9" ac/dc combo LA78040 vert IC. Need to adjust vert ht. Also would like to adjust screens. Is there a service menu for this tv or do I need to change resistor values and if so which ones. Thanks much... Joel Jacobs Ohio Consumer Electronics Pickerington Ohio ***************************************************************************** Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/