Jeff, I had a Zenith this summer that was struck by lightning, and after fixing the power supply and getting the set running, it was all snow(bad tuner), I informed the customer it needed a new tuner. They decided they didn't want to spend that much. So I checked the boneyard and found a similar tuner, only it had the RCA jack input instead of the F connector input, I believe they were the same tuners you are asking about. I installed it and did some reconfiguring RCA jack to F connector, and it worked just fine! HTH Dan Webster Webster's TV Shullsburg, Wi. ----- Original Message ----- From: <wjstv@xxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Thursday, December 11, 2003 7:57 AM Subject: [TechAssist] Zenith tuners 175-2720 175-2721 > We have a Zenith tv with a bad tuner 175-2721. It has an F connector input. > Will a 175-2720 Zenith tuner (RCA jack input) sub electronically for the > 175-2721? In other words, is the input connector the only difference between > these two tuners? > > Jeff Smith > Smith TV Service > 1930 Main St > Newberry, SC 29108 > 803/276-9910 > > > > **************************************************************************** * > Lost Password: > http://www.tech-assist.org and select "Login Problems?". > Email Archives: > //www.freelists.org/archives/techassist/ > ***************************************************************************** Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/