Hi, my name isXXXXX am hoping that I will be able to help you with your problem today..
I cannot see how it is hard to remove the clock/computer. it should unsnap from the harness wires. as for repairing it, I would go to this website by clicking on the blue link below, They rebuild them for a fraction of the original cost.
Our company uses them all the time for rebuilding timers and clocks.
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