Sony STR-KM22 - Schematic Diagrams (MAIN Board)

STR-KM22/KM55/KM77
STR-KM22/KM55/KM77
2323
5-7. SCHEMATIC DIAGRAM – MAIN Board (1/9) –
1
A
B
C
D
E
F
G
H
I
J
K
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
100p
C862
3300p
C881
4p
220p
C851
C854
4700P
C250 0.1
C891C892
C548 0.1
C885
47p
47p
C886
47 35VC858
10 50V
C860
C545 47 25V
C863
CL378
CL852
CL851
CL850
CN957
3P
1-B
2+B
3+B
CN956
4P
1+B
2NC
3GND
4-B
R853
D870
DA2J10100L
D871
DA2J10100L
DA2J10100L
D872
D850
D851
DZ2J051M0L
D536
Q853
2SD2114KT146
B
CC
B
E
HN4A06J-GRBL(TE85R)
Q870
POWER AMP
1
2
3
54
E
C
B
C
B
E
Q872
KTA1024-Y
POWER AMP
2SA1514KT146S
CURRENT DETECT
Q855
Q854
2SA1514KT146S
CURRENT DETECT
Q852
2SA1162-YG-TE85L
BIAS
BIAS
Q875
KTC3206-Y
POWER AMP
Q874
KTC3206-Y
POWER AMP
HN4A06J-GRBL (TE85R)
POWER AMP
POWER AMP
2SA1514KT146S
CURRENT DETECT
2SA1514KT146S
CURRENT DETECT
2SD2114KT146
BIAS
2SA1162-YG-TE85L
BIAS
POWER AMP
POWER AMP
R854
47p
100
R867
47p
100
R851
6.2k
R858
0.47
R936
0.47
R935
R547 47k
R855
R382 6.8k
R856
22k
2.2k
2.2kR252
2.2kR251
R860
R873
220 220
470
C870
R876
R875
R863
220 10V
2.2k 2.2k
560R866
2.2kR253
C882 R862
4p 68k
R878
270
R871
R874
R870
22k
R509
R872
4.7k
4.7k
4.7k
R879
56k
R877
2.2k 2.2k
0
R544
0R505
SW_2
CENTER
FRONT_R
PROTECTOR
GND
DC_DET1
LEVEL_DET
LIMITER
PROTECTOR
68k
R861
4.7k
R852
1.5k
R865
R864
15k
R869R868
100k
R859
R857
47k
10
47k 68k
R549
22k
R548
22k
+3.3V
OUTSW2
GND
OUTC
OUTFR
TEMP_SENSOR_3
TEMP_SENSOR_1
TEMP_SENSOR_2
LIMITER
SW_LIMITER
10k
TH253
TH251
10k
TH252
10k
22 100V
C985
22 100V
C986
CL863
CL864
CL865
CL866
0.022
C878
100p
C812
3300p
C832
C831
4p
220p
C801
C804
4700P
C841C842
C835
47p
47p
C836
47 35VC808
10 50V
C810
C813
CL802
CL801
CL800
R803
D820
DA2J10100L
DA2J10100L
D821
DA2J10100L
D822
DA2J10100L
DA2J10100L
D800
D801
L800
Q803
2SD2114KT146
B
CC
B
E
HN4A06J-GRBL(TE85R)
Q820
POWER AMP
1
2
3
54
EE
C
B
C
B
Q822
KTA1024-Y
POWER AMP
2SA1514KT146S
CURRENT DETECT
Q805
Q804
2SA1514KT146S
CURRENT DETECT
Q802
2SA1162-YG-TE85L
BIAS
BIAS
Q825
KTC3206-Y
POWER AMP
Q824
KTC3206-Y
POWER AMP
R804
47p
100
R817
47p
100
