Schematic Diagram - Dcdc Section - Sony STR-DA6400ES Service Manual

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3 7 6 3 1 5 1 5 0

6-94. SCHEMATIC DIAGRAM - DCDC Section -

1 2 3
DCDC1 BOARD
A
B
CX1402
3P
BY
C
AC24V 3
FILTER NC 2
BOARD
1
AC24V
CX1451
(Page 121)
D
26.2
L1404
100uH
E
T E
L 1 3 9 4 2 2 9 6 5 1 3
C1406
1000
35V
F JW1426
G
26.1
L1402
JW1428 100uH
R1417 C1423
22 2200p
H
D1403
C1404
1000 RK14-LFA-A1
I
35V
w w w
STR-DA6400ES
• See page 127 for IC Block Diagrams.
4 5 6
F1405
T6.3AL
250V
2
L1401
100uH
4 3
D1401
1
RBV-602LF-A
C1403
C1402
1000
3300
35V 35V
JW1422
IC1404
IC1404
SI-8050S-LF1101
+5.5V REGULATOR
IC B/D
1 2 3 4 5
5.5 5 2.4
L1410
100uH
R1406 R1408
47 47
L1405
100uH
C1407
C1416 C1428 D1406
1000
C1425
1000 0.1 RK14-LFA-A1
35V
0.1 16V
JW1424
IC1402
IC1402
SI-8008HFE
+3.3V REGULATOR
IC B/D
1 2 3 4 5
0.7 3.3
3.4
L1403
100uH
L1407
100uH
Q1409
RT1N241C-TP-1
REGULATOR
CONTROL
3.3
R1411 R1410
100
1k 0
C1409 C1414 C1430
0.1 1000 0.1 C1405
16V
2200
35V
R1412
330
x a o
y
. i
http://www.xiaoyu163.com
7 8 9 10
IC1401
SI-8050S-LF1101
IC1401
-5V REGULATOR
2 3 4 5 IC B/D
1
26.2 0 -5.1 -2.7
C1408
0.1
C1413
L1406
1000
100uH
16V
C1426
0.1
IC1405
SI-8120JF
IC1405
+12V REGULATOR
IC B/D
1 2 3 4 5
26.2 11.8 11.8 2.3
CN1402
3P
L1409
100uH
Q Q
3 7 6
C1412 C1417 C1427
0.1 1000 0.1
16V
CN1401
15P
IC1403
IC1403
SI-8008HFE
+4V REGULATOR
IC B/D
1 2 3 4 5
26.1 3.3
4 0.7
L1408
100uH
R1405
R1407
2.2k 1k
CX1451
4P
C1415
D1404 C1410 2200 C1429
0.1 0.1
FMB-G16L 16V
u 1 6 3
119 119
2 4
8 9 9
11 12 13
DCDC2 BOARD
IC1451
SI-8008HFE
1 2 3 4
CN1452 L1451
100uH
3P
1 24V 3
24V
2 GND GND 2
1 R1454
3 24V 24V
3 1 5 1 5 0 8 9
R1450
C1451
R1451
2200
35V
1 +24V
D1451
FMB-G16L
2 NC
3 GND_+24V
4 GND
5 DCDC-5V
6 GND-5V
Q
7 DCDC+12V
8 GND+12V
MAIN
9 DCDC+5.5V
BOARD
(3/3)
10 GND+5.5V
CN1402
11 DCDC4V
(Page 48)
12 GND4V
13 DCDC3.3V
14 GND3.3V
D-POW
15
BE
1 +5.5V
2 NC
FILTER
3 GND
BOARD
4 +4V
CN1422
(Page 121)
m
c o
.
STR-DA6400ES
2
8 9 9
14 15 16 17
IC1451
+4V REGULATOR
IC B/D
5
CN1450
BD
3P
1 3.6V
L1453
2 D VIDEO
100uH GND
BOARD
3 (7/10)
3.6V
CN3523
L1454
(Page 94)
10uH
R1452 R1453
2.7k 100
3 4
100
2 4 9 8 2 9 9
220
CN1451
CC
1 2
C1455 3P
C1453
2200 C1458
1 4.0V
470 0.1
16V 0.1
2 NETWORK
GND
BOARD
3 (4/5)
4.0V
CN8008
(Page 79)