Schematic Diagram - Main Board (1/7) - Sony STR-DH550 Service Manual

STR-DH550/DH750
Ver. 1.1
5-9. SCHEMATIC DIAGRAM – MAIN Board (1/7) –
1 2 3
MAIN BOARD (1/7)
A
B
R551
L550
R544
0
0.01u
C548 C578
C
0.022u
0.1u
C545
47u 35V
Q555
MSB92T1G
CURRENT DETECT
D536
0 -0.7
DZ2J051M0L
R565
R547
C551 0
6.8k
D 220p
R549 R548
22k 22k
R552 R558
4.7k 6.2k
Q550
MN2488-OPY-MK
BOOSTER
TH252 58 0
TH251
E
10k 10k C
3.3V_TH
C +VE
E
B
1.1
>001S
C592
47p
MAIN
CL378
BOARD D-GND
R554
100 R555
CL379
(5/7) TEMP-SENSOR-2 22k
CL380
TEMP-SENSOR-1
(Page 28) R556
F CL381
2.2k
LIMITER
CL382
PROTECT
CL383
R381
HP-DETECT
6.8k
Q552
2SA1162-G
1.1
LIMITER
C558
47u 35V
G
R579
56k
DA2J10100L
Q570 0.1
0.6 B B
E
H
C C
C581
0.1 -57
4p
C570
R576
3300p
470
R575
R577
2.2k
2.2k
I
D571
DA2J10100L
D572
DA2J10100L
J
K
STR-DH550/DH750
4 5 6 7
DH750
[C] [SBR]
R568 R868
47k 47k
R850 R851 R800
L850 L800
10 4.7 10 4.7
R559 R859
100k 100k
C554 C854
0.01u
R569 C878 R869 C828
0.022u 0.022u
68k 68k
R557 R857
47k 47k
Q855 Q805
R564 MSB92T1G R864 MSB92T1G
15k 15k
CURRENT DETECT CURRENT DETECT
-0.7 -59 0 -0.7 -0.7 -59 0
R865
Q854
1.5k 1.5k
MSB92T1G
0 C851 0 0 C801
Q554
CURRENT
MSB92T1G 220p 220p
DETECT
CURRENT
R553 R853
0.22 DETECT 0.22
R852 R858 R802
4.7k 6.2k 4.7k
Q551 Q850 Q851 Q800
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK
BOOSTER BOOSTER BOOSTER BOOSTER
-58 0 58 0 -58 0 58
E E E E
C C C C
C -VE SBR +VE SBR -VE
B B B B
-1.1 1.1 -1.1 1.1
C591 C892 C891
47p 47p
47p
R854 R804
R567 R867
R566 100 R855 R866 100
100 100
560 22k 560
R856
CL550 CL850
-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
CL551 6.8k CL851
Q802
CL552 CL852
Q852
2SA1162-G
1.1
-1.1 2SA1162-G -1.1 LIMITER
LIMITER
C858
47u 35V
R879
R573 R574 R873 R874 R824
D570 56k D870
220 220 220 220 220
59 DA2J10100L 59 59
Q870
0.1
-57 R570 59 0.6 B B -57 R870 59
1.1 E 1.1 1.1
4.7k 4.7k
C C
Q572 Q872 Q822
C881
KTA1024-Y KTA1024-Y KTA1024-Y
R571 0.1 -57 R871
4p
4.7k PWR AMP. 4.7k PWR AMP. PWR AMP.
C586 R572 C886 R872
47p 4.7k 47p 4.7k
C870
R876
16.3 16.3
Q574 Q874
3300p
470
KTC3206-Y KTC3206-Y
PWR AMP. PWR AMP.
-56.4 -56.4
R875
R877
-57 -57
Q575 2.2k Q875
2.2k
KTC3206-Y KTC3206-Y
PWR AMP. PWR AMP.
