But, a Really Nice Warning!!

CBS didn’t unleash the big legal guns after ‘Survivor‘ star Jonny Fairplay allegedly jacked its show’s logo … but the network does wanna have a chat with the former show villain.

TMZ’s obtained a legal letter CBS fired off to Jonny warning him about using the “Survivor” logo for his podcast, formerly known as “Survival of the Fairest” … which has since been renamed ‘Survivor NSFW.’

CBS says it owns the logo, but what’s interesting is the friendly language with which it approaches Jonny about using its logo.

Most warning shots are more threatening … some…