560
R706
CL700
2.2k -0.6
Q703
2SD2114K
R387 -1.1 LIMITER
0.4
0.4
6.8k CL701
Q702 CL702
2SA1162-G
1.1
LIMITER -1.1
C708
47u 25V
R723
R724
220 R729
220
56k
59
Q720
59 R720 0.1
1.1
-57
4.7k B B 0.6
E
Q722
C C
KTA1024-Y R721
C731
PWR AMP. 4.7k
-57 0.1 4p
R722 C736
47p
4.7k
C720
R726
16.3
Q724
3300p
470
KTC3206-Y
PWR AMP.
-56.4
R727 R725
-57
Q725 2.2k 2.2k
KTC3206-Y
PWR AMP.
D721
-1.1 -57
DA2J10100L
R728
D722
270
-56.4 DA2J10100L
C732
C735
12p
47p
R740
C762 C712 68k
100p 100p
R761 R710
R741 R742
68k 68k
1k 2.2k
C710 C713
10u 220u
50V 10V
[C]
21 22 23 24
>034S
MAIN BOARD (2/4)
(Page 46)