Front Block Diagram - LG LNC1200EEFS Service Manual

FRONT BLOCK DIAGRAM

< Main Block >
MAIN
BOARD
AUDIO
BOARD BOARD
CVBS (Rear Camera)
R [7~0]
G [7~0]
B [7~0]
PCLK
BIAS
LCLK
FCLK
3.3 V
X-, X+, Y-, Y+
WM9713
4 4
BT_RX, TX
2
SPI_CS, CLK, TX, RX
4
PCM
4
KEY_RX, TX
POWER/EJECT/VOLUME+/-
BACKLIGHT ON/OFF
LCD_PWM (Brightness Control)
LCD7.4 V, LCD5 V, LCD3.3 V
ILL+, ILL-
Reset
5-1
< Front Block Diagram >
R [7~2]
G [7~2]
B [7~2]
CLKH
Video
CLKV
Decoder
(TW8816) HSYNC
VSYNC VSYNC
VCOM VOLTAGE
I2C
B/T
Module
RESET
Key ey
MICOM
Volume Key
EN
DCDC DCDC+
LED Driver
(AAT2823)
POWER
BLOCK
Reset
Key
5-2
TOU
7.0"
CH
r-VOLTAGE 10
LCD
SCR
Panel
EEN
Switch
Key LED BLU