Efter lite sökning på nätet hittade jag följande, låter det som ett vettig lösning?
antar att det är dags att inhandla en lödkolv.
"Most likely cause is at the coil lugs. One of the tiny
wires coming off the coil is broken or you have a bad solder joint. Can be
hard to find but that is where your problem will be. LTG
"
"> My upper right flipper has "the flutter". So from doing some research
> it appears that this might be caused by a TIP102 transistor on the
> fliptronics board. But which transitor? There is a row of seven of
> them, Q5 to Q12. Does each flipper correspond to one or two
> transistors?"