I have this issue...my toothbrush io 9 display has stoped working but everything else working fine....i open it an and found water inside...this could burn the display? can it be fixed?
Bu iyi bir soru mu?
In my case, the battery leaked and damaged the circuit board. I had to repair one of the traces because it was corroded, and the display is working again. I also protected the board with electronics varnish. I replaced the battery and glued the damaged seal around the toothbrush neck.
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