LG -P768 Service Manual page 89

4.12.2 Sub 0.3M Camera troubleshooting
0.3M camera control signals are generated by OMAP4430(U501), and Power is supplied by LP8720(U1001)
revA(use DC/DC) -> revB
I2C3_SDA
I2C3_SCL
CAM_SUBPM_EN
R1002
100K
LGE Internal Use Only
SUB PMIC-CAM POWER
VBAT
revA -> revB 10K Added
C1001
R1001
10u
10K
E4
VINB
D2
FB
E3
SW
D4
GNDB
B3
IRQ_N
C4
SDA
C3
SCL
D3
DVS
E2
EN
B2
DEFSEL
C2
IDSEL
TP2:C1010
VT_1.8V_VDIG
C1002
C1003 C1004
2.2u
2.2u 2.2u
B4
LDO1
A3
LDO2
A1
LDO3
U1001
LP8720TLX
EUSY0227205
C1
LDO4
TP2:C1011
E1
LDO5 VT_2.8V_VANA
- 89 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
VT_1.8V_VDIG
VT_2.8V_VANA
2.8V_5M_VANA
1.8V_5M_VIO
C1010 C1011 C1012
1u 1u 1u
Only for training and service purposes
2.8V_5M_VCM
C1013 C1014
1u 1u