STR-DA5300ES - Sony Audio Service Manual (repair manual). Page 123

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STR-DA5300ES
123
123
STR-DA5300ES
6-91. SCHEMATIC  DIAGRAM  – DC-DC Board –
 See page 127 for IC Block Diagrams.
(11/12)
CN3523
BOARD
BD
D-VIDEO
(3/4)
CN1402
BOARD
AG
MAIN
T001
BS
       MAIN
      POWER
TRANSFORMER
IC B/D
IC B/D
IC B/D
IC B/D
IC B/D
25.4
4
0.8
2.3
2.3
0.8
3.4
25.4
2.3
5
5.9
25.4
25.3 12.1
12
2.3
2.3
0
25.6
0
-5
-2.6
35V
3300
C1402
16V
1000
C1414
16V
1000
C1416
16V
1000
C1417
16V
2200
C1415
100uH
L1402
100uH
L1403
100uH
L1404
100uH
L1405
250V
F1405
T6.3AL
RK14-LFA-A1
D1405
RK14-LFA-A1
D1406
1
3
3P
CX1402
AC24V
AC24V
1
2
3
4
5
SI-8120JF
IC1405
1
2
3
4
5
SI-8050S-LF1101
IC1404
RBV-602LF-A
D1401
1
2
3
4
35V
1000
C1406
35V
2200
C1405
35V
1000
C1404
RK14-LFA-A1
D1403
FMB-G16L
D1404
1
15
3
4
5
6
7
8
9
10
11
12
13
14
15P
CN1401
+24V
D-POW
GND_+24V
GND
DCDC-5V
GND-5V
DCDC+12V
GND+12V
+6V
GND+6V
DCDC4V
GND4V
DCDC3.3V
GND3.3V
50V
10
C1411
35V
1000
C1407
0.1
C1412
0.1
C1410
0.1
C1409
1
2
3
4
5
SI-8008HFE
IC1403
RT1N241C-TP-1
REGULATOR
  CONTROL
Q1409
R1409 100
220
R1403
470
R1404
R1407
1k
R1405
2.2k
330
R1401
330
R1402
R1408
47
R1406
47
C1423
2200p
R1417
22
1
3
4
4P
CX1451
+6V
GND
+4V
1
2
3
4
5
SI-8008HFE
IC1402
330
R1412
1k
R1411
100
R1410
100uH
IN
OUT
GND
FB
CONTROL
IN
OUT
GND
FB
CONTROL
IN
OUT
GND
FB
CONTROL
IN
OUT
GND
FB
CONTROL
L1409
100uH
L1410
100uH
L1408
100uH
L1407
IC1405
+12V REGULATOR
16V
1000
C1413
100uH
L1401
100uH
L1406
RK14-LFA-A
D1402
1
2
3
4
5
SI-8050S
IC1401
35V
1000
C1403
0.1
C1408
IN
OUT
GND
FB
CONTROL
IC1401
-5V REGULATOR
IC1404
+6V REGULATOR
+3.3V REGULATOR
+4V REGULATOR
IC1402
IC1403
DC-DC BOARD
A
H
11
G
5
D
4
12
B
C
2
6
I
E
9
7
8
3
F
10
1
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