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Electronics and Circuit Design

Portable battery lamp does not turn on

Bryan may
hace 6 años
hace 6 años
Hello friends. I have a portable battery powered reflector. Which suddenly stopped working ... It has a 6v emergency light type battery. Which testing it throws me as a result 4,5v. When, after a while of connecting to the charger, I pressed the button that should light the lantern, the only answer I have is a buzzing in the relay ... what could be the problem? Thank you very much! http://i68.tinypic.com/xldxcg.jpg [/IMG" alt="" />
Norvy
Norvy
1.300
hace 6 años

Hello! Check diode and transistors from that source and let us know.

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JOSE MIGUEL SIRGO PASCUAL
hace 6 años

Contribute photographs. the image that went up did not enter because it was very heavy.

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Ennio Montenegro.
hace 6 años
hace 6 años
From what you mention, the battery does not retain charge. It cannot have less than 6V. The relay vibrates because the battery is so bad that it does not filter the pulsating current of the rectifier.
servimat1
servimat1
138.835
hace 6 años
hace 6 años
Hi. I think the relay vibrates because of low voltage. How much does the battery measure when you turn on the device? Regards
Bryan may
hace 6 años
hace 6 años
Thank you very much to all. The problem was in the battery. The voltage dropped a lot when the circuit was connected ...
servimat1
servimat1
138.835
hace 6 años

A pleasure that you solved the problem. Regards

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