catch:22 here.
leave the quad chip in the socket.
If you can carefully remove the screen from the green board it's on; the whole board-pair will probably go telco.
if not you're looking at peripheral (minus screen).
That said:
Boardsort doesn't take the screen but there are special buyers on the internet buy them. Those old sealed glass screens have platinum, rhodium, and silver; among other precious and rare earth metals.
If you leave the screen on the green board, snip the plastic stand posts...:
Attached to the original board, they sell dead for about $10-25 each, (Much) more if they're working. The base will still go peripheral.
Take a look here for working and parts results for this unit's siblings.
screen noritake itron