sick phal - big white/yellow spot and black ones

[CodiMN]

Definately looks like some sunburn there on the last two pics. On the first three, have you tried cleaning off the leaf with a dampened papertowel or neem oil wipes? The white spots look just like water spots. Not really sure tho about the splitting on the leaves.
Maybe to be cautious, I would separate this orchid from any other orchids...quarentine time!
Maybe someone else will chime in!