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Q & As - mend, repair, fix kitchen appliances, food processors, food mixers, mix, blend, cut, chop, grate, blade, kenwood mixer, kenwoodNavigate to ...
Kitchen Appliances, Food Processors (689 other questions)
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Mend > Food Processors

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Philips hR7775/00 not powered on?

I bought discontinued model of Philips HR7775/00. At its second use theres some sparking/cracking sound came from power plug and machine not powered on. I want to repair it myself bacause Philips and local service man refuse to repair this unit. I know theres some issue with its pcb. So please help me to repair its main controller pcb.



Ashish
April 2017


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Sir I have that kind of knowledge to testing the component, solder/desolder etc. Just read my second post where I clearly said that I already replaced few components of the Philis HR7775/00 PCB. So how can you say that there was no scope of PCB inside food processor? If you can help to repair the pcb then it will great.

Ashish Solanki
April 2017

I already did work on PCB like changing its Diode (IN4007), IC (Viper12A), Varistor (Zenor Diode), 2.2uh Inductor, Controller IC (Samsung Microcontroller with 10+10 pins) but still unit is in dead condition. I confirmed with local repairer that motor is ok, issue is the PCB only.

Ashish
April 2017

If there's an issue with the power plug then just cut it off and fit a new plug to the cable.

I doubt very much that there's a pcb inside the machine - just a motor and a control switch - either permanently on or pulse.

These things usually have a safety interlock so that they don't run unless the bowl and lid are fitted correctly - the bowl and lid together will press down on a button micro switch - sometimes the plunger mechanism that activates the switch gets broken. You can test for this by pressing down on the switch with no bowl fitted.

I doubt your ability to fix a pcb - you only assume that there's a pcb - and you have not dismantled the mixer to look for one.

Good Luck...
April 2017

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