RDR-HX900
3-6. POWER BLOCK DIAGRAM (3/3)
3-11
3-12E
SWITCHING REGULATOR(POWER BLOCK)
1
AC IN
AC INLET
2
L
N
TO
HDD&DVD
TO
AV-092 BOARD
TO
RD-50 BOARD
1
4
CN4
CN3
CN2
SW12V
SW5V
8
10
13
4
2
5
6
12
SW12V
UNSW12V
XP_FAIL
UNSW6.0V
USW-8V
UNSW3.3V
SW3.3V
UNSW6.0V
SW2.5V
UNSW3.3V
SW3.3V
P-CCONT
IC101
SWITCHING
IC401
SHUNT REG
IC501
SHUNT REG
IC503
SW2.5V REG
IC502
UNSW3.3V REG
VR501
Q501
IC301
SHUNT REG
PC101(2/2)
PHOTO COUPLER
PC101(1/2)
PHOTO
COUPLER
L103
D301
D401
D451
D501
D601
L301
L501
T101
POWER
TRANSFORMER
F101
T3.15A/250V
L101,102
D101-104
CN101
1
5
6
4
14
L401
VR401
12V REG
Q303
Q451
P401 2A
P501 2.5A
P601 1A
IC402
5V REG
9
12
SW 12V REG
Q301
P301 1A
1
2
4
1
4
2
SWITCH
7
6
5
4
1
Q302
SW 3.3V
REG
UNSW 3.3V
REG
VIN
VOUT
L601
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299