Sony SLV-M10HF Service Manual page 62

SLV-M10HF
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
125
D
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-335
NL-2
REC/PB AMP, VIDEO, AUDIO,
(SMARTFILE)
SERVO/SYSTEM CONTROL,
TUNER
AN-16
INNER SMARTFILE
SENSOR/WRITER
AJ-2
(LINE-2 IN)
AN-17
FRONT
SMARTFILE
SENSOR
POWER BLOCK SR821
FR-139 DM-81
(MODE CONTROL)
(OPERATION SWITCHES)
SWITCHING REGULATOR
POWER BLOCK SR821
4 5 6
R106
C109
D106
33K/3
0.033
1N4005
400
D107-110
R102
1N4005
100K
D109
D110
D102
+
C106
EG01
120/200
R103
D107
D108 100K
Q101,102
SWITCHING
C107
4.7/50
Q101
R104
2SC4054
10K
Q102
C105
2SC4040
1500P
C110
125
C112 0.047
D103
0.0047
ERA15-02
*R107
GND
D105
C111
1SS119
0.047
PC101
ON3131
*R109 D104
RD3.0ES
Ref. No min typ max
R107
100/1 120/1 120/1
R109 560 620 680
R207 1.5k 2.2k
1.2k
4-39
There are few cases that the part printed on this diagram isn't mounted in this model.
7 8
T101 POWER TRANSFORMER
D201
R201
S5 PR1003
10 1/2
P1
S4
D202
+
S3L20U
C202
1000/16
FB1
P2 S3
D204
D3S4M
C204
+
2200/16
IC201
SHUNT REG.
S1
AN1431T
C208
1/50
B1
PC101
ON3131
R108
22
R205
47
1/2
D206
PR1003
S6
B2
S8
D207
PR1003
S7
R204
0.47
9 10 11
C201 L202
47/50
20uH
+
R210
C203
1.5K
D205
220/16
0.5W
RD51F
L203
20uH
CN201
+
11 +38
C205
10 +13
470/10
9 +13
GND
8
7 GND
6 GND
+
*R207 5 +6V
C206
4 +6V
47/50
3
R206 -30V
1.8K
2 -F(0V)
1 +F(4.5V)
C209
0.01
VR201
500
R208
10
1/2
C207
470/10
R209
2.7
4-40E
12
TO
MA-335 BOARD
CN603
(SEE PAGE 4-25)