LG MT310 User Manual
LG-MT310
2-1. MAIN PCB CIRCUIT DIAGRAM
2-1. MAIN PCB CIRCUIT DIAGRAM
R1000R115
TX_OUT_AWS_B
BT_MSM_DP_RXD
BT_MSM_DP_RFR/
BT_MSM_DP_CTS/
BT_MSM_DP_TXD
AUX_PCM_SYNC
AUX_PCM_DIN
AUX_PCM_CLK
AUX_PCM_DOUT
C199
100p
DNI
L121
3.9n
C193
4
2
OUT
G1
3
G2
AWS Tx RF SAW
F102
5
G3
IN
SAFEA1G73AA0F00
1
PA_ON1
+2.6V_MSMP
PCS_Mode/
R114
100k
C192
100p
1
3
2
PA_RANGE
A
S
VCC
B1
GND
B0
6
5
4
R116
100k
10n
1n
C189
330p
C188
U113
4
TER
3
COU
49.9
R107
+/-1%
C191
10n
C190
1
2
4
VEN
VBATT
RF_IN3VMODE
9
U130
AWT6309R
G_DUMMY
VCC
GND1
GND2
RF_OUT
5
6
7
8
1608
4.7u
C187
15p
C180
15n
L142
1.8n
C179
L141
1.5p
LDC151G8620Q-359
1
OUT
2
IN
R108
VCTCXO(19.2 MHz)
ON OFF
OFF ON
0 1
1 0
V1 V2 FC-RF1 FC-RF2
[Rx PART]
1
7G48
3
9
TX
G6
RX
G5
DP102
ACMD-7609
G1
G3
ANT
G2
2
4
5
6
2
4
1
+2.8V_TCXO
3
+2.6V_MSMP
PCS_RX
PCS_TX
CELL_RX
CELL_TX
DNI
100p
C172
100p
C155
DP100
ACFM-7107
ANT6G_SLUG
5
C170
3.3n
L124
0.5p
10p
C194
TCXO
100n
C152
L145
2.2u
1n
C140
3
U106
ERF3003E
OUT
4
2
VCC
GND
VC
1
10n
47p
C134
C133
100
R110
33n
0.1u
C130
C129
2k
51
R109
TRK_LO_ADJ
+2.8V_TCXO
<BLUETOOTH Module>
PCS_Mode/
AWS_Mode/
RX_IN_C_HB
100p
C171
4
5
6
IN
VCONT2
VCONT1
U114
UPG2214TK
OUT12GND3OUT2
1
33p
C173
1p
L137
3.3n
L133
DNI
C174
5p
4
2
3
C117
GND2
GND3
GND1
ANT104
FEED
ODGPPTR3015
1
RX_IN_C_LB
100p
C184
100p
C101
33p
20p
C125
C163
DNI
DNI
L112
L107
3p
15n
L130
L131
2.2p
3.3n
C111
C112
F106
B9416
34
L106
L111
100n
DNI
A
C
1
100p
C169
2
U115
KMS-518
0
R105
C151
HB-1M1005-601JT
R112
R113
R101
+2.6V_BT
3
GND2
ANT102
ACS2450FBAKF7
1
RX_IN_GPS
+2.1V_RFRX2
100p
C121
C119
0.1u
12
R104
3.9n
L129
10p
C106
L108
6.8n
4
5
VDD
FIL_OUT
1
RF_IN
S_D
GND
2
3
10
R103
L102
6.8n
C103
6.8p
DNI
C102
100p
C162
GPS_MODE
DNI
C161
1
2
G1
OUT
3
G2
5
G3
IN
4
BT_RESET/
2.2u
C154
D4
B4
H5
TM2H6TM1J6TM0
TST1
RST_N
VDDRF
B2
VDDIFP
J1
DNI
1005
VDDLO
G1
VDDTF
B1
VDDPLL
G2
VDDXO
0
H4
VDDIF
A1
VDDVCO
H1
VREG2_VBAT
A2
VREG1
A3
VREG_CTL
B3
VDDR3V
A4
VDDO_USB
G8
VDDO2
J9
VDDO1
H9
VDDC2
B7
VDDC1
A7
RESC1RFIOPE1RFIOND1RFTUNEJ2VCTRIFP
2.2u
C150
100n
C149
0
0
R102
+2.6V_MSMP
2
GND1
FEED
DNI
L126
Place close to QSC
DNI
L136
U101
ALM-2412
GPS LNA + FILTER
XTALPJ4XTALN
J3
J5
10p
C145
2
OUT
G2
3
G1
F101
1
IN
4
LFB212G45SG8A166
1.2p
C139
15p
C131
DNI
C118
PCS_Mode/
MIX_INP_C_HB
C182
5
6
IN
VCONT1
U116
UPG2214TK
OUT1
GND3OUT2
1
2
33p
C177
1.8n
L139
3
OUT1
2
G1
F103
C176
SAFEB2G14FB0F00
L132
+2.1V_RFRX1
TP110
TP108
TP109
TP104
TP107
TP103
TP106
TP105
F8
D9
E8
D8
C8
C9
B9
J8
PCM_CLK_SCK
PCM_IN_SPDIF_IF_ SD_IN
LPOIN
A5
100p
C144
BT_LPO
AWS_Mode/
100p
4
VCONT2
L138
