Sony DVP-NS400D Service Manual page 71

Q Q
3 7 6 3 1 5 1 5 0
TOP-244U (SWITCHING REGULATOR) SCHEMATIC DIAGRAM
– Ref. No.: TOP-244U board; 6,000 series –
– US, CND –
1
TOP-244U BOARD
NO MARK: E-E MODE
A
C911
D913
0.01u
P6KE200A
400V
D910
UF4007
B
C910
+ +
150u
200V
T E
L 1 3 9 4 2 2 9 6 5 1 3
IC910
DC CONTROL
165.5
IC910
TOP-244Y
L
D
5.8
C
F
C912 R911
0.1u 6.8
50V
X
S
C
C913
+ +
47u
25V
0
R917 C917
22k 4700P
D
F900
CN101 2P
2A/125V
1
w w w
AC IN C900
0.1u
E 250V
.
2
05
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2 3
D920
UF202G
+ C921
470u
25V
T910
+ C925
D921
100u
UF4003
25V
C927
1000u
+
16V
C916
0.01u D922 L923
400V
UF5402G 11.3uH
PS923
1.25A
D911
IN4001
+ C931
100u
25V
D923
R922
UF4003
13.6 4.8 100
C914
+
10u
PC910
50V
PC123FY2
R921
1k
5.8 3.7
R928 R924
IC920
6.8k 11.5k
TL431A
5.8 0.1 C920 C922
3.7
0.1u 4700p
K 3
50V
A 2
REF 1
PC911
2.5
PC123FY2
IC920
R923
11k
SHUNT REG
SW911
POWER
C901
D901
2200p
IN4007
250V
D902
LF900 R900
C902
x a o
IN4007
y
23mH 1M 330p
1/2W 250V
D903
i IN4007
C903
D904
330p
IN4007
250V
ET902
4-57
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8
4 5
Q923
L921
2SB733-4
11.3uH
11.1 B+ SWITCH 11.1
R930 R931
390 1W
10k 3.6
10.3
2.1
+ C940
+ C934
470u Q922
R932
DTC114ESA-TP
25V
100k
B+ SWITCH
C924
+
L922
470u
11.3uH
25V
+ C936
R948
R934 R940
47u
1k
150 220
25V
5.8
PS922
1A
5.1 5
B+
Q925
D932 D933
2SC4040-TL2-R
IN4001 IN4001
3.5
B+
B+ SWITCH
3.4
Q924 Q927
2SC4040-TL2-R 2SC4040-TL2-R
B+ SWITCH B+ SWITCH
4.2
3.5 3.5
D926 D927
IN4001 IN4001
R938
Q Q
4.1 3 150 7 6 3 1
C930
+
D925
10u
MTZJ-4.3A
50V
C941 C929
+
R936
470u 100u
6.8k +
25V 25V
L924
D928
11.3uH IN4001
R937
R947
220
0.1
R949
22k
3.2
Q930
DTC114ESA-TP
POWER CONTROL
ET901
B+
u 1 6 3
.
2 4
9 9 8
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
6
B+
R935
R933
33
6.8k
10u
50V
B+
C926
0.1u
50V
CN920
B+
13P
1 P-DET
2 P-CONT
5 1 5 0 8 9 2 4
B– B–
3 EVER–11V
C944
0.1u 4 M_GND
50V
5 M_GND
B+
6 SW+11V
B+
7 SW+11V
B+
SW+3.3V
8
C954 C947
C943
0.1u 0.1u
0.1u 9 D_GND
50V 50V
50V
10 D_GND
B+
11 EVER+3.3V
B+
12 +5V
B+
13 EVER+11V
D931
R925
IN4001
47
2.1
R926
1k 2.8
Q929
2SC1740SLN-TP-RS
2.1
D930
LED DRIVE
IN4001
2.1
2.8
Q928
DTA114GSTP
R927
15k LED DRIVE
– 0.6
D929
SPR-325MVW
(ON/STANDBY)
m
c o
SWITCHING REGULATOR
4-58 E
DVP-NS400D
2
9 9
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
7
9 8 2 9 9
AI-23 BOARD(4/4)
(SEE PAGE 4-37)
TOP-244U