Ensonic KT-88 disassembly

Hi! I’m looking for disassembly instructions for a Ensoniq KT-88. I need to replace the battery. Would prefer not to remove screws at random… Service manual is apparently out of the question…Appreciate any experienced suggestions.
Thank you!

You will need to remove the bottom panel, and that will be a total of 24 screws. 7 of these screws, the ones along the front edge, are a different type, so keep those separate and make sure they go back on the front edge. Once these are all removed, the panel will lift off, and you will have access to the main board.

Thank you very much! Middle screw was cross threaded and had to be drilled out. Otherwise, no problems.
I appreciate your help!