LG LG-E960 - Page 123

4. TROUBLE SHOOTING
- 123 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Schematic of PM8921
C23050
2.2u
VREG_L29_1P8
0R23017
VREG_S3_1P05
1u
C23035
+1V0_SLIMPORT_IOVCC
C23052
4.7u
U11
V10
U4
R4
P4
T3
V2
T2
V3
U3
H5
J5
J4
R1
V5
P1
A4
A5
K4
B3
H4
E5
F1
L1
G4
M15
F5
L4
C1
M1
J1
M4
N1
H1
L5
G5
E4
D4
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_L14
VREG_L15
VREG_L16
VREG_L17
VREG_L18
VREG_L21
VREG_L22
VREG_L23
VREG_L24
VREG_L25
VREG_L26
VREG_L27
VREG_L28
VREG_L29
VREG_RF_CLK
VREG_XO
NCP_CTC1
NCP_CTC2
NCP_FB
VREG_NCP
VIN_LVS1_3_6
VOUT_LVS1
VOUT_LVS3
VSW_S8_1
VSW_S8_2
VREG_S8
VREG_LVS1_1P8
VDD_QFPROM_BLOW
VREG_S4_1P8
C23037
4.7u
1u
C23042
2.2u
C23045
C23038
4.7u
C23039
4.7u
C23040
4.7u
4.7u
C23041
C23043
1u
1u
C23044
C23046
1u
C23047
1u
1u
C23048
C23049
1u
1u
C23051
C23053
1u
C23055
1u
1u
C23057
C23054
2.2u
1u
C23058
C23059
1u
2.2u
C23060
C23061
2.2u
VREG_L1_1P05
VREG_L2_1P2
VREG_L3_3P075
VREG_L4_1P8
VREG_L5_2P95
VREG_L7_2P95
VREG_L8_3P0
VREG_L9_3P0
VREG_L10_2P9
VREG_L11_2P8
VREG_L12_1P2
VREG_L14_1P8
VREG_L16_3P0
VREG_L24_1P05
VREG_L25_1P225
VREG_L26_1P05
1u
C23034
C23036
1u
VREG_L17_2P8
C23056
4.7u
VREG_L6_3P0
VREG_L22_1P8
VREG_XO
VREG_L15_3P3
Rev.10 Headphone Mic Bias Test
APQ_QFUSE
WCN3660
eMMC VCC
MAIN LCD 3V_VCI/VCC
SENSOR_3V
MOTOR
2.8V CAM AVDD
1.2V CAM DVDD
HW_PMID
APQ VDD_PXO
APQ VDD_MIPI
APQ VDDA_USB_3P3
APQ VDDA_USB_1P8/WCN_XO
SD_VDD
APQ VDD_P2
MAIN CAM 2.8V_VCM
APQ VDD_PLL1/VDD_MEM
APQ VDD_P1/VDD_DDR_C2, WCD VDD_TXADC
APQ VDD_QDSP6_APP
3.3V TOUCH VDD
1.2A LDO
1.8V TOUCH IO
VREG_L14(50mA/1.7 to 1.9V)
VREG_L12(150mA/1.2V,1.1 to 1.45V)
VREG_L11(150mA/2.6 to 3.3V)
VREG_L10(600mA/2.6 to 3.3V)
VREG_L6(600mA/2.75 to 3V)
VREG_L7(150mA/2.75 to 3V)
VREG_L9(300mA/2.6 to 3V)
VREG_L8(300mA/2.6 to 3V)
VREG_L4(50mA/1.7 to 1.9V)
VREG_L5(300mA/2.75 to 3V)
VREG_L3(150mA/3 to 3.3V)
VREG_L2(150mA/1.2V,1.1 to 1.45V)
VREG_L1(150mA/1.050V,1.1 to 1.45V)
VREG_L15(150mA/2.75 to 3.3V)
VREG_L16(300mA/2.6 to 3V)
VREG_L17(150mA/3 to 3.6V)
VREG_L18(150mA/1.3V,1.0 to 1.5V)
VREG_L21(150mA/1.7 to 2.1V)
VREG_L22(150mA/1.7 to 2.85V)
VREG_L23(150mA/1.7 to 1.9V)
VREG_L29(150mA/1.7 to 2.2V)
VOUT_LVS1(300mA, 1P8)
VOUT_LVS3(100mA, 1P8)
WCN VDD_IO_1P8
TP3
TP2
U23001
PM8921
TP2
TP3