If you can get CBS Sports Network, the PBA summer tour seems to be scheduled to be shown on Tuesdays at 7 PM (Eastern Time).

Just copied the below for the PBA web site:

PBA WOLF OPEN   Tuesday, June 03, 2014   7:00 PM ET   
PBA BEAR OPEN   Tuesday, June 10, 2014   7:00 PM ET
PBA BADGER OPEN   Tuesday, June 17, 2014   7:00 PM ET   
PBA OKLAHOMA OPEN   Tuesday, June 24, 2014   12:00 PM ET
PBA KING OF THE SWING   Tuesday, July 01, 2014   7:00 PM ET