Schematic Diagram - Main Board (2/4) - Sony STR-KM5 Service Manual

STR-KM5/KM7
Ver. 1.4
5-15. SCHEMATIC DIAGRAM – MAIN Board (2/4) –
1 2 3
MAIN BOARD (2/4)
A
MAIN BOARD 5
6
3
(1/4)
7
8
(Page 27)
9
10
B
R720
L700
4.7
R716
10
C
4700p
C716
0.022
Q711
2SA1514KT146S
D
CURRENT DETECT
0
0
C710
220p
R710
4.7k
E
FR +VE
Q702
MN2488-OPY-MK
B C
1 2
MAIN BOARD
1 67 0
F
(1/4) 4
11
12
(Page 27)
C718
47p
R708
100
R705
68k
R706
2.2k
G
0.4
Q700
2SA1162-G
BIAS 1
H
I
13
16
15
MAIN BOARD
5
(1/4)
J
(Page 27)
14
17
K
STR-KM5/KM7
4 5 6 7
[FR] [SR]
R618
JS600
R718 47k
5
47k
R619
100k
R719
100k
R616
CL396
10
C612
R615
C712 R715
4700p
68k
68k
CL395
R717 R714 C616 R617
R614
22k 15k 0.022 47k
15k
Q712 Q611 Q612
2SA1514KT146S 2SA1514KT146S 2SA1514KT146S
R713 CURRENT DETECT R613
CURRENT DETECT CURRENT DETECT
1.5k 1.5k
-3 -3 -65 0 -3 -3 -65
CL397
0 0 0
C610
220p
R712 R612
0.22 0.22
R711 R611
R610
6.2k 6.2k
4.7k
SR +VE SR -VE
FR -VE
Q703 Q602 Q603
MP1620-OPY-MK MN2488-OPY-MK MP1620-OPY-MK
E B C E B C E B C E
3 1 2 3 1 2 3 1 2 3
-1 -67 0 1 67 0 -1 -67 0
C719 C618 C619
47p 47p 47p
R709
R608 R609
100
100
R707 100 R605 R607
470 68k 470
R606
-0.6
-0.6
2.2k
Q701 Q601
KTD1028 KTD1028
0.4
BIAS BIAS
-1
-1 0.4
0.4
Q600
2SA1162-G
1
C707 -1 C607
-1 BIAS
47 35V 47 35V
IC701
STK350-630TS-E
IC701
PRE DRIVER
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
-65 65 65 1 -1 -64 0 0 0 0 -64 -1 1
C715 C765
12p 12p
C714 4p
C764 4p
R704 68k R754 68k
C702 C752
100p 100p
R702 R752
R701 R751
C725 C724 68k 68k
2.2k
100p 100p 2.2k
R703 R753
1k 1k
C701 C751
220 220
10V
10V
C700 C750
10 10
50V 50V
[FR] [FL]
28 29
8 9 10
[FL]
CL400
R768
R770 JS650
L750 47k
4.7 5
R769
100k
CL399
R766 R666
CL386 CL384
10 10
C762
4700p
R765
68k
CL398
R767
CL387 CL385
22k
C766 C666
R764
0.022 0.022
CL401 15k
Q761 Q762 Q661
2SA1514KT146S 2SA1514KT146S 2SA1514KT146S
CURRENT DETECT R763 CURRENT DETECT
CURRENT DETECT
1.5k
0 -3 -3 -65 0
0 0 0
C760 C660
220p
220p
R762
0.22
R761
R760 R660
6.2k
4.7k 4.7k
FL +VE FL -VE SL +VE
Q752 Q753 Q652
MN2488-OPY-MK MP1620-OPY-MK MN2488-OPY-MK
B C E B C E B C
1 2 3 1 2 3 1 2
1 67 0 -1 -67 0 1 67
C768
C769 C668
47p
47p 47p
R759
R758 R658
100 100 100
R755 R757 R655
68k 470 68k
R756
-0.6 R656
2.2k
2.2k
Q751
KTD1028
0.4
0.4
BIAS
-1
0.4
Q650
Q750
2SA1162-G
2SA1162-G
-1 1
1 C757
BIAS
BIAS
47 35V
IC601
STK350-630TS-E
IC601
PRE DRIVER
15 14 13 12 11 10 9 8 7 6 5 4 3
-65 65 65 1 -1 -64 0 0 0 0 -64 -1
C615 C665
12p 12p
C664 4p
C614 4p
R654 68k
C602 C652
100p 100p
R604 68k
R602 R652
68k 68k
R603 R653
R601 R651
R953
R954 1k 1k
2.2k 2.2k
0.47
0.47
C601
C600 C650
C651
220
10
10 220
10V
50V 50V
10V
[SR] [SL]
30 31
10
MAIN BOARD (3/4)
(Page 29)
28 28
11 12 13 14
[SL] CL391
R668
47k
R669
100k
CL390
C662
R665
4700p
68k
CL383
Q863
Q865
R667 R664
2SA1514KT146S
2SC3052EF-T1-LEF
47k 15k
PROTECTOR
PROTECTOR
-65
0
Q662
0
C862
2SA1514KT146S
R863
220
CURRENT
22k
R663 10V
DETECT
1.5k
-3 -3 -65
C863
R864
220
22k
10V
0
0 0
Q864
Q866
-65
2SA1514KT146S
2SC3052EF-T1-LEF
PROTECTOR
R662 PROTECTOR
0.22
R661
R861
6.2k
10k
Q867
2SC2713-G
D862
PROTECTOR
MC2838-T112-1
SL -VE
Q653
MP1620-OPY-MK
E B C E C864
R865
10
3 1 2 3 39k
50V
0 -1 -67 0
C669 R862
47p 1k
R659
100
R657
470
-0.6
Q651
KTD1028
BIAS
0.4 -1
-1
C657
47 35V
2
1
1
32 33 34
11
MAIN BOARD (4/4)
(Page 30)
15 16 17
FR
MAIN BOARD
23
SR
8
24 (4/4)
FL
25
SL (Page 30)
26
KM7
CN954
5P SURR BACK
1 LEVEL_DET
AMP
2 OVERCURRENT_DET
K
BOARD
DC_DET
3
CN401
4 GND
5 GND
(Page 45)
3.2
D863
MC2838-T112-1
3.2 MAIN BOARD
9
(3/4)
27
(Page 29)
R866
6.8k
5.6
-65
-65