Zenith Chromacolor II Drifting tuner/composite mod?

[radiotvnut]

I think I remember you posting about this set and it was a space command remote set with a varactor tuner. A common problem on those was loose connections inside the tuner module. Resolder all the ground connections, as well as the plugs where the cables connect. If that does not solve the problem, the trouble is likely in the actual tuner control assembly and those can be a PITA to service.