CONFIDENTIAL – DO NOT COPY
Page 7-1
File No. SG-0000351
Chapter 7 Theory of Circuit Operation
The route of HDMI CON input
The passing signal is processed with the RTD2986ID. Then RTD2986ID generates a LVDS for
display device.
The route of HDTV (Ethernet) & Component input
HDTV (Ethernet) & Component signal is inputted to the RTD2986ID. After processing, RTD2986ID
generates a LVDS for display device. The audio signal is inputted RTD2986ID
. After processing,
RTD2986ID
transmits the signal to audio output. There are audio amplifier and line out.
The route of CVBS input
The CVBS signal is inputted to the RTD2986ID. After processing, RTD2986ID generates a LVDS
for display device. The audio signal is also inputted RTD2986ID
. After processing, RTD2986ID
transmits the signal to audio amplifier. Then, the amplified signal is the output audio signal.
The route of TV input
TV signal is demodulated by the tuner then the demodulating signal is divided into two parts, video
and audio signal. The video signal is processed by RTD2986ID
then RTD2986ID generates a
LVDS for display device. The audio signal is transmitted in the route named SIF. The SIF signal is
demodulated and decoded by RTD2986ID
. The audio signal is inputted RTD2986ID. RTD2986ID
transmits the signal to audio amplifier. Then, the amplified signal is the output audio signal.
The route of DTV input
DTV signal demodulated by the tuner then the demodulating signal is divided into two parts, video
and audio signal. The video signal is demodulated by RTD2986ID
. The demodulated signal is
transmitted to and processed by RTD2986ID
. Also, RTD2986ID generates a LVDS for display
device.
The audio signal is transmitted in the route named FAT-IN. The FAT-IN signal is demodulated and
decoded by RTD2986ID
after processing RTD2986ID transmits the signal to audio amplifier. Then,
the amplified signal is the output audio signal.
The operation of keypad
There is keypad to control and to select the function of LC-65LE654U. Also, there is a LED to
indicate the status of operation (White -> ON).
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