Electronics > Repair
LIDL bug zapper not working
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soldar:
I took the starter bulb out of the circuit and started the tube manually. The tube starts but is unstable and I can her faint sparking somewhere. I am now assuming it is the capacitors, one or both, and I should take them out of circuit and test them at mains voltage.

I probably do not have replacements in my junk bin so I cannot just replace them.
DavidAlfa:
I've never had any problem getting my money back on LIDL.
I don't like it / Doesn'¡t work / Whatever.
They only ask you if the product is defective to properly handle it.

First step: Have you checked the solder joints?
soldar:
The manager at the LIDL store said she could not process a return paid with cash without the receipt because she needed the bar code. As I said, I always keep the receipts but that one might have fallen out of my pocket or something. She would have exchanged the item without a receipt but they were sold out.

I did inspect all solder points visually and they all looked very good with no defective ones. Still, as they are so few, I did go over most of them.

I have tested the suspect capacitors and they are good. I think it is time to give up.

I might still reverse engineer the complete schematic just for the fun of it.
soldar:
I did a quick reverse [whatever] of the schematic. There could be mistakes.  What is clear is that there are two completely separate parts. The light circuit and the zapper circuit. Totally separate.

The light does not work. And I think the zapper does not work either. I tried with a tip of a damp tissue and expected it to zap but nothing happened. I suppose I could get more technical measurements.

I don't want to say its crap ... but it's crap.

The light seems to me could be made to work easily by using a magnetic ballast.

The high voltage zapper circuit ... I guess I could find some other circuit that would work better but probably not worth it.

What a waste of time!




soldar:
Big Clive reverse engineered one. It seems my unit does the charge pump thing only on one side and the other is just a capacitor and diode.
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