LG -E455 Service Manual page 202

MT6575
VMIC
EARMIC_BIAS
FM_AUOUT_L
FM_AUOUT_R
ROW0 ROW1
COL1 QUICK HOME
COL6 UP DOWN
Download Bootloader, META
UART1
Product Line test Point
UART2 User Define
UART3 for MT6620
Data log for Debugging
UART4
Boot-up selection/Setting
USB Download Image, Mass storage
MD 1/2 Data log for Modem Debugging
+3V3_USB_MTK
for Device only mode
X200 FC-135
2 1
X-TAL_OUT
32.768KHz
C256
18p
LGE Internal Use Only
+1V2_CORE_MTK
+1V2_VM12_INT_MTK
1.8V For LPDDR1
1.2V For LPDDR2
REVB
Close to 6577
AF21
UMTSRX_IN DL_I_N
AF20
UMTSRX_IP DL_I_P
AH21
UMTSRX_QN DL_Q_N
AG21
UMTSRX_QP DL_Q_P
AF23
GSM_UMTSTX_IN UL_I_N
AG23
GSM_UMTSTX_IP UL_I_P
AH24
GSM_UMTSTX_QN UL_Q_N
AG24
GSM_UMTSTX_QP UL_Q_P
AVDD25_VDAC
AC19
3G_VBIAS
AB16
AFC AFC
Y16
GSM_PA_RAMP APC AVDD28_DAC
AK13
PA_R0 VM0
AJ13 DVDD_BPI
PA_R1 VM1
AD11
TDD_AFC_SW
AF12
TDD_TIMINGSYNC
AK9
BPI_BUS0
ANT_SEL0
AJ9
ANT_SEL1 BPI_BUS1
AJ8
BPI_BUS2
ANT_SEL2
AF10
NFC_FET_0 BPI_BUS3
AG10
BPI_BUS4
AJ10
GSM_PA_EN BPI_BUS5
AH11
BPI_BUS6
AJ11
BPI_BUS7 DVDD_BPI
AF11
BPI_BUS8 DVDD_BPI
AK10
BPI_BUS9
AG11
PA_ON_W1900_2100 BPI_BUS10
AJ12
BPI_BUS11
AG12
PA_ON_W850_W900 BPI_BUS12
AK12
BPI_BUS13
AH12
BPI_BUS14 DVDD_BPI
AA13
BSI0_CLK
AB14
BSI0_CS0
AC14
BSI0_CS1
AF14
BSI0_DATA
AG15
BSI1_CLK BSI1_CLK
AH15
BSI1_CS0 BSI1_CS0
AG14
BSI1_CS1 BSI1_CS1
AJ14
BSI1_DATA BSI1_DATA DVDD_BSI
BSI1_CS0 -> EN AF18
VDAC_OUT
BSI1_CS1 -> DATA1
AH19
BSI1_DATA -> DATA0 AUX_XM
AG19
AUX_XP
AF17
AUX_YM
AG18
AUX_YP
AJ20
PCB_REVISION AUX_IN0
AJ17
AUX_IN1
AF16
USB_ID AUX_IN2
AJ18
AUX_IN3
RF_TEMP_ADC
AJ19
AUX_IN4
AJ22
REFN
C250 1u AJ23
REFP
AH27
VMIC
AJ25
MIC_N C260 1u AU_VIN0_N
AK25
C261 1u AU_VIN0_P
C251 MIC_P
AK27
1u EARMIC_N C252 1u AU_VIN1_N
AJ27
C253 1u AU_VIN1_P
EARMIC_P
AE25
MIC2_N C263 1u AU_VIN2_N
AF25
C264 1u AU_VIN2_P
MIC2_P
AF26
EARBIAS
AK28
ACCDET AVDD25_VDAC
HOOK_DETECT
AH29
