Daewoo DTQ-29S3FC Service Manual page 27

IC DESCRIPTION
1. Abstract.
This specification is 1-Tuner Mono Model for North/South America, CCD 1-Chip MICOM LC863240V.
It is developing software specification for tuning only NTSC TV F/S.
2. H/W Outline.
1) ROM : 28,672 x 8bits.tsc
: 15,872 x 8 bits for CGROM.
2) RAM : 512 x 8bits.
: 336 x 9bits.(for CRT Display)
3) OSD Function.
- Screen Display.
- RAM
Display area.
1st control area. : 8 words. x 8 lines.
- Characters.
244 patterns programmable.
Up to 244 kinds of 16 x 17 dot characters.
Up to 244 kinds of 8 x 9 dot characters.
Up to 244 kinds of 16 x 32 dot characters used 16K bytes.
- Various characters attributes.
Character colors.
Character background colors.
Fringe / shadow colors.
Full screen colors.
Rounding.
Underline.
Italic character.(slanting)
- Attribute can be changed without spacing.
- Vertical display start line number can be set for each row independently.(Row can be overlapped.)
- Horizontal display start position can be set for each row independently.
- Different display modes can be set for each row independently.
Caption and Text mode/ OSD mode 1/ OSD mode 2(Quarter size)/ Simplified graphic mode.
- Ten character sizes.
Horiz. x Vert. = (1x1),(1x2),(2x2),(2x4),(0.5x0.5)
- Shuttering and scrolling on each row.
3. System Feature.
1) The system for TV tuning is Frequency Synthesis type.
2) Closed Captions function is interior designed.
: 34 characters x 16 lines.(by software)
: 336 words. (9 bits per word)
: 34 words. x 8 lines.
or
: 16 colors
: 16 colors
: 16 colors
: 16 colors
(1.5x1),(1.5x2),(3x2),(3x4),(0.75x0.5)
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Appendix