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NEC mobile charger circuit diagram

2015-03-21 20:43  
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NEC mobile charger circuit diagram
NEC mobile phone charger circuit is shown as below When C1 selected 2.2? F/250V AC step-down capacitor, the output current is about 130mA. Mobile phone battery charging time can be easily selected according to the capacity, so the battery will not be damaged. Specific discharge functions can extend nickel-cadmium battery life with the memory effect. Charging power is indicated by the four high-brightness light-emitting diode level indication, which is very intuitive. In the charging circuit, the AC depressurization capacitor and discharge control tube C8550 are delicate components. When we need to maintain these two components, we can use comprehensive similar component to replace them.