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A tip on TVs: If it does not have significant video issues that point to an alignment issue LEAVE THE ALIGNMENT ALONE. It takes a lot of practice to get good enough at alignments to do a halfway decent job.
You need the factory(or Sam's) alignment instructions for your model of set to have a chance at success as well as, a good scope, a source of sweep and marker generation, probes, and likely a frequency counter(if you have a variable frequency marker generator or equip that has not recently been calibrated this is important to have).
Some sweep generators only sweep and thus require external marker generation. There are a few types of internal marker generation on other gens. There are ones that have continuous marker gens(which sometimes work for AM radios by them selves), some use crystals, and others use both cont. + crystals. The latter is best as you can have multiple markers and a variable one in case you need a marker that you don't have a crystal for.
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