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Main Block Diagram - LG LAN8900EKXM Service Manual

Audio & navigation system

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MAIN BLOCK DIAGRAM

DCDC
3.7V
MICOM
BCM
Echo
canceller
VIDEO IN
CVBS
CAMERA
CVBS
Digital audio_USB/ CD(I2S)
DIRANA
Navi_Voice(analog)
SAF7741
V
oice(analog)
EXTERNAL
MIC
TOUCH
PANEL
BT M/ D
USB/ iPod
VDDX
LDO
VDDI,VDDY
PM IC
VDDX_ON
DDR 1.8V
TPS650245
PWR_EN
Save_Mode
CPU_RESET
RESET_IN
RESET IC
VDDX
VDDX OK
TC1270ARV
UART(RX/ TX)
WAKE UP
Eject
Digital audio(I2S)
CD DECK
I2C
HW Eject
M10
CRQ/ INS
Rear Gear / Cam
RX/ TX,I2C/ Mode/ Reset
YCbCr(4:2:2)
CVBS
VIDEO
I2C
DECODER
CVBS
CIM_CLK
TW9910
AUDIO
AC97
CODEC
Pen_down
WM1616
X±/Y±
UART(RX/ TX)
USB(D+/ D- )
Bus address
10bit
LATCH
LVC16374A
Reset_out/ OE/ WE/ CS0/ Busy
Bus data 16bit
Bus address 15bit
CS2/ OE
BUS TRANSEIVER
SN74LVC16245
TDI/ RST/ TDO/ TMS/ TCK
SD DATA # [ 0:3] / CMD / CLK
CPU
I2C / Reset
CP2.0B
AU1350
Data 16bit
Address 13bit
Data 16bit
MT47H64M16HR
Address 13bit
FCLK/ LCLK/ PCLK/ BIAS
RGB 8:8:8
UART(RX/ TX) / RESET
GPS ON1/ 2
Interface
Power
Signal
5-1
5-2
NOR FLASH
PIC
SPASION
MICOM
256Mb
UART(RX/ TX)
RESET/ CS2/ KEY_INT/ OE/ WE
UART EXTEND
SC16C550BIBS
JTEG
Flash memory
iNand 8G
12V
FAN
on/ off
DDR2
DDR2
MT47H64M16HR
LCD PANEL
TW8816
Speed / Rear Gear
BCM
GPS M/ D
TREMBLE
LDO1
LDO2
PM IC
: Main board
: LCD board
: from Audio
: from M/D
AUDIO
5V

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