Al: To determine if it is an AGE problem within the processor you have to vary the IF input and monitor the output. Wayne Vanaman Omega Electronics 6904 W Fairfield Dr Pensacola, Fl. 32506-3310 Wayne@xxxxxxxxxxxxxxxxxxxxx WWW.PensacolaTVRepair.Com 850-456-5995 voice 850-458-6369 fax al m wrote: > I changed both IC's and same thing. I did notice the AGC isn't changing. Put > IF in from My sencore and Perfect picture and AGC is down to 5V.Checked > voltages on the op amp outputs with the cable connected and they are within > ( . )1V. This has got me by the balls. It;s only a 20" tv, but I would like > to find the problem. Any Ideas? > > Al Marquardt > ampm@xxxxxxx > Al Marquardt Electronic Repair > 206 W Main > Girardville Pa. 17935 > ----- Original Message ----- > From: "al m" <ampm@xxxxxxx> > To: "tech assist" <techassist@xxxxxxxxxxxxx> > Sent: Wednesday, October 19, 2005 2:01 PM > Subject: [TechAssist] Fw: 20GT375 CTC176E No channels above 50 > > > >>>I know I saw this here but I can't find it in the archives or my tips. I >>>think you replace U7401 for this. I know anything below 50 is U7301. >>>Al Marquardt >>>ampm@xxxxxxx >>>Al Marquardt Electronic Repair >>>206 W Main >>>Girardville Pa. 17935 >>> >> >>----------------------------------------------------------------------------- >>This Email List is accessible to the general public through search >>engines. Remove: http://www.tech-assist.org/remove.htm >>Set Vacation >>mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation >>Lost Password: http://www.tech-assist.org and select "Login Problems?". >>Email Archives: //www.freelists.org/archives/techassist/ >> >> > > > > ----------------------------------------------------------------------------- > This Email List is accessible to the general public through search engines. > Remove: http://www.tech-assist.org/remove.htm > Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation > Lost Password: http://www.tech-assist.org and select "Login Problems?". > Email Archives: //www.freelists.org/archives/techassist/ > > ----------------------------------------------------------------------------- This Email List is accessible to the general public through search engines. Remove: http://www.tech-assist.org/remove.htm Set Vacation mailto:ecartis@xxxxxxxxxxxxx?subject=set%20techassist%20vacation Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/