From chicagoblackhawks.com: (link)
The Chicago Blackhawks will launch their Western Conference Final series when they face off against the San Jose Sharks beginning at HP Pavilion on Sunday, May 16 at 2:00 P.M. (CT). The complete Western Conference Final schedule will be announced by the National Hockey League on Friday.
Game 1 will be televised locally by NBC and heard on WIND 560-AM (also joined in progress by Chicago’s WGN Radio). Per the National Hockey League’s rightsholders agreement, all games in this series will carried in the United States exclusively by either VERSUS or NBC.