Restoring an Ibanez SDGR 5 String to its former glory... and I don’t really know what I’m doing

So I bought a 5 string that someone was selling for parts. It’s missing pots, a preamp, a battery case cover, a backing plate, and a jack output. It has some minor damage, mostly cosmetic and what is damaged can be fixed. Just looking for advice on where to find good pots, a preamp, and a jack output. Or any other advice one might have
 

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Just remember that the pot-holes are not for SAE-sized pots (3/8"), they're Metric-sized.
So, you'll either need to buy Metric pots or ream out the holes for 3/8" bushing pots.

Can you take new photos showing the controls layout?
The model number should be on the back of the headstock.
 
The battery case can be bought from Ebay or Amazon for very little. The control cavity cover is probably best made with a sheet of pickguard material. Make a paper or card template first and use that to cut out the cover from the sheet. A single ply sheet of black would be best and fairly inexpensive.
 
Just remember that the pot-holes are not for SAE-sized pots (3/8"), they're Metric-sized.
So, you'll either need to buy Metric pots or ream out the holes for 3/8" bushing pots.

Can you take new photos showing the controls layout?
The model number should be on the back of the headstock.
Couldn’t find the serial number but I got those photos uploaded