Hitachi LE55S606 Service Manual page 24

11. Power
FB701
FB702
C701 C702 R707 R708
10N 50V 10N 50V
20K 10K
CN701
BL_ON
1 P12V
DIM
2
3 P12V
4
5
6 C707 C706
+
7
8 P24V 0.1uF 50V 220UF 16V
9 SMT
10 PW_ON
11 +5VSB
12
13 PW_OK P24V
CONN
C708
0.1uF 50V
+5VSB
ZD701 C718 + C716
NC/BZT52-C5V6 220UF 16V
0.1uF 50V SMT
For USB
P12V
C763
NC
LE55S606/LE55T506/LE55T516/LE55U516
+5VSB
R702
PWR_OK
R701 100R
PWR_OK 9,14
PS_ON
R704 100R
18K
1 2 300R 0.2A BL_EN
1 2 300R 0.2A BL_DIM
R709 VCC3_3
NC/10K R710
NC/4.7K
R711 0.05R
R712 NC/4.7K
Q702
NC/MMBT3904
Standby Power
U701
+5VSB AZ1117D 3V3_STB
3 2
VI VO
C703
C705 + C704
1uF 16V
100N16V 100UF 16V
0402 SMT
For Tuner
+5VSB 5VT
U706
G965-25ADJPIUF
R771
C776 C777 C762 C758
+
10uF 10V 0.1uF 50V 10uF 10V NC/220UF 16V
20K 1/10W 1%
VCC3_3 R773
R779
NC/10K 1/10W
1K 1%
PS_ON R774 R772 6.8KOHM +-1% 1/10W
100R
Vout = 1.2x(R1+R2)/R2
R767 NC
U709
NC L703 NC
9
LX
1 8
PGND NC
2 7
VIN SS
3 6 R766
AGND EN
4 5
FB COMP
C767
R769
NC NC C772
R768
C769 C765 C764 C768
NC NC
NC NC NC
C766 NC NC
NC
VCC3_3
R703
NC PS_ON
R705 NC/0.05R
BL_ON_OFF
R706 4.7K
BL_ON_OFF 6
Q701
MMBT3904
BL_BR_CTRL
BL_BR_CTRL 6,12
+5VSB D701 U702
SM340B
G9661
1 2 R713 10K
4
VPP NC
R755 3
VIN VO
NC/0 OHM 1/4W 2
VEN ADJ
C712 C713 1
POK GND
E-Pad
10uF 10V 1uF 16V
PWR_ON
R714 33R
Vout = 0.8x(1+R1/R2)
+5VSB FB704
1
300R 4A
+ C721 C722
100UF 16V 4.7uF 10V
SMT
5V_USB
+5VSB FB705
R765 1 2
C770 C771 300R 4A
C733 C734
NC NC
NC 4.7uF 10V 0.1uF 50V
R764
NC
R763
NC
24
+5VSB
+5VSB
R732
R733
3V3_STB
1K
4.7K R736
Q705 R737
MMBT3904 10K
4.7K
Q706 R739 PWR_ON
PWR_ON 6,12
MMBT3904 3.3K
VCC3_3 VCC3_3
5
6
7
8 R715 C710
9 C714 C715 + C709
1uF 16V
10uF 10V 100N16V 100UF 16V
R1 7.5K 0402 SMT
C719
R717
10N 50V
0402
0.05R
R719 2.4KOHM +-1% 1/10W Vout = 1.0x(R1+R2)/R2
R2
VCC3_3
R723 NC/33R R721 33R
2
R724 10R U704 C724
C723 AT1528P11U 073G253S 68
10uF 10V
0.1uF 50V 1 8 L701
VCC VIN
2 7
REF LX
3 6 2.2uH
GND PGND
C725 C726 4 5 R727
FB EN
1UF 10V 100N16V C730
0402 0402
10N 50V NC/2R2 +-5% 1/4W
R1
C732
NC/1N 50V
Vout = 0.8x(R1+R2)/R2
VCC3_3
R735 NC/1K R734 1K
R738 10R C735
U705
AT1528P11U 073G253S 68 H
10uF 10V
1 8
VCC VIN
2 7
REF LX
3 6 L702
GND PGND
C736 C737 4 5 R740 2.2uH R741
FB EN
C742
1UF 10V 100N16V C741
0402 0402 10N 50V
2.2uF 10V NC/2R2 +-5% 1/4W
R1 9.1KOHM +-1% 1/10W
C743 R742
0402
NC/4N7 50V
Vout = 0.8x(R1+R2)/R2
0.05R
3,4,5,6,7,10,12 +5VSB
5,6,7,9,10,12 3V3_STB
10 P24V
6,10,14 P12V
3 5VT
3,4,5,6,7,9,10,14 VCC3_3
9 VCC2_5
8,9 VCC1_8
9 VCC1_26
U703
G9141T11U VCC2_5
1 5
IN OUT
2 R716 C711
GND
3 4 10UF
SHDN SET
18K C717
R1
R718 10N 50V
0402
4K7 1/10W 1%
R720 15K
R2
H
VCC1_8
R728
C728 C729 + C727
10uF 100N16V 220UF 16V
0402 SMT
19.1K 1% C731
R730 10N 50V
0402
0.05R
R731 15K
R2
VCC1_26
C739 C740 + C738
10uF 100N16V 220UF 16V
0402 SMT
R743 15K
R2