LG F3000 - Key Backlight; White;Flash Led Ldo

3. TECHNICAL BRIEF
- 49 -
3.15 KEY BACKLIGHT
3.16 WHITE/FLASH LED LDO (U405)
(GPIO_22)
KEY-PAD BACK-LIGHT
C729
C741
1u
27p
2 56
31 4
IMX9T110
Q701
91
R726
VBAT
SP710
C737
1u
SP705
330
R724
SP704
SP701 SP702
LD707
AOT-0603P-B01A-VC
C734
1u
AOT-0603P-B01A-VC
LD704
R725
330
SP711 SP714SP708SP706 SP707SP703
AOT-0603P-B01A-VC
LD702
R723
150
C728
1u
330
R727
C739
1u
R728
330
91
R718
91
R720
LD714
AOT-0603P-B01A-VC
VBAT
10R738
LD712 LD711
AOT-0603P-B01A-VC
C727
AOT-0603P-B01A-VC
LD709
1u
AOT-0603P-B01A-VC
C738
1u
R717
150
C740
27p
1u
C730
AOT-0603P-B01A-VC
LD706
12K
R732
R719
91
1u
C733
LD701
AOT-0603P-B01A-VC
C731
1u
10R736
1u
C726
LD705
AOT-0603P-B01A-VC
150
R722 R721
150
1u
C732
R730
330 330
R729
C735
SP712
1u
SP709
AOT-0603P-B01A-VC
LD708 LD703
AOT-0603P-B01A-VC
C736
1u
12K
R737
AOT-0603P-B01A-VC
LD713
AOT-0603P-B01A-VC
LD710
SP713
KEY_BACKLIGHT
WHITE/FLASH LED LDO
(GPIO_24)
(GPIO_23)
1uC416
C422
1u
100KR406
C419
1u
C3+
2 1
C3-
EN_FLSH
16
10
EN_SET
GND
9
5
ISINK1
6
ISINK2
ISINK3
7
NC
817
PGND
VIN
4
13
VOUT_BL
3
VOUT_FL
U405
AAT2807AIXN-4.5
11
C1+
C1-
12
C2+
14 15
C2-
1uC417
R755 330
R403 15K
C420
VBAT
27p
1u
C421
FB403
C418 1u
100K
R407
10
R419
C423
27p
FLASH_LED
MLED
C_FLASH
LCD_DIM_CTL
MLED1
MLED2
MLED3
Figure 3-28. MAIN KEY BACKLIGHT
Figure 3-29. WHITE/FLASH LED LDO