DNI
OUT2
G2
IN
1
6.8p
C175
2.2n
HUSB_DNJ7HUSB_DP
UART_RXDB8UART_TXD
PCM_SYNC_TX_PU_TDD
UART_CTS_N
PCM_OUT_SPDIF_OUT_SD_ OUT
U108
BCM2046B1
GPIO7_TX_PU_TDDN_TX_P U_TDD_USB
SCL_TX_PU_TDD_NA8SDA_TX_PU_TDD
H7
H8
A9
12p
C141
4
1
100p
C164
U117
UPG2214TK
33p
C178
C113
1.8n
L116
L140
4
5
F100
SAFEB1G96FL0F00
1p
1
U107
UPG2214TK
6
1n
L103
33p
C104
VSS15
UART_RTS_N
XTAL_PD_GPIO5_TX_PU_T DD_TX_PU_
PA_CTL_GPIO6_TX_PU_TD D_TX_PU_T
G9
X101
PCS_Mode/
6
VCONT1
OUT12GND3OUT2
1
33p
1.8n
3
L115
2
GND
OUT1
VCONT1
C181
AWS_Mode/
LNA_OUT_C_HB
H3
VSS14
H2
VSS13
F6
VSS12
F5
VSS11
F4
VSS10
F2
VSS9
F1
VSS8
E6
VSS7
E5
VSS6
E4
VSS5
E2
VSS4
D6
VSS3
D5
VSS2
D2
VSS1
C2
BT_PRIORITY_STATUS_GP IO3
RF_ACTIVE_GPIO4
HOST_WAKE_USB_DE TACH_GPIO_1
TX_CONFX_WLAN_AC TIVITY_GPIO2
BT_WAKE_GPIO_0
F9
A6
B5
B6
E9
1608
470p
C148
+/-5%
+/-1%
150k
R111
TP102
TP101
BT_WAKE
HOST_WAKE
TSX-3225_26MHZ
3
2
C135
12p
MIX_INM_C_LB
MIX_INM_C_HB
AWS_Mode/
100p
C198
100p
C183
4
5
IN
VCONT2
33p
C114
L135
DNI
1.8n
L117
OUT4OUT
G2
5
G1
2
IN
1
12p
C109
C122
2.7n
8p
3
OUT2
VCONT25IN
4
8p
100p
C196
100p
C197
PCS_Mode/
MIX_INP_C_LB
4.7n
4.7n
L114
L113
0.5p
C123
82p
82p
C115
C116
3
4
OUT
OUT
G3
5
G1
2
F104
IN
1
SAFEB881MFM0F00
C110
100p
0.5p
C108
18n
L105
1k
R106
+/-1%
39n
L104
39p
C105
+2.1V_RFRX1
LNA_OUT_C_LB
TX_OUT_LB_B
TX_OUT_HB_B
3.9n
C147
- DCN Freq
TX : 824 ~ 849 MHz
RX : 869 ~ 894 MHz - PCS Freq
TX : 1850 ~ 1910 MHz
RX : 1930 ~ 1990 MHz
- AWS Freq
TX : 1710 ~ 1755 MHz
RX : 2110 ~ 2155 MHz
- GPS Freq : 1575.42 MHz
- Bluetooth: 2400 ~ 2485 MHz
1
IN1
F105
SAWEP836MFH2F00
OUT1
DCN/PCS Tx RF SAW
9
300
18
R126
R127
300
R125
C143
DNI
L109
C142
3.3n
PA_RANGE
PA_ON0
68p
C132
[Tx PART]
1n
C128
C127
4.7u
1608
+VPWR
1
ANT101
L120
5.6n
1
ANT100
1
ANT103
DNI
C107
4
1
2
5
6
7
NC
VMODE3VBATT
VEN_PCS
VEN_CELL
RFIN_PCS
RFIN_CELL
U105
AWT6321R
1608
4.7n
L122
1p
C100
L118
G_SLUG
RFOUT_PCS8GND29GND310VCCA11VCC12RFOUT_CELL13GND4
14
12p
C124
1p
C159
5.6n
L123
C120
C157
2.2p
R123
IN
COU
3
2
OUT
TER
4
1
U103
34
12n
L119
A
C
1
2
100p
1.5n
C166
U100
KMS-518
100p
C146
DNI
DNI
L128
L127
2.2n
100p
C168
C167
4
2
IN2
GND1
3
GND2
5
GND3
7
GND4
8
GND5
10
GND6
OUT2
6
DNI
L110
1n
U109
FSA4157L6X
100k
R117
10n
C138
100p
C137
10n
C136
15
12p
C126
PWR_DET_IN
200p
100
LDC15874M19Q-360
0.5p
C165
1.2n
L134
82
R124
DNI
C160
82
R122
U104
DNI
1005
LDC151G8620Q-359
R118
1
4
TER
OUT
2
3
COU
IN
5p
C158
L125
4.7n
20p
C195
C186
4p
8
1
10n
L101
2
3
C156
100p
L100
100p
C185
4p
7
GND1
VDD
PORT3
6
GND3
PORT1
5
GND2
CTL
9
SLUG_GND
PORT2
4
U102
XM0830SM-BL0912
PCS_Mode/
LG Electronics Inc.
