LG -E960 Service Manual page 123

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