Power Block Sr821 (Switching Regulator); Printed Wiring Board And Schematic Diagram - Sony SLV-M20HF Service Manual
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Also See for SLV-M20HF:
- Service manual (143 pages) ,
- Operating instructions manual (88 pages) ,
- Hookups and settings (52 pages)
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Q Q
3 7 6 3 1 5 1 5 0
POWER BLOCK SR821 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
— Ref. No.: SR821 Board; 9,000 Series —
1
2
3
POWER BLOCK (SR821)
A
F101
2A 125V
L101
B
C102
L
0.1/250
C101
0.1/250
AC IN
H
120VAC
CN101
R101
C
6.8M
1/2
C103
470P/125
C104
470P
D
T E
L
1 3 9 4 2 2 9 6 5 1 3
E
F
16
Note :
Note :
The components identified by
Les composants identifiés par
mark ! or dotted line with mark
une marque ! sont critiques
! are critical for safety.
pour la sécurité.
Replace only with part number
Ne les remplacer que par une
specified.
pièce portant le numéro spécifié.
MA-335B
MG-21
REC/PB AMP, VIDEO, AUDIO,
SMART FILE,
SERVO/SYSTEM CONTROL,
GUIDE PLUS
TUNER
AN-16A
INNER SMART FILE
SENSOR/WRITER
AJ-2A
(LINE-2 IN)
w w w
AN-17A
FRONT
.
SMART FILE
SENSOR
POWER BLOCK SR821
FR-139B
DM-81A
(MODE CONTROL)
(OPERATION SWITCHES)
4
5
C109
D106
0.033
1N4005
400
D107-110
R102
1N4005
100K
D109
D110
+
C106
120/200
R103
D107
D108
100K
Q101,102
SWITCHING
C107
4.7/50
R104
10K
125
Q102
C105
2SC4040
1500P
125
C112
D103
0.0047
ERA15-02
GND
C111
0.047
PC101
ON3131
*R109
Ref. No
min
typ
max
R107
100/1
120/1
120/1
R109
560
620
680
R207
1.5k
2.2k
1.2k
x
a o
y
i
4-45
http://www.xiaoyu163.com
8
There are few cases that the part printed on this diagram isn't mounted in this model.
6
7
8
T101 POWER TRANSFORMER
D201
S5
PR1003
P1
S4
R106
33K/3
D202
+
S3L20U
C202
1000/16
FB1
D102
EG01
P2
S3
D204
D3S4M
C204
+
2200/16
IC201
Q101
SHUNT REG.
2SC4054
S1
AN1431T
C110
C208
0.047
1/50
B1
PC101
ON3131
*R107
R108
D105
22
Q
Q
1SS119
3
7
6
3
R205
47
1/2
D206
D104
PR1003
S6
RD3.0ES
B2
S8
D207
PR1003
S7
R204
0.47
u 1 6 3
.
http://www.xiaoyu163.com
2
4
9
9
8
9
10
11
R201
10 1/2
C201
L202
47/50
20uH
+
R210
C203
1.5
D205
220/16
0.5W
RD51F
L203
20uH
CN201
+
11
+38
C205
10
+13
470/10
9
+13
9
GND
8
8
7
7
GND
6
6
GND
+
*R207
5
5
+6V
C206
4
4
+6V
47/50
3
3
R206
-30V
1.8K
2
2
-F(0V)
1
1
+F(4.5V)
C209
1
5
1
5
0
8
9
2
4
0.01
VR201
500
R208
10
1/2
C207
470/10
R209
2.7
m
c o
4-46E
SLV-M20HF
2
9
9
12
H
TO
MA-335 BOARD
CN603
(SEE PAGE 4-23)
9
8
2
9
9
SWITCHING REGULATOR
POWER BLOCK SR821
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