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Vl-701 Display Control Board; Description; Features; Block Diagram (Control Ckt) - Hitachi CML170SXW Service Manual

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2. VL-701 DISPLAY CONTROL BOARD

A. Description
The VL-701 display control board is design to directly convert the analog RGB signals from
standard VGA display card to optimum LCD timing signals so as to construct a high display
quality LCD monitor.
B. Features
On board embedded micro-processor to detect display timings and control user
functions.
Using Pixelworks design to generate optimum LCD timings.
Using E 2 PROM to memorize every adjusted parameter.
support up to 22 display modes from VGA to SXGA.
Offer full screen expansion function on non-SXGA mode (automatic).
flexible color temperature selection function including 9300,6500 and user mode.
Support OSD functions.
Support VESA DPMS function.
Support DDC1/2B functions.
Support 5 languages for OSD description.
The longest time for mode change is 3 seconds.
C. BLOCK DIAGRAM
4

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