Circuit Diagram - LG -V909DW Service Manual

7. CIRCUIT DIAGRAM

T20_IO Signals
VDD_1V8
BOOT_SELECT_0
BOOT_SELECT_1
BOOT_SELECT_2
BOOT_SELECT_3
RAM_CODE_0
RAM_CODE_1
RAM_CODE_2
RAM_CODE_3
GMI_ADV_N
GMI_CLK
IFX_RESET_1V8_N
IFX_PWRON_1V8
AP_ONKEY
IFX_RESET_FLAG_N
ARRAY TPs
V_BAT
V_AC
UART100
2.5G 3G
1
GND GND
2
UART2_RX_T20 RX RX
3
UART2_TX_T20 TX TX
4
NC1 VCHAR
5
ON_SW ON_SW
ONKEY_N
6
VBAT VBAT
7
NC2 PWR
8
NC3 URXD
9
NC4 UTXD
10
DSR
11
BAT_THM
RTS
12
CTS
Tr for USB1_ID
USB1_ID
D
G
USB1_ID_INT
Q100
S
JTAG CONNECTOR
VDD_1V8
C103
CN100
0.1u G1 G2
1 10 TP135
SYS_RESET_N_T20
2 9
JTAG_TDO_T20
JTAG_TDI_T20
3 8
JTAG_TMS_T20 UART2_RX_T20_3V3
4 7
JTAG_TCK_T20 UART2_TX_T20_3V3
5 6
JTAG_RTCK_T20
G3 G4
LGE Internal Use Only
Force Recovery
VDD_1V8
C100
0.1u
U100
1 5
KEY_VOLUME_P A VCC
2
KEY_VOLUME_M B
3 4
GND Y GMI_OE_N
P4
UART1_IPC_TXD ULPI_DATA0
P6
UART1_IPC_RXD ULPI_DATA1
N4
ULPI_DATA2
UART1_IPC_CTS_N
L3
ULPI_DATA3
UART1_IPC_RTS_N
L4
IPC_SRDY ULPI_DATA4
L6
GPIO_RESERVED_1 ULPI_DATA5
P5
VDD_1V8 GPIO_RESERVED_2 ULPI_DATA6
N6
ULPI_DATA7
IPC_MRDY
M2
SPI1_IPC_MOSI ULPI_CLK
M3
SPI1_IPC_MISO ULPI_DIR
M1
SPI1_IPC_SCK ULPI_NXT
P3
ULPI_STP
GPIO_RESERVED_3
J3
VDD_1V8 R171 0
BT_EN_1 DAP3_FS
L2
USB_HOST_EN DAP3_DIN
L1
AVDD1_3V0_EN DAP3_DOUT
M4
DAP3_SCLK
TOUCH_IO_EN
M6
SDIO1_CLK
WLAN_CLK
J5
WLAN_CMD SDIO1_CMD
K6
WLAN_SDIO[0] SDIO1_DAT0
K4
WLAN_SDIO[1] SDIO1_DAT1
M5
SDIO1_DAT2
WLAN_SDIO[2]
L5
WLAN_SDIO[3] SDIO1_DAT3
P2
GPIO_PV0
J7
GPIO_PV1
U6
GPIO_PV2
J6
GPIO_PV3
AD17
USB1_VBUS USB1_VBUS
AC14
USB1_DN
USB_T20_DN
AD14
USB1_DP
USB_T20_DP
AE14
USB1_ID USB1_ID
AH14
USB3_VBUS
AH15
USB3_T20_DN USB3_DN
AG15
USB3_DP
USB3_T20_DP
AF15
USB3_ID
AC16
USB_REXT
R144 1K
AC15
HSIC_DATA
AD15
HSIC_STROBE
AE15
HSIC_REXT
AG14
IC_DP
AF14
IC_DN
AE13
IC_REXT
AB17
VDAC_R
AB18
VDAC_G
AE19
VDAC_B
AE18
VDAC_RSET
AC17
VDAC_VREF
H7
