Repairing a damaged charger

We at Artica are taking this manifesto very seriouslly:

Due to a stupid mistake (inverted power wires), this battery charger (the best that my fingers ever touched) smoked for a second or two:

Repairing a damaged charger

When we opened the case, there was this little SMD with a strange eruption result of an overburn, it was definetely what got burned, and it has written on it 7805 (photo out of focus unfortunately)

Repairing a damaged charger

This IC is very common in the electronics and robotics fields, it is a voltage regulator and in this case it regulates incoming voltage to 5 volts. We got a few 7805’s laying around and decided to take a try repairing this because we need badly to charge Farrusco’s batteries.

Repairing a damaged charger

This is the result.

Repairing a damaged charger

Not bad IMO! :)

Repairing a damaged charger

A hole was opened to completely close the case, and it is now ready to roll, I mean charge again.

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