I have this Philips One Blade trimmer (disassembly video) and I have probably by mistake tried to charge it with charger from the older Phillips shaver which had almost identical connector but 15V instead of 4.3V used by this one - the result is it can't charge. I opened it and there is one burned component on the PCB, but I can't identify what is it (I am not much of electronics expert).
I would be glad for help with identifying that component or a replacement alternative to repair the trimmer.
Solution summary: The part was diod in SOD323 package. I replaced it with 1N4148WS-SOD323 and it seems to work. Thanks for all help.