Schematic Diagram - Dcdc Section - Sony STR-DA5400ES Service Manual

6-86. SCHEMATIC DIAGRAM - DCDC Section -

1 2 3
DC-DC BOARD
A
B
C BY
CX1402
3P
AC24V
3
MAIN
AC24V 1
POWER
TRANSFORMER
T1
(Page 111)
D
L1404
100uH
E
C1406
1000
F
G
L1402
100uH
R1417 C1423
22 2200p
H
C1404
1000 RK14-LFA-A1
I
35V
STR-DA5400ES
• See page 112 for IC Block Diagrams.
4 5 6
F1405
T6.3AL
250V
D1401
2 RBV-602LF-A
L1401
100uH
4 3
1
C1402 C1403
3300 1000
35V
35V
IC1404
IC1404
SI-8050S-LF1101
+6V REGULATOR
IC B/D
1 2 3 4 5
26.2 6 5 2.4
L1410
100uH
R1406 R1408
47 47
L1405
100uH
C1407
C1416
C1425 C1428 1000
1000
35V 0.1 16V 0.1 35V
IC1402
IC1402
SI-8008HFE
+3.3V REGULATOR
IC B/D
1 2 3 4 5
26.1 3.4 0.7 3.3
L1403
100uH
L1407
100uH
R1411 3.3
R1410
1k 100
0
C1409 C1414 C1430
D1403 Q1409
1000
0.1 0.1
RT1N241C-TP-1
16V
REGULATOR
CONTROL
R1412
330
7 8 9 10
IC1401
SI-8050S
IC1401
-5V REGULATOR
IC B/D
1 2 3 4 5
26.2 0 -5.1 -2.7
C1408
0.1
C1413
L1406
1000
100uH
16V
C1426
0.1
IC1405
SI-8120JF
IC1405
+12V REGULATOR
1 2 3 4 5 IC B/D
26.2 11.8 11.8 2.3
L1409
100uH
C1412 C1417 C1427
D1406
0.1 1000 0.1
RK14-LFA-A1
16V
IC1403 IC1403
SI-8008HFE
+4V REGULATOR
IC B/D
1 2 3 4 5
26.1 4 0.7 3.3
L1408
100uH
R1405 R1407
2.2k 1k
C1405 C1415
C1410 2200 C1429
2200
0.1 0.1
35V 16V
D1404
FMB-G16L
109 109
11 12 13
DCDC2 BOARD
SI-8008HFE
1 2
CN1402
CN1452 L1451
3P
100uH
3P
1 24V
24V 3
2 GND 2
GND
3 24V 24V 1
C1451
2200
35V
CN1401
15P
D1451
+24V FMB-G16L
1
GND_+24V
3
GND
4
DCDC-5V
5
6 GND-5V
Q
DCDC+12V
7
GND+12V
8
MAIN
+6V
9
BOARD
(3/3)
GND+6V
10
CN1402
DCDC4V
11
(Page 44)
GND4V
12
13 DCDC3.3V
GND3.3V
14
D-POW
15
CX1451
4P
BE
1 +6V
2 NC
D VIDEO
BOARD
3 MAIN_DGND
(7/10)
4 MAIN+3.6V
CN3523
(Page 82)
STR-DA5400ES
14 15 16
IC1451
IC1451
+4V REGULATOR
IC B/D
3 4 5
CN1450
3P
1
3.6V
L1453
2 GND
100uH
3 3.6V
L1454
R1452 R1453 10uH
R1454
2.7k 100
3 4
100
R1450
220
1 2
C1455
R1451 C1453
2200 C1458
470 0.1
16V 0.1
17
BD
D VIDEO
BOARD
(7/10)
CN3523
(Page 82)