No specifics to your model, but generally, when video passes thru S video and not others the only difference is all other sources pass thru the comb filter. S video bypasses this video comb filter. I would start there. I also suppose there could be a rear panel video input select IC bad. Phil Bader Philip Bader Jan Phyl TV Inc. (estab. 1976) 3420 Recker Hwy. Winter Haven, Fl. 33880 Fax (863) 299-8821 email: tjanphyl@xxxxxxxxxxxxxxx GRAYSTV@xxxxxxx wrote: >We have a Sylvania projection set that has sound and OSD but no video from >tuner or Aux. inputs. We do have video thru S-video though. We don't have a >diagram on this chassis. I went looking for the comb filter and realized might > >need the diagram. Thought I'd see if anyone has had any similar problems and >offer some advice? The model # is RSJ445 and according to the tag in the >small signal panel, its' chassis # is PTV 310\325 >GraysTV/Glenn Gray >Berlin Ht's.OH 44814 >Phone (419) 588-2325 >graystv@xxxxxxx > > > >----------------------------------------------------------------------------- >This Email List is Public. Remove: http://www.tech-assist.org/remove.htm >Lost Password: http://www.tech-assist.org and select "Login Problems?". >Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app >Email Archives: //www.freelists.org/archives/techassist/ > > > > ----------------------------------------------------------------------------- This Email List is Public. Remove: http://www.tech-assist.org/remove.htm Lost Password: http://www.tech-assist.org and select "Login Problems?". Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app Email Archives: //www.freelists.org/archives/techassist/