Is it a modular unit? Is there any redundancy?
If so, can you find a common platform/ similar unit second hand/cheap so you can switch modules in and see which ones are good and bad? And then you'll have some spares when you've finished.
Is it a modular unit? Is there any redundancy?
If so, can you find a common platform/ similar unit second hand/cheap so you can switch modules in and see which ones are good and bad? And then you'll have some spares when you've finished.