Sencore TC-142 Service Manual - Tube Tester Sept 9, 2013 0:42:20 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by jhelms on Sept 9, 2013 0:42:20 GMT A member saw that I had one of these and it seems that they are not all that common. So scanned my original in and thought I would offer it to the world Sencore TC-142 Service Manual