Schematic Diagram - Dcdc Board - Sony HAP-S1 Service Manual

5-34. SCHEMATIC DIAGRAM - DCDC Board -

1 2
DCDC BOARD
A
CN2403
6P
STBY FET ON/OFF 6
B
>22S
STBY 5V 5
CL2428
STBY POWER 4
STANBY
POW RY 3
BOARD
CN1901
STBY AC STOP 2
(Page 77)
GND 1
C
CN2404
10P
D CL2427
STBY FET ON/OFF 10
CL2421
FAN CTRL 2 9
CL2420
FAN CTRL 1 8
CL2405
>20S
POWER RY 7
CL2406
STBY 5V 6
U-COM CL2407
MICON STOP 5
BOARD
CL2408
CN5003
AC STOP 4
(Page 67)
CL2409
DCDC1 EN 3
E CL2410
GND 2
GND 1
CN2408
5P
CL2401
MAIN NUTRAL 5
>23S
CL2402
MAIN LIVE 4
CL2425
T1 HDD NUTRL 3
F
MAIN POWER
NC 2
TRANSFORMER
CL2426
(Page 77)
HDD LIVE 1
G
CN2402
2P
>09S
DGND 2
DIGITAL IO
DGND 1
BOARD
W4002
(Page 57)
H
HAP-S1
• See page 73 for Waveforms. • See page 78 for IC Block Diagrams.
3 4 5
F2402
3.15A
250V
CL2413
D2402 Q2401
DA2J10100L 2PD601ART
1
AC DETECT 0
R2401 D2404
22k ~ D4SBS6
0.6
- +
4 3
R2403
~
10k
D2403
DA2J10100L 2
R2402 C2402 C2405
5.6k 4.7 2200
50V 35V
F2404
3.15A
250V
CL2431
1
D2405
~ D4SBS6
CL2430
- +
4 3
~
2
C2435
2200
35V
6 7 8
IC2402
DC/DC CONVERTER
51
RT7256ALZSP
C2412
0.1
R2407
10.2
100k
1
BOOT
12.8
2 Vin
5.2
3 SW
CL2414
4
GND
C2406 C2408 C2410
10 10 0.01
IC2403
DC/DC CONVERTER
52
RT7256ALZSP
C2413
0.1
9.7
1 BOOT
14
2 Vin
5.1
3
SW
C2407 C2409 C2411
CL2415
10 10 0.01
4 GND
IC2404
DC/DC CONVERTER
53
RT7256ALZSP
C2428
0.1
R2421
9.5
100k
1
BOOT
14
2 Vin
5.1
3 SW
C2425 C2426 C2427 C2430
CL2422
10 10 0.01 0.1
4
GND
Q2402
PDTC114ET
FAN MOTOR
SPEED SELECTION
SWITCH 0.3
0
75 75
9 10 11
CL2416
E
L2401
R2411
4.7uH
0
IC2402
R2412
22k
3.5
8
SS
12.4
EN 7
R2413
4.7k
NC 6
0.7
5 CL2417
FB
C2417 R2414
1000p 4.7k
100V
C2414 C2436 R2409 C2421 C2422 R2415
0.1 0.1 10 22 22 100
CL2418
E
L2402
R2416
4.7uH
0
IC2403
R2417
22k
3.5
R2408
SS 8
100
3.2
EN 7
R2418
4.7k
6
NC
0.7
FB 5
C2418 R2419
1000p 4.7k
100V
C2415 C2416 R2410 C2423 C2424 R2420
0.1 1 10 22 22 220
CL2429
E
L2403
R2423
4.7uH
0
IC2404
3.5
8
SS
13.6
EN 7
R2424
100k
NC 6
0.7
5 CL2424
FB
R2425
10k
R2426
4.7k
Q2403
PDTC114ET
FAN MOTOR
C2431
ON/OFF SWITCH 0.1
1000p
100V
0
C2429 R2422 C2432 C2433 R2434
0.1 10 22 22 4.7k
Note: When the hard disk drive (Ref. No. HDD1) is replaced, refer to "NOTE OF
REPLACING THE HARD DISK DRIVE (Ref. No. HDD1)" on page 4.
HAP-S1
12 13 14
D2406
DZ2J062M0L
CN2405
8P
1 MAIN 5V
2 MAIN 5V
R2431 0
>01S
3 GND
R2432 0
4 GND
MAIN
5 USB 5V BOARD
(2/9)
6 USB 5V
R2429 0 CN201
(Page 48)
7 USB GND
8 USB GND
C2419
R2430
47p
0
CN2406
CL2419
4P
WR3
1 HDD 5V
R2427
2 NC
HDD1
0
HARD
3 GND DISK
DRIVE
4 GND (2/2)
R2428
0
CN2407
4P
>13S
1 9V/6V
R2433 0
2 FAN GND
DIGITAL IO
3 MAIN GND
BOARD
CN4009
4 MAIN 5V
(Page 57)