-93/130-
LG-MT310
AC23
DNC_9
AC1
2
DNC_8
L10
DNC_7
L8
DNC_6
K8
DNC_5
F17
DNC_4
F16
DNC_3
E18
DNC_2
E17
DNC_1
E16
LCD_RS/
T1
U2
MLCD_CS/
P6
WE2/
V2
EBI2_UB_N
W3
OE2/
Y3
Y1
EBI2_LB_N
R3
EBI2_CS1_N
U1
AB3
EBI2_BSY_N
AC4
LCD_DATA[15]
R5
LCD_DATA[14]
W2
LCD_DATA[13]
V1
LCD_DATA[12]
R6
LCD_DATA[11]
W1
LCD_DATA[10]
T5
LCD_DATA[9]
Y2
LCD_DATA[8]
U3
LCD_DATA[7]
AA2
LCD_DATA[6]
AA1
LCD_DATA[5]
T6
LCD_DATA[4]
AC2
LCD_DATA[3]
AB1
LCD_DATA[2]
U5
LCD_DATA[1]
AC3
LCD_DATA[0]
U6
EBI1_WE/
G3
EBI1_OE/
R1
EBI1_M_CLK_N
K5
EBI1_M_CLK
J5
EBI1_DQS[1]
E2
EBI1_DQS[0]
K2
L5
EBI1_DQM[2]
A2
EBI1_DQM[1]
E1
EBI1_DQM[0]
TP203
K1
B3
EBI1_CS0_N
A3
EBI1_ADV/
B1
BA[1]
R2
BA[0]
N5
P1
EBI1_A[12]
P2
EBI1_A[11]
N2
EBI1_A[10]
M5
EBI1_A[9]
N1
EBI1_A[8]
M6
EBI1_A[7]
F5
EBI1_A[6]
E5
EBI1_A[5]
C5
EBI1_A[4]
C4
EBI1_A[3]
G6
EBI1_A[2]
D3
EBI1_A[1]
E3
EBI1_A[0]
G5
EBI1_D[15]
C2
EBI1_D[14]
C1
EBI1_D[13]
D2
EBI1_D[12]
D1
EBI1_D[11]
F2
EBI1_D[10]
F1
EBI1_D[9]
G2
EBI1_D[8]
G1
EBI1_D[7]
H2
EBI1_D[6]
H1
EBI1_D[5]
J2
EBI1_D[4]
J1
EBI1_D[3]
M1
EBI1_D[2]
L1
EBI1_D[1]
M2
EBI1_D[0]
L2
CAM_I2C_SDA
CAM_I2C_SCL
+1.8V_CAM_IO
PCS_Mode/
LCD_IO_LDO_EN
TP205
BT_MSM_DP_RFR/
KYPD[19]
BT_MSM_DP_TXD
PA_ON1
BT_MSM_DP_RXD
A10
B10
A4
F7
E8
UART1_RX_D
UART1_TX_D
PA_ON1/GPIO_1
SDCC_CMD/GPIO_2
DNC_10
GP_PDM_0/ETM_MODE_INT/GPIO_0
LCD_RS
LCD_EN
LCD_CS_N
EBI2_WE_N
EBI2_UB_N
VDD_P5
EBI2_OE_N
EBI2_M_CLK
EBI2_LB_N
EBI2_CS1_N
EBI2_CS0_N
EBI2_BSY_N
EBI2_A_D_15
EBI2_A_D_14
EBI2_A_D_13
EBI2_A_D_12
EBI2_A_D_11
EBI2_A_D_10
EBI2_A_D_9
EBI2_A_D_8
EBI2_A_D_7
EBI2_A_D_6
EBI2_A_D_5
EBI2_A_D_4
EBI2_A_D_3
EBI2_A_D_2
EBI2_A_D_1
EBI2_A_D_0
EBI1_WE_N
EBI1_OE_N
EBI1_M_CLK_N
EBI1_M_CLK
EBI1_DQS_1
EBI1_DQS_0
EBI1_DQM_3
EBI1_DQM_2
EBI1_DQM_1
EBI1_DQM_0
EBI1_CS1_N
EBI1_CS0_N
EBI1_ADV_N
EBI1_A_D_31
EBI1_A_D_30
EBI1_A_D_29
EBI1_A_D_28
EBI1_A_D_27
EBI1_A_D_26
EBI1_A_D_25
EBI1_A_D_24
EBI1_A_D_23
EBI1_A_D_22
EBI1_A_D_21
EBI1_A_D_20
EBI1_A_D_19
EBI1_A_D_18
EBI1_A_D_17
EBI1_A_D_16
EBI1_A_D_15
EBI1_A_D_14
EBI1_A_D_13
EBI1_A_D_12
EBI1_A_D_11
EBI1_A_D_10
EBI1_A_D_9
EBI1_A_D_8
EBI1_A_D_7
EBI1_A_D_6
EBI1_A_D_5
EBI1_A_D_4
EBI1_A_D_3
EBI1_A_D_2
EBI1_A_D_1
EBI1_A_D_0
LNA_OUT_C_HB
LNA_OUT_C_LB
