Restoring a Sega Master system 2

I got the Sega master system 2 in a job lot as untested so in this video I'm going to test it to see if it works and restore it back to it's former glory

Part's
new lid

Tool's
screw driver set PC, Phone
Isopropanol alcohol IAP 99.9%
tooth brush
nail brush
depressed air
sand paper

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#restoring
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