LG -E405 Service Manual page 121

VREG_MSMA1_2.6V
C2004
2.2n
AA35
SDRAM_DATA[0] EBI1_DQ_0
W35
EBI1_DQ_1
SDRAM_DATA[1]
Y32
SDRAM_DATA[2] EBI1_DQ_2
Y34
SDRAM_DATA[3] EBI1_DQ_3
AA33
EBI1_DQ_4
SDRAM_DATA[4]
U29
SDRAM_DATA[5] EBI1_DQ_5
V34
EBI1_DQ_6
SDRAM_DATA[6]
V30
SDRAM_DATA[7] EBI1_DQ_7
T32
SDRAM_DATA[8] EBI1_DQ_8
V32
EBI1_DQ_9
SDRAM_DATA[9]
R33
SDRAM_DATA[10] EBI1_DQ_10
T34
EBI1_DQ_11
SDRAM_DATA[11]
P30
SDRAM_DATA[12] EBI1_DQ_12
T30
SDRAM_DATA[13] EBI1_DQ_13
R35
EBI1_DQ_14
SDRAM_DATA[14]
R29
SDRAM_DATA[15] EBI1_DQ_15
N35
SDRAM_DATA[16] EBI1_DQ_16
N29
EBI1_DQ_17
SDRAM_DATA[17]
N33
SDRAM_DATA[18] EBI1_DQ_18
M34
EBI1_DQ_19
SDRAM_DATA[19]
M30
SDRAM_DATA[20] EBI1_DQ_20
M32
SDRAM_DATA[21] EBI1_DQ_21
K34
EBI1_DQ_22
SDRAM_DATA[22]
L29
SDRAM_DATA[23] EBI1_DQ_23
H34
EBI1_DQ_24
SDRAM_DATA[24]
J35
SDRAM_DATA[25] EBI1_DQ_25
J33
SDRAM_DATA[26] EBI1_DQ_26
H32
EBI1_DQ_27
SDRAM_DATA[27]
G35
SDRAM_DATA[28] EBI1_DQ_28
K32
SDRAM_DATA[29] EBI1_DQ_29
K30
EBI1_DQ_30
SDRAM_DATA[30]
J29
SDRAM_DATA[31] EBI1_DQ_31
AF32
SDRAM_ADDR[0] EBI_ADR0
AJ33
SDRAM_ADDR[1] EBI_ADR1
AH32
EBI_ADR2
SDRAM_ADDR[2]
AD30
SDRAM_ADDR[3] EBI_ADR3
AE33
EBI_ADR4
SDRAM_ADDR[4]
AG35
SDRAM_ADDR[5] EBI_ADR5
AF34
SDRAM_ADDR[6] EBI_ADR6
AC29
EBI_ADR7
SDRAM_ADDR[7]
AH34
SDRAM_ADDR[8] EBI_ADR8
AH36
SDRAM_ADDR[9] EBI_ADR9
AF30
EBI_ADR10
SDRAM_ADDR[10]
Y30
SDRAM_ADDR[11] EBI_ADR11
AE29
EBI_ADR12
SDRAM_ADDR[12]
AD34
SDRAM_ADDR[13] EBI_ADR13
AG33
EBI_ADR14
AB34
SDRAM_CKE0 EBI1_CKE0
W29
EBI1_CKE1
SDRAM_CKE1
AE35
SDRAM_DCLK0 EBI1_DCLK
AF36
SDRAM_DCLK1 EBI1_DCLKB
AG29
EBI1_WE_N
nSDRAM_WE
AA29
nSDRAM_CS0 EBI1_CS0_N
AB30
nSDRAM_CS1 EBI1_CS1_N
AH30
EBI1_BA_0
SDRAM_BA0
AJ35
SDRAM_BA1 EBI1_BA_1
Y36
EBI1_DQS0
SDRAM_DQS0
T36
SDRAM_DQS1 EBI1_DQS1
K36
SDRAM_DQS2 EBI1_DQS2
H36
EBI1_DQS3
SDRAM_DQS3
AB32
SDRAM_DQM0 EBI1_DM0
P34
EBI1_DM1
SDRAM_DQM1
P32
SDRAM_DQM2 EBI1_DM2
H30
SDRAM_DQM3 EBI1_DM3
AD32
EBI1_RAS_N
nSDRAM_RAS
P36
nSDRAM_CAS EBI1_CAS_N
R2008 AB36
EBI1_CAL
49.9
C31
EBI2_DATA[0] EBI2_A_D_0
H26
EBI2_A_D_1
EBI2_DATA[1]
A31
EBI2_DATA[2] EBI2_A_D_2
D32
EBI2_DATA[3] EBI2_A_D_3
C29
EBI2_A_D_4
EBI2_DATA[4]
D26
EBI2_DATA[5] EBI2_A_D_5
G27
EBI2_A_D_6
EBI2_DATA[6]
B28
EBI2_DATA[7] EBI2_A_D_7
B32
EBI2_DATA[8] EBI2_A_D_8
E31
EBI2_A_D_9
EBI2_DATA[9]
C33
EBI2_DATA[10] EBI2_A_D_10
B34
EBI2_DATA[11] EBI2_A_D_11
A33
EBI2_A_D_12
EBI2_DATA[12]
D36
EBI2_DATA[13] EBI2_A_D_13
G33
EBI2_A_D_14
EBI2_DATA[14]
E33
EBI2_DATA[15] EBI2_A_D_15
LGE Internal Use Only
ARM9&ARM11 JTAG
MODE[3:0]
0000 : Native, ARM9 on PJTAG, ARM11 on AJTAG
