SELECTIVELY POWERED AUXILIARY POWER UNIT IN AN ELECTRICAL HOUSEHOLD APPLIANCE

摘要

The present invention relates to an electrical household appliance having a secondary component powered by a primary component power unit on a selective basis, said secondary component's power unit being temporarily powered to achieve a lowered power consumption standby state. The present invention more particularly relates to an electrical household appliance comprising a primary circuit board and a secondary circuit board communicating through an optical isolation block (1), the optical isolation block (1) having a primary side in electrical communication with the primary circuit board and a secondary side in electrical communication with the secondary circuit board.