Bonjour Jazzavri,
tho I can understand french, my writing skills will not suffice for technical aspects, hope we can switch over to english.
If R22 has suffered overcurrent, it was most likely caused somewhere around V2 or V1, pls remove the bad component and recheck these areas for shorts or solder bridges.
Some pics would also be helpful.
Remember you´re dealing with lethal voltages, so don´t proceed any further if you are unsure about working with high voltage and stay safe
regards,
Stefan