R801
6.2k
R808
R800
4.7
R805
R383 6.8k
R806
22k
2.2k
R810
R823
220 220
470
C820
R826
R825
R813
220 10V
2.2k 2.2k
560R816
R812
4p 68k
R828
270
R821
R824
R820
R822
4.7k
4.7k
4.7k
R829
56k
R827
2.2k
2.2k
68k
R811
4.7k
R802
1.5k
R815
R814
15k
R819R818
100k
R809
R807
22k
10
47k 68k
0.022
C828
AGND
4700p
C564
C581
C570
3300p
4p
220p
C551
C554
0.047
C591
47p
C592
47p
C585
47p
47p
C586
C558 47 35V
10 50V 220 10V
C560 C563
CL550
CL552
CL551
R553
D570
DA2J10100L
DA2J10100L
D572D571
DA2J10100L
D550
DA2J10100L
DA2J10100L
DA2J10100L
DA2J10100L
D551
0
JW003
JW008
JW010
0
JW007
L550
Q553
B
CC
B
E
Q570
1
2
3
54
E
C
B
C
B
E
Q572
KTA1024-Y
Q555
Q554
Q552
Q575
KTC3206-Y
Q574
KTC3206-Y
R554
100
R567
100
R551
10
R558 6.2k
R550
4.7
R555 22k
2.2k
R381 6.8k
R556
R560
2.2k 2.2k
R573
220 220
R576
470
R575
2.2k
R563
R566 560
C582 4P
R562 68k
R578
270
R571
4.7k
R574
R570
4.7k
R572
4.7k
R579
56K
R577
2.2k
68k
R561
4.7k
R552
1.5k
R565
R564
15k
R569R568
68k47k
100k
R559
R557
47k
0.022
C578
1
2
16
17
18
19
20
21
22
23
24
25
3
4
5
7
8
9
10
6
D_GND
11 12 14 1513
MAIN BOARD (1/9)
>001S
MAIN BOARD
(7/9)
(Page 29)
>008S
MAIN BOARD
(3/9)
(Page 25)
>002S
MAIN BOARD
(6/9)
(Page 28)
>004S
MAIN BOARD
(2/9)
(Page 24)
>005S
MAIN BOARD
(5/9)
(Page 27)
>007S
MAIN BOARD
(4/9)
(Page 26)
>003S
SUB RECTIFIER
BOARD
CN932
(Page 40)
>006S
SUB RECTIFIER
BOARD
CN932
(Page 40)
>009S
MAIN BOARD
(3/9)
(Page 25)
>010S
MAIN BOARD
(2/9)
(Page 24)
Q550
MN2488-OPY-MK
BOOSTER
Q551
MP1620-OPY-MK
BOOSTER
Q850
MN2488-OPY-MK
BOOSTER
Q851
MP1620-OPY-MK
BOOSTER
Q800
MN2488-OPY-MK
BOOSTER
Q801
MP1620-OPY-MK
BOOSTER
18.3
-64.2
-63
15.9
-58.3
-57.8
15.8
-58.3
-57.7
-64.2
-63.3
-1.1
-58.3
-57.7
-1.1
-58.3
-57.7
-1.1
-1
0.6
1.2
-1
0.6
1.2
-1
0.6
1.2
-1
-0.5
0.6
-1
-0.5
0.6
-1
-0.5
0.6
0
0
-65.8
-1.6
-1.6
65.9 0
-60
0
0
-1.6
0
0
-1.6
0
1.1
0
60
1.2
-59.8
0
-1.1
0
60
1.2
-59.8
0
-1.1-1.1
0
-1.6
-60.2
0
-1.6
-60.1
0
0.6
0.2
-63
-63
0.2
0.6
0.1
-57.7
-57.7
0.1
0.6
0.2
-57.9
-57.9
0.2
65.3
1.1
64.8
59.8
1.2
59.1
59.4
1.1
59
KM55, KM77
KM55, KM77
KM55, KM77
KM55, KM77
KM22
KM22
KM22
KM55, KM77
Ver. 1.2