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OK so I fixed the power switch, and volume control pot and I got the backlights going but I'm still not getting anything out of the tuner, in fact just to check to make sure the tuner wasn't malfunctioning I disconnected the IF input from the TV to the VHF Tuner and hooked the IF input to the composite (yellow RCA jack) on the back of my converter box and all I get is a snowy picture with a very faint hint of video activity on the screen. So it looks like the IF Section of the TV isn't working quite right, I'm not sure if its bad tubes or dirty tube sockets, or a badly out of alignment IF section (from someone twiddling the IF Cans when they shouldn't have.)
Does anyone have any ideas as to what could be causing a dead (or nearly dead) IF Section on the 23" Zenith TV?
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