Question about Hitachi RM 2500 Electric Shaver
It would be logical to assume that the charging circuitry is damaged. If you are considering a DIY (do-it-yourself), then pls determine the limiting resistor that reduces the 220 to 110. Thereafter check the diode, capacitor and regulator. The final output voltage of the charging circuitry is slightly higher than the voltage rating of the battery. It might also be worth your while to check if the battery will still charge (using an external charger or a multiple voltage adapter). Soon as the battery is charge, pls check if the motor will still run. Failure of either the battery to charge or the motor to run would make repairing the charging circuitry pointless and you might be better off purchasing a replacement unit.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards. Thank you for using FixYa.
Posted on Aug 11, 2008
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