Schematic Diagram - Main (2/3) Board - Sony STR-DH730 Service Manual

STR-DH730/DH830
5-26. SCHEMATIC DIAGRAM – MAIN BOARD (2/3) –
1 2
A
B
MAIN BOARD (2/3)
17
C
R550
4.7
D550
R828
D
DA2J10100L
4.7
L550 R569
1.7uH 68k
R559
C554
0.01 100k
25V
R568
47k
R557
R551
47k
10
C550
E 0.022 D551
50V DA2J10100L
Q550
R562
2SA1514KT146S R564
2SA1514KT146S
CURRENT DETECT 1.5k 15k
-59
0 -0.5 CURRENT DETECT
-0.48
Q555
2SA1514KT146S
0
0
CURRENT DETECT
C551
F
220p R513
50V
0.22
R558
R552
6.2k
4.7k
SBR +VE SBR -VE
Q553 Q554
BOOSTER BOOSTER
G
B C
E B C E
1 2 3 1 2 3
0 59.2 1.12 0 -59 -1.03
C552
C561
47p
47p
100V
R553 R567
100 R555 R566 100
H
82k
560
0.4
Q552
R556 2SD2144S-TP-V
-0.9
2.2k
LIMITER
1.1
-0.9
Q551
Q801
2SA1162-YG-TE85L 1.1 0.4
2SA1162-YG-TE85L
LIMITER
LIMITER
C558
47
25V
I
31 32 33
J
STR-DH730/DH830
3 4 5 6
11 12
D820
D870
R878
R778
DA2J10100L
DA2J10100L
4.7
4.7
R866
R816
1/4W
L828 68k
68k L878
1.7uH
1.7uH
CL394
C870
C820 R822 R872
0.01
0.01
100k 25V 100k
25V
R830
R870 R880
R820
47k R879
R829
47k 47k
47k
10
10
C829 C879
0.022
0.022
50V D811 50V D861
DA2J10100L DA2J10100L
Q811
Q861
2SA1514KT146S
R814 R815 2SA1514KT146S R864 R865
1.5k CURRENT DETECT 1.5k CURRENT DETECT
15k 15k
-58.2 0 -58.4
0 0 0 0
0
0 0 0 0
Q862
Q812
2SA1514KT146S
C811 2SA1514KT146S C861
CURRENT DETECT
CURRENT DETECT 220p
220p
R863
R813
50V
0.22 0.22
R812 R862
R811
R861
4.7k 6.2k 6.2k
4.7k
SBL +VE SBL -VE C +VE C -VE
Q853
Q503 Q504 Q854
BOOSTER BOOSTER BOOSTER BOOSTER
C B C E B C E
B E B C E
1 2 3 1 2 3 1 2 3 1 2 3
0 59.4 1.1 0 -59.4 -1 0 59.4 1.1 0 -59.4 -1
C809 C858 C859
C808
47p
47p
47p
100V 100V 100V
100V
R859 R860
R810
R809
100 100 100
100
R807 R808 R857 R858
82k 560
82k 560
-0.5 -0.5
Q802
Q852
2SD2144S-TP-V
R806 R856 2SD2144S-TP-V
0.4 0
LIMITER 2.2k
2.2k LIMITER
0.4 -0.9 0.4 -0.9
Q751
Q851
2SA1162-YG-TE85L
-0.97 0 0
1.08 2SA1162-YG-TE85L
LIMITER
LIMITER
C857
C807
47 47
25V
25V
34 35 36 37
38 39
7 8 9
13 15
CL384
CL400
R678
D770 R728
4.7 D670
DA2J10100L 4.7
1/4W DA2J10100L
R766 1/4W
R666
68k
L678
68k
L778
CL399
1.7uH
1.7uH
C770 C670 CL385
R672
R772
0.01
0.01
100k
100k
25V
25V
CL398 CL386
R679
R779 R780
R670 R680
10
10 47k 47k
47k
CL396 C679
C779 CL401
0.022
0.022
50V
50V
D661
D761
DA2J10100L
DA2J10100L CL387
CL395
Q661
Q761
R765
2SA1514KT146S
