Hardware Architecture - LG -P350 Service Manual

3.8 Hardware Architecture

<System HW Block>
System HW Block Diagram
CPU Interface
Capacitive Touch
2.8" QVGA
(Melpas + ELK)
240*320
LCD Backlight IC LCD Backlight IC
AAT2862
DDR SDRAM(2G)
MCP(Hynix) MCP(Hynix)
NAND FRESH (4G) NAND FRESH (4G)
H8BCS0UN0MCR-4EM
CAM 3M
Digital Compass
(AMI304)
MOTION Sensor
(KR3DH)
Send Key
Vol. up
Vol. Down
I2C
MUIC
(TS5USBA)
USBH DM & DP
LGE Internal Use Only
BT_UART
CPUInterface
BT PCM BT_PCM
TOUCH I2C WLAN_SDIO
LINE_L& R
TOUCH INT
TX IQ, PRX IQ _ Q,
BL_I2C BL I2C
DRX_IQ
GPIO59
EBI1 (DDR)
EBI2 (NAND)
GPIO_28
MSM7227
MIC
CAM I/F
CAM_I2C
EAR1_OP&ON
LINE_ON&OP
COMPASS_I2C
HPH_L&R
COMPASS_INT
GPIO_27
MOTION_I2C
MOTION_INT MOTION INT
USIM
Key COL, Key ROW
GPIO106
MMC
HKAIN2
GPIO24
GPIO25
RESIN_N
MUIC_I2C
UART3
UART3
JTAG
USBPHY
REMOTE_PWR_ON
Array TP
Figure. Block Diagram
FM_L&R
TCXO_
38.4MHz
PRX_IQ
_ Q
DRX_IQ
SBDT
LIN_PWM_FREQ
(WHVM-1030Q10) (WHVM-1030Q10)
MIC
RTR_TRK_LO_ADJ
TCXO_19.2MHz
RCV_P & N
LINE_OP, LINE_ON
HPH_R, HPH_L
AUDIO_I2C
USIM I/F
USIM
PMIC_SSBI
SBDT_SSBI
AMUX_OUT AMUX_OUT
AMUX_OUT
PM_INT_N
MSM_INT_N
PS_HOLD
PS_HOLD
MPP3,4
JTAG_PS_HOLD
nJTAG_RESOUT
JTAG(TCK,TDI,TDO...)
UART3_TX/RX
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3. TECHNICAL BRIEF
All System
Bluetooth v2.1
Wi-Fi 802 11b/g Wi-Fi 802.11b/g
FM Radio
FM_L&R
F_CLK_IN
BCM43291
CLK_REQ
GSM & WCDMA
Tx Module Tx Module
RF I/F RF I/F
(SKY77544)
Transceiver Transceiver
(RTR6285) (RTR6285)
TCXO
GPS
Q-Motor Q-Motor
TCXO_RTR_19.2MHz
TCXO_PM_19.2MHz
)
(Kyocera
SPK_RCVP, N
Audio Sub
WM9093ECS-R EAR_L, R
TCXO IN _
PWR/End Key
KPD_PWR_N
SIM
USIM
PM7540
Backlight_Key
KPD_DRV_N
PON_RESET_N
JTAG CONN.
Only for training and service purposes
BT &
Wi-Fi
FM
GPS
Speaker &
Receiver R i
3.5 pi
Earjack
Key LED