Hi Paula,
What you are suggesting is an excellent idea. Here we do repair computer equipment to a certain level but it does help if you have the unit to hand - see my trying to help Jackr with his back-light problem.
Another thing that would help would be high resolution, sharp focus evenly lit pictures of both sides of all the boards in an edge. Those pictures would help until I can get my hands on a dead unit to do some measuring.
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