R664 R665 2SA1514KT146S
R764
15k
1.5k CURRENT DETECT 1.5k 15k CURRENT DETECT
-58.4 0 -58.6
0 0 0 0 0
CL397
0 0
0 0
Q662
Q762
2SA1514KT146S
2SA1514KT146S
C661
C761
CURRENT DETECT 220p CURRENT DETECT
220p
R663
50V 50V
R763
0.22
0.22
R762 R662
R661
R761
6.2k 4.7k 6.2k
4.7k
SR +VE SR -VE
FR +VE FR -VE
Q753 Q754 Q653 Q654
BOOSTER BOOSTER BOOSTER
BOOSTER
B C E B C E
B C E B C E
2 3 2
1 2 3 1 2 3 1 1 3
0 1.1 0 -59.4 -0.9
0 -59.3 -0.9 59.3
0 59.3 1.1
C759 C658 C659
C758
47p 47p 47p 47p
100V
100V 100V
R759 R760 R659 R660
100 100
100 100
R657 R658
R757 R758
82k 560
82k 560
-0.5
-0.5
Q652
R656
R756 0.4
0.4
2.2k
2.2k LIMITER
-1 -1
0.4 0.4
LIMITER
-1 1.1 -0.9
1.1
Q651
C657
C757
2SA1162-YG-TE85L
47
47
LIMITER
25V 25V
40 41 42 52 43 44 45
1
MAIN
BOARD
(1/3)
(Page 37)
38 38
10 11 12
14 16
CL391
D720
R628 R616
R716 D620 MC2838-T112-1
DA2J10100L
68k
68k 4.7 DA2J10100L
L728
CL390 L628
1.7uH
1.7uH
C620
R544
C720 R722
R622
0.01
0.01 0
100k
100k
25V
25V
CL383
R629
R630
R729 R730 10
R620
47k
10 47k
47k
C729 R328
C629
0.022 1k
0.022
50V
D711
50V D611
DA2J10100L
DA2J10100L
CL388
Q711
Q611
R615
R714 R715 2SA1514KT146S
15k
1.5k 15k
CURRENT DETECT CL389
-58.1
0 -0.5 0 -0.4 -0.47
0
-59
R614
1.5k
0 0 Q712 0 0
Q612
2SA1514KT146S
2SA1514KT146S
C711
CURRENT DETECT C611
CURRENT DETECT
220p
220p
50V R713 R613
0.22 0.22
R711 R712 R611 R612
4.7k 6.2k 6.2k
4.7k
FL +VE FL -VE SL +VE SL -VE
Q704
Q703 Q603 Q604
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
0 59.3 1.12 0 -59.2 -1.012 0 59.2 1.13 0 -59.2 -0.9
C709 C609
C708 C608
47p
47p 47p
47p
100V 100V
100V 100V
R709 R710 R609
R610
100 100 100 100
R707 R607 R608
R708
82k
82k 560 560
-0.5
-0.5
Q602
Q702
2SD2144S-TP-V
R606
R706 2SD2144S-TP-V 0.4
0.4
LIMITER
2.2k
2.2k
LIMITER 0.4 -0.9
0.4 -0.9
1.1 -0.9 -0.9 1.1
Q701
C707
2SA1162-YG-TE85L C607
Q601
47 47
LIMITER
2SA1162-YG-TE85L
25V
25V
LIMITER
46 47 49 50 51 53
48
13 14 15
MAIN
BOARD
2
(3/3)
(Page 39)
Q320
Q323
2SA1514KT146S
2SA1514KT146S
PROTECTOR
PROTECTOR
-58.6
-58.6
D326
R327
10k
0
0
R326
39k
C321 C320
C325
-59 0 220 220 0
10 10V
50V
3.4
-59.2 3.7 3.9
Q325 R325
Q321
6.8k
2SC2713G-TE85L 2SC3052EF-T1-LEF
PROTECTOR
PROTECTOR
Q324 D327
2SC3052EF-T1-LEF
MC2838-T112-1
PROTECTOR
C548
0.1
C545
47
25V
D536
DZ2J051M0L
R547
6.8k
1/10W
R548 R549
22k 22k
56 54 55