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5.6. Circuit Operation Theory
I. Introduction:
GL2055/GL2055A/GL2055M is a 20W” WXGA+ (1600x900) resolution
TFT LCD monitor. The monitor shall support VGA and DVI with HDCP inputs. It‟s
compliant with VESA specification to offer a smart power management and power
saving function. It also offers OSD menu for users to control the adjustable items
and get some information about this monitor, and the best function is to offer users
an easy method to set all adjustable items well just by pressing OSD auto-adjust
function which can auto adjusting all controlled items.
GL2055/GL2055A/GL2055M also offer DDC2BI function to meet VESA
standard.
A-1.) Interface board diagram:
GL2055A
(a) Circuit operation theory:
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