RCV_SPK_N HSN
AH28
RCV_SPK_P HSP AVDD25_VBUF
AF27
FMINL
AF28
FMINR
AJ28
HPH_L
HPLP
AJ29
HPH_R HPRP
AH30
MAIN GND AUDREFN
C254 1u AG29
CF
AG30
CF_IN
AK29
COUT_AVSS12N AVDD18_AUD
C255 AJ30
2.2u AVSS12N_DAC
AF9
TP200 KP_COL0
AJ7
KCOL1 KP_COL1
AB11
TOUCH_ID KP_COL2
AF8
AUDIO_SEL KP_COL3
AH7
KP_COL4
AG7
KP_COL5
AG8
KCOL6 KP_COL6
AJ5
NFCCLK KP_COL7
AG6
KP_ROW0
KROW0
AC10
KROW1 KP_ROW1
AF6
KP_ROW2
FLASH_LTD
AF7
FLASH_EN KP_ROW3
AJ6
KP_ROW4
COMPASS_DRDY
AK6
LCD_BL_EN KP_ROW5
AH8
KP_ROW6
I2C_COMMON_SCL
AK7
I2C_COMMON_SDA KP_ROW7 DVDD_NML4
R30
JTAG_TRST_N JTRST_B
R29
JTAG_RTCK JRTCK
T30
JTAG_TCK JTCK
T29
JTAG_TDI
JTDI
U27
JTAG_TMS JTMS
U28
JTAG_TDO
JTDO
U26
SWCLKTCK
T26
SWDIOTMS
R26
URXD4 URXD4
P28
UTXD4 UTXD4
P26
URXD1_MD URXD1
R27
UTXD1_MD UTXD1
P27
URTS1
R25 DVDD_NML6
WIFI_INT_B UCTS1
AC5
URXD2
AE1
UTXD2
AF2
URTS2
AE3
UCTS2
AD5
UART1_URXD3 URXD3
AD1
UART1_UTXD3 UTXD3 DVDD_NML2
Y29
IDDIG
DVDD_NML5
AA29
USB_VBUS
AC26
USBH_DP USB_DP
AB26
USBH_DM USB_DM
AA30
R208 5.1K USB_VRT
AA27
CHD_DP CHD_DP
AA26
CHD_DM CHD_DM AVDD33_USB
AB29
USB11_DP
AC29
USB11_DM AVDD33_USB11
AD26
USIM1_CLK SCLK
AC27
USIM1_DATA SlO
AD27 AVDD30_VSIM
USIM1_RESET_N SRST
AD28
USIM2_CLK SCLK2
AD30
USIM2_DATA SIO2
AD29
SRST2 AVDD30_VSIM2
USIM2_RESET_N
SIM1 Support HSPA/WCDMA/GSM SIM AH1 DVDD_NML1 AVDD28_RTC DVDD_NML5
DVDD_NML3
SPI_CLK
SIM2 Support only GSM SIM AF4
SPI_CSN
AG3
SPI_MI
AG2
SPI_MO DVDD_NML2
X-TAL_IN
C257
18p
R216
REV.B 1
DNI
+2V5_AVDD1_MTK
R217
+1V35_PROC_MTK
C207 C209
VAPROC_FB
22u 22u
Close to 6577
Close to 6577
C234
22u
MT6329_VAPROC_FB
U200
DVDD_CAM DVDD_LCD
- 202 -
AF29
AVDD18_AUD +1V8_VIO_MTK
AK24 +1V8_VIO_MTK
AVDD18_MD
H3
AVDD18_MIPI +1V8_VIO_MTK
AK22
AVDD25_MD +2V5_AVDD1_MTK
K23
AVDD25_MEMPLL
AK21
AVDD25_PLL
AC22
AVDD25_VBUF +2V5_AVDD2_MTK
AK19
AVDD25_VDAC
AK18
AVDD28_DAC +2V8_VTCXO_MTK
AH16
AVDD28_RTC +2V8_VRTC_MTK
AB30 R219
