Does that matter for me, who doesn't know from which side I should take a soldering iron? *grin* But considering everything else worked (it actually tried to r

Does that matter for me, who doesn't know from which side I should take a soldering iron? *grin* But considering everything else worked (it actually tried to read, just couldn't) it's something in optics or it's electronic parts, so it doesn't really change anything for me - it's unrepairable by myself and, without a spare/donor, by anyone else.