I could use a service manual for a Panasonic CT13R38SG chassis TMC573A. Trouble with the set is that I can't change the volume. When either volume button is pressed the osd dances between 33 and 35. Thanks guys. Hollis Bates, Field Engineer-retired, Lewiston, Maine. ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/