4. TROUBLE SHOOTING
- 15 -
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C446
4.7u
C447
4.7u
C448
4.7u
C449
4.7u
C450
4.7u
C451
4.7u
VREG_TOUCH_1.8V
C468
4.7u
22u
C438
C452
4.7u
C469
1u
C453
4.7u
C454
4.7u
C455
4.7u
C456
4.7u
C457
4.7u
L400
2.2u
T1
R11
R9
T9
T11
R1
D13
B10
B9
T8
R6
T5
T7
R16
N16
T16
A9
A12
M15
L15
A4
A6
A16
K1
H1
C16
G1
D1
T2
N1
L1
P2
R3
B1
C2
C1
E1
A11
A10
D15
E16
G15
H16
B13
A14
R13
T14
L16
0
1
G
6
T
P
C
N
_
D
N
G
D
N
G
_
F
E
R
VSW_S0
VREG_S0
N15
VSW_S1
VREG_S1
VSW_S2
VREG_S2
VSW_S3
VREG_S3
VSW_S4
VREG_S4
VREG_L0
VREG_L1
VREG_L2
VREG_L3
VREG_L4
VREG_L5
VREG_L6
VREG_L7
VREG_L8
VREG_L9
VREG_L10
VREG_L11
VREG_L12
VREG_L13
VREG_L14
VREG_L15
VREG_L16
VREG_L17
VREG_L18
VREG_L19
VREG_L20
VREG_L21
VREG_L22
VREG_L23
VREG_L24
VREG_L25
NCP_CTC1
NCP_CTC2
NCP_FB
VREG_NCP
VOUT_LVS0
VOUT_LVS1
REF_BYP
KYPD_DRV_N
LED_DRV0_N
LED_DRV1_N
LED_DRV2_N
LED_ATC
VIB_DRV_N
C470
1u
2.2u
L402
C458
4.7u
C459
4.7u
C460
4.7u
C461
4.7u
C462
4.7u
C463
4.7u
C464
4.7u
C465
4.7u
C466
4.7u
C473
0.1u
VREG_CAM_DVDD_1.8V
C467
4.7u
VREG_QFUSE_1.8V
VREG_RF_1.3V
2.2u
L401
VREG_MSMC1_1.1V
VREG_MSMC2_1.1V
VREG_MSMA1_1.3V
VREG_MSME_1.8V
VREG_MICRO_SD_2.85V
C478
22u
22u
C441
VREG_EMMC_2.85V
VREG_USB_1.8V
VREG_USB_3.3V
VREG_MSMA2_2.05V
VREG_TOUCH_2.7V
VREG_RF_SW_2.7V
VREG_LCD_1.8V
VREG_XOADC_REF_2.2V
VREG_MPLL_1.1V
QTR_WCA_DIG_1.2V
22u
C439C440
10u
DNI
C443
C437
22u
VREG_RUIM_2.85V
VREG_LCD_3.0V
2.2u
L404
L403
2.2u
22u
C435C436
22u
VREG_SENSOR_2.6V
VREG_CAM_AVDD_2.8V
VREG_CAM_AF_2.8V
VREG_CAM_IOVDD_1.8V
C442
DNI
VREG_RF_2.2V
VREG_KEY_TOUCH_1.8V
VREG_SENSOR_IO_1.8V
R424
0
KEY_TOUCH_LED_N
VIB_N
Because of height
GND for REF
Place this point near QTR IC
Place this point near QTR IC
Place this point near MSM
Place this point near MSM
Add and check
change net_name
add key touch 1.8V
To be obsolete
Changed at REVC
TP2
TP3
TP4
TP5
TP8
TP7
TP9
TP6