Service manual

ViewSonic Corporation Confidential - Do Not Copy Q7b-3
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C.NT68521
The NT68521 is a high quality image and highly integrated LCD controller, it combines a triple ADC, scaling engine,
OSD, LVDS and timing controller
The ADC supporter up to 160MHZ pixel rate and built-in a low jitter digital for sampling input video that provides
more stabile ,clear data for display,
The NT68521 Built-in DSP engine execute image zoom-in, zoom out function, the zoom feature provides linear
scaling up/down that makes it easier to fit different panel resolutions
The OSD provides a bit map,multi-color RAM front that is more flexible to create the customer’s OSD the output
provides multi-interface and for general panel solutions ,the display provides LVDS interface
The NT68521 also has a built-in spread spectrum feature to provide low EMI solutions ,SRGB for video color space
convert ,post pattern for manufacturing test ,de-interlace feature receives interlace video input and display on TFT
panels