Schematic Diagram; Power Block Sr709 (Switching Regulator) - Sony SLV-777HF Service Manual

SLV-777HF/778HF/788HF
POWER BLOCK SR709 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
— Ref. No.: SR709 Board; 9,000 Series —
1 2 3
POWER BLOCK (SR709)
A
(PX MODEL)
F101
C102
L101
T2AL 250V
0.1/250
B
L
R101
C101
1M
0.1/250
1/2W
AC IN
H
110-240VAC
CN101
C
C103
1000p
250
C104
1000p
250
D
GND
Ref. No min typ max
R103 0 6.8 100
E
R104 10k 10k 15k
R106 220k
100k 120k
R202 47 470
470
R205 1k 10k
47k
R207 0 2.7 4.7
R208 10 47
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-327
REC/PB AMP, VIDEO, AUDIO,
SERVO/SYSTEM CONTROL,
TUNER
JK-162
(LINE-2 IN)
FR-138
(MODE CONTROL)
POWER BLOCK
DM-80
(OPERATION SWITCHES)
SWITCHING REGULATOR
POWER BLOCK SR709
4 5 6
IC101
MIP184
D101 - 104
L102 1 2 3 4 5
1N4005
D101
D102
D103 +
D104
C109
180
400
+
C111
C112
47
0.1
35
C107
1000p
250
C108
1000p
250
R107
6.8
*R106
R105
C113
3.3k
0.01
C115
0.1
4-31
There are few cases that the part printed on this diagram isn't mounted in this model.
8 9
7
T101 POWER TRANSFORMER
D201
EG01C
P1
C110
R102
0.01
47k
400
3
D202
+
S3L20U
C202
1000/16
D105
EG01C
P2
C116
D203
47p
D3S6M
1k
C210
R209
R108
1000p
10
47
1k
V1
1 IC201
C204
1000/16
SHUNT REG.
AN1431T
D108 D107 V2
C208
PR1003 PR1003
0.1
PC101
PC123
PC101 *R205
PC123
*R202
D205
PR1003
C114
0.1
D206
PR1003
R206
0.47
10 11
12
R201
4.7 1/2
C201
L202
47/63 10uH
+
C203
D204
220/16
RD56FB
L203
10uH
CN201
+
1 +38
+
C205
2
+13
470/10
3 +13
4 GND
5 GND
6 GND
+
*R204 7 +6V
C206
8 +6V
47/50
9 -27V
10 -F(0V)
+F(4.6V)
11
VR201
5k
R203
C209
18k
0.047
*R208
C207
470/10
R207
2.7
4-32E
13
TO
MA-327 BOARD
CN602
(SEE PAGE 4-21)