SLV-798HF/998HF
POWER BLOCK SR709 (SWITCHING REGULATOR) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
— Ref. No.: SR709 Board; 9,000 Series —
There are few cases that the part printed on this diagram isn’t mounted in this model.
4-37
4-38E
MA-318
REC/PB AMP, VIDEO, AUDIO,
SERVO/SYSTEM CONTROL,
TUNER
FR-130
(MODE CONTROL)
DM-74
(OPERATION SWITCHES)
POWER BLOCK
JK-159
(LINE-2 IN)
SWITCHING REGULATOR
POWER BLOCK SR709
L
F101
T2AL 250V
C101
0.1/250
L101
+
+
+
+
GND
T101 POWER TRANSFORMER
D201
D202
D203
C202
1000/16
D204
C201
47/63
L202
10uH
C203
220/16
C205
470/10
L203
10uH
C206
47/50
*R204
PC101
D205
C208
0.1
+
IC201
SHUNT REG.
PR1003
RD56FB
EG01C
S3L20U
D3S6M
1N4005
Ref. No
min
typ
max
PC123
C204
1000/16
AN1431T
TO
MA-318 BOARD
CN602
110-240VAC
1
2
3
4
5
6
7
8
+38
+13
+13
GND
GND
GND
+6V
+6V
POWER BLOCK (SR709)
(Chilean, PX MODEL)
C104
R101
1M
1/2W
AC IN
C102
0.1/250
H
CN101
9
-27V
-F(0V)
+F(4.6V)
+
C207
470/10
C209
0.047
R201
4.7 1/2
+
D206
PR1003
R206
0.47
R207
2.7
*R202
VR201
5k
CN201
(SEE PAGE 4-25)
P1
P2
V1
V2
R103
R104
R207
0
6.8
100
10k
10k
15k
100k
120k
220k
L102
D101 - 104
D102
D103
D104
D101
1000p
250
C103
1000p
250
C107
1000p
250
C108
1000p
250
+
R107
6.8
C114
0.1
*R106
R105
3.3k
C115
0.1
*R104
*R103
C111
47
35
C112
0.1
C116
47p
1k
R108
47
1
R102
47k
3
C110
0.01
400
IC101
1
2 3
4
5
D105
EG01C
C109
180
400
D107
PR1003
D108
PR1003
PC101
PC123
MIP184
C113
0.01
R209
10
C210
1000p
1k
*R205
R203
18k
*R208
10
11
R106
R202
R205
R208
47
470
470
1k
10k
47k
0
2.7
4.7
10
47
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
F
13
Note :
The components identified by
mark
Replace only with part number
specified.
Note :
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
