Schematic Diagram - Power Supply Section - Sony TA-SB500WR2 Service Manual

TA-SB500WR2
Q Q
3 7 6 3 1 5 1 5 0
3-9. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
1 2 3
A
DIAT SWITCH BOARD
S901
CN901 CN902
3P 3P
B POWER
LIVE 3 3
(AC IN)
NUTRAL 1 1
C
D
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
G
H
w w w
TA-SB500WR2
• See page 17 for IC Block Diagrams.
4 5 6 7
DIAT POWER BOARD
F901
5A
125V
LIVE LIVE 3
NUTRAL NUTRAL 1
C901
R902
CN903
0.22
3P 1M
275V
1/2W
L901
EB901
(CHASSIS)
IC901
STR-W6735N
D
S/GND
VCC
OLP/SS
FB
OCP/BD
IC901
POWER CONTROL
IC B/D
x a o
. i
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8 9 10 11
C904 D911 R917
0.1 10EDB60-TA2B5
JW002 33k
R925
15k
VDR901
R924
15k
D901
D3SB60F3
R905
15k
C902
TH901
2200p
250V
C903
2200p
250V
JW001
C919
330
200V
R910 R908
100 0.12 2W
C908 D915 MTZJ-T-72-33B
3300p
1.2kV
160
R926
10k
D905
MTZJ-T-72-33B
18.3 D913 UDZW-TE17-6.2B
0.1 C909 10 50V
D908 Q901
11EQS10-TA2 2SD1616A-TP-LK
1.5
REGULATOR
-3
C910 470p
0.8
R913
820
D907
Q Q
1SS355WTE-17
-2.6
3 7
TH902
MTZJ-T-72-20B
C914
2200p
C911
100p
D909
11EQS10-TA2
100V
1SS355WTE-17
C913
C912
22
0.1
50V R909
Q902
R912 1k
RT1P141C-TP-1 1k R911
R920
1k
4.7k
0.1 18.5
C917
0.01
18.5
D910
UDZW-TE17-9.1B
D914
UDZW-TE17-10B
Q902, 903
R921
OVER LOAD DETECT
68k
9.3
0.1
RT1N441C-TP-1
C916
0.01
u 1 6 3
y
16 16
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2 4
8 9 9
12 12 12 13 14
PC902
ISOLATOR
PC902
R922
TLP421F(D4-SONY)
2
33k
2.3 3 0.1
C915
47
35V 1.3
R919 1 4
1.5k
JW003
IC905
C907
SHUNT REGULATOR
0.01
IC905
630V
NJM1431AU(TE2)
3 2 1
23.1 2.4
1
C931
R906
4700p
100k
1kV
2W
2 11
D902
SARS03
3 10
D921
FML-22S
C933
R933
R916 0.1 C934
9
22 0.01 47k
C932
R939
1000
5 8
1k
35V
R915
-0.1 22
6
R914
4.7k
T901
6 3 1 5 1 5 0 8 9
POWER TRANSFORMER
D906
C925
D904 0.001
250V
PC901
TLP421F(D4-GR)
16.1 3 2 27.4
R938
1k
10.6 26.3
4 1
PC901
ISOLATOR
PC903
ISOLATOR
PC903
TLP421F(D4-SONY) R945
2.2k
9.3 3 2 0.2
Q903
4 1
m
c o
.
2
8 9 9
15 16 17
R946
100
CN904
8P
1 +27.5V
L903
10uH
2 +27.5V A
C942
C936
3 +27.5V
100 0.1
35V
R931 4 GND
DIAT AMP
22k
BOARD
5 GND
(3/4)
R932 R960
6 V-CONT CN301
1.8k 0
7 AC-CUT (Page
R935 R948
2.2k 150
8 MAIN-OFF
13)
R936
0
EB902
(CHASSIS)
2 4 9 8 2 9 9