Read Sony TA-SA300WR (serv.man2) Service Manual online
TA-SA300WR
TA-SA300WR
4
4
2-2. SCHEMATIC DIAGRAM - POWER Board -
(2/2)
BOARD
(Refer to
page 13
page 13
on original
service
manual)
CN104
C
WLK4 MAIN
29.2
2.5
4.2
3.1
4.2
3.1
32.3
31.3
0.9
21.8
21.1
0
303
21.1
0
1.5
0.9
21.1
-0.5
20.2
7.7
11.1
0.9
21.8
300
302
302
0
21.1
-4.5
22.6
22.4
20.4
2.5
2.5
0
3.3
0
3.3
31.3
0
-5.4
21.1
11.6
1kV
C940
4700p
0.01
C931
0.01
C930
470p
C925
250V
C900
0.22
100
R920
1k
R929
1k
R941
4.7k
R925
4.7k
R931
68k
R932
1k
R930
VDR900
SARS10
D920
1
3
4
5
6
7
IC920
D
S/GND
Vcc
OLP/SS
FB
OCP/BD
~
~
D3SB60F3
D900
D1NL20U-TR2
D924
C936
130 450V (MX, PX)
100 450V (EXCEPT US,
LTA014EUBFS8TL
Q922
LTC044EUBFS8TL
Q921
CL921
CL922
CL923
CL905
CL920
CL940
CL960
C935
200V
330
E
EB901
E
EB902
2200p
C928
4.7k
R927
0
R928
47
R924
250V
1000p
C903
1
2
3
4
LF900
1
2
3
4
LF901
50V
10
C924
100V
100p
C929
1
3
3P
CN900
LIVE
NEUTRAL
D927
UDZSUSTE-176.2B
R921
R922
CL901
CL902
2SD1388TP-4
Q920
PS2561AL1-1-V-W
PC903
50V
47
C927
1
3
4
5
6
7
8
9
9P
CN901
32V
32V
32V
GND
GND
GND
MAIN_ON
E4V
470
R951
4.7k
R915
10
R901
UDZSUSTE-1710B
D915
0.01
C952
2.2k
R956
4
3
1
2
MM1431CURE
IC950
NC
33k
R910
D1NL20U-TR2
D901
2.2
R914
0.047
C953
C954
0.01
UDZSUSTE-1730B
D914
RK36LF-B3
D950
1F6G
D910
1/2W
FR910
1
680k
R916
4700p
C916
D1NL20U-TR2
D911
R911
5.6
PS2561AL1-1-V-W
PC901
4.7k
R902
4.7k
R903
2SA1980-AT
Q901
22k
R962
3.3k
R960
LTC044EUBFS8TL
Q962
LSCR523UBFS8TL
Q961
100
R963
LTC044EUBFS8TL
Q960
3.3k
R961
0.047
C943
1k
R943
R949
1k
2.2k
R944
4
3
1
2
MM1431CURE
IC940
NC
470k
R942
CL942
PS2561AL1-1-V-W
PC902
3.9k
R955
100
R945
2.2k
R947
27k
R946
CL900
CL903
CL904
CL910
CL911
CL912
CL913
CL914
CL915
CL916
CL917
CL918
CL924
CL926
CL925
CL927
CL928
CL929
CL930
CL909
CL941
CL950
CL951
CL952
CL962
CL964
CL943
CL953
8
7
5
4
3
2
1
IC910
STR-A6159M
OCP
VCC
GND
FB
START_UP
DRAIN
DRAIN
R959
10k
10k
R953
250V
C905
1000p
250V
C904
470p
250V
C906
470p
400V
C921
3300p
400V
C920
0.01
10k
R904
JS905
2W
R913
100k
400V
3300p
C911
CL963
250V
C937
0.1
250V
C902
0.1
T901
1
4
7
9
2
5
6
8
10
TH920
1
3
10
11
2
9
12
13
14
5
8
6
7
T902
R926
820
35V
1000
C941
10V
2200
C951
0.1
C947
0.1
C946
0.1
C932
C944
0.01
JL900
JL901
JL902
JL903
JL904
JL905
JL906
JL908
JL909
JL911
JL912
JL913
JL914
JL915
JL917
JL919
TH900
DZ2J200M0L
D922
DZ2J330M0L
D930
DZ2J062M0L
D928
DZ2J100M0L
D932
DZ2J051M0L
D916
DZ2J100M0L
D912
DZ2J24000L
D913
DA2J10100L
D902
DA2J10100L
D929
DA2J10100L
D923
DA2J10100L
D925
DA2J10100L
D926
DZ2J068M0L
D931
50V
1
C919
50V
2.2
C917
100V
47
C914
2SC5053T100Q
Q923
470
R957
0.1
C960
FMX-22SL
D940
R905
100k
JS903
JS902
JS901
JS904
R900
1/2W
1M
1k
R940
C923
1.2kV
3300p
C922
1.5kV
680p
1k
R950
IC920
POWER CONTROL
(CHASSIS)
TRANSFORMER
MAIN POWER
TRANSFORMER
SUB POWER
ISOLATOR
ISOLATOR
ISOLATOR
POWER CONTROL
IC910
IC940
POWER BOARD
SHUNT REGULATOR
IC950
(CHASSIS)
(AC IN)
Q921, 922
OVER LOAD PROTECT
B+ SWITCH
LINE FILTER
LINE FILTER
R923
82k 3W (EXCEPT US,
CND,
CND,
TW)
100k 3W (US, CND, TW)
470p 250V (EXCEPT US, CND, TW)
100P 250V (US, CND, TW)
C907
STR-W6765N (EXCEPT US, CND, TW)
STR-W6735N (US, CND, TW)
0.36 2W (EXCEPT US, CND, TW)
0.22 2W (US, CND, TW)
R921
0.33 2W (US, CND, TW)
R922
0.47 2W (EXCEPT US, CND, TW)
REGULATOR
(US, CND, TW)
(EXCEPT US, CND, TW)
REGULATOR
(US, CND, TW)
(EXCEPT US, CND, TW)
(EXCEPT US,
CND, TW)
CND, TW)
(EXCEPT US, CND, TW)
(US, CND, TW)
(EXCEPT US,
CND, MX, TW, PX)
CND, MX, TW, PX)
(EXCEPT US,
CND, TW)
CND, TW)
(EXCEPT MX, PX)
(EXCEPT MX, PX)
(US, CND, TW)
(US, CND, TW)
(EXCEPT US, CND, MX, TW, PX)
(US, CND, MX, TW, PX)
(US, CND, MX, TW, PX)
(EXCEPT US, CND, MX, TW, PX)
PATTERN
SPARK-GAP
CAM901
T3.15AH 250V (EXCEPT US, CND, MX, TW, PX)
T5AH 250V (MX, PX)
5A 125V (US, CND, TW)
F900
POWER ON/OFF
CONTROL
POWER VOLTAGE
CONTROL
Q961, 962
SHUNT REGULATOR
13
A
15
E
D
C
4
14
16
17
8
G
B
1
11
3
10
I
9
J
F
H
6
2
5
7
12
CND, MX, TW, PX)
Ver. 1.5
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