D871
-1.1 -1.1
-57 -57 -1.1
DA2J10100L
R578 D872 R878
270 DA2J10100L 270
-56.4 -56.4
C835
C585 C885
47p 47p
C564 C582 C862 C882 C812
4p 4p
100p 100p 100p
R561 R562 R861 R862 R811
68k 68k 68k 68k 68k
R560 R563 R860 R863 R810
1k 2.2k 1k 2.2k 1k
C560 C563 C860 C863 C810
10u 50V 220u 10V 10u 50V 220u 10V 10u 50V
[C]
[SBR] [SBL]
15 16 17
8 9 10
[SBL] [FR]
R818 R668
47k 47k
R801 R650 R651 R750
L650
10 4.7 10 4.7
R809 R659
100k 100k
C804 C654
0.01u 0.01u
R819 C678 R669
0.022u
68k 68k
R807 R657
47k 47k
Q655
R814 MSB92T1G R664
15k 15k
CURRENT DETECT
-0.7 -0.7 -59 0 -0.7 -0.7 -59
R815 R665
Q804 Q654
1.5k 1.5k
MSB92T1G MSB92T1G
0 0 C651 0 0
CURRENT CURRENT
220p
DETECT DETECT
R803 R653
0.22 0.22
R808 R652 R658
6.2k 4.7k 6.2k
Q801 Q650 Q651
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER BOOSTER
0 -58 0 58 0 -58 0
E E E
C C C
SBL +VE SBL -VE FR +VE FR -VE
B B B
-1.1 1.1 -1.1
C842 C841 C692 C691
47p 47p
47p 47p
R654
R817 R667
R805 R816 100 R655 R666
100 100
22k 560 22k 560
R806 R656
CL800 CL650
2.2k -0.6 2.2k -0.6
Q803 Q653
2SD2114K 2SD2114K
R383 -1.1 LIMITER R384 -1.1 LIMITER
0.4 0.4 0.4 0.4
6.8k CL801 6.8k CL651
Q652
CL802 CL652
2SA1162-G
1.1 1.1
-1.1 LIMITER -1.1
C808 C658
47u 35V 47u 35V
Q570, Q620, Q670, Q720, Q770, Q820, Q870
HN4A06J-GRBL (TE85R)
PWR AMP.
R829 R679
R823 R673 R674
D820 56k 56k D670
220 220 220
DA2J10100L DA2J10100L 59
Q820 Q670
0.1 0.1
59 R820 -57 B B 0.6 0.6 B B -57 R670 59
E E 1.1
4.7k 4.7k
C C C C
Q672
C831 C681
KTA1024-Y
R821 -57 0.1 0.1 -57 R671
4p 4p
4.7k 4.7k PWR AMP.
R822 C836 C686 R672
4.7k 47p 47p 4.7k
C820 C670
R826 R676
16.3 16.3
Q824 Q674
3300p 3300p
470 470
KTC3206-Y
KTC3206-Y
PWR AMP.
PWR AMP.
-56.4 -56.4
R825 R675
R827 R677
-57 -57
Q825 2.2k 2.2k Q675
2.2k 2.2k
KTC3206-Y KTC3206-Y
PWR AMP. PWR AMP.
D821 D671
-57 -1.1
-57
DA2J10100L DA2J10100L
R828 D822 D672 R678
270 DA2J10100L DA2J10100L 270
-56.4 -56.4
47p C685 47p
C662
100p
C832 C682
4p 4p
R661
R812 R662
68k
68k 68k
R813 R663 R660
2.2k 2.2k 1k
C813 C663 C660
220u 10V 220u 10V 10u 50V
[FR]
18
MAIN BOARD (3/7)
>003S
(Page 26)
24 24
11 12 13 14
SR_OUT
[SR] [FL]
R768 R618
47k 47k
R751 R600 R601 R700
L750
L600
10 4.7 10
R759 R609
100k 100k
C754 C604
0.01u 0.01u
C778 R769 C628 R619
0.022u 0.022u
68k 68k
R757 R607
47k 47k
Q755 Q605
MSB92T1G R764 MSB92T1G R614
15k 15k
CURRENT DETECT CURRENT DETECT
0 -0.7 -0.7 -59 0 -0.7 -0.7 -59
R765 R615
Q754
1.5k 1.5k
MSB92T1G
C751 0 0 C601 0 0
Q604
CURRENT
220p 220p
MSB92T1G
DETECT
R753 R603
