Knowledge Base Article
See the attached Hirose20PinDescription.jpg file for the pin description of this connector.
The schematic of CY3250 flex cable can be viewed at this link:- http://www.cypress.com/?docID=2975
These connections can also be verified by checking the continuity between pin nos. 4,5,8,9,12,13,16,17 as all of them are grounded.