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Schematic Diagram - Power Board - Sony TA-SA300WR Service Manual

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4-8.

SCHEMATIC DIAGRAM - POWER Board -

1
2
3
POWER BOARD
A
F900
CN900
5A 125V (US, CND)
3P
T3.15AH 250V (AEP, IT, UK, AUS)
CL900
B
LIVE
1
(AC IN)
CL901
NEUTRAL
3
CAM901
PATTERN
C900
SPARK-GAP
0.22
250V
(US, CND)
EB901
C
(CHASSIS)
S/GND
D
OLP/SS
OCP/BD
IC920
POWER CONTROL
E
IC920
STR-W6735N (US, CND)
STR-W6765N (AEP, IT, UK, AUS)
F
G
R910
33k
CL915
CL916
H
I
J
TA-SA300WR
• See page 18 for IC Block Diagrams.
4
5
6
(US, CND)
LF901
LINE FILTER
3
4
2
1
JS902
CL902
2
1
JS903
C902
R900
C937
0.1
1M
0.1
3
4
250V
1/2W
250V
JS901
LF900
(AEP, IT, UK, AUS)
C903
C904
C906
LINE FILTER
1000p
470p
470p
(AEP, IT, UK, AUS)
250V
250V
250V
(US, CND)
(AEP, IT, UK, AUS)
(US, CND)
(US, CND)
(AEP, IT, UK, AUS)
303
CL921
1
D
C923
C922
Q901
3300p
680p
2SA1015TP-YGR
CL922
1.2kV
1.5kV
3
B+ SWITCH
21.1
CL923
21.1
Vcc
4
CL924
C924
0
10
5
1.5
CL925
50V
6
FB
20.4
CL926
0.9
R929
7
1k
C925
470p
JL900
CL909
IC B/D
D927
C927
C932
UDZSUSTE-176.2B
47
0.1
50V
R931
R920
R921
R922
4.7k
100
R930
1k
R921
0.22 2W (US, CND)
0.36 2W (AEP, IT, UK, AUS)
R922
Q922
0.33 2W (US, CND)
RT1P141M-TP-1
0.47 2W (AEP, IT, UK, AUS)
0
21.1
JL901
C930
R932
JL908
0.01
68k
TH920
JL909
21.1
0
JL902
D932
C931
Q921, 922
DZ2J100M0L
0.01
OVER LOAD PROTECT
11.6
JL911
IC B/D
Q921
RT1N441M-TP-1
IC910
POWER CONTROL
IC910
STR-A6159M
CL914
300
START_UP
0.9
5
4
FB
CL913
3
GND
CL912
302
DRAIN
21.8
7
2
VCC
302
CL911
DRAIN
8
1
OCP
R911
C919
C916
5.6
1
4700p
50V
7
8
9
10
D900
C907
D3SB60F3
100P 250V (US, CND)
CL903
CL904
~
470p 250V (AEP, IT, UK, AUS)
JS904
TH900
~
C905
1000p
250V
FR910
1
CL920
1/2W
C936
C935
C920
C921
R923
100
330
0.01
3300p
100k 3W (US, CND)
450V
200V
400V
400V
82k 3W (AEP, IT, UK, AUS)
D920
CL905
(AEP, IT, UK, AUS)
(US, CND)
(AEP, IT, UK, AUS)
SARS03
Q920
2SD1388TP-4
D924
CL929
CL927
D1NL20U-TR2
REGULATOR
21.1
CL930
-4.5
-0.5
R904
R926
R925
R927
R924
10k
820
4.7k
4.7k
47
D901
-5.4
D1NL20U-TR2
CL928
D925
D922
DA2J10100L
DZ2J200M0L
JL903
JL904
R903
R905
R901
C928
C929
D923
4.7k
100k
10
2200p
100p
DA2J10100L
100V
D926
D929
DA2J10100L
DA2J10100L
20.2
D928
DZ2J062M0L
7.7
(US, CND)
JL905
R928
JL906
0
D930
DZ2J330M0L
R902
D931
4.7k
DZ2J068M0L
D902
DA2J10100L
(AEP, IT, UK, AUS)
11.1
D912
CL918
DZ2J100M0L
0.9
21.8
22.6
CL910
Q923
D916
2SC5053T100Q
DZ2J051M0L
REGULATOR
22.4
R915
4.7k
C911
R913
3300p
100k
400V
2W
C917
R916
D913
C914
2.2
680k
DZ2J24000L
47
50V
100V
D910
1F6G
D911
D1NL20U-TR2
R914
2.2
CL917
17
17
11
12
13
C940
CL941
4700p
JS905
T902
MAIN POWER
TRANSFORMER
1
14
D940
FMX-22SL
2
13
3
12
11
5
10
6
9
C946
C941
C947
R941
0.1
1k
1000
0.1
35V
7
8
CL940
PC902
PS2561AL1-1-V-W
ISOLATOR
32.3
CL943
R940
1k
31.3
R961
3.3k
JL913
31.3
PC903
PS2561AL1-1-V-W
0
ISOLATOR
4.2
2SC4154TP-1EF
CL964
JL912
3.1
3.3
R960
3.3k
0
Q960
RT1N441M-TP-1
POWER ON/OFF
PC901
CONTROL
PS2561AL1-1-V-W
ISOLATOR
4.2
CL953
R950
1k
3.1
R951
470
T901
SUB POWER
TRANSFORMER
1
10
D950
CL951
RK36LF-B3
2
9
8
C951
C952
2200
0.01
10V
4
7
CL950
5
6
TA-SA300WR
Ver. 1.1
14
15
16
17
CL942
JL919
R962
R947
R949
22k
2.2k
1k
R943
C943
1k
0.047
R946
C944
27k
0.01
R942
470k
3
4
IC940
CN901
9P
SHUNT REGULATOR
1
32V
IC940
MM1431CURE
R945
NC
3
32V
100
2
1
4
32V
5
GND
R944
2.2k
WLK4 MAIN
6
GND
BOARD
7
GND
CL960
CN104
MAIN_ON
8
(Page 13)
R963
E4V
9
100
CL962
Q961, 962
POWER VOLTAGE
CONTROL
CL963
Q961
0
3.3
Q962
RT1N441M-TP-1
C960
0.1
JL914
R953
10k
JL915
3
4
IC950
C953
0.047
SHUNT REGULATOR
IC950
MM1431CURE
R956
C954
NC
2.2k
0.01
JL917
2
1
R957
R959
470
10k
CL952
R955
3.9k
EB902
(CHASSIS)
C
(2/2)

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