Service manual

ViewSonic Corporation Confidential - Do Not Copy Q9b-2
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6. Video processor
l Flexible de-interlacing unit for VGA and digital YUV video input data
l Auto-calibration function for quick vide cantering, clock adjust and phase adjust
l Independent horizontal and vertical zoom in/out algorithm
l Enhanced interpolation algorithm for optimal image quality
l Provides RGB digital gain and offset control
l Dithering function supports 24-bits quality for 18-bit panel
l SRGB matrix mapping support
l 10-bit programmable gamma table for panel compensation
l Supports Hue and saturation adjustment
l Built-in POST pattern
Timing controller
l Support RSDS output
l Provides 4 differential data pairs to support 6 or 8-bit RGB data bus
l 10 General Purpose output allow suitability to different production environments
l Provide single pixel (18-24-bit) or dual pixel (36-48-bit)
l Programmable RSDS swing level
l Supports line offset function for two bank system panel
l 12 GPO internal controls 10 GPO external pin outputs
l Supports data swap to fit any panel data alignment for PCD layout
Sync Processor
l Supports separate, composite and TTL-level sync-on-Green (SOG) sync input
l Polarity detection for HSYNCI and VSYNCI
l Fast mode change detection function