How to fix Siemens washing machine motherboard failure?

If something goes wrong with the DC rectifier component that controls the voltage on the Siemens washing machine motherboard, it is most likely to cause the washing machine to not operate normally. A three-terminal voltage regulator is often used to stabilize the voltage. If the output filter is not OK, you can connect a filter capacitor in parallel. If the three-terminal voltage regulator is broken, it is better to replace it with a three-terminal voltage regulator with the same voltage output and higher output power.

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