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Some of those philcos used selenium rectifiers which will also need to be replaced for safety sake (they are sometimes still good, but when they fail they release stinky toxic selenium gas).
I had a 52' model which sort of worked on the original caps(I regard that a s a small miracle). It did produce a raster with video but the deflection circuits were so far off frequency and non-linear that it was unwatchable. At a bare minimum you will have to replace all the caps in the deflection circuits to get it semi safe for regular use. You will need to test all tubes with a proper tube tester, and I highly recommend testing the CRT on yours with a CRT tester before you bother restoring it; mine was barely usable. If you don't like the cost of the caps consider that you can recoup it by selling those bumblebee caps that look like over sized resistors....Guitar nuts pay big bucks for those caps whether or not they are good.
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