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Help me fix Remote controlled socket.

Okay so the word is about Remote controlled socket from Emos company.

The thing died when safety fuse in my house poped out, when I turned the fuse back on this remote controlled socket didn’t work. So it won’t turn on by remote controll and when i plug it in wall outlet and plug something in it let’s say a lamp, it wont turn on.

I am noob when it comes to fixing electronics but currently I am trying to test components to see what could of died so i can maybe replace it also I always wanted to have some basic knowledge in repairing electronics becouse it is so usefull.

I have few questions:

What is this thing with Z1 mark on it, is it Zener diode? If it is why is it diffrent than normal one? When i test it with multimeter it gives me 1700 in one direction and other direction 700, is that okay?

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I guess this is Ressistor with letter R value of 564 ohms but why is the one next to him missing his value and is white (or the sticker just went off) also i tested both with multimeter and both are not showing any value I guess they are dead, interestingly they are connected in series to this yellow thingy on other side, I guess it is capacitor becouse there is small C1 next to it, you can see the shape of it in pictures down. I guess then the capacitor is dead also.

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Is this capacitor? Becouse it’s so small, anways i see the solder on it looks bloated or maybe that capacitor is dead? If it is capacitor where can i find these little capacitors to buy or how do i find out it’s value (desolder it and then measure its capacitance)? Problem is I can’t test capacitors becouse I dont have the capacitance tester.

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What is this? First time I see it, also tested it with multimeter both directions not giving me anything.

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Here are some more pictures:

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If we fix this than amazing, It looks simple becouse it is only a Remote controlled socket but PCB looks so complicated to me with so many small parts and even big ones I dont know the name…

But in order to test the components I need those questions I asked answered.

Anyways any help is appriciated, thanks.

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I guess this is Ressistor with letter R value of 564 ohms but why is the one next to him missing his value and is white (or the sticker just went off) also i tested both with multimeter and both are not showing any value I guess they are dead, interestingly they are connected in series to this yellow thingy on other side, I guess it is capacitor becouse there is small C1 next to it, you can see the shape of it in pictures down. I guess then the capacitor is dead also.

The “white part is a resistor as well. At this time it is safe to assume that it is a 560 Kohm just like the one next to it. Remember that the SMD label is not 564ohm it is 56 x4 decimal places ohm which is 5600 ohm

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Is this capacitor? Becouse it’s so small, anways i see the solder on it looks bloated or maybe that capacitor is dead? If it is capacitor where can i find these little capacitors to buy or how do i find out it’s value (desolder it and then measure its capacitance)? Problem is I can’t test capacitors becouse I dont have the capacitance tester.

Yes it is a capacitor. Reference designator identifies it as C9 where the C stands for Capacitor. Looks like a bad soldering job by just having a blob on there. Consider to resolder it.

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What is this? First time I see it, also tested it with multimeter both directions not giving me anything.

Looks like a fuse since it looks like it comes of the power line.

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If you want to start working on circuit boards etc. I recommend that you invest in a good meter as well as a Capacitance meter or even better would be an ESR meter to check capacitors while they are in circuit. There are also plenty of good resource online regarding learning to read schematics etc. Start with some like this

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Hi @bakenhuman ,

Did you test that the fuse is OK? You didn’t say.

To find out about Zener diodes, just Google “what is the difference between a zener and a normal diode and why is it used?”

Did you test the zener diode "out of circuit"?

If not there might be a bypass or parallel circuit around the zener on the circuit board that you are reading, therefore you are getting the readings that you are and not really reading the zener diode. The only conclusive way to test a diode is to make sure that there is no parallel path around it or to remove one leg from the board and then test it.

Hasn't your DMM got a capacitance testing feature then, at least up to say 10uF?

You could try looking here for replacement capacitors but you would have to know its’ value etc.

Don’t know what the unknown component is as there is no markings on the board to at least identify its type.

The best is to try and find a schematic of the board if possible. Try searching online using the board number, if looking for the (insert model number of device) schematic gives no results.

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I didn't try to test zener diode out of circuit but I will do it. Fuse is fine i checked and it works. Will try to find schematic for it, thanks for info. Unfortunatley my multimeter doesn't seem to have any capacitance mode to measure it maybe becouse it was cheap.

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