6

A loud click at beginning/end of the sound, but faint sound inbetween might be caused by a failed DC blocking capacitor. According to the gameboy schematics found at http://www.devrs.com/gb/files/gameboy1.gif, there is a 100µF capacitor in series with the speaker. If this is indeed the case, sound should be working fine at the headphone jack, because it uses ...


3

The keyboard pictured is an AT&T KBD301, which uses Olivetti dome with slider key switches. This keyboard was recently covered in a YouTube video by Chyrosran22. These are going to be difficult to source as its not a common switch and key caps from other switch types aren't compatible. Other confirmed sources for compatible key caps are as follows: ...


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