LG 42PT250B Service Manual page 24

Block Diagram – Overview()
ISDB-T/
PAL/NTSC
CVBS
COMP1
COMP2
RGB-PC
Side AV
AV1,2 L/R
COMP 1,2 L/R
RGB-PC L/R
HDMI 1
HDMI 2
HDMI 3
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Only for training and service purposes
IF
SIF
IF(ATSC)
Serial_TS(SBTVD)
DEMOD DEMOD
CVBS(ATV)
Rear AV
TMDS/DDC
TMDS/DDC
TMDS/DDC
X-tal NAND
Serial Flash
(24MHz) Flash
S7LR
Y/Cb/Cr
Y/Cb/Cr
R/G/B
Video
Front
DDC
End
CVBS
CVBS
L/R
Audio
L/R
Front
End
HDMI
RX
DDR3
LVDS out
HD
HD/SD
(1024*768)
Video
Encoder
SPDIF Out
Audio
MCLK
DSP
I2S
IR
RX/TX
RS-232C
UART
UART
UART
Side USB
USB2.0
LGE Internal Use Only
STA368
(Digital AMP)