MIX_INP_C_LB
MIX_INM_C_LB
MIX_INP_C_HB
A22
A21
B23
C23
D23
LNA_OUT_C_LB
LNA_OUT_C_HB
MIX_INP_C_LB
MIX_INM_C_LB
MSM_DP_RXD
KYPD[9]
KYPD[11]
NAND_WP/
BT_MSM_DP_CTS/
HOST_WAKE
BT_WAKE
B8
B9
SDCC_DATA0/GPIO_3
MIX_INM_C_HB
E23
H23
MIX_INM_C_HB
MIX_INP_C_HB
SLCD_CS/
CAM_LDO_EN
BT_RESET/
E6
A11
AA14
AB4
AA4
P5
T2
AC11
AB12
SDCC_CLK/GPIO_7
SDCC_DATA1/GPIO_4B7SDCC_DATA2/GPIO_5C7SDCC_DATA3/GPIO_6
UART1_CTS_N/GPIO_8E9UART1_RFR_N/GPIO_9
EBI2_CS3_N/GPIO_12
MDP_VSYNC_PRI/GPIO_13
KYPD_11/ETM_TPKT_A_2/GPIO_15
KYPD_9/ETM_PSTAT_A_0/GPIO_16
UART2_RX_D/UIM_PWR_DIS/GPIO_10
EBI2_CS2_N/ETM_MODE_CS_N/WLAN_PWR_EN/GPIO_11
MDP_VSYNC_SEC/ETM_KSENSE_INT/BT_WAKEUP/GPIO_14
VDD_P7
VDD_P5
RX_IN_GPS
TX_OUT_HB_A
TX_OUT_HB_B
TX_OUT_LB_A
TX_OUT_LB_B
VCO_TUN_CRX
VCO_TUN_GRX
RBIAS_RX
RBIAS_TX
RX_IN_C_HB
PWR_DET_IN
A20
J16
A19
A18
RX_IN_C_HB
5.1k
12k
+/-1%
R210
R209
PWR_DET_IN
Place close to QSC
VCO_TUN_TX
RX_IN_C_LB
A15
M23
N23
L23
C13
J19
K23
D21
C271
RX_IN_GPS
RX_IN_C_LB
TX_OUT_LB_B
TX_OUT_HB_B
TX_OUT_AWS_B
C224
220p
5.1k
R204
+/-1%
3.3n
C213
C207
4.7n
510
R202
+/-1%
Place close to QSC
68n
C203
82n
C201
560
+/-1%
R200
C200
4.7n
AWS_Mode/
KYPD[4]
KYPD[17]
KYPD[13]
KYPD[15]
AA12
AA11
KYPD_15/ETM_TPKT_A_0/GPIO_17
PA_RANGE
KYPD[2]
KYPD[1]
KYPD[0]
KYPD[3]
AB10
AB11
W10
E10
AC10
A9
E7
KYPD_17/ETM_TPKT_A_1/GPIO_18
KYPD_MEMO/ETM_PSTAT_A_1/GPIO_19
KEYSENSE_4N/ETM_TPKT_A_3/GPIO_20V9KEYSENSE_3N/ETM_TPKT_A_4/GPIO_21W9KEYSENSE_2N/ETM_TPKT_A_5/GPIO_22
KEYSENSE_1N/ETM_TPKT_A_6/GPIO_23
KEYSENSE_0N/ETM_TPKT_A_7/GPIO_24
PA_R0/GP_PDM_1/FAILED_BOOT/GPIO_26
GP_PDM_2/ETM_PSTAT_A_2/WLAN_MUX_EN/GPIO_25
VDD_P7
CAM_STNBY/
CAM_HSYNC
CAM_PCLK
CAM_VSYNC
AUX_PCM_SYNC
AUX_PCM_SYNC/SDAC_L_R/BT_PCM_SYNC/GPIO_27
LCD_ID_CHK
AUX_PCM_DOUT
AUX_PCM_CLK
AUX_PCM_DIN
LCD_RESET/
F9
B11
C10
W6
AC7
AB5
AB7
AA6
AC6
CAM_DIS/GPIO_35
CAM_PCLK/GPIO_32
CAM_VSYNC/ETM_TSYNC_B/GPIO_34
CAM_HSYNC/ETM_PSTAT_B_2/GPIO_33
CAM_DATA_0/ETM_PSTAT_B_1/GPIO_36W7CAM_DATA_1/ETM_PSTAT_B_0/GPIO_37
RINGER/CAM_FLASH/ETM_TCLK/GPIO_31
AUX_PCM_CLK/SDAC_CLK/BT_PCM_CLK/GPIO_30
AUX_PCM_DIN/SDAC_MCLK/BT_PCM_DIN/GPIO_28
AUX_PCM_DOUT/SDAC_DOUT/BT_PCM_DOUT/GPIO_29
VDD_P5
U200
NCP_CTC1
