What he said. But! They can be jumpered. If a bit of the protective flex is scraped off a jumper can be soldered to the exposed lands.
There ain't much there. go lightly.
Yep. I've seen photos of a Pentax connector of this type with a jumper wire soldered in place. It went over the front of the pentaprism and it is common for the metal 'ribbon' to fail at the slight bend.