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- 14 - LGE Internal Use OnlyCopyright LG Electronics. Inc. All right reserved.Only for training and service purposes5 Factory Adjustment5.1 Manual Adjust Component 480i/1080pRGB 1080pA Summary : Adjustment component 480i/1080i and RGB1080p is Gain and Black level setting at Analog to Digitalconverter, and compensate the RGB deviationA Using instrument• Adjustment remocon, 801GF(802B, 802F, 802R) orMSPG925FA pattern generator (It can output 480i/1080ihorizontal 100% color bar pattern signal, and its outputlevel must setting 0.7V±0.1V p-p correctly)A You must make it sure its resolution and pattern causeevery instrument can have different settingA Adjustment method 480i Comp1, Adjust 1080p Comp1/RGB(Factory adjustment)• ADC 480i Component1 adjustment- Check connection of Component1- MSPG-925FA -> Model: 209, Pattern 65• Set Component 480i mode and 100% Horizontal ColorBar Pattern(HozTV31Bar), then set TV set toComponent1 mode and its screen to “NORMAL”• ADC 1080p Component1 / RGB adjustment- Check connection both of Component1 and RGB- MSPG-925FA -> Model: 225, Pattern 65• Set Component 1080p mode and 100% Horizontal ColorBar Pattern(HozTV31Bar), then set TV set toComponent1 mode and its screen to “NORMAL”• After get each the signal, wait more a second and enterthe “IN-START” with press IN-START key of Serviceremocon. After then select “7. External ADC” withnavigator button and press “Enter”.• After Then Press key of Service remocon “RightArrow(VOL+)”• You can see “ADC Component1 Success”• Component1 1080p, RGB 1080p Adjust is same method.• Component 1080p Adjustment in Component1 inputmode• RGB 1080p adjustment in RGB input mode• If you success RGB 1080p Adjust. You can see “ADCRGB-DTV Success”5.2 EDID (The Extended DisplayIdentification Data) / DDC (Display DataChannel) Download.A Summary• It is established in VESA, for communication between PCand Monitor without order from user for building usercondition. It helps to make easily use realize “Plug andPlay” function.• For EDID data write, we use DDC2B protocol.A Auto Download• After enter Service Mode by pushing “ADJ” key,• Enter EDID D/L mode.• Enter “START” by pushing “OK” key.=> Caution : - Never connect HDMI & D-sub Cable whenthe user downloading .- Use the proper cables below for EDIDWriting.§ Edid data and Model option download (RS232) |
