Question about Drills
The charger for my Black & decker 18v drill is not working. One of the components a small cylindrical one soldered to the board has overheated.
Does this sound like a possible repair possibility?
Usually transistors have three legs, diodes have two arms all very confusing isn't it? resistors have two arms as well but not three legs or only two legs and no arms its all about arms and legs isn't it do not attempt this repair if you live at home
Posted on Aug 27, 2009
Unfortunately the circuit boards come as a one piece unit and dewalt do not sell parts for it. If the component has three legs it is a diode, and you may be able to get one from an electrical wholesale shop. You can try and remove the faulty component from the board and take it somewhere and get it matched up. The components can be hard to resolder back onto the board as it is mainly pcb and has a protective layer that isn't conductive. You have nothing to lose in trying a diy repair as if it doesn't work you will need to replace the charger, and if you don't fancy your chances you will have to buy a new charger. Most modern chargers consist of two parts only, the housing and the circuit board