[old_tv_nut]

This has an electronic tuner rather than mechanical, right? (So no fine tuning, just enter the channel number).

Can you check the schematic or post portions for the following:

IF: is it a surface wave filter (no or very few adjustable coils)?

Delay Line: should be a tubular coil a few inches long and a half inch or so in diameter, with the schematic symbol shown.