AVDD30_VSIM +3V0_VSIM_MTK
AE30
AVDD30_VSIM2 1 +3V0_VSIM2_MTK
AB28
AVDD33_USB +3V3_USB_MTK
AA28
AVDD33_USB11
AG25 : star connect to cap gnd
AG25
AVSS18_AUD C241
AJ26 1st Priority Close to MT6575
AVSS18_MD
J5
AVSS18_MIPI 1u
AC20
AVSS25_MD
H20
AVSS25_MEMPLL
W16 Close to MT6575
AVSS25_PLL
W15
AVSS25_VDAC
AJ15
AVSS28_RTC
W17
AVSS30_VSIM
W18
AVSS33_USB
V18
AVSS33_USB11
A1
NC_1
A30
NC_2
AJ1
NC_3
AK1
NC_4
AK2
NC_5
AK30
NC_6
D17
nECS0_EA6 DDRAM_ADDRESS_[6]
A17
nECS1_EA4 DDRAM_ADDRESS_[4]
B18
EWR_EA5 DDRAM_ADDRESS_[5]
A16
ERAS_nECS0 DDRAM_CS_[0]_N
C15
ECAS_EA1 DDRAM_ADDRESS_[1]
C16
ECKE0_ECKE0 DDRAM_CLK_EN
B26
DQM0_DQM3 DDRAM_DQM_[3]
B23
DQM1_DQM1 DDRAM_DQM_[1]
A11
DQM2_DQM0 DDRAM_DQM_[0]
B7
DQM3_DQM2 DDRAM_DQM_[2]
E17 I2C Pull-Up
EDCLK DDRAM_CLK_P
E16
nEDCLK DDRAM_CLK_N
E24
EDQS0_EDQS3 DDRAM_DQS_[3]_P
E20
EDQS1_EDQS1 DDRAM_DQS_[1]_P
E12
EDQS2_EDQS0 DDRAM_DQS_[0]_P
E9
EDQS3_EDQS2 DDRAM_DQS_[2]_P
E23
nEDQS0_nEDQS3 DDRAM_DQS_[3]_N
E19
nEDQS1_nEDQS1 DDRAM_DQS_[1]_N
E13
nEDQS2_nEDQS0 DDRAM_DQS_[0]_N
E10
nEDQS3_nEDQS2 DDRAM_DQS_[2]_N
A20
EBA0_EBA0
B16
EBA1_EBA1
RVREF DDR3RSTB
D19
RVREF +0V6_VREF GND Open LPDDR1
D7
DDR3RSTB +1V8_VIO_MTK
1/2 VIO (TBD) LPDDR2
B21
EA0_EA8
DDRAM_ADDRESS_[8]
A19
EA1_EWR
B20
EA2_EA10
C19
EA3_EA7 DDRAM_ADDRESS_[7] +1V8_VIO_MTK
B13
EA4_EA12
B15
EA5_EA11
B14
EA6_ERAS
A14
EA7_EA2 DDRAM_ADDRESS_[2]
D15
EA8_ECAS +1V8_VIO_MTK
A13
EA9_EA0 DDRAM_ADDRESS_[0]
B19
EA10_EA9 DDRAM_ADDRESS_[9]
D16
EA11_nECS1 DDRAM_CS_[1]_N
B17
EA12_EA3 DDRAM_ADDRESS_[3]
C20
EA13_EA13
C23
ED0_ED25 DDRAM_DATA_[25]
D24
ED1_ED26 DDRAM_DATA_[26]
D23
ED2_ED24 DDRAM_DATA_[24]
D25
ED3_ED29 DDRAM_DATA_[29]
B25
ED4_ED30 DDRAM_DATA_[30]
B24
ED5_ED27 DDRAM_DATA_[27]
C27
ED6_ED31 DDRAM_DATA_[31]
A26
ED7_ED28 DDRAM_DATA_[28]
A22
ED8_ED8 DDRAM_DATA_[8]
A24
ED9_ED15 DDRAM_DATA_[15]
D21
ED10_ED9 DDRAM_DATA_[9]
D20
ED11_ED10 DDRAM_DATA_[10]
