LG CU920 Manual page 166

6. BLOCK DIAGRAM
+VPWR
MAIN KEYPAD backl ig ht
Motor
Remot e PWR ON (Recep)
USB_D+, D-, VBUS
USB (Recep )
USIM
JTAG CON, UART,USB
LGE Internal Use Only
TCXO Xtal:sl eep
(19.2MHz) (32.768kHz)
ON_SW_N
PM6650
LED_CON
LED,Motor
MOTOR_POWER-
Dri ver
PM_ON_SW_N
USB_DAT, SE0 , OE_N
USB Tr ans
RUIM_IO ,CLK, RUIM_M_IO, CLK, RST_N
USIM Level
Trans
RST_N
SSBDT_PM
SBI
UART TX/RX
USB_D+,D-,VBUS
TRST_N, TCK, TMS, TDI, TDO, RTCK
Peripheral Block Diagram
MSM_RESIN_N
PS_HOLD
MSM6281
TCXO_EN
TCXO_MSM
SLEEP_CLK
PM_INT_N
USB
AMUX_OUT
HKADC0
VBATT_SENSE
HKADC1
TTY_ADC_DET
ADC
HKADC3
REF_ADC HKADC4
VBATT_TEMP HKADC5
UART2 (USIM)
UART3 (PM_SBI)
UART1 (IrDA)
JTAG
Copyright © 2008 LG Electronics. Inc. All right reserved.
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TOUCH_SDA
TOUCH_SCL
Tou ch dri ver IC
TOUCH_PENIRQ
TFLASH_DET_N
SDCC_CMD
SDCC_DATA TFLASH
SDCC_CLK
KEY_ROW(0:3)
KEY
KEY_COL(0:3)
EAR_SENSE_N
EAR JACK
TTY_ADC_DET
+VPWR
Charge Pu mp
Charge Pu mp
LCD_BL_ CTRL
Only for training and service purposes