Video: Pixel Plus Part (diagram PP1 to PP4)
The Pixel Plus functionality is completely handled by an Electronic Programmable Logic
Device, EPLD (item 7101 on diagram PP1, PP3). The LVDS output from the TV &
Scaler Board is fed trough a LVDS receiver (item 7201 on diagram PP2) and then
delivered to the EPLD. The EPLD processes the signal and it is fed to the LCD panel
via a LVDS transmitter (item 7403 on diagram PP3).
The EPLD takes care of all picture improvement processing, like:
l
Colour improvement
n
Blue stretch
n
Green enhancement
n
Saturation control
l
Sharpness enhancement
n
Non-linear horizontal peaking
n
Non-linear vertical peaking
n
Coring, clipping
n
Sharpness meter
l
Contrast improvement
l
Gamma Look-Up Table
All other picture improvement processing is done in the Scaler.
Audio Processing
Figure: Block diagram audio processing
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Страница 110: ...Diagram A12 Type S9993CT IC7808 Figure Internal Block Diagram ...