I purchased an MTP AV USB on eBay (my 4th - I have a vintage synth "habit") and while it's in gorgeous shape, I could barely change the battery, thanks to a prior owner driving the crap out of the lid's screws. Most were either jammed or stripped and couldn't be extracted without special tools. I managed to get 'em all out but now they need to be replaced - they're useless.
There are two types of screws. The two larger screws that attach the lid at the sides are okay. I need to replace the four smaller screws that attach the lid at the front and rear of the unit. Here's what I know so far:
- Length (including head) is 1/4" but longer is okay - there's room
- Thread is Standard (not metric) "36" (determined by a NAPA auto parts shop)
- Shaft width appears to be 3/32"
- Head width appears to be 7/32"
- Head is flat head Philips type
- Color is black
Any ideas?