UART2_TX_T20
UART2_TXD
F4
UART2_RX_T20 UART2_RXD
G6
ECHO_CAN_BP_N
UART2_RTS_N
F5
ECHO_CAN_PWDN_N UART2_CTS_N
F3
UART3_TXD
BT_UART_TXD
F2
BT_UART_RXD UART3_RXD
F1
BT_UART_RTS_N UART3_RTS_N
VDD_1V8
E4
BT_UART_CTS_N UART3_CTS_N
J1
GPIO_PU0
MUIC_INT_N
G4
UART_SW GPIO_PU1
E1
R172 0
WLAN_EN_1 GPIO_PU2
R173 DNI
F6
VDD_3V3_ALWAYS_EN_1 GPIO_PU3
E5
ECHO_CAN_RST_N GPIO_PU4
H4
AC_DET GPIO_PU5
J2
CRADLE_DET_1V8 GPIO_PU6
H5
GEN1_I2C_SDA GEN1_I2C_SDA
H6
GEN1_I2C_SCL
GEN1_I2C_SCL
H3
DAP4_FS
BT_PCM_SYNC
C101 12p H1
BT_PCM_DIN DAP4_DIN
J4
BT_PCM_DOUT DAP4_DOUT
H2
BT_PCM_CLK DAP4_SCLK
X100
12MHz
E3
XTAL_IN V_LDO4_1V8
C102 12p E2
XTAL_OUT
R27
DAP1_FS
DAP1_FS
R26
DAP1_DIN_2 DAP1_DIN
R28
DAP1_DOUT_2 DAP1_DOUT
P25
DAP1_SCLK DAP1_SCLK
R161 100 P27
DAP_MCLK1
AUDIO_MCLK1
N23
SPDIF_OUT
SPK_CHANGE
R25
TP125
SPDIF_IN
R24
R162 100
AUDIO_MCLK2 DAP_MCLK2
R22
DAP2_FS
DAP2_FS
R23
DAP2_SCLK
DAP2_SCLK
T25
DAP2_DIN DAP2_DIN
T23
DAP2_DOUT DAP2_DOUT
SPI2_IPC_MOSI N25
SPI2_MOSI
M25
SPI2_IPC_MISO SPI2_MISO
P24
SPI2_IPC_SCK
SPI2_SCK
P23
SPI2_IPC_CS
SPI2_CS0_N
M26
BT_WAKEUP SPI1_MOSI
M28
SPI1_SCK
SUB_DET_N
M27
SPI1_CS0_N
HS_MIC_BIAS_EN
P26
VDD_5V0_EN SPI1_MISO
P22
AUDIO_INT_N SPI2_CS1_N
P28
SPI2_CS2_N
EAR_SENSE
V_LDO4_1V8
V_LDO4_1V8
R100 DNI
R101 2.2K
R103 100K
R104 2.2K
R106 100K
R107 100K
VDD_1V8 VDD_1V8
U101
VDD_1V2
- 151 -
7. CIRCUIT DIAGRAM
VDD_1V8
R102 2.2K
R105 2.2K
AD24
LCD_PWR0 LVDS_PWRDN_N
U24
LCD_PWR1
V_LDO0_3V3
AA24
LCD_PWR2
W25
LCD_SDIN
AA25
LCD_SDOUT
V24
LCD_CS0_N
AD23
LCD_DC0
TOUCH_ID
AB21
LCD_SCK
AC25
LCD_CS1_N TOUCH_INT_N
AC24
LCD_DC1
AE24
LCD_WR_N
TOUCH_RESET_N
Y24
LCD_M1 LCD_PWM
U23
LCD_DE LCD_DATA_EN
V28
LCD_PCLK RGB_DOTCLK
AD27
LCD_HSYNC
RGB_HSYNC
AD26
LCD_VSYNC
RGB_VSYNC
AA26
LCD_D0 LCD_BLUE2
AC26
LCD_D1 LCD_BLUE3
AC27
LCD_D2 LCD_BLUE4
AC28
LCD_D3
LCD_BLUE5
AD25
LCD_D4 LCD_BLUE6
AD28
LCD_D5 LCD_BLUE7
