Sanyo PLC-SW30 Service Manual

Also see for plc sw30 - SVGA LCD Projector: Owner's manual Specifications Service manual Service manual Owner's manual

-25-1. Receive the 16-step gray scale computer signal withCOMPUTER IN [RGB] mode.2. Enter the service mode.3. Project only red light component to the screen.4. Select item no. “15” and change data value to obtainthe minimum flicker on the screen.5. Project only green light component to the screen.6. Select item no. “14” and change data value to obtainthe minimum flicker on the screen.7. Project only blue light component to the screen.8. Select item no. “13” and change data value to obtainthe minimum flicker on the screen., Common Center adjustment[PC-GAMMA ADJUSTMENT]1. Receive the 100% whole-white computer signal withCOMPUTER IN [RGB] mode.2. Enter the service mode.3. Measure luminance on the screen with the luminancemeter. It is A for the reading of luminance meter.4. Change the signal source to the 50% whole-whitecomputer signal with COMPUTER IN [RGB] mode.5. Select item no. “16” and change data value to makethe reading of luminance meter to be A x 23%.[AV-GAMMA ADJUSTMENT]1. Receive the 100% whole-white composite video sig-nal with Video [Video] mode.2. Enter the service mode.3. Measure luminance on the screen with the luminancemeter. It is B for the reading of luminance meter.4. Change the signal source to the 50% whole-whitecomputer signal with Video [Video] mode.5. Select item no. “16” and change data value to makethe reading of luminance meter to be B x 22%.m Gamma adjustmentElectrical Adjustments[PC WHITE BALANCE ADJUSTMENT]1. Receive the 16-step gray scale computer signal withCOMPUTER IN [RGB] mode.2. Enter the service mode, select item no. “17” (Red) or“18” (Blue), and change data values respectively tomake a proper white balance.[AV WHITE BALANCE ADJUSTMENT]3. Receive the 16-step gray scale video signal withVideo [Video] mode.4. Enter the service mode, select item no. “17” (Red) or“18” (Blue), and change data values respectively tomake a proper white balance.Confirm that the same white balance is obtained invideo and computer input.. White Balance adjustmentIf you find the color shading on the screen, pleaseadjust the white uniformity by using the proper comput-er and “Color Shading Correction” software suppliedseparately. The software can be ordered as follows;COLOR SHADING CORRECTION ver.. 3.0Service Parts No. 645 056 6288NOTE ON WHITE UNIFORMITYADJUSTMENT