From what I found, these keyboard are the same:
PowerBook 190
PowerBook 5300
PowerBook 3400
PowerBook G3 (original)
If yo can locate one of those for parts, I would go that route. I bet any one of those can be picked up cheap on eBay.
PowerBook 190
PowerBook 5300
PowerBook 3400
PowerBook G3 (original)
If yo can locate one of those for parts, I would go that route. I bet any one of those can be picked up cheap on eBay.