Sony RDR-GX300 Service Manual page 89

Q Q
3 7 6 3 1 5 1 5 0
1 2
SWITCHING REGULATOR (SRV1470EK)
POWER SUPPLY
-REF.NO.:30000 SERIES
A
D102 D101
D101-D104
IN4005L
C105
REG
150/400V
B
D104 D103
C102
R102
0.1u
220k
C
L102
LFT
Z102
R111 C114
DSP-501N
C104
680p
0.22
100p
1w
C103
100p
R114
220 L101
1/2w LFT
R107
R108
R101
D 0
1M 1/2w
C101
0.1u
T E
L 1 3 9 4 2 2 9 6 5 1 3
PC101(1/2)
Z101 P32561AL
F101
S10K300
PHOTO COUPLER
T3.15A
250V
E
L N
CN101
AC IN
50/60Hz
F
Note : The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
16
w w w
.
3 4 5
C112
T101
1000p
POWER TRANSFORMER
C106
1000p/1kV
R104
100k/1w
R113
22 1/2w
D105
C107
SARS01
470p
1kV
D109 D106 R105
R103
PR1003 22 L103
1SS133
220k
R109
D107
330k
1SS133
C113 C110
4 3.3u 10u
1
50V 50V
R106
7 1k
D108
R110
1SS133
6 5
820k
IC101
47k
STR-W6852N C115
C109
220p
100p
C108
2200p
C111
IC101
3.3u
SWITCHING
50V
x a o
y
i
4-77
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8
6 7 8
Q303
L301
R305 2SJ438
10uH
12V REG
330
D301
S3L20u
D303
1SS119
R306
150 1/2W
C303
C302
470u
1000u
IC301
16V
16V
M5237ML
IC301
L401
CLAMP 10uH
D451
R451
1SS119 150
D401
R402 VR401
R401
FCQ08A04
1k
470
1k
R405
R403
2.7k
C401 R453
0
2200u 15k
PC101(2/2)
10V
C405
C403
R452
P32561AL1
1u 50V 470u
33k
PHOTO COUPLER
16V
C451
IC401 R406
0.1u
2.2k D452
TL431CLP
1SS119
IC401
Q501
2SK3754 R508
SHUNT REG
10k
SW3.3V REG
D501 Q Q L501
3 7 6 3
10uH
FCQ08A04
R503
VR501
1k
1k
C506
C501 C502
0.1u
2200u 470u
10V 16V
IC501
TL431CLP
C601
D601 IC501
470u
11EQS04
SHUNT REG
16V
IC502
PQ3RD13
IC502
UNSW3.3V REG
u 1 6 3
.
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2 4
9 9 8
9 10 11
P301
1A
B+
Q301
2SJ525
B+
SW12V REG
R301 R307
1.5k
10k
R303
1k
R304
D304 R308
39k
1SS119 1k
C304
100u Q302
R302 DTC114
16V
4.7k
SWITCH
IC402
PQ05RD21
1 2 B+
IC402 R408
3 4
1k
SW5V REG
R407 C404
10k 100u 16V
R454
P401
Q451 12k 2A
2SC2412
10
LEVEL SHIFT
C455 11
R455
0.1u
68k 12
C453
13
0.47u
B+
1
P501
R506
1 5 1 4 5 0 8 9 2 4
2.5A
1.2k
3
IC503
2 PQ025EF01SZ
B+
C503
IC503
100u
SW2.5V REG
16V
R507
C504
4.7k
100u
16V
10
C602
P601
L601
11
470u
1A
10uH
16V B-
12
B+
13
C505
14
100u
16V
15
m
c o
4-78
RDR-GX300/GX700
2
9 9
12
CN4
1 SW12V
2 GND
HDD DISK
DRIVE
3 GND
4 SW5V
DVD
DRIVE
CN3
1 A-GND
2 UNSW3.3V
3 A-GND
4 SW3.3V
5 UNSW6.0V
6 UNSW6.0V
TO
AV-84 BOARD(1/8)
7 D-GND
CN101
8 SW12V
(SEE PAGE 4-7)
9 D-GND
UNSW12V
D-GND
UNSW-8V
XP-FAIL
CN2
1 UNSW6.0V
2 A-GND
3 A-GND
9 8 2 9 9
4 UNSW3.3V
5 SW2.5V
6 SW2.5V
7 D-GND
TO
8 D-GND
RD-50 BOARD(19/22)
9 SW3.3V CN1801
(SEE PAGE 4-67)
SW3.3V
SW3.3V
SW3.3V
D-GND
P-CCOUT
GND
POWER SUPPLY
SWITCHING REGULATOR (SRV1470EK)