Vizio L42HDTV10A Service Manual page 24

BOLOCK DIAGRAM
4. 2D-Graphic/OSD processor
Embedded two backend RGB domain OSD planes and one YUV domain OSD plane. to support
Main/PIP Teletext/Close-caption functions together with setup menu
1.Supporting alpha blending among these two planes and video
2.Supporting Text/Bitmap decoder
3.Supporting line/rectangle/gradient fill
4.Supporting bitblt
5.Supporting color Key function
6.Supporting Clip Mask
7.65535/256/16/4/2-color bitmap format OSD,
8.Automatic vertical scrolling of OSD image
9.Supporting OSD mirror and upside down
CONFIDENTIAL – DO NOT COPY
Page 7-5
File No. SG-0198