7. CIRCUIT DIAGRAM

UART_BT_SEL

12

 

 

 

 

11

 

 

10

UTXD

 

9

 

URXD

 

8

 

PWR

 

7

VBAT

VBAT

6

PM_ONSW_N

5

ON_SW

USB_VBUS

4

VCHAR

TP_UART_TX

3

TX

TP_UART_RX

2

RX

 

1

GND

 

 

 

2.5G

3G

2-2-2-1_ESC_ESC6270

 

MAIN_MIC_GNDGND

 

 

 

 

HS_GNDGND

 

HS GND

 

 

 

 

 

 

MAIN MIC P

MAIN MIC GND

FM L

FM R

UART RX

UART TX

 

 

 

 

VREG_MSME_1V8

 

JTAG_TCK

JTAG_TDI

JTAG_TMS

PS_HOLD

JTAG_TRST_N

MSM_RESIN_N

JTAG_TDO

JTAG_RTCK

 

BL_LCD_CAM_LDO_I2C_SDA BL_LCD_CAM_LDO_I2C_SCL MUIC_AUD_FM_I2C_SCL MUIC_AUD_FM_I2C_SDA

HALL_SENS_DET

BT_RST_N

BT_WAKEUP_HOST MUSIM_DP MUSIM_DM

WLAN_CLK

WLAN_SDIO[3]

WLAN_SDIO[2]

WLAN_SDIO[1]

WLAN_SDIO[0]

WLAN_CMD

BT_PWR_ON

LCD_IF_MODE[0]

HS_JACK_DET WLAN_BT_REG_ON

LCD_RST_N

WLAN_RST_N

MUIC_INT_N

CHG_STS_N

CHG_EN_N

High : BT UART

Low : UART Comm

BL_LCD_CAM_LDO_EN

UART_BT_SEL

Copyright © 2010 LG Electronics. Inc. All right reserved.

Only for training and service purposes

- 125 -

NET Conn

RESOUT_NNAND_WP_N

DDR_A[14]DDR_BA[00]

DDR_A[15]DDR_BA[01]

NAND_D[00]LCD_DATA[0]

NAND_D[01]LCD_DATA[1]

NAND_D[02]LCD_DATA[2]

NAND_D[03]LCD_DATA[3]

NAND_D[04]LCD_DATA[4]

NAND_D[05]LCD_DATA[5]

NAND_D[06]LCD_DATA[6]

NAND_D[07]LCD_DATA[7]

NAND_D[08]LCD_DATA[8]

NAND_D[09]LCD_DATA[9]

NAND_D[10]LCD_DATA[10]

NAND_D[11]LCD_DATA[11]

NAND_D[12]LCD_DATA[12]

NAND_D[13]LCD_DATA[13]

NAND_D[14]LCD_DATA[14]

NAND_D[15]LCD_DATA[15]

NAND_WE_NLCD_WR_N

NAND_OE_NLCD_RD

LGE Internal Use Only

Page 124
Image 124
LG Electronics LG-C320 service manual NET Conn