Schematic Diagram - Main Section (2/4) - Sony STR-DH700 Service Manual

5-12. SCHEMATIC DIAGRAM — MAIN BOARD (2/4) —
1 2 3
A
MAIN BOARD (2/4)
A1
B
A2
A3
A1
A4
A5
A6
A7
A8
A9
C
D
E
1
F
MAIN BOARD
(1/4)
(Page 28)
G
H
A10
I
A11
A12
A13
A14
A2
A15
A16
A17
A18
A19
A20
J
STR-DH700
• Refer to page 17 for Circuit Boards Location.
4 5 6
SR_OUT
FR_OUT
FL_OUT
R703 R729
R690
4.7 4.7
4.7
R741
100k
R754
R753
100k 100k
R691
10
C694 C695
C687
0.1 C689 0.1
0.01
0.01
25V
C669
0.022
R704
50V
R734 R750
10
R749
47k 15k
R736
15k
47k
C674
0.022
R689
R702
68k 68k
Q618
Q614 Q626
2SA1163L-TE85L R701 R688
2SA1163L-TE85L R687 2SA1163L-TE85L
OVERLOAD DETECT 15k 15k
OVERLOAD DETECT 1.5k OVERLOAD DETECT
0 0 0 -44.7 0 0 0 -44.7 0
R700
Q619
1.5k 2SA1163L-TE85L
0 0 0 0
OVERLOAD DETECT
Q615
CP603 2SA1163L-TE85L
C668 C683
C673 0.22 OVERLOAD DETECT
220p 220p
220p
CP604 50V
50V
0.22
R686
R698 R699 R685 R724
6.2k 6.2k
4.7k 4.7k 4.7k
IC612 IC613 IC610 IC611 IC616
IC612 IC613 IC610 IC611
MN2488-OPY-MK MN2488-OPY-MK
MN2488-OPY-MK MP1620-OPY-MK MP1620-OPY-MK
R +VE L +VE L -VE SR +VE
R -VE
C C B C E B C E
B E B E B
1 2 3 1 2 3 1 2 3 1 2 3 1
1.2 55.5 0 -1.1 -55.7 0 1.2 55.5 0 -1.1 -55.7 0 1.2 55.5
C671 C672 C666 C667
47p
47p 47p 47p
500V 500V 500V 500V
R697 R683 R722
R696 R684
100 100 100 100 100
R694 R695 R681 R682
82k 560 82k 560
R693 R680
2.2k 2.2k
Q613
-1.1 Q617 -1.1
2SD2144S-TP-V
2SD2144S-TP-V
POWER AMP
POWER AMP
1.2 1.2
Q624
2SA1115TP-EF
POWER AMP
Q616
2SA1115TP-EF
Q612
POWER AMP
2SA1115TP-EF C665
POWER AMP 47 25V
C670
47
25V
IC602
IC B/D
PRE DRIVER
IC602
STK350-530T-E
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
-55.3 55.3 55.3 1.2 -1.1 54.8 -0.3 -0.2 -0.2 -0.3 55 -1.1 1.2 0
C625
C634
C633
100p 100p
100p
50V 50V C624
500V
C626
100p
3p
500V
500V
C635 C632 C623
3p
100p 100p
500V
R630 R624
68k 68k
R622
R628
R629 R623
68k 68k
2.2k 2.2k
C636 C627
R627 R621
220 220
1k
1k
10V 10V
C631 C622
10 10
50V 50V
[FR] [FL]
7 8 9
C_OUT
R716
4.7
R744
100k
R745
100k
C690
0.01 C691
0.01
R730
R717
10
10
R737
R738
47k
47k
R731 R718
C684
47k C679 47k
0.022
0.022
50V
50V
R728 R715
68k 68k
Q622
2SA1163L-TE85L R714
R727
OVERLOAD DETECT 15k
15k
0 0 -44.7 0 0 0 -44.7
R726 R713
1.5k 1.5k
0 0 0
Q627 0
Q623
2SA1163L-TE85L 2SA1163L-TE85L
CP605
CP606
OVERLOAD DETECT C678 OVERLOAD DETECT
0.22 0.22
220p
50V
R725 R712
R711
6.2k 6.2k
4.7k
IC617 IC614 IC615
IC616 IC617 IC614 IC615
MP1620-OPY-MK Q581
MN2488-OPY-MK MP1620-OPY-MK
SR -VE SL +VE 2SA1163L-TE85L
SL -VE
PROTECTOR
C B C E B C E B C E
E
-47.1
2 3 1 2 3 1 2 3 1 2 3
0 -1.1 -55.7 0 1.2 55.5 0 -1.1 -55.7 0
C677
C681 C682 C676
47p 47p 47p
47p
500V 500V
500V 500V
R723 R709 R710
100 100 100
R707
R720 R721 R708
82k 560 82k
560
R706
-47.1
2.2k
Q625 R585
Q621
-1.1 -1.1 10k
R719 2SD2144S-TP-V
2SD2144S-TP-V
POWER AMP
2.2k
POWER AMP
Q620
1.2 1.2
2SA1115TP-EF
POWER AMP
C680 C675
47 25V
47 25V R586
IC603
IC B/D
PRE DRIVER
IC603
STK350-530T-E
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
-55.3 55.3 55.3 1.2 -1.1 54.8 -0.3 -0.2 -0.2 -0.3 55 -1.1 1.2 0
C639
C646
100p
100p
C647 C640 500V
500V 100p
100p
C641
C648 50V
50V
3p 3p
500V 500V
C645 C638
100p 100p
R640 R634
68k 68k
R638
R602 R601
68k R633
0.47 R639
0.47 R600
2.2k 2.2k
68k
C642
C649
R637
R632 220
220
1k 1k
10V
10V
C644 C637
10 10
50V 50V
[SR]
[SL]
AA3
29 29
10 11 12
SBR_OUT
SR_OUT
FR_OUT
SW/SBSBL_OUT
SL_OUT
FL_OUT
C_OUT
Q582
2SC3052EF-T1-LEF
PROTECTOR
R581
20k 3.3
C581
330
10V
Q584
C582
2SC3052EF-T1-LEF
R582
330
39k PROTECTOR
10V
D581
MC2838-T112-1
3.3
Q583
2SA1163L-TE85L
PROTECTOR
2.9
R583
6.8k
-48.4
R584 C583
-55.9
Q585
39k 10
2SC2713G-TE85L
50V
PROTECTOR
1k
AA4
MAIN BOARD
3
(4/4)
(Page 31)
STR-DH700
13 14 15