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Narcissus ES-3C2A-automatic washing machine boot, washing machine does not work, press the control key for each fault repair methods are ineffective

Time£º2014-04-29 21:56:28  Source£ºNetwork  Author£ºUnknown  Clicks£º1414
  

Check the fuse, power switch are normal, measuring microprocessor IC1 power supply terminal 41 feet to 20 feet voltage is 0V, under normal circumstances, should be-10V, the fault is due to the non-working power IC1 caused. The voltage regulator circuit of the washing machine-10V power supply circuit, the output of the transformer T secondary alternating voltage D1, D2 full-wave rectifier, C4 filtered DC line voltage-20V,-20V DC voltage VT1 and the peripheral components via the obtained after-10V DC voltage supply to the