
BD101
To I/O
(P1701)
To DVD/HDD
(P1D01)
To FAN MOTOR
(P104)
BR BL
(BK)(WH)
!
14VA
-28V
33VA
3.8VA
PWR_CTL_H
5.3VA
FD(-)
FD(+)
Y CAP
(C113)
Y CAP
(C112)
DRIVE & SW BLOCK
(IC101,D102,R105,
ZD101,ZD103,
R109,C104,C107,
C108,C109, BC101)
SNUBER
BLOCK
(D101,R104,
C105,C106)
NOISE FILTER
BLOCK
(V101,C101,C102,
R101,L102)
FUSE
(F101)
12V
5V
FAN
5V REG &
SW BLOCK
(IC156,R156,
C156)
12V REG &
SW BLOCK
(IC155,R155,
C155)
14V RECTIFIER &
SMOOTHING BLOCK
(D124,C123,L123,C133)
3.8V RECTIFIER &
SMOOTHING BLOCK
(D127,C124,L124,C134)
33V RECTIFIER &
SMOOTHING BLOCK
(D126,C126,R147)
5.3V RECTIFIER &
SMOOTHING BLOCK
(D128,C125,L125,C135)
T101
RECTIFIER &
SMOOTHING BLOCK
(D121,FR121,C120,R181,
R191,R131,ZD121)
RECTIFIER &
SMOOTHING BLOCK
(D122,C122,R122)
5V RECTIFIER &
SMOOTHING BLOCK
(D125,C121)
FEEDBACK
BLOCK
(R141,R142,
R143,R144,
R145,R146,
C143)
PHOTO COUPLER
(IC102)
ERROR AMP
(IC103)
TH01
A
C
B
D
C103
!
!
!
!
3
6
7
9
12
13
14
15
16
17
22
21
20
19
18
6
7
3
5
1
4
!
4
3
2
1
A
B
C
D
E
F
A
B
C
D
E
F
8
7
6
5
4
3
2
1
8
7
6
5
B - 2
B-2 SMPS Circuit Block Diagram