E21
ED12_ED12 DDRAM_DATA_[12]
C24
ED13_ED13 DDRAM_DATA_[13]
A23
ED14_ED14 DDRAM_DATA_[14]
B22
ED15_ED11 DDRAM_DATA_[11]
B12
ED16_ED5 DDRAM_DATA_[5]
B11
ED17_ED6
DDRAM_DATA_[6]
B10
ED18_ED3 DDRAM_DATA_[3]
A10
ED19_ED1
DDRAM_DATA_[1]
C12
ED20_ED4 DDRAM_DATA_[4]
D12
ED21_ED2
DDRAM_DATA_[2]
D11
ED22_ED7 DDRAM_DATA_[7]
C11
ED23_ED0
DDRAM_DATA_[0]
A9
ED24_ED22 DDRAM_DATA_[22]
D8
ED25_ED16
DDRAM_DATA_[16]
C8
ED26_ED23 DDRAM_DATA_[23]
B8
ED27_ED19
DDRAM_DATA_[19]
D9
ED28_ED21 DDRAM_DATA_[21]
A7
ED29_ED20 DDRAM_DATA_[20]
C7
ED30_ED17 DDRAM_DATA_[17]
B9
DVDD_EMI
ED31_ED18 DDRAM_DATA_[18]
B28
NLD0
E26
NLD1
D28
NLD2
F29
NLD3
D29
NLD4
G29
NLD5
G27
NLD6
C28
NLD7
A28
NLD8
D30
NLD9
C30
NLD10
E29 R218
NLD11 RTCCLK_GPS
URXD4
G30 100
NLD12
E27
NLD13
C265
B29 1M
NLD14
B30
NLD15 RTCCLK_D
UTXD1_MD
A29
NRNB
URXD1_MD
B27
NCLE
C29
NALE
E28
NWEB
F30
NREB
F27
NCEB0
F28
DVDD_NFI NCEB1
K21 SC1 SC3 SC4
MEMPLL_TXN
MEMPLL(DRAM Test Pin) : Normal Open
AVDD25_MEMPLL K22
MEMPLL_TXP 1 1 1
E3
DVDD18_MIPIRX RDN0 CAM_DATA0_N
F3
RDP0
CAM_DATA0_P
C2 SC5 SC6 SC7 SC8
RDN1 CAM_DATA1_N
D2
RDP1
CAM_DATA1_P 1 1 1 1
D1
RCN CAM_CLK_N
E2
RCP
CAM_CLK_P
F2
DVDD18_MIPITX TDN0 LCD_MIPI_DATA0_N
DVDD_MC0 DVDD_MC1 DVDD_MC2 F1
TDP0 LCD_MIPI_DATA0_P
G1
DVDD_MC3 TDN1 LCD_MIPI_DATA1_N
G2 SC9 SC10 SC11 SC12
TDP1 LCD_MIPI_DATA1_P
H4
TCN LCD_MIPI_CLK_N 1 1 1 1
G5
TCP LCD_MIPI_CLK_P
SC13 SC14 SC15 SC16
1 1 1 1
SC17 SC18
1 1
SC19
1
For MT6620 PMU
Copyright © 2013 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
R200
I2C_SENSOR_SCL
I2C0
2.2K
R201
I2C_SENSOR_SDA
2.2K
R202
I2C_COMMON_SCL
I2C1
2.2K
R203
I2C_COMMON_SDA
2.2K
R204 4.7K SCL_2
I2C1
R205 4.7K SDA_2
JTAG
+1V8_VIO_MTK
CN200
1 14
RESET_IN
2 13
JTAG_TDI
3 12
UTXD4 JTAG_TRST_N
4 11
JTAG_TCK
5 10
JTAG_RTCK
6 9
JTAG_TMS
7 8
JTAG_TDO
OJ201 OJ202
SC20
1
SC21
1
Only for training and service purposes