LG -P970 Service Manual page 208

DP3T SWITCH
1.8V_VIO
IC301
6
UART3_TX_OMAP HSD1+
8 1
UART_TX_SW HSD2+ D+
10
USB_DP_IFX
HSD3+
5
UART3_RX_OMAP
HSD1-
7
UART_RX_SW HSD2-
USB_DM_IFX 9 2
HSD3- D-
11 12
IFX_UART_SW
SEL1 VCC
OMAP_UART_SW 4 3
SEL0 GND
LEVEL SHIFTER
1.8V_VIO 2.3V_RTC
U302
1 8
VCCA VCCB
2 7
IFX_PWRON_1.8V A1 B1
3 6
IFX_RESET_1.8V
A2 B2
C302
4 5 C303
_OE GND
10n
10n
Array TP
VBAT VCHG
UAT301
2.5G 3G
1
GND GND
2
UART_RX_IFX
RX RX
3
UART_TX_IFX TX TX
4
NC1 VCHAR
5
PWR_ON_SW
ON_SW ON_SW
6
VBAT VBAT
7
NC2 PWR
8
NC3 URXD
9
NC4 UTXD
10
DSR
11
RTS
12
CTS
POP memory
4G LPDDR
U305
1
Fiducial1
LGE Internal Use Only
VBAT
1.8V_VIO
UART_TX
TP306
UART_RX
Internal pull-up at I2C1 and I2C4
H9
SDRC_BA0
H10
SDRC_BA1
E1
NC35
E2
NC9
D1
NC10
D2
NC11
D3
NC12
D4
NC13
C1
NC19
C2
NC29
C3
NC26
D5
NC28
C4
NC30
C5
NC23
B3
NC31
B4
NC36
A4
NC6
H14
SDRC_NRAS
H13
SDRC_NCAS
H15
SDRC_NWE
A13
SDRC_CLK
A14
SDRC_NCLK
H17
SDRC_CKE1
H16
SDRC_CKE0
H12
SDRC_NCS1
H11
SDRC_NCS0
C20
NC39
B11
NC27
A16
SDRC_DM1
B7
NC8
A20
NC45
IFX_PWRON A10
NC40
A17
SDRC_DQS1
IFX_RESET
A6
NC38
AG22
LCD_MIPI_D0_P DSS_DATA0
AH22
LCD_MIPI_D0_N DSS_DATA1
AG23
LCD_MIPI_D1_P DSS_DATA2
AH23
LCD_MIPI_D1_N DSS_DATA3
AG24
LCD_MIPI_CLK_P DSS_DATA4
AH24
LCD_MIPI_CLK_N DSS_DATA5
E26
DSS_DATA6
F28
DSS_DATA7
F27
DSS_DATA8
G26
DSS_DATA9
AD28
DSS_DATA10
AD27
DSS_DATA11
AB28
DSS_DATA12
AB27
DSS_DATA13
AA28
DSS_DATA14
AA27
DSS_DATA15
G25
DSS_DATA16
H27
MIC_SEL
DSS_DATA17
H26
DSS_DATA18
H25
DSS_DATA19
E28
DSS_DATA20
J26
DSS_DATA21
AC27
DSS_DATA22
AC28
DSS_DATA23
D28
DSS_PCLK
D26
DSS_HSYNC
D27
DSS_VSYNC
E27
DSS_ACBIAS
N28
MICROSD_CLK R311
MMC1_CLK
M27
MICROSD_CMD 10 MMC1_CMD
N27
MICROSD_DAT0 MMC1_DAT0
N26
MICROSD_DAT1 MMC1_DAT1
N25
MICROSD_DAT2 MMC1_DAT2
P28
MICROSD_DAT3 MMC1_DAT3
P27
MMC1_DAT4
P26
OMAP_SEND MMC1_DAT5
R27
KEY_LED_RESET MMC1_DAT6
R25
MMC1_DAT7
MODEM_AP_WAKE
R324 AE2
MMC_CLK MMC2_CLK
AG5
36
MMC_CMD MMC2_CMD
AH5
MMC_DAT0 MMC2_DAT0
AH4
MMC_DAT1 MMC2_DAT1
AG4
MMC_DAT2 MMC2_DAT2
AF4
MMC_DAT3 MMC2_DAT3
AE4
MMC_DAT4 MMC2_DAT4
AH3
MMC_DAT5 MMC2_DAT5
AF3
MMC_DAT6 MMC2_DAT6