Y26
LCD_D6 LCD_GREEN2
Y27
LCD_D7
LCD_GREEN3
Y28
LCD_D8 LCD_GREEN4
Y25
LCD_D9 LCD_GREEN5
AA28
LCD_D10 LCD_GREEN6
AA27
LCD_D11
LCD_GREEN7
U25
LCD_D12
LCD_RED2
U28
LCD_D13 LCD_RED3
U27
LCD_D14 LCD_RED4
U26
LCD_D15 LCD_RED5 VDD_5V0_HDMI
V27
LCD_D16
LCD_RED6
V26
LCD_D17 LCD_RED7
AB25
LCD_D18 LCD_BLUE0
AA23
LCD_D19 LCD_BLUE1
AB23
LCD_D20
LCD_GREEN0
AA22
LCD_D21 LCD_GREEN1
V25
LCD_D22 LCD_RED0
AC22
LCD_D23 LCD_RED1
V23
HDMI_INT_N
HDMI_INT
W23
DDC_SCL
DDC_SCL
Y23
DDC_SDA DDC_SDA
Y22
CRT_HSYNC
AC23
CRT_VSYNC
AF18 R147 1K
HDMI_RSET
AE17
HDMI_TXD0P HDMI_TXD0P
AE16
HDMI_TXD0N HDMI_TXD0N
AD18
HDMI_TXD1P
HDMI_TXD1P
AC18
HDMI_TXD1N HDMI_TXD1N
AG18 VDD_1V2
HDMI_TXD2P HDMI_TXD2P
AH18
HDMI_TXD2N HDMI_TXD2N
AG17
HDMI_TXCP
HDMI_TXCP
AF17
HDMI_TXCN
HDMI_TXCN
AH20 R149 49.9
DSI_CSI_RDN
AF21
DSI_CSI_RUP
AG26
CSI_CLKAP
5M_MIPI_CLK_P
AH26
CSI_CLKAN 5M_MIPI_CLK_N
AC20
CSI_CLKBP 5M_MIPIB_CLK_P
AB20
CSI_CLKBN 5M_MIPIB_CLK_N
AE20
CSI_D1AP
5M_MIPI_DATA0_P
AD20
CSI_D1AN 5M_MIPI_DATA0_N
AG23
CSI_D2AP 5M_MIPI_DATA1_P
AH23
CSI_D2AN 5M_MIPI_DATA1_N
AG24
CSI_D1BP
5M_MIPIB_DATA0_P
AH24
CSI_D1BN
5M_MIPIB_DATA0_N
AD21
DSI_CLKAN
AC21
DSI_CLKAP
AF20
DSI_D1AN
AG20
DSI_D1AP
AH21
DSI_D2AN
AG21
DSI_D2AP
L28
VI_PCLK
VT_PCLK
L24
VI_MCLK CAM_MCLK
H23
VI_D0 5M_MIPIB_RESET_N
H25
VI_D1 VT_CAM_PWDN
J23
VI_D2
VT_DATA[0]
J28
VI_D3
VT_DATA[1]
J24
VI_D4 VT_DATA[2]
J27 VDD_1V8
VI_D5 VT_DATA[3]
J25
VI_D6
VT_DATA[4]
J26
VI_D7
VT_DATA[5]
K23
VI_D8 VT_DATA[6]
L26
VI_D9 VT_DATA[7]
L23
VI_D10 FLASH_LED_TORCH
M22
VI_D11
5M_MIPIB_PWDN
K25
VI_VSYNC VT_VSYNC
L25
VI_HSYNC VT_HSYNC
H28
CAM_I2C_SCL CAM_I2C_SCL
NC H27
CAM_I2C_SDA
CAM_I2C_SDA
L22
VI_GP0
VT_RESET_N
M23
VI_GP3 FLASH_LED_EN
J22
VI_GP4 5M_MIPI_PWDN
L27
VI_GP5
5M_MIPI_RESET_N
M24
VI_GP6
FLASH_LED_INH
OJ102 OJ103 OJ104 OJ105 OJ106
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes