Schematic Diagram - Main Board (1/4) - Sony STR-DN840 Service Manual

STR-DN840
5-19. SCHEMATIC DIAGRAM – MAIN Board (1/4) –
1 2 3
MAIN BOARD
(1/4)
A
[C]
R568
R550
R544 L550
47k
C548 4.7
0 1.7uH
B 0.1
R559
C545
100k
47
R551 C554
25V
10 0.01
D536 R569
C578 R564
68k
DZ2J051M0L 15k
0.022
Q554
Q555
R547
C 2SA1514KT146S 2SA1514KT146S
6.8k R565
CURRENT DETECT CURRENT DETECT
1.5k
0 -1.6 -1.6 -62
R549 R548
C551 0 0
22k 22k
220p
R553
R552 0.22
4.7k
R558
6.2k
D
C +VE C -VE
Q550 Q551
MP1620-OPY-MK
MN2488-OPY-MK
BOOSTER
BOOSTER
B C E B C E
1 2 3 1 2 3
1 62 0 -1 -62 0
E
C592
C591
47p
47p
R554 R567
R566
R555
100 100
560
22k
R556
2.2k
CL550
-0.6
Q553
F
2SD2114K
LIMITER
R381 -1
0.4
6.8k CL551
CL552
0.4
Q552
2SA1162-G
LIMITER 1 -1
C558 47 25V
G Q570, Q870
HN4A06J-GRBL (TE85R)
R579
56k R573 R574
220 220
D570
61
DA2J10100L
Q570
0
0.5 -60 61
R570 1.1
H
4.7k
C581 Q572 C881
4p KTA1024-Y 4p
0 -60 R571
PWR AMP .
4.7k
Q575
R572
KTC3206-Y
4.7k
PWR AMP .
-1
C586
47p
C570 -60
R576
15
-60
3300p
470
-60
I
R575 R577 -60
Q574
2.2k 2.2k
KTC3206-Y C585
PWR AMP . 47p
R578
D571 D572 270
DA2J10100L
DA2J10100L
C582 4p
R580 68k
J
C564 100p
R561 68k
R587 R588
1k 2.2k
C563
C560
220 10V
10 50V
[C]
K
16 17
3
MAIN BOARD (3/4)
(Page 40)
STR-DN840
4 5 6 7
[SBR] [SBL]
R868
R850 R800
L850 L800
47k
4.7 4.7
1.7uH
1.7uH
R859 R809
100k 100k
R851 C854 R801 C804
10 0.01 10 0.01
R869
C878 R864 C828 R814
68k
15k 15k
0.022 0.022
Q854
Q855 Q805
2SA1514KT146S 2SA1514KT146S 2SA1514KT146S
R865 R815
CURRENT DETECT CURRENT DETECT CURRENT DETECT CURRENT DETECT
1.5k 1.5k
0 -1.6 -1.6 -62 0 -2
C851 0 0 C801 0
220p 220p
R853 R803
R852 0.22 R802 0.22
4.7k 4.7k
R858 R808
6.2k 6.2k
SBR +VE SBR -VE SBL +VE
Q850 Q851 Q800
MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
BOOSTER
BOOSTER BOOSTER BOOSTER
B C E B C E B C E B
1 2 3 1 2 3 1 2 3 1
1 62 0 -1 -62 0 1 62 0 -1
C892 C891 C842
47p 47p 47p
R854 R867 R804
R866 R816
R855 R805
100 100 100
560 560
22k 22k
R856 R806
2.2k 2.2k
CL850 CL800
-0.6 -0.6
Q853
2SD2114K
LIMITER
R382 -1 R383 -1
0.4 0.4
6.8k CL851 6.8k CL801
CL852 CL802
0.4 0.4
Q852 Q802
2SA1162-G 2SA1162-G
LIMITER 1 -1 LIMITER 1 -1
C858 47 25V C808 47 25V
PWR AMP .