0001 : Native, ARM9 + ARM11 on PJTAG
MIC_BIAS
VREG_MSME_1.8V
0
MIC_1N
R2015
C2001 C2002 C2003
1u
47p 0.1u
C2016
0.1u
U2000
MSM7225A-1-AA
VREG_MSME_1.8V
10K R2013
AG1
MPM_GPIO_0
AG3
MPM_GPIO_1 TCXO_EN
AB4
MPM_GPIO_2
PMIC_SSBI
H22
GPIO_4
C19
GPIO_5
WLAN_RST_N
H18
GPIO_6 BT_RST_N
E19
GPIO_7
G19
GPIO_8 LCD_RS
E23
GPIO_9 TOUCH_I2C_SCL
C25
GPIO_10
TOUCH_I2C_SDA
D24
GPIO_11
G25
GPIO_12
E25
GPIO_13
G23
GPIO_14
AT32 R2004
GPIO_15
CAM_MCLK
AM16
10
GPIO_16 PROX_I2C_SCL
AN17
GPIO_17 PROX_OUT
C2018 C2019
AR15
GPIO_18
MOTION_INT2
AR33
7.5p DNI
GPIO_19 eMMC_DATA[7]
AN35
GPIO_20
eMMC_DATA[6]
AP36
GPIO_21 eMMC_DATA[5]
AJ15
GPIO_22 PA_ON1
AN25
GPIO_23
AM24
GPIO_24 PM_INT_N
AR25
GPIO_25 PS_HOLD
AJ25
GPIO_26
AT26
GPIO_27
AM26
GPIO_28
3.5PI_KEY_POLE_DET
AK26
GPIO_29 MINIABB_INT
AN27
GPIO_30 PROX_I2C_SDA
AK24
GPIO_31
AM28
GPIO_32
AP26
GPIO_33
KEY_COL[0]
AR27
GPIO_34 CAM_RESET_N
AT28
GPIO_35 COMPASS_INT
AK28
GPIO_36
KEY_ROW[0]
AN29
GPIO_37 KEY_ROW[1]
AJ27
GPIO_38
AR31
GPIO_39
TOUCH_INT
AP30
GPIO_40 nMICROSD_DET
AJ29
GPIO_41
EAR_SENSE
AM30
GPIO_42 CAM_PWDN
AM2
GPIO_43 BT_UART_RTS
AL3
GPIO_44
BT_UART_CTS
AL5
GPIO_45 BT_UART_RX
AK8
GPIO_46
BT_UART_TX
R1
GPIO_47 MSM_USIM1_CLK
N3
GPIO_48 MOTION_I2C_SDA
N5
GPIO_49
MOTION_I2C_SCL
N7
GPIO_50 MSM_USIM1_DATA
AN3
GPIO_51 MMC_DATA[3]
AP2
GPIO_52
MMC_DATA[2]
AR3
GPIO_53 MMC_DATA[1]
AN5
GPIO_54
MMC_DATA[0]
AT4
GPIO_55 MMC_CMD
AP4
GPIO_56 MMC_CLK
U3
GPIO_57
Y2
GPIO_58
AC3
GPIO_59
RTR6285_SSBI
AA5
GPIO_60 CAM_I2C_SCL
AB2
GPIO_61 CAM_I2C_SDA
AR5
GPIO_62
WLAN_CLK
AP6
GPIO_63 WLAN_CMD
AT6
GPIO_64 WLAN_SDIO[3]
AN7
GPIO_65
WLAN_SDIO[2]
AR7
GPIO_66 WLAN_SDIO[1]
AP8
GPIO_67
WLAN_SDIO[0]
AA1
GPIO_68 BT_PCM_OUT
Y4
GPIO_69 BT_PCM_IN
U1
GPIO_70
BT_PCM_SYNC
W3
GPIO_71 BT_PCM_CLK
AP12
GPIO_72
ANT_SEL3
AJ13
GPIO_73 ANT_SEL2
AR11
GPIO_74 ANT_SEL1
AK14
GPIO_75
ANT_SEL0
AN13
GPIO_76
AR13
GPIO_77
AP14
GPIO_78
AM12
GPIO_79
AT12
GPIO_80
AM14
GPIO_81 GPS_MODE
AN15
GPIO_82
AT14
GPIO_83
FM_RDS_INT
T2
GPIO_84 MSM_USIM2_CLK
K8
GPIO_85
- 121 -
7. CIRCUIT DIAGRAM
TCXO Circuit
VREG_TCXO_2.85V
C2005 C2006
0.1u
1n
Clesed to TCXO
X2000 X1G003581002700
1 4
R2003 100
TRK_LO_ADJ VC VCC
5 6
TP1 TP2
2 3
C2009 GND OUT TCXO_PM_19.2MHZ
10n 19.2MHZ
C2017 1n
TCXO_RTR_19.2MHZ
ARM9 & Cortex A-5 JTAG
VREG_MSME_1.8V
CN2000
1 14
UART_RX
2 13
MSM_TCK
3 12
MSM_TDI MSM_TMS
4 11
JTAG_PS_HOLD MSM_TRSTN
5 10
nJTAG_RESOUT MSM_TDO
6 9
MSM_RTCK
7 8
UART_TX
C2020
0.1u
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Only for training and service purposes