Sanyo LCD-20XR1/AU Service Manual

Contents

Check if the sound volume is set to minimum.Make sure the earphone is not connected.Check if the cable connection is loose.When playing VHS picture searchtape, there are lines at the top orbottom of the picture.When being played or in pause VHS picture searchtape sometimes can’t provide stable picture, whichmay lead to incorrect display of the liquid crystal TV,In this case please press “auto” key on the remotecontrol so as to enable the liquid crystal TV set torecheck the signal and then to display correct picturesignalMethod of software upgradingThe Y# series models enable you to update software through the VGA interface.Hardware requirements:2. One standard VGA cable;3. The updating board especially for Y# main board.The steps for updating software:1. Install Gprobe 5.0:The first: Double click the GProbe5[1].0.0.15_S0006-EXE-09A to install it:According to the prompt of Windows and follow the steps one by one to finish the installation.The second: Double click the GPorbe5[1].0.0.15Update1_S0006-EXE-10A to install it:According to the prompt of Windows and follow the steps one by one to finish the installation.2. Copy the full directory of Isp_fastflash to anywhereE.g. Take the root directory of C:\ as an example for the following explaination:Copy the updating file *.hex to the directory of C:\ Isp_fastflash\E.g. C:\ Isp_fastflash\20Y25.hex.3. Open C:\ Isp_fastflash\Isp_parallel\ bat.txt as follows:Properly set the path of RAMWrite "C:\isp_fastflash\Isp_parallel\TEMP_OBJECT\isptemp_ parallel.hex"and FastFlashWrite "C:\isp_fastflash\20y25.hex", save them and close.4. Set the LCD to off. Connect the Y# updating board and PC with parallel cable.1. One parallel cable with male end and female end;7TROUBLE SHOOTING AND METHOD OF SOFTWARE UPGRADING