Schematic Diagram - Power Supply Section - Sony TA-SB500WR Service Manual

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3-8. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
S901
POWER
CN901
2P CN902
2P
LIVE
NUTRAL
(AC IN)
(CHASSIS)
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
TA-SB500WR
• See page 16 for IC Block Diagrams.
(TW)
R904
R903
CN903 F901 ∗ C902
∗
(EXCEPT US, TW)
2P (EXCEPT US)
LIVE
LF901 LF902
NUTRAL C901 R902 C904 C905
0.22 1M 0.22 0.1
275V 1/2W 275V 275V
∗
F901
C903 (EXCEPT TW) D901
∗
T3.15AL 250V (EXCEPT US, TW)
D3SB60F3
EB901 5A 125V (US, TW)
∗
C902, 903
470p 250V (EXCEPT US, TW)
2200p 250V (US, TW)
TP913
GND
POWER CONTROL
IC901 R905 ∗
STR-W6735N (US, TW)
∗
STR-W6765N (EXCEPT US, TW)
R905, R924, R925
C908
3300p 1.2kV (US, TW) 15k (US, TW)
22k (EXCEPT US, TW)
680p 1.5kV (EXCEPT US, TW)
R926
10k
C913
C910 R911
22
470p 1k
50V
R907
0
C912
0.1
R910 R908 ∗
∗ 100
R908
0.15 2W (US, TW)
0.33 2W (EXCEPT US, TW)
C909
2.2
50V
R920
4.7k
Q902
DTA114EKA C917
0.01
Q902,903
OVER LOAD
PROTECT
D913
C916
UDZS-TE-17 TH902
0.01
-6.2B
D400
SPR-54MVWF
POWER/ON LINE
CNP400
3P
GND
RED
GREEN
(Page 9)
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http://www.xiaoyu163.com
PC902
PC123
R917 ∗ R922 ∗ ISOLATOR
C915
R919
∗
47
R917, R922
1.5k
35V
D911 47k (EXCEPT US, TW)
10EDB60 33k (US, TW)
R923 ∗
C906
0
100 450V (EXCEPT TW)
T901
330 200V (TW)
POWER
TP912
VIN TRANSFORMER
TH901
C906
∗
C907 C918 R906
∗ ∗
R924 ∗ R925 ∗
3300p
630V
∗
R906
100k 2W (US, TW)
(EXCEPT US. TW)
D902
82k 2W (EXCEPT US, TW)
SARS03
∗
R916
C907 D905
22
0.01 630V (US, TW) MTZJ-T-77
3300p 630V (EXCEPT US, TW) -33B
D908 R915
11EQS10 22
Q901
2SD1616A
+20V
R913 REGULATOR R914
820 4.7k
C925
D906
D907 0.001
MTZJ-T-77
1SS355 250V
-20B
C911
C914
100p PC901
0.0033 D904
100V PC123
11EQS10
ISOLATOR
Q Q
R912
3 7 6
1k
D910
UDZS-TE-17
-9.1B
R921 PC903
68k PC123
ISOLATOR
D914
UDZS-TE-17
-10B
Q903
DTC144EKA
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8 9 9
TP910
C931
VOUT
L901
4700p
10µH
1kV
R931 R932 R934
22k 3.3k 4.7k
C934 R933
0.01 47k
D921
FML-22S
SHUNT REGULATOR
IC905
NJM431U
R935
3.9k
R948
390
TP911
C932 GND C935 C936
C933 R939 R936 R937 C937
1000 100 100
0.1 1k 2.2k 390 0.1
35V 16V 35V
R940 R941
1 1
DC/DC
R938
3 1 5 1 5 0 8 9 2
1k CONVERTER
IC904
NJM2374AE
TP907
V-CONT
C942 C940 R944
0.1 220p 1k
R945
TP909
2.2k
MAIN-OFF
m
c o
TA-SB500WR
2
8 9 9
TP908
AC-CUT
R946
100
TP901
CN904
30V
7P
30V
30V
GND
+12V REGULATOR
GND
IC903 TP904
TA7812S 12V GND
I O 12V
(Page 11)
G
TP902 TP903
GND C938 GND
R947
100
0
16V EB902
(CHASSIS)
R942 R943
D934
1.5k 1.5k
UDZS-TE-17
-18B
TP905
CN905
5V
L903 L904 7P
4 9 8 2 9 9
220µH 10µH
5V
C941 D933
470 UDZS-TE-17 DGND
10V -10B
DGND
V-CONT
AC-CUT
TP906
D922 DGND MAIN-OFF
11EQS04 (Page 9)
-TA1B
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.