Samsung TXT3093WHX Service Manual page 29

■DHC IC Description
The DHC IC is image processor for geometry correction and brightness uniformity compensation. The input of DHC processor is digital R,G,B,
and the output of DHC processor is analog Y,Pb,Pr signal.
ITEM
Bright Comp En
Bright Comp En H-Gain
Bright Comp En V-Gain
Global Contrast
Red Line On/Off
Inner Cor En
Sym Cor En
Local Dst Cor En
H Cor En
Input Format
Input Img WidthL
Input Img WidthH
Input Img HeightL
Input Img HeightH
Input H Blk PeriodL
Input H Blk PeriodH
Input V Blk PeriodL
Test Patt En
Test Patt Form
output Img WidthL
output Img WidthH
Samsung Electronics
Bright uniformity compensation enable
Horizontla gain of BUC, whitch is used to Compensate the brightness distortion in
horizontal direction
Horizontla gain of BUC, whitch is used to
Compensate the brightness distortion in vertical direction
Globa contrast of BUC
Red line display enable
Inner direction correction ebable
Symmetry distortion correction enable
local distortion correction enable
Enable/Disable the whole DHC geometry correction and Brightness uniformitity
compensation
Input format select
Input width of image
Input width of image
Input height of image
Input height of image
Input horizontal blanking period
Input horizontal blanking period
Vertical blanking period
Test pattern enable
Test pattern format
width of output image
width of output image
EXPLANATION
Alignment & Adjustment
DATA
OFF
63
63
63
OFF
ON
ON
ON
ON
7
128
7
19
200
2
0
19
OFF
6
128
7
3-13