Schematic Diagram - Main Board (1/3) - Sony STR-KM5000 Service Manual

6-7.

SCHEMATIC DIAGRAM - MAIN Board (1/3) -

1 2 3
MAIN BOARD (1/3)
A
1
1
MAIN
B
BOARD
(2/3)
2
(Page
3
22)
R679
10
C
C675 Q670
2SC3052EF-T1-LEF
0.01
AF POWER
PROTECT
R678
R675 4.7
10k
R664
Q661
0
D 2SA1163L-TE85L
Q661, 662
CURRENT
R663
DETECT 0
0.22 x2
5W
0
C661
220p
R661 4.7k
E R662 6.2k
Q653
MN2488-OPY-MK
BOOSTER
E C B
3 2 1
F
C658
47p
500V
R659
100
R657
82k
G
R656
2.2k
Q651, 652
LIMITER
0.5
2SC3623ATP-LK
1.1 -1. 1
Q651
2SA1115TP-EF
H
IC B/D
IC600
I
POWER AMP
J
K
C656 C651
220 10
10V 50V
L
STR-KM5000
• See page 42 for IC Block Diagrams.
4 5 6
C671 C621
R629
10 10
10
50V 50V
0
4.1
D670 D620
MA2J1110GLS0 MA2J1110GLS0
Q620
2SC3052EF-T1-LEF
C670 AF POWER C620
0.01 PROTECT 0.01
R628
4.7
1.5k R614 1.5k
R670 22k R620 22k
Q611
2SA1163L-TE85L
0
Q611, 612
0 CURRENT
R613
DETECT
0.22 x2
5W
-43. 8
C611
220p
Q662 Q612
2SA1163L-TE85L 2SA1163L-TE85L
R611 4.7k
R612 6.2k
Q654 Q603 Q604
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER BOOSTER
B C E E C B B C E
1 2 3 3 2 1 1 2 3
C659 C609
C608
47p 47p 47p
500V 500V 500V
R660 R609 R610
100 100 100
R658 R607 R608
560 82k 560
-0.6 R606
2.2k
Q601, 602
-1.1 LIMITER
Q652 Q602
2SC3623ATP-LK
C607 47 25V
C657
47
25V Q601
2SA1115TP-EF
JR340 0
IC600
uPC2581V-S
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
C603
33p 500V
C605
C653 C654 C604 3p 500V
100p
33p 100p
R604 68k
500V
C655
3p 500V
R654 68k
C644
10
50V
R653 2.2k
R651
1k
R601
1k
C652 C601 C602 C606
R652 R602
100p 10 100p 220
68k 68k
50V 10V
7 8 9 10
C771
R779 10 R729
10 10
50V
0
4.1
D770
MA2J1110GLS0
R780
Q770 Q720
C725
47k
2SC3052EF-T1-LEF 2SC3052EF-T1-LEF
0.1
AF POWER C770 AF POWER
PROTECT 0.01 PROTECT
R775
R725
10k
R778 10k R728
4.7 4.7
R764 1.5k R770 22k R714
Q761 Q711
0 0
2SA1163L-TE85L 2SA1163L-TE85L
0
Q761, 762 Q711, 712
CURRENT 0 CURRENT
R763 R713
DETECT 0 DETECT 0
0.22 x2 0.22 x2
5W 5W
0 0
-43. 8
C761 C711
220p Q762 220p
2SA1163L-TE85L
R761 4.7k R711 4.7k
R762
6.2k R712 6.2k
Q753 Q754 Q703
MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK
BOOSTER BOOSTER BOOSTER
E C B B C E E C B
3 2 1 1 2 3 3 2 1
C759
C758 C708
47p 47p
47p
500V 500V 500V
R759 R760 R709
100 R757 R758 100 100
R707
82k
560 82k
R756 -0. 6 R706
2.2k 2.2k
Q751, 752 Q701, 702
LIMITER -1. 1 LIMITER
0.5 0.5
Q752
2SC3623ATP-LK 2SC3623ATP-LK
C757
47
1.1 -1. 1 1.1 -1.1
25V
C707
Q751
2SA1115TP-EF
Q701
2SA1115TP-EF
IC B/D
IC700
POWER AMP
IC700
uPC2581V-S
15 14 13 12 11 10 9 8 7 6 5 4
C753 C754 C704
100p
33p 100p
500V
R605
22k
JS712
R753 2.2k
JS711
R701 1k
R751
1k
C756 C751 C752 C701 C702 C706
R752 R702
220 10 100p 10 68k 100p 220
68k
10V 50V 50V 10V
21 21
11 12 13
R730 R879 R880
10
47k 47k
0 0
4.1 4.1
Q870
2SC3052EF-T1-LEF
AF POWER
PROTECT
R878
4.7
1.5k R864 1.5k
R720 22k R870 22k
Q861
0
2SA1163L-TE85L
0 0
Q861, 862 Q811, 812
0 CURRENT 0 CURRENT
R863
DETECT 0 DETECT
0.22 x2
5W
0
-43. 8 -43. 8
Q712 C861 Q862
220p 2SA1163L-TE85L
2SA1163L-TE85L
R861 4.7k
R862 6.2k
Q704 Q853 Q854
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER BOOSTER
B C E E C B B C E
1 2 3 3 2 1 1 2 3
C709
C858 C859
47p 47p 47p
500V 500V 500V
R710 R859 R860
100 100 100
R708 R857 R858
560 82k 560
-0. 6 R856 -0. 6
2.2k
Q851, 852
-1. 1 LIMITER -1. 1
0.5
Q702 Q852
2SC3623ATP-LK
1.1 -1. 1
47 25V
Q851
C857
2SA1115TP-EF
47
25V
IC800
IC B/D
POWER AMP
IC800
uPC2581V- S
3 2 1 15 14 13 12 11 10 9 8 7
C703
33p 500V
C705
3p 500V C853 C854
33p 100p
R704 68k
500V
C755
3p 500V
R754 68k
C744
R705
10 22k
50V
C545 C546
10 10
100V
100V
R853 2.2k
JS710
R801 1k
R851
1k
C856 C851 C852 C801 C802
R852 R802
100p
220 10 100p 10
68k 68k
10V 50V 50V
STR-KM5000
14 15 16
14
13
15
17
2
18
19
MAIN
20
BOARD
(3/3)
21
(Page 23)
22
23
24
R830
R829 47k
10
0
4.1
Q820
2SC3052EF-T1-LEF
AF POWER
PROTECT
R828
4.7
R814 R820 22k
1.5k
Q811
0
2SA1163L-TE85L
0
0
R813
0
0.22 x2
5W
0
-43. 8
C811 Q812
220p 2SA1163L-TE85L
R811 4.7k
R812 6.2k
Q803 Q804
MN2488-OPY-MK MP1620-OPY-MK
BOOSTER BOOSTER
E C B B C E
3 2 1 1 2 3
C808 C809
47p 47p
500V 500V
R810
R809
100 100
R806 R808
2.2k 560
R807 -0. 6
82k
Q801, 802
LIMITER -1. 1
0.5
Q802
2SC3623ATP-LK
1.1 -1. 1
C807 47 25V
Q801
2SA1115TP-EF
6 5 4 3 2 1
C803
33p 500V
C805
C804 3p 500V
100p
R804 68k
C855
3p 500V
R854 68k
3
R545
25
1
26
MAIN
27
BOARD
R546
(3/3)
1
R805
(Page 23)
22k
C844
10
50V
JS810
R803
2.2k
C806
220
10V
12
11 4
10
9
MAIN
BOARD
6
(2/3)
6 (Page 22)
4