AE3
MMC_DAT7 MMC2_DAT7
OMAP3630
TP307
TP308 TP309
U301
- 208 -
K1
GPMC_D0
L1
GPMC_D1
L2
GPMC_D2
P2
GPMC_D3
T1
GPMC_D4
V1
GPMC_D5
V2
GPMC_D6
W2
GPMC_D7
H2
GPMC_D8
K2
GPMC_D9
P1
GPMC_D10
R1
GPMC_D11
R2
GPMC_D12
T2
GPMC_D13
W1
GPMC_D14
Y1
GPMC_D15
N4
GPMC_A1 LCD_RESET_N
GPIO 34
M4
GPMC_A2 TOUCH_INT_N
GPIO 35
L4
GPIO 36 GPMC_A3 VT_CAM_PWDN
K4
GPIO 37 GPMC_A4 CAM_SUBPM_EN
T3
GPMC_A5 MODEM_PWR_CHK
GPIO 38
R3
GPMC_A6 MODEM_WAKE
GPIO 39
N3
GPIO 40 GPMC_A7 MUIC_INT_N
M3
GPIO 41 GPMC_A8 GYRO_INT_N
L3
GPMC_A9 MOTION_INT
GPIO 42
K3
GPMC_A10 BT_HOST_WAKEUP
GPIO 43
D6
NC43
C6
NC21
B6
NC24
C8
NC7
C9
NC42
A7
NC44
B9
NC41
A9
NC20
C14
SDRC_D8
B14
SDRC_D9
C15
SDRC_D10
B16
SDRC_D11
D17
SDRC_D12
C17
SDRC_D13
B17
SDRC_D14
D18
SDRC_D15
D11
NC18
B10
NC16
C11
NC14
D12
NC1
C12
NC32
A11
NC4
B13
NC5
D14
NC3
C18
NC2
A19
NC33
B19
NC15
B20
NC17
D20
NC25
A21
NC22
B21
NC37
C21
NC34
G4
GPMC_NCS0
H3
GPMC_NCS1 BT_WAKEUP
GPIO 52
V8
GPMC_NCS2 LCD_TE
GPIO 53
U8
GPIO 54 GPMC_NCS3 LCD_CS
T8
LCD_MAKER_ID
GPIO 55 GPMC_NCS4
R8
GPMC_NCS5 VIBE_PWM
GPIO 56
P8 VIBE_EN
GPMC_NCS6
GPIO 57
N8
GPIO 58 GPMC_NCS7 COM_INT
T4
GPMC_CLK
F4
GPMC_NWE
G2
GPMC_NOE 1.8V_VIO
F3
GPMC_NADV_AL
G3
EAR_MICBIAS_EN
GPIO 60 GPMC_NBE0_CL
U3
GPMC_NBE1 VT_RESET_N
GPIO 61
H1
GPMC_NWP LCD_CP_EN
GPIO 62
M8 R312
GPMC_WAIT0
L8
4.7K
GPIO 63 GPMC_WAIT1 ONENAND_INT
K8
GPMC_WAIT2 UART4_TX_IPC
GPIO 64
J8
GPMC_WAIT3 UART4_RX_IPC
GPIO 65
AB26
UART2_CTS BT_UART_CTS_N
AB25
UART2_RTS BT_UART_RTS_N
AA25
UART2_TX BT_UART_TXD
AD25
UART2_RX BT_UART_RXD
H18
UART3_CTS_RCTX HOOK_DIG Also connected to TWL 'HOOK_ADC'
GPIO 163
H19
UART3_RTS_SD
GPIO 164
H20
UART3_TX_IRRX UART3_RX_OMAP
H21
UART3_TX_IRTX UART3_TX_OMAP
AA8 GPS_UART_TXD
UART1_TX
GPS_UART_RTS_N
AA9
UART1_RTS
W8
GPS_UART_CTS_N
UART1_CTS
Y8
UART1_RX GPS_UART_RXD
1.8V_VIO
BOOT CONFIGURATION
SYS_BOOT0 SYS_BOOT1 SYS_BOOT2 SYS_BOOT3
OneNAND boot
0 0 0
eMMC boot
1 0 1
External boot 0 0 1
Copyright © 2011 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
SYS_BOOT4 SYS_BOOT5 SYS_BOOT6
0 1 0 1
1 1
0 0
0 0 1 1
Only for training and service purposes