Schematic Diagram - Power Board - Sony SWF-BR100 Service Manual

3-9.

SCHEMATIC DIAGRAM - POWER Board -

1 2 3
POWER BOARD
A
EB901
(CHASSIS)
F900
CN900
T5AH
3P
AC1 250V
CL900
(AC IN)
LIVE 1
B
NC 2
CL901
CAM901
NEUTRAL 3 PATTERN
SPARK-GAP
C
117.4
D 1
S/GND 3
21.4
4
Vcc
D
0
OLP/SS 5
1.4
FB 6
0.6
7
OCP/BD
IC920
POWER CONTROL
IC920
E
STR-W6765N
Q922
LTA014EUBFS8TL
0 21.4
JL908
F
21.3
D932
DZ2J100M0L
13.3
JL911
G
FR910 LTC044EUBFS8TL
1
1/2W
R910
33k IC910
POWER CONTROL
STR-A6159M
CL915
136
START_UP
H 5
CL916 129.1
DRAIN
7
129.1
DRAIN
8
I
J
SWF-BR100
• See page 22 for IC Block Diagrams.
4 5 6
JS903
CL902
C900 R900 VDR900 C937 C904
0.22 1M 0.1 470p
250V 1/2W 250V 250V
LF901 LF902
LINE FILTER LINE FILTER
CL921
C922
680p Q901
2SA1980-AT
CL922 1.5kV
B+ SWITCH
CL923
CL924 C924 10 50V
21.4 21.4
CL925
20.7
CL926
R929 R904
1k 10k
C925
470p
JL900
CL909
R931 D927 C932 C927 R903
4.7k UDZSUSTE-176.2B 0.1 47 4.7k
50V
R920
R921 R922 JL901
100
0.36 0.47 R930
2W 2W 1k
C930 R932
0.01 68k
JL909
TH920
Q921, 922
OVER LOAD
PROTECT
0.1
C931
0.01
Q921
IC910
CL914
2
4
FB
CL913
3
GND
22 CL912
2
VCC
CL911
D916
1
OCP DZ2J051M0L
R911 C916 C917 R916 C919
D913
5.6 4700p 2.2 680k 1
DZ2J24000L
50V 50V
7 8 9 10
2
~ CL903 CL904
– +
4 3
C907
TH900
~
JS904 470p
1 250V
D900
D3SB60F3
C936
130
450V
C921 R923
CL905
0.0033 82k
400V 3W
CL920
D920
SARS10
Q920
2SD1388TP-4
D924 CL927
CL930 CL929
D1NL20U-TR2 REGULATOR
-2.9 -0.5
R926 R925 R927
820 4.7k 4.7k
-4.2
CL928
D901 D925 D922
D1NL20U-TR2 DA2J10100L DZ2J200M0L
JL904
R905 R901 C929 C928 D923
100k 10 100p 2200p DA2J10100L
100V
JL903
R902 JL902
4.7k
D902
D926 DA2J10100L
DA2J10100L JL905 JL906
D931 D930 D929
DA2J10100L
DZ2J068M0L DZ2J330M0L
CL910
C911
0.0033
400V
R913
100k
2W
CL918
Q923 D912 D911
2SC5053T100Q DZ2J100M0L D1NL20U-TR2
REGULATOR
22 22.7
R915 D910
22.6
4.7k 1F6G
R914
C914 2.2
47
100V
CL917
21 21
11 12 13 14
C940
0.0047
CL941
2kV
C943
0.047
JS905
D940
FMX-22SL
T902
3
MAIN POWER TRANSFORMER
1 14
2 13
3 12
11
2
5 10
C946 C941 R941
6 9
R924 0.1 1000 1k
47 35V
7 8
CL940
PC902
EL816M(B)(DTE-S)
ISOLATOR
20.4 3 1 32.2
R940
1k
7.6 31.1
4 2
R961
CL943 3.3k
PC903
EL816M(B)(DTE-S)
ISOLATOR
12.4 3 1 4.2
3.1 31.1
4 2
CL964 JL912
R960
3.3k
0
3.3
Q960
LTC044EUBFS8TL
POWER ON/OFF
PC901
CONTROL
EL816M(B)(DTE-S)
ISOLATOR
2 4.2
3 1
JL914
R950
1k
3.1
4 2
R951
CL953 470
3 4
T901 D950 IC950
RK36LF-B3
SUB POWER TRANSFORMER
1 9
SHUNT REGULATOR
2 7
MM1431CURE
4
2 1
5
6 8 10
SWF-BR100
15 16 17
CL942
R947 R949 C947
R943 2.2k 1k 0.1
1k
JL919
R946 C944
R942 27k
0.01
470k
4
IC940
SHUNT REGULATOR
IC940 R945
MM1431CURE 100
1
R944 CN901
2.2k 9P
1 32V
2 NC
3 32V WR2
4 32V
5 GND
6 GND
R963
7 GND
100
CL962 CL960
8 MAIN_ON
(Page 19)
9 E4V
CL963
R962
22k
JL913
Q961, 962
POWER VOLTAGE
CONTROL
Q961
LSCR523UBFS8TL
0
Q962
LTC044EUBFS8TL
0
3.3
C960
0.1
JL915
R953
C953
10k
0.047
R955
EB902
3.9k
R956 C954
2.2k 0.01
(CHASSIS)
JL917
R957 R959
470 10k
CL952
IC950
CL951
C951 C952
2200 0.01
10V
CL950
18
>02S
MAIN
BOARD
(2/2)
CN104