Which components are responsible for the power regulation circuit?

L

Lo-Dipop

Hello!

I've got a problem with my washer dryer. Indesit WIDL 126. Sometimes, it doesn't turn as it should (it stops earlier) and then a relay clicks lots of times. This even happens durin spin cycle. On high spin you can hear that the motor suddendly doesn't get power (even the pump) and just a second later it has got the power again (it ramps up a little bit). Another problem is that the pump stops several times during draining. I think these problems occur because of one fault.

A friend told me that there might be a fault by the power regulation on the pcb but he couldn't figure out which components are responsible for that.

That's my question:
Does anyone know which components are responsible for the power regulation on the pcb?
Does anyone think that there is another fault?

Thanks!
 

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Check the mounting of the heat sink ( black arrows ) and the solder joint of the regulator ( red arrow ). They may have been affected by vibration.

wash.jpg
 
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