Philips 22PFA5403S/67 Service Manual page 30

9-1-3 Main POWER2
Power supply mangement
5V_STB
C702
22PF 50V R701 0R05 1/16W
R704 100K 1%
U703
R706 C701
1 6
13.3K 1%
FB BS
0.1uF 50V
R707
2 5
EN LX
R708 4.7uH
100K 1/16W 5%
62K 1/16W 1%
3 4
R709 0R051/8W
GND IN
SY 8104ADC
C709
10uF 16V
VDD
5V_STB
1.5A DC-DC For VDD
VOUT=0.6*(1+10K/12K)=1.1V
FB701
2 1
R713
4.7K1/16W
120R 3A U705
SY 8009BABC
6
DDR_PWR_FB
FB
5
NC
4
IN
C715
C714 C716
2.2UF 6.3V
100N16V
1UF 10V
DDR
IF you need DDR3_1V5
VOUT=1.25*(1+110/249)=1.80V
VOUT=1.25*(1+(110//90.9)/249)=1.5V
5V0
AZ1084CD-ADJTRG1
3
VIN
C722
SMT
1UF 10V
P12V
[3] +12VO
5V_STB
Vout = 0.6x(1+100/13.3)=5.11V
FB702
L701 3.3A
1 2
300R
P12V C707
C708
22UF 10V
22UF 10V
C713 1UF 10V
1
EN
2
L702 4.7uH
GND
3
LX
C717 C719
C718
10UF
R714
10K 1/16W 22PF 50V
R715 DDR_PWR_FB
12K 1% 1/16W
DDR_VCC
U701
2
VOUT
R721
249 OHM +-1% 1/16W
C723
10UF 10V
R1
SMT
R722
0R05 OHM
R723
110R 1%
R2
5V0
R702
4.7K1/16W
R703
1K
BRI_PWM0
R705
NC/4.7K1/16W C703
NC/1UF 10V
5V0
R710
NC/4.7K1/16W
BLK_ON
R711 4K7 1/16W 5%
R712
4.7K1/16W
BLK_ON
0 Black light OFF
1 Black light ON
VDD_1V1
C720
47UF 6.3V
STB
STB_PWR
0 5V0 OFF
1 5V0 ON
3V3
BL_DIM
5V_STB
UZ1084G33TN3R
3
VIN
C704
1UF 10V
TUNER 3V3
BL_ON
5V0
U704
LD1117AG33AA3AR
3
VI
BLK_ON
C710
0 boot from ROM
1 boot from SFC
1UF 10V
5V_SB to 5V0
5V_STB
Q701
AO3401A
R716
C721
100K 1/16W 5%
100NF 16V
R718
47K 1/16W
R719
10K 1/16W 5%
R720
Q702
MMBT3904
10K 1/16W 5%
3V3
U702
2
VOUT
C705
C706
3V3_TUN
2
VO
C711
C712
5V0
R717
100K 1/16W 5%