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  1. K

    Help me repair the Makita DC40RB charger

    Thank you, but I have already replaced the HR1002 IC with the correct part, yet the situation has not improved. This charger uses an R5F100MGA (MCU) 80pin. Is there any way to accurately diagnose the issue or check for errors via this MCU?
  2. K

    Help me repair the Makita DC40RB charger

    Hello. I am currently trying to repair my Makita DC40RB charger, which is a dual-port simultaneous fast charger. When I insert the battery, the green light flashes and the fan starts running, but after about 10 seconds, it switches to a red error light. The battery is still in good condition. I...
  3. K

    Help identify an smd component (IC sot26)

    I am trying to repair my makita dc40ra charger. I checked and found sot26 smd ic with code like the image below. I tried to search for ic name and datasheet but failed. Hope everyone can help me identify this smd name. Thanks. Name Makita charger: DC40RA
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