Lithium Polymer Battery Fault In Blue Tooth Speaker

A guy who works in s super market next to my shop brought me this blue tooth speakers for repair. They were completely dead and when I tried to charge them, they did not charge.

There was no charging light and it was time to take it apart and check it out.

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Unknown Device Was Brought Back To Life

This device was brought for repair. It was completely dead but to be honest with you, I did not know what it was. I asked the customer and he said it is a vibrator that can be put in the small swimming pools to make waves. Through these waves, it can create strong vibrations that will stimulate the muscles in the body.

unknown device repair

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An Unknown Device That Was Dead Was Brought Back To Life

A computer technician brought this device for repair. To be honest with you, I did not know what the device was. The technician explained that it might be a cell phone signal jammer. It was a device that was completely dead and needed repair.

cell phone signal jammer

It has neither model number nor any information to check online to find out what the device is so we called it a signal jammer device. Read More

A Wireless Microphone Dismantled and Fixed. Model PDWM-2600

microphone repair

An elder in my church approached me with a microphone that needed repair. It has two parts, a microphone and a base receiver. The main issue was no sound so let us see what is wrong with this one.

wireless microphone repair

The first thing to do was to confirm which part is faulty; is it the microphone or the base? When I powered both devices, I could see right away that the microphone is being recognized by the base. When I spoke into the microphone, I did not see any level registering on the main UV meter on the base.

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Mosquito Racket Repaired

Fault Symptom: Battery gets discharge quickly and output spark is also low.

Mosquito Racket Repaired

So on physical inspection everything seems ok & no burn marks or any physical damage. So first I took battery charging section for checking battery draining fault.




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