LG KU250 Service Manual - Page 103
Camera Ldo
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4. TROUBLE SHOOTING C447 C350 C347 U501 U303 +VPWR CAM_LDO_EN C348 C349 C347 1u 9 PGND CAMERA LDO U303 1 2 VIN 3 EN1 EN2 4 NC1 RT9011-MGPQW 8 VOUT1 7 VOUT2 NC2 6 GND 5 C348 C349 1u 1u VREG_CAM_AVDD_2.8V VREG_CAM_DVDD_1.8V +VPWR CAM_LDO_EN C447 1u 3 VIN GND VOUT BGND 4 2 STBY NC 6 1 5 U501 BH15LB1WHFV REV_D C350 1u VREG_CAM_DVDD_1.5V - 104 -
4. TROUBLE SHOOTING
- 104 -
C349
U303
U501
C348
C347
C350
C447
CAMERA LDO
REV_D
6
BGND
2
GND
NC
5
STBY
1
3
VIN
VOUT
4
BH15LB1WHFV
U501
1u
C348
1u
C447
C349
1u
1u
C350
NC2
6
9
PGND
VIN
1
8
VOUT1
VOUT2
7
RT9011-MGPQW
U303
2
EN1
3
EN2
5
GND
NC1
4
1u
C347
VREG_CAM_DVDD_1.5V
CAM_LDO_EN
+VPWR
VREG_CAM_DVDD_1.8V
VREG_CAM_AVDD_2.8V
+VPWR
CAM_LDO_EN