Philips 43PUT6504/56 Service Manual page 51

9-4-2 System Power
M A I N P O W E R
BL_DIG_DIM
OPWRSB_PWR
BL_ON/POK CN701
16 15 2
14 13
ZD707
12 11 2
10 9
ZD708
8 7
AU_12V
6 5
Main_12V
4 3
2 1
CONN C707 100NF 16V
C708 100NF 16V
STB_PWR
C709 NC/100NF 16V
R703 NC/0R05
+5V_STB
U706
Bi g p l a n e
8
Main_12V
VIN
R784 0R05
MP8771GQ
C745 C746 C703
10uF 16V 10uF 16V 100NF 16V
R760
OPWRSB_PWR 3
EN
100R 5%
7
C747
PG
R713
100K 5%
M P 8 7 7 1 : M a x : 1 0 A
Vin 4.5 V~ 17V
14
VCC
V o u t = 0 . 6 V ⊙ ( 1 + ( R 1 / R 2
))
V o u t = 0 . 6 V ⊙ ( 1 + ( 2 0 / 3 0
))=1.0V
C748
1uF 16V
DVDD3V3
U709
G5725ADJT11U
4 3
L711
VIN LX
C743
C752 100NF 16V
R727
1 5
NC/100OHM
10uF 25V
EN VFB
R723
C714
3K3 5%
C730
NC/10NF 50V
NC/100N 16V
R776
24K 1%
V o u t = 0 . 6
C P U & G P U C a p a c i t o r s
CPU_GPU_P
B o t t o m s i d e o f M a i n C h i p
C4456 C4441 C4431 C4450
10uF 6.3V 1uF 16V 1uF 16V 1uF 16V
3V3SB
NC/BZT52-B22
NC/BZT52-B22
1
R709
15K 5%
1
AU_12V
OPWRSB_PWR
Main_12V
C704
Q710
1UF 50V
BC847N3
M o d i f y b y E M I
R743
2
0R05 1/10W
BST
P G O O
Normal:open drain by pull-up vlotage tim ing
C749
Abnormal:low
0.1uF 50V
L703
16
SW
0.33uH 20%
1
NC1
15
R741
NC2
10R 1%
C750
1NF 16V
R725
R708
4
R 1 R700
FB
1K OHM 1% 20K 1% 3K OHM 1%
6
SS
R2 R710
C702
30K OHM 1%
22NF25V
M a x : 8 0 0 m A AVDD1V2
2.2uH
DVDD3V3
C717 R777 ZD711
24K 1% C751 C744
NC/22P 50V 10uF 6.3V 10uF 6.3V
R734
300R 1/10W 1%
x ( 1 + 2 4 0 0 0 / 2 4 0 0 0 ) = 1 . 2 V
C4455 C4469 C4470
1uF 16V 1uF 16V 1uF 16V
C4432 C4479 C4480
100NF 16V 22UF 6.3V
10uF 6.3V
O P W R S B : DVDD3V3
Normal: Low
Stand_by: Hi
R706
10K 5%
R712
BL_DIG_DIM R711
R767
OPWRSB 100R
R714
4K7 5%
R715
Q703
47K 5%
BC847N3
VCCK
D
Bi g p l a n e
ZD712
C757 C758 C759 C760
22UF 6.3V 22UF 6.3V 22UF 6.3V 22UF 6.3V
R737
0R05 1/16W
e M M
R724 10K 1/8W
DVDD3V3
U704
G9661-25ADJF11U
9
+5V_SW
E-Pad
1 8
POK GND
2 7
VEN ADJ
3 6
VIN VO
4 5
VPP NC
R764
C712 C731
C718 R728
10uF 6.3V 100NF 16V 2K 1%
1uF 16V
R 1
2 . 0 A ( S p e c . )
R766
100R 1%
R735
R 2
0 . 8 x
1.65K 1%
VCCK B o t t o m s i d e o f M a i n C h i p
C4428 C4424 C4444 C4452 C4430
22uF 6.3V 22uF 6.3V 1uF 16V 1uF 16V 1uF 16V
0 9 2 6 m o d i f i e d 1 0 1 8 t o 0 8 0 5
C4550 C4467
V C C K C a p a c i t o r s 100NF 16V 10uF 10V
0 9 2 6 m o d i f i e d
3V3SB
DVDD3V3
R768
NC/4.7K1/16W
R705
4K7 5%
R765
NC/0R05 1/16W
R722 A_DIM_ADJ INV_EN R770
4K7 5% 0R05 1/10W
B R I G H T _ A D J : B L _ O N / O F F :
Normal:Max:+3V3, Min:0V Inverter on:High
R763
Stand_By:0V Inverter off: Low
10K 5%
A NA L O G P O W E R A V D D 1 V 0 5 _ S T B
R779
U710 G5725ADJT11U
4 3
+5V_STB
VIN LX
C798
0R05
C797
100NF 16V
1 5
10uF 25V
EN VFB
R762
R761
3K3 5%
C792
NC/100N 16V
A_DIM_ADJ
OPWRSB
OPWRSB_PWR
C 1 V 8
INV_EN
DVDD1V8_EMMC
( 1 A / 6 0 m i l )
R726
0R05
ZD710
C715
10uF 6.3V
O p t i o n b y U S B F / W U p g r a d e
USB_PORT1_5V
( 1 + 2 . 1 K / 1 . 6 5 K ) = 1 . 8 V
C4429 C4468
1uF 16V 10uF 6.3V
1 0 1 8 m o d i f i e d
C4397 C4411
10uF 10V
1uF 16V
DVDD3V3
R769
NC/4.7K1/16W
R771
BL_ON/POK
0R05 1/16W 100R
Q711
C796
NC/4.7K1/16W NC/10uF 6.3V
A d d / 2 0 1 6 0 9 1 3
AVDD105_STB
T Y P = 3 0 0 m A
R707
L710 2.2uH
R702 0R05
ZD705 C790 C799
R775 C794
NC/100OHM NC/22P 50V 10uF 6.3V
20K 1%
C793
NC/10NF 50V
R773
R704
24K 1%
2K 1%
V o u t = 0 . 6 x ( 1 + 2 0 0 0 0 / 2 6 0 0 0 ) = 1 . 0 6 V
17
A_DIM_ADJ
6
OPWRSB
4,18,22
OPWRSB_PWR
INV_EN 17
GND 4,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22
3 A / 6 0 V
D703
1 2
Main_12V
SX36
R190 R191 R192