Schematic Diagram - Main Section (7/7) - Sony STR-KS1000P Service Manual

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3 7 6 3 1 5 1 5 0
4-16. SCHEMATIC DIAGRAM – MAIN Section (7/7) –
(7/7)
F901
CN901 T6.3AL
2P 250V
R901
(AC IN) 1M
1/2W
(Page 26)
R930
0
EB908
R924
0
EB909
EP901
(Page 25)
EP902
(CHASSIS)
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
STR-KS1000P
• See page 30 for IC Block Diagrams.
D901
D5SB60F01 C920
0.01
VDR901 LF901 LF902 TH901 250V
C905
0.0033
400V
C901 C902
0.22 0.22
275V 275V
C918 C903
0.01 330
250V 450V
IC901
STR-F6168-LF1352
R911
220
C908 47 35V C906
C911
680p
0.0047
1.5kV
Q901 C909
2SB1116ATP-LK 220p
B+ SWITCH
C913 D908
Q912
100p 1SS355
0.33
250V POWER CONTROL
2W
R914
0.1 R907
C912 5W 10k
100p
250V
R908
D910
3.3k
1SS355
1/2W
D909 R925
1SS355 10
D904
POWER CONTROL 10EDB60-TB5
IC921
STR-V153
D926
UDZSTE-175.1B
B+ SWITCH
D925
UDZSTE-175.1B
R926
680k
C924
C925 R927
C923 2.2
47p 1
0.0047 50V C929
2kV 1W
0.1
x a o
y
. i
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10000p
T901
C938
680p MAIN POWER
250V
TRANSFORMER
D931
R903 FCH20A15
100k
3W
R904
100k
3W
D913
SARS03
C935
0.1
R905
R918 D905 10
0 D1NL20U-TR
D914
1SS355
R910
2.2k PC901
TLP421F
R909
D915
C910 100k
UDZSTE
22
-1710B
50V
R919
18k
ISOLATOR
C907 D907
0.001 1SS355
D906
1SS355
R906
3.3k
ISOLATOR
PC903
TLP421F
Q Q
3 7 6
D944
EC21EQ04
ISOLATOR
PC902
TLP421F
ISOLATOR
PC904
TLP421F
R915
220k
D941
D1NL20U
C928 -TR
T902
220p
250V SUB POWER
TRANSFORMER
R967
C953
2.2
0.001
1/2W
2kV
R921 C921
R968
100k 3300p
1k
2W 500V
D921
ERA22-08
D923
UDZSTE-1710B
D942
EC21EQ04
Q921
2SD1616
R922 D943
4.7 EC21EQ04
D922
C940
R923 D1NL20U-TR
3300
4.7k
10V
C922
D924
22
UDZSTE-1724B
35V
u 1 6 3
27 27
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2 4
8 9 9
C931
L931
10µH
630V
R934 C937 R933 R932 R965 R931
Q943,947
1k 0.047 4.7k 33k 0 8.2k
POWER ON/OFF CONTROL
Q943
RT1N141C-TP-1
R936
C932 470k
2200 C936
35V 0.1
C933 C939
Q947
2200 IC931 2.2
RT1N141C-TP-1
35V TA76431 R939
3.3k
C934
R935 2200
1k 35V
SHUNT REGULATOR
R949 +5V REGULATOR
1k
C945
SI-3050KM-TL
22
35V
3 1 5 1 5 0 8 9 2
C946
1000
16V S
L947 Q945
RSR025N03 R957
4.7µH
47k
B+ SWITCH
R956 Q946
1k R958 RSR025N03
1k
B+ SWITCH
L942
10µH
R941 R948
0 10k
C944
2200
16V
ADJ VOUT
VC VIN GND ADJ
R960 +12V REGULATOR
VC
10k
IC941
SI-3120KM
L945
10µH
C951
C942
D945 0.1
22
C941 UDZSTE-1720B
35V C943
1000
100
25V
16V
R955 R951
470 220
R954 C952
22k 0.047
R952
2.2k
L941
SHUNT REULATOR
IC951
TA76L431S
R953
3.9k R966
100k
m
c o
.
STR-KS1000P
2
8 9 9
GND
31.5V
R937 R940
12V
10k 10k
3.3V
(Page 25)
D932 R938
EP903
UDZSTE5.1B 1k
(CHASSIS)
IC942
R943
0
ADJ
GND_EB903
VC
3.3V
VIN
VOUT
D.DCON5V
GND
C947
C954
100 12V
0.1
10V
L950
10µH
4 9 8 2 9 9
8V
S
R969
47k R978
1k
(Page
R946
23)
150
VOUT
VIN GND +3.3V REGULATOR
IC943
SI-3033KM
C948
22
35V C955
C949 0.1
100
10V
6V
E4V
PCONT1
PCONT2
DGND
A-GND
AC-DET
M-GND
EB904
Q961
2SC2412K
C961 AC DETECT
10
(CHASSIS)
50V