CURRENT
0.22 0.22
DETECT
R752 R758 R602 R608
4.7k 6.2k 4.7k 6.2k
Q750 Q751 Q600 Q601
MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER BOOSTER BOOSTER
58 0 -58 0 58 0 -58 0
E E E E
C C C C
SR +VE SR -VE FL +VE FL -VE
B B B B
1.1 -1.1 1.1 -1.1
C642
C792 C791 C641
47p 47p 47p 47p
R754 R604
R767 R617
100 R755 R766 100 R605 R616
100 100
22k 560 22k 560
R756 R606
CL750 CL600
2.2k -0.6 2.2k -0.6
Q753 Q603
2SD2114K 2SD2114K
R385 -1.1 LIMITER R386 -1.1 LIMITER
0.4 0.4 0.4 0.4
6.8k CL751 6.8k CL601
Q752 Q602
CL752 CL602
2SA1162-G 2SA1162-G
1.1 1.1
LIMITER -1.1 LIMITER -1.1
C758 C618
47u 35V 47u 35V
R629 R779
R624 R623 R773
D620 56k 56k D770
220 220 220
59 DA2J10100L DA2J10100L
Q620 Q770
0.1 0.1
59 R620 -57 B B 0.6 0.6 B B -57 R770 59
1.1 E E
4.7k 4.7k
C C C C
Q622
C631 C781
KTA1024-Y
R621 -57 0.1 0.1 -57 R771
4p 4p
PWR AMP. 4.7k 4.7k
R622 C636 C786 R772
4.7k 47p 47p 4.7k
C620 C770
16.3 R626 R776
16.3
Q624
3300p 3300p
470 470
KTC3206-Y
KTC3206-Y
PWR AMP.
PWR AMP.
-56.4 -56.4
R625 R775
R627 R777
-57 -57
Q625 2.2k 2.2k
2.2k 2.2k
KTC3206-Y
KTC3206-Y
PWR AMP.
PWR AMP.
D621 D771
-57
-1.1 -57
DA2J10100L DA2J10100L
R628 D622 D772 R778
270 DA2J10100L DA2J10100L 270
-56.4
C635 47p
C612
100p
C632 C762
4p C988 C987
100p
22u 22u
R611
100V 100V
R761
68k R612
68k
68k
R610 R613 R760
1k 2.2k 1k
R543 R542
0.47 0.47
C610 C613 C760
10u 50V 220u 10V 10u 50V
[FL] [SR]
19 20 21
15 16 17
1
2
>002S
3
4
5
MAIN
6
7
BOARD
8
9
(2/7)
10
11 (Page 25)
12
13
14
[SL]
R718
47k
R701
L700
4.7 10
R709
100k
C704
0.01u
C728 R719
0.022u
68k
R707
47k
Q705
MSB92T1G R714
15k
CURRENT DETECT
0 -0.7 -0.7 -59
R715
Q704
1.5k
MSB92T1G
C701 0 0
CURRENT
220p
DETECT
R703
0.22
R702 R708
4.7k 6.2k
Q700 Q701
MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER
58 0 -58 0
E E
C C
SL +VE SL -VE
B B
1.1 -1.1
C742 C741
47p
47p
R704
R717
100 R705 R716
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 35V
R729
R774 R724 R723
D720 56k
220 220 220
59 59 DA2J10100L
0.1 Q720
59 R720 -57 B B 0.6
1.1 1.1 E
4.7k
C C
Q772 Q722
C731
KTA1024-Y KTA1024-Y
R721 -57 0.1
4p
XX PWR AMP. 4.7k
R722 C736
4.7k 47p
C720
16.3 R726
Q774 Q724
3300p
470
KTC3206-Y
PWR AMP.
-56.4
R725
R727
-57
2.2k
Q775 Q725 2.2k
KTC3206-Y
PWR AMP.
D721
-1.1 -57
-1.1
DA2J10100L
R728
D722
270
-56.4 -56.4 DA2J10100L
C735 47p
C785
47p
C782 C712 C732
4p 4p
100p
R762 R711
R712
68k 68k
68k
R763 R710 R713
2.2k 1k 2.2k
C763 C710 C713
220u 10V 10u 50V 220u 10V
[SL]
22 23 24 25
MAIN BOARD (2/7)
>004S
(Page 25)