Power Block Sr709 (Switching Regulator); Schematic Diagram - Sony SLV-798HF Service Manual

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
(Chilean, 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
min typ max
Ref. No
R103 0 6.8 100
E
R104 10k 10k 15k
R106 100k 120k 220k
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-318
REC/PB AMP, VIDEO, AUDIO,
SERVO/SYSTEM CONTROL,
TUNER
JK-159
(LINE-2 IN)
FR-130
(MODE CONTROL)
POWER BLOCK
DM-74
(OPERATION SWITCHES)
4 5
6
IC101
MIP184
L102 D101 - 104 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
4-37
There are few cases that the part printed on this diagram isn't mounted in this model.
7 8 9
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
1 V1 IC201
C204
1000/16
SHUNT REG.
AN1431T
D108 V2
D107
C208
PR1003
PR1003
0.1
PC101
PC123
PC101 *R205
PC123
*R202
D205
PR1003
C114
0.1
D206
PR1003
R206
0.47
11
10 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
GND
4
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
4-38E
SLV-798HF/998HF
13
TO
MA-318 BOARD
CN602
(SEE PAGE 4-25)
SWITCHING REGULATOR
POWER BLOCK SR709