R879 R829
56k R873 R874 R824 R823 56k
220 220 220 220
D870 D820
62 61
DA2J10100L DA2J10100L
Q870 Q820
0 0
61
61
0.5 -60 R870 1.1 1.1 R820 -60 0.5
4.7k 4.7k
Q872 Q822
C831
KTA1024-Y KTA1024-Y
R871 R821
-60 0
0 PWR AMP . PWR AMP . -60
4.7k 4.7k
Q875 Q825
R872 R822
KTC3206-Y KTC3206-Y
4.7k 4.7k
PWR AMP . PWR AMP .
C886 C836
0 -1
47p 47p
C870 C820
R876 R826
15 15
-60 -60
3300p 3300p
470 470
-60 -60 -60
-60
R875 R825
R877 -60 -60 R827
Q874 Q824
2.2k 2.2k 2.2k 2.2k
KTC3206-Y C885 C835 KTC3206-Y
PWR AMP . 47p 47p PWR AMP .
R878
R828
D872 D822
D871 270 D821
270
DA2J10100L DA2J10100L
DA2J10100L DA2J10100L
C882 4p C832 4p
C862 100p C812 100p
R889 68k R839 68k
R861 68k R811 68k
R888 R887 R837 R838
2.2k 1k 1k
C813
C860 C810
C863
220 10V
10 50V 10 50V
220 10V
[SBL]
[SBR]
18 19
8 9 10
[FR] [SR]
R818 R668
R650 R750
L650 L750
47k 47k
4.7 4.7
1.7uH 1.7uH
R659
100k
R651 C654 R751 C754
10 0.01 10 0.01
R819 R669
C678 R664 C778
68k 68k
15k
0.022 0.022
Q804 Q654
Q655 Q755
2SA1514KT146S 2SA1514KT146S 2SA1514KT146S 2SA1514KT146S
R665
CURRENT DETECT CURRENT DETECT CURRENT DETECT
1.5k
-2 -62 0 -1.8 -2 -62 0 -1.8
0 C651 0 0 C751 0
220p 220p
R653
R652 0.22 R752
4.7k 4.7k
R658 R758
6.2k 6.2k
SBL -VE FR +VE FR -VE SR +VE
Q801 Q650 Q651 Q750
MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK
BOOSTER BOOSTER
BOOSTER
C E B C E B C E B C E
2 3 1 2 3 1 2 3 1 2 3
-62 0 1 62 0 -1 -62 0 1 62 0
C841 C692 C691 C792
47p 47p 47p 47p
R817 R654 R667 R754
R666
R655 R755
100 100 100 100
560
22k 22k
R656 R756
2.2k 2.2k
CL650
-0.6
Q803
Q653
2SD2114K
2SD2114K
LIMITER
LIMITER
R384 -1 R385
0.4
6.8k CL651 6.8k CL751
CL652
0.4 0.4
Q652 Q752
2SA1162-G 2SA1162-G
LIMITER 1 -1 LIMITER 1 -1
C658 47 25V
C758 47 25V
Q620, Q670, Q820
HN4A06J-GRBL (TE85R)
PWR AMP .
R679
56k R673 R674 R624 R623
220 220 220 220
D670 D620
61
61
DA2J10100L DA2J10100L
Q670
0
61
0.5 -60 1.1 61 -60
R670 1.1 R620
4.7k 4.7k
Q622
Q672
C681
KTA1024-Y KTA1024-Y
4p 4p
-60 R671 R621
0 PWR AMP . PWR AMP .
4.7k 4.7k
Q675 Q625
R672 R622
KTC3206-Y KTC3206-Y
4.7k 4.7k
PWR AMP . PWR AMP .
C686 C636
-1 -1
47p 47p
C670
R676
16 15
-60 -60
3300p
470
-60 -60
-60 -60
R675
R677 -60 -60
Q674 Q624
2.2k 2.2k
KTC3206-Y C685 C635 KTC3206-Y
PWR AMP . 47p 47p PWR AMP .
R678 R628
D622
D672
D671
270 270
DA2J10100L DA2J10100L
DA2J10100L
C682 4p
R689 68k
C662 100p C612 100p
R661 68k R611 68k
R688
2.2k
2.2k
R687 R637
1k 1k
C663
220 10V C660
C610
10 50V
10 50V
[FL]
[FR]
20 21 22
4
MAIN BOARD (4/4)
(Page 41)
38 38
11 12 13
[FL]
R768 R618
R600 R700
L600 L700
47k 47k
4.7 4.7
1.7uH 1.7uH
R759 R609
100k 100k
R601 C604 R701
10 0.01 10
R769 R619
R764 C628 R614 C728
68k 68k
15k 15k
0.022 0.022
Q754 Q604
Q605 Q705
2SA1514KT146S 2SA1514KT146S 2SA1514KT146S 2SA1514KT146S
R765 R615
CURRENT DETECT CURRENT DETECT CURRENT DETECT CURRENT DETECT
1.5k 1.5k
-2 -62 0 -1.6 -1.6 -62 0 -1.6
0 C601 0 0 C701 0
220p 220p
R753 R603
0.22 R602 0.22 R702
4.7k 4.7k
R608 R708
6.2k 6.2k
SR -VE FL +VE FL -VE SL +VE
Q751 Q600 Q601 Q700
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK
BOOSTER
BOOSTER BOOSTER BOOSTER
B C E B C E B C E B C E
1 2 3 1 2 3 1 2 3 1 2 3
-1 -62 0 1 62 0 -1 -62 0 1 62 0
C791 C642 C641 C742
47p 47p 47p 47p
R767 R604 R617 R704
R766 R616
R605 R705
100 100 100 100
560 560
22k 22k
R606 R706
2.2k 2.2k
CL750 CL600
-0.6 -0.6
Q753 Q603
2SD2114K 2SD2114K
LIMITER LIMITER
-1 R386 -1 R387
0.4 0.4
6.8k CL601 6.8k
CL752 CL602
0.4
Q602
Q702
2SA1162-G
2SA1162-G
LIMITER
1 -1 1
LIMITER
C708
C618 47 25V
R629 R779
56k 56k R773 R774
220 220
D770
61
Q770 0 DA2J10100L
Q620
0
0.5 -60
0.5 61
R770 1.1
C781
4.7k
C631 Q772
4p
0 -60
4p KTA1024-Y
0
-60 R771
PWR AMP .
4.7k
Q775
R772
KTC3206-Y KTC3206-Y
4.7k
PWR AMP . PWR AMP .
C786
-1
47p
C620 C770
R626 R776
15
3300p 3300p
470 470 -60 -60
-60
-60
R627 R625 R775 R777 -60
Q774
2.2k 2.2k 2.2k 2.2k
KTC3206-Y C785 C735
PWR AMP . 47p
R778
D772
D621 D771 270
DA2J10100L
DA2J10100L DA2J10100L
C632 4p
C762
R639 68k
C782 4p
R761
R789 68k
R787
R788
1k
R638
2.2k
2.2k
C763 C760
C613
220 10V 10 50V
R542 R543
220 10V
4.7 4.7
[SR]
23
14 15 16 17
1
2
3 MAIN
4
5 BOARD
6
1
7
(2/4)
8
9 (Page 39)
10
11
12
[SL]
R718
47k
R709
100k
C704
0.01
R719
R714
68k
15k
Q704
2SA1514KT146S
R715
CURRENT DETECT
1.5k
-1.6 -62
0
R703
0.22
SL -VE
Q701
MP1620-OPY-MK
BOOSTER
B C E
1 2 3
MAIN
-1 -62 0
BOARD
13
2
14
(2/4)
C741
15
47p
(Page 39)
R717
R716
100
560
CL700
-0.6
Q703
2SD2114K
LIMITER
-1
0.4
CL701
CL702
0.4
-1
47 25V
Q720, Q770
HN4A06J-GRBL (TE85R)
PWR AMP .
R729
R724 R723 56k
220 220
D720
61
DA2J10100L 0 Q720
-60 0.5
61
1.1 R720
C731
4.7k
Q722
4p
-60 0
KTA1024-Y
R721
PWR AMP .
4.7k
Q725
R722
4.7k
C736
-1
47p
C720
R726
15
3300p
470
-60
-60
-60 R727 R725
Q724
2.2k 2.2k
KTC3206-Y
47p
PWR AMP .
R728
270
D722 D721
DA2J10100L DA2J10100L
100p C712 100p
C732 4p
68k R711 68k
R739 68k
R737
R738
1k
2.2k
C710
C713
10 50V
220 10V
[SL]
24