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CIRCUIT DESCRIPTIONS
D60WLCD - 923-03486
3-21
094A - SERVICING
DTV READY VIDEO CHIP
FEATURES
• Integrate format converter and display controller
into a single chip
• Input video (2 channels)
- NTSC/PAL
- PC output: VGA/SVGA/XGA
- STB output: 1080I, 720P, 480P, 480I
- Display: any combination of NTSC/PC/STB in-
cluding 2xNTSC, 2xSTB
• High quality NTSC up-conversion
- Noise reduction: adaptive mean filtering
- Time base correction with frames for non-stan-
dard signal (ex: VCR)
- Motion-adaptive 3-D de-interlacing with direc-
tional interpolation
• Display format: 1080I/768(720)P/480P/480I both
4:3 and 16:9 Europe 576I 100Hz 4:3 and 16:9
• Display mode: PIP/POP/split-screen/zoom-in/video
scaling/multi-PIP(strobe...)
• Aspect ratio conversion: wide, zoom, spectacle,
text, crop (16:9 display) pan & scan, letterbox,
squeeze (4:3 display)
• Brightness correction (around corner) for PJTV
• Miscellany: internal color space conversion(x3),
3xDAC, various pattern generation
• Applications: DTV ready, high-end analog TV(480p)
• CPU interface - 16 bit (ARM,...)
• Memory: 8M (16Mbitx4) SDRAM, 4M (16Mbitx2)
SDRAM
EXTERNAL INTERFACE
• Frame size detection
- NTSC/PAL
- PC output: VGA/SVGA/XGA
- STB output: 1080I, 720P, 480P, 480I
• Field detection
• Frame rate detection
- Clock selection: 59.94/60Hz detection
- VGA frame rate detection: 60/70/75 Hz etc.
• Time base correction with frames for non-standard
signal (ex: VCR)
• Color space conversion
- VGA: RGB => YCbCr
- NTSC/PAL: YUV/YIQ/YCbCr/YDbDr => YCbCr
- STB: YCbCr => YCbCr
• Chrominance Format Conversion : 4:4:4 => 4:2:2,
4:2:2 => 4:2:2
• Active image generation using external input off-
set value
• Noise reduction: Luminance/chrominance
- Adaptive mean filter
- Horizontal: 9 tap
• Histogram Calculation
• Caption decoding for NTSC input
• CGMS decoding for HD/480P input
Format
Resolution (HxV) Aspect Ratio Scan Type
Frame Rate
768 X 480
4:3
Interlaced
29.97, 30
720 X 480
4:3
Interlaced
29.97, 30
640 X 480
4:3
Progressive 29.97, 30
PAL
720 X 576
4:3
Progressive 25
1024 X 768
4:3
Progressive 60
800 X 600
4:3
Progressive 60 ~ 75
640 X 480
4:3
Progressive 60 ~ 75
640 X 350
4:3
Progressive 70
Progressive 23.98, 24, 29.97, 30
Interlaced
29.97, 30
1280 X 720
16:9
Progressive 23.98, 24, 29.97, 30, 59.94, 60
Progressive 23.98, 24, 29.97, 30, 59.94, 60
Interlaced
29.97, 30
16:9
Progressive 23.98, 24, 29.97, 30, 59.94, 60
4:3
Interlaced
29.97, 30
Progressive 23.98, 24, 29.97, 30, 59.94, 60
Interlaced
29.97, 30
640 X 480
4:3
Typical Video Input
NTSC
PC output
Set-Top Box
Output
1920 X 1080
16:9
852 X 480
16:9
720 X 480
Содержание D60WLCD Series
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Страница 69: ...D60WLCD 923 03486 5 3 094A EXPLODED VIEWS D60WLCD Main PCB Layout...
Страница 70: ...D60WLCD 923 03486 5 4 094A EXPLODED VIEWS D60WLCD Power PCB Layout Power Ballast Interface...
Страница 71: ...D60WLCD 923 03486 5 5 094A EXPLODED VIEWS D60WLCD Digital PCB Layout...
Страница 72: ...D60WLCD 923 03486 5 6 094A EXPLODED VIEWS D60WLCD Drive PCB Layout...
Страница 73: ...D60WLCD 923 03486 5 7 094A EXPLODED VIEWS D60WLCD Chroma PCB Layout...
Страница 74: ...D60WLCD 923 03486 5 8 094A EXPLODED VIEWS D60WLCD Tuner PCB Layout...
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