NCP_CTC2
NCP_FB
VDD_A_1
P16
R18
N18
G19
2.2u
Place close to QSC
-1.8V_NCP
+2.1V_MSMA
VDD_CORE_5
VDD_A_2
VDD_A_3
VDD_A_4
VDD_A_5A1VDD_CORE_1B2VDD_CORE_2C3VDD_CORE_3
VDD_CORE_4
VDD_CORE_6N8VDD_CORE_7N9VDD_CORE_8
VDD_CORE_9
VDD_CORE_12
VDD_CORE_10
VDD_CORE_11
M8
M16
M9
M18
N21
N22
C12
AA3
AC1
W11
AB2
AA13
C265
1u
C260
1u
C254
0.1u
C251
0.1u
0.1u
C248
C244
0.1u
0.1u
1u
C240
1u
C234
33p
C227
C241
0.1u
C235
+1.3V_MSMC
2.2k
2.2k
R232
R233
CAM_MCLK
CAM_DATA[1]
CAM_DATA[7]
CAM_DATA[0]
CAM_DATA[2]
CAM_DATA[6]
CAM_DATA[4]
CAM_DATA[5]
CAM_DATA[3]
FOLDER_CLOSE/
AC9
AB6
AA7
CAM_DATA_2/ETM_TPKT_B_0/GPIO_38V6CAM_DATA_3/ETM_TPKT_B_1/GPIO_39
QSC6055-CD
VDD_IN1_1
VDD_IN1_2
VDD_EFUSE
U18
V19
C205
+VPWR
+2.8V_LCD
AA9
AC8
AB8
AB9
CAM_CLK/GPIO_46V8I2C_SDA/GPIO_47
I2C_SCL/GPIO_48
CAM_DATA_4/ETM_TPKT_B_2/GPIO_40
CAM_DATA_5/ETM_TPKT_B_3/GPIO_41V7CAM_DATA_6/ETM_TPKT_B_4/GPIO_42
CAM_DATA_7/ETM_TPKT_B_5/GPIO_43W8CAM_DATA_8/ETM_TPKT_B_6/GPIO_44
CAM_DATA_9/ETM_TPKT_B_7/GPIO_45
T18
U21
AC17
GND_NCP
GND_SPKR
GND_TCXO
GND_DIG_1
GND_DIG_2H9GND_DIG_3
E12
F12
VDD_IN1_3
VDD_IN1_4
VDD_IN1_5
VDD_IN1_6
VDD_IN2_1
VDD_IN2_2
VDD_IN2_3
VDD_IN2_4
VDD_MPLL_1
P19
W15
R13
U19
W14
W19
AB20
AB22
AC14
0.1u
+1.3V_MPLL
+2.1V_SMPS_RF
EAR_SENSE/
V5
HEADSET_DET_N/ETM_TSYNC_A/GPIO_49
AB15
GND_MSMC
GND_DIG_4
H10
VDD_MPLL_2F3VDD_P1_1H3VDD_P1_2J3VDD_P1_3
T13
1608
1608
+1.8V_MSME1
TDI
TMS
+2.6V_MSMP
RESIN/
TCK
TDO
TRST_N
RTCK
PS_HOLD
DNI
R235
MIC1+
TRK_LO_ADJ
TDI
TRST_N
TCK
TDO
RTCK
TMS
TP202
BT_LPO
GPS_MODE
CAM_RESET/
EARPHONE_KEY
LCD_BACK_CAMLDO_EN
MSM_DP_TXD
4.7k
R223
5
F10
A8
A7
A5
B
A12
H6
AC5
H5
GP_CLK/GPIO_50
EBI1_CS3_N/GPIO_52
EBI1_CS2_N/BT_PWR_EN/GPIO_51
B4
AC13
AB13
W12
F8
W5
F11
B12
TCKB6TDIF6TDOA6TMS
RTCK
MODE_0
MODE_1
TRK_LO_ADJ/GPIO_56
TRUSTED_BOOT/GPIO_57
UIM_CLK/UART2_RFR_N/GPIO_54
UIM_DATA/UART2_TX_D/GPIO_55
UIM_RESET/UART2_CTS_N/GPIO_53
TRST_N
MODE_2
WDOG_EN
RESOUT_18V_NC9RESOUT_26V_N
-1.8V_NCP
MSM_RCV_OUT-
MSM_RCV_OUT+
HPH_OUT_R
HPH_OUT_L
BAT_ADC
PA_ON0
TEMP_ADC
Place close to QSC
C297 0.1u
L19
L18
P21
P22
M21
L16
F23
M19
R19
CCOMP
EAR1ON
EAR1OP
HKAIN0
HKAIN1
PA_ON0
HPH_VNEG
HPH_OUT_L_P
HPH_OUT_R_N
VDD_P3
P11
P15
R10
R11
R14
R16
T10
T14
T11
T15
P12
R12
T16
AC16
T12
GND_DIG_42T8GND_DIG_43T9GND_DIG_44
GND_DIG_45
GND_DIG_46
GND_DIG_47
GND_MPLL_3
GND_DIG_48
GND_DIG_49
GND_DIG_50
GND_MPLL_1
GND_MPLL_2
GND_DIG_12K6GND_DIG_13
GND_DIG_5
GND_DIG_6
GND_DIG_8J9GND_DIG_9
GND_DIG_10
GND_DIG_11
GND_DIG_14
GND_DIG_15
GND_DIG_7
J8
J6
H12
H11
0.1u
0.1u
0.1u
0.1u
4.7u
1n
1n
0.1u
2.2u
GND_DIG_16
K9
J11
J10
J12
K10
K11
VDD_P1_4
VDD_P1_5M3VDD_P1_6N3VDD_P1_7P3VDD_P2_1
VDD_P2_2V3VDD_P2_3
VDD_P4_1
VDD_P4_2
K3
L3
T3
E11
V10
C274 0.1u
C273 0.1u
C266
C263
C259
C255
0.1u
0.1u
0.1u
0.1u
C236
0.1u
C232
C229 4.7u
C226
C222 0.1u
0.1u
C217
1u
C215 0.1u
C211
P13
P14
R15
GND_DIG_41
GND_DIG_40
GND_DIG_17L6GND_DIG_18L9GND_DIG_19
K12
VDD_P5_1
VDD_P6_1
C11
AA5
C249
C245
C242
C239
C233
C228 0.1u
C223
C216
C212 1u
P9
P10
GND_DIG_30
GND_DIG_31
GND_DIG_32
GND_DIG_33
GND_DIG_39
GND_DIG_34
GND_DIG_35R8GND_DIG_36R9GND_DIG_37
GND_DIG_38
GND_DIG_20
L11
L12
VDD_P6_2
VDD_P6_3
AA8
AA10
GND_DIG_29
GND_DIG_21
GND_DIG_23
GND_DIG_24N6GND_DIG_25
GND_DIG_26
GND_DIG_27
GND_DIG_28
GND_DIG_22
P8
N11
M10
M12
N10
N12
M11
VDD_P7_1
VDD_P7_2
VDD_RFRX1_2
VDD_RFRX1_3
VDD_RFRX1_4
VDD_RFRX1_5
VDD_RFRX1_6
VDD_RFRX1_7
VDD_RFRX1_8
VDD_RFRX2_1
VDD_RFRX2_2
VDD_RFRX1_1
6
C8
C
B21
C18
C20
2.2
R213
C208
0.1u
C206
0.1u
0.1u
C202
VDD_RFRX2_3
C21
E21
C22
F13
F21
C14
C15
A13
B13
C270
1u
C268
1u
1u
C261
C256
1u
C252
1u
EAR_MIC
MIC_BIAS
0.1u
0.1u
C221
C225
CON201
<J-TAG>
0.1u
0.1u
C296
C220
M22
G23
G22
H21
G21
G18
F18
L21
MIC1P
MIC2P
MIC1N
MIC2N
HSET_BIAS
LINE_IN_R_N
LINE_IN_L_P
LINE_OUT_L_P
LINE_OUT_R_N
VDD_RFRX2_4
VDD_RFRX2_5
VDD_RFRX2_6
VDD_RFRX2_7
VDD_RFRX2_8
VDD_RFRX2_9
VDD_RFTX_1
VDD_RFTX_2
VDD_RFTX_3
VDD_RFTX_4
VDD_RFTX_5
VDD_RFTX_6
H22
J21
J23
C16
C17
K16
E13
F14
H16
E15
H18
1u
C262
1u
C250
1u
C243
10
R206
1u
C237
4.7
R207
1u
C218
GND_BUCKRF
AB21
GND_A_RF_45
N19
GND_A_RF_44
N16
GND_A_RF_43
N15
GND_A_RF_42
N14
GND_A_RF_41
N13
GND_A_RF_40
M15
GND_A_RF_39
M14
GND_A_RF_38
M13
GND_A_RF_37
L22
GND_A_RF_36
L15
GND_A_RF_35
L14
GND_A_RF_34
L13
GND_A_RF_33
K19
GND_A_RF_32
K15
GND_A_RF_31
K14
GND_A_RF_30
K13
GND_A_RF_29
J22
GND_A_RF_28
J18
GND_A_RF_27
J15
GND_A_RF_26
J14
GND_A_RF_25
J13
GND_A_RF_24
H19
GND_A_RF_23
H15
GND_A_RF_22
H14
GND_A_RF_21
MKPD_LED_EN/
BATT_THM_ADC
ACC_ADC
H13
GND_A_RF_20
F22
GND_A_RF_19
F19
GND_A_RF_18
F15
GND_A_RF_17
E22
GND_A_RF_16
E19
GND_A_RF_15
E14
GND_A_RF_14
D22
GND_A_RF_13
C19
GND_A_RF_12
B22
GND_A_RF_11
B20
GND_A_RF_10
B19
GND_A_RF_9
B18
GND_A_RF_8
B17
GND_A_RF_7
B16
GND_A_RF_6
B15
GND_A_RF_5
B14
GND_A_RF_4
A23
GND_A_RF_3
A17
GND_A_RF_2
A16
GND_A_RF_1
A14
GND_5V
AC19
MPP4
AA21
MPP3
AC20
MPP2
V18
MPP1
V17
VCOIN
AB19
VCHG
AA22
VBAT
W22
USB_VBUS
AB16
ISNS_P
AB23
ISNS_M
AA23
CHG_CNT_N
W21
BAT_FET_N_BAT_
Y22
VIB_DRV_N
V14
USB_ID
AA17
USB_DP
AA15
USB_DM
AA16
SPKR_OUT_P
1608
AA18
SPKR_OUT_M
1608
AA19
PS_HOLD
V12
PON_RESET_N
V13
KPD_PWR_N
W16
CBL_PWR_N
V15
XTAL_32K_OUT
Y23
XTAL_32K_IN
W23
XTAL_19M_OUT
U23
TCXO
XTAL_19M__IN
T23
XO_TH_GND
R23
XO_ADC_REF
P23
XO_ADC_IN
R22
TCXO_OUT
2
V11
VSW_RF
AC22
VSW_MSMC
2
AC15
VSW_5V
AC18
VREG_XO
T21
VREG_USB
W18
VREG_TCXO
V21
VREG_RUIM
AA20
VREG_RFTX
T19
VREG_RFRX2
T22
VREG_RF
AC21
VREG_NCP
P18
VREG_MSMP
W17
VREG_MSME1
AB14
VREG_MSMA
V16
VREG_MPLL
W13
VREG_MMC
Y21
VREG_5V
AB18
REF_ISET
V22
REF_GND
V23
+/-1%
REF_BYP
U22
VDD_RFTX_7
VDD_RFTX_8
VDD_RFTX_9
VDD_SPKR
K18
K21
K22
AB17
121k
VREG_RFRX1
0.1u
C275
R220
R21
R205 0
R208 0
1u
C258
1u
C246
1u
C238
1u
C230
1608
C209
4.7u
+2.8V_LCD
+2.8V_TCXO
2.2u
C204
0
R203
10
10k
R236
R228
6
7
8
9
1
TCK
JTAG_STD_2COLUMN_10P
10
2
3
TDO4TDI5TMS
GND
VCC
RTCK
TRST
RESIN
PS_HOLD
PCB_REV
C295
DNI
V_CHAR
VBAT
USB_POWER
ISNS_P
ISNS_M
CHG_CNT_N
BAT_FET/
USB_D+
USB_D-
L204
220
L203 220
4
U201
27p
2
C294
1
27p
MIP2520D4R7M
C293
1
L202
MIP2520D4R7M
1
L201
1u
C289
C288
1u
C287
1u
2.2u
C286
C284
2.2u
1608
1608
4.7u
R214 0
R215 0
R211 0
R212 0
-1.8V_NCP
+2.1V_RFTX
+2.6V_MSMP
+2.1V_RFRX2
R201 0
VIB_EN/
MSM_SPK_OUT+
MSM_SPK_OUT-
PS_HOLD
RESIN/
PWR_ON_SW/
+1.3V_MSMC
C290
4.7u
1608
MC-146_7PF_20PPM
C283 2.2u
2.2u
C282
C281
1608
C280
10u
1608
C279 4.7u
C278 2.2u
C277
2.2u
R216 0
R217 0
+2.6V_BT
+1.3V_MPLL
+2.1V_MSMA
+1.8V_MSME1
10u
C247
1608
+2.1V_SMPS_RF
+VPWR
+2.6V_MSMP
+1.8V_MSME1
+2.1V_RFRX1
+2.1V_RFRX2
+2.1V_RFTX
+2.1V_RFRX1
LG Electronics Inc.
-94/130-
LG-MT310
+VPWR
LED_VOUT
+2.8V_CAM_AVDD
+1.5V_CAM_CORE
+1.8V_CAM_IO
2.2u
1608
C316
1608
2.2u
1u
1
C2-
2
PGND
3
NC1
4
BL1
5
BL2
AGND
BL37BL4
6
8
C322
C3191uC318
16
17
C2+18C1+19VIN20C1-
U302
GREF
9
1u
C314
15
VOUT
LDO1
1u
14
LDO2
C313
13
BYP
12
SC624ULTRT
NC3
11
SWIF
22n
C317
G_SLUG
NC2
10
21
100k
R329
1u
C303
2
1
GND
5
VOUT
U306
G_SLUG
VDD
RP103K181D-TR-F
3CE4
1u
C302
100k
R308
+VPWR
MLED1
MLED3
MLED2
MLED4
CAM_LDO_EN
<+1.8V_LCD_IO_LDO>
<LCD B/L AND CAM LDO>
FOLDER_CLOSE/
C312
100p
2
OUT
GND
U301
EM-0781-T5
3
1
NC
VCC
C309
0.1u
<Folder SW>
LCD_BACK_CAMLDO_EN
TEMP_ADC
33n
C311
2
1
R317
1608
NCP18WD683E03RB
R314
150k
+/-1%
51k
R312
+/-1%
+2.8V_TCXO
<TEMP CHECK>
+1.8V_LCD_IO
+VPWR
1u
C315
1
2
GND
5
VOUT
U307
G_SLUG
VDD
RP103K181D-TR-F
3CE4
1u
C305
100p
C304
<VIBRATOR>
VIB_EN/
1005
DNI
10n
C306
C307
33p
C321
+VPWR
LCD_IO_LDO_EN
BAT_ADC
33n
C310
180k
R316
R311
200k
+/-1%
+VPWR
<Battery Level>
PCB_REV
33n
C308
75k
R304
100k
R303
B 100K 12K 0.30V
D 100K 27K 0.60V
C 100K 19.1K 0.44V
1.3 100K 180K 1.80V
1.1 100K 100K 1.40V
1.4 100K 240K 1.98V
1.0 100K 75K 1.25V
PCB REVISON ADC
+2.8V_TCXO
<PCB VERSION>
1.2 100K 130K 1.58V
E 100K 36K 0.74V
Revison R303 R304 ADC_Volt
+1.8V_MSME1
EBI1_D[4]
EBI1_D[5]
EBI1_D[6]
EBI1_D[7]
EBI1_D[8]
EBI1_D[9]
EBI1_D[10]
EBI1_D[11]
EBI1_D[12]
EBI1_D[13]
EBI1_D[14]
EBI1_D[15]
N3
M3
K3
L4
DQ9J4DQ8F4DQ7E3DQ6E4DQ5D3DQ4D4DQ3C3DQ2
DQ15M4DQ14
DQ12L3DQ11K4DQ10
DQ13
U305
K5E1H12ACB-A075
3
A10H9A11G7A12D7BA0
A8H8A9
A4L9A5K9A6J9A7
A
D9
H7
M9
C7A0C8A1C9A2B8
<1G NAND 512M DDR>
EBI1_A[3]
EBI1_A[4]
EBI1_A[0]
EBI1_A[1]
EBI1_A[2]
EBI1_A[5]
EBI1_A[6]
EBI1_A[7]
EBI1_A[8]
EBI1_A[9]
EBI1_A[10]
EBI1_A[11]
TP302
LG Electronics Inc.
EBI1_D[2]
EBI1_D[3]
EBI1_D[0]
EBI1_D[1]
LCD_DATA[14]
LCD_DATA[11]
LCD_DATA[10]
LCD_DATA[13]
LCD_DATA[15]
LCD_DATA[9]
LCD_DATA[12]
M8
M7
M6
K6
M5
C4
DQ1B3DQ0
IO9K5IO8
IO11
IO15K8IO14
IO13K7IO12
IO10
LDMH3UDMC5CLED5ALEC6CE
WEnE5REE6R_B
BA1
G3
F5WPE7
D6
D8
WE2/
BA[0]
EBI1_A[12]
OE2/
BA[1]
EBI2_UB_N
EBI2_LB_N
EBI2_CS1_N
EBI1_DQM[1]
EBI1_DQM[0]
R301 10k
EBI2_BSY_N
+1.8V_MSME1
LCD_DATA[6]
LCD_DATA[5]
LCD_DATA[7]
LCD_DATA[4]
LCD_DATA[8]
L8
IO7J8IO6L7IO5J7IO4L6IO3J6IO2L5IO1J5IO0
RAS
WED
CS
CAS
F7
F8
E9
EBI1_WE/
EBI1_OE/
NAND_WP/
EBI1_ADV/
EBI1_CS0_N
LCD_DATA[0]
LCD_DATA[3]
LCD_DATA[1]
LCD_DATA[2]
E8
P10
N10
B10
A10
DNU9
DNU8P9DNU7A9DNU6P2DNU5A2DNU4P1DNU3N1DNU2
DNU11
DNU10
VSS1N5VSS2N8VSS3
CK
CKEH4CK
G8
EBI1_DQM[2]
VSS4G2VSS5N4VSS6F9VSS7
LDQSJ3UDQS
G4
F3
EBI1_M_CLK
EBI1_DQS[0]
EBI1_DQS[1]
EBI1_M_CLK_N
VSSQ1J2VSSQ2L2VSSQ3
B5
C2
E2
DNI
C301
DNI
C326
DNI
C324
B1
DNU1N9NC11B9NC10
VCC1N7VCC2N6VCCQH2VDD1M2VDD2B4VDD3G9VDD4D2VDDQ1
B6
+1.8V_MSME1
H5
B7
H6
B2
NC9
NC4G5NC3
NC8
NC7G6NC6F6NC5
NC1N2NC2
VDDQ2K2VDDQ3
F2
1n
C325
10n
C323
0.1u
C300
+1.8V_MSME1
+1.8V_MSME1
<KEYPAD BACKLIGHT>
LED301
SWAF07
+
2
1
LED300
SWAF07
+
2
1
MKPD_LED_EN/
51
R306
51
R305
R307
EVLC5S02100
+VPWR
-95/130-
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