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There are several electrolytics that will cause that. I usually use a VTVM on the 500v scale to read for AC at any of the caps. I don't remember what the limit should be, but it's a few volts of AC. Only a VTVM or scope can see it though; not a multimeter of any kind. The needle will zoom up and back right down, and if you find one that shows more AC than the rest, that one is likely shot.
And of course new doesn't mean good! I see more leaky "new" electrolytics than I'd have guessed. Especially those made in the 1990s and shelved.
Charles
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Collecting & restoring TVs in Los Angeles since age 10
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