Power Block Hs-930Sh (Switching Regulator) Schematic Diagram - Sony DVP-K800D Service Manual

POWER BLOCK HS-930SH (SWITCHING REGULATOR) SCHEMATIC DIAGRAM

— Ref. No. HS-930SH Board; 8,000 Series —
1
C112
D109
0.047µF
D1N60
630V
A
436
337
C113
470pF
2KV
Q103
2SK2563
SWITCH
337
R106
R104
100K
470K
1/2W
1/2W
2.8
C110
+ Q101
120µF
2SK2563
400V
SWITCH
R105
B
470K
C117
1/2W
R115
0.0033µF
15K
50V
C
!
CN101
F101
1
250V
CNP901
2A
L101
C101 R101
AC IN 0.1µF 18mH
470K
250V 0.5A
1/2W
2
D
16
2 3
C114
+
1µF
400V
R152
L150
0.22
45
R120
100K C116
R116
1/2W 0.01µF
220
50V
2W
2.8
R112
D104
3.3K
Q102
0 2.4V
2SC3377
SWITCH
R113 R110
D102
D106 680 3.3K
18V
D1N60
1W
C115
0.033µF
50V
R114
2.2K
D105
1SS270A
C102
0.1µF
L102
250V
18mH
0.5A
D101
S1NB60
PC101A
TLP721F
C104
C103
330pF
330pF
250V 250V
IC301
C107 C108
330pF 330pF
SHUNT REG
250V 250V
4-77
4 5
!
T101
D211
S2L20U
L211
10µH
2.6A
+ C211 C212
330µF
47µF
35V
35V
D311
D3S4M
L311
10µH
2.6A
D611
D3S4M
C311
330µF
+ C312 + + C611
35V
330µF
560µF
D212 35V
35V
24V
1W
C511 + C512
1000µF 47µF
25V 35V
D511
S2L20U
L511
10µH
2.6A
PC101B
TLP721F
R301
68
R304
R303
1.5K
1K
R305
+ C301 330
4.5
1µF
50V
IC301
AN1431T
2.5
R306
1.5K
6
11.8
11.8
!
R211 Q211
+ 10K 2SJ488
REG P211
6.0
60V
750mA C214 C213
+
47µF
47µF
R212
35V 35V
10K
P312
IC611
60V
!
3.3V REG
750mA
!
5.5
5.4
IC611
R314 Q311
P311 R514
PQ3RD13 5.4
10K 2SA1679
4.8 60V 10K
3.3
4.2 5.2V REG
2.0A
I O
G CT 5.3
4.7
+ Q512
R311 C612
3.1
2SA933S
47µF
82
–12 SWITCH
1/2W 35V
5.4
+ C313
R312
D312
47µF
0.2 1K
35V
D313
1SS270A 2.7V
Q312 R513
+ C314 +
10K
2SC1740S
C315 100µF
POWER
0.8 10µF
35V
CONTROL
R317
50V
10K
R511
10K
C513 +
47µF
+
35V
–3.2
R512
10K !
–11.8
–11.8
P511
Q511
60V
2SK2279
750mA
–12V REG
Note : The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part number specified.
4-78
DVP-K800D
EXCEPT E MODEL
7
+
CN201
1
+5.2V
G
2 +5.2V
3 GND
MB-78 BOARD
4 +3.3V
CN001
5
GND
(SEE PAGE 4-31)
6
E+5V
7 GND
8 P-CONT
9 AU+12V
H
10
AU GND
+
C411
11 AU –12V
47µF MB-78 BOARD)
35V 12 –12V
CN002
(SEE PAGE 4-31)
13 GND
14
MTR +12V
15
MTR GND
CN202
1 E+12V
2 GND NOT USED
3 E–12V
SWITCHING REGULATOR
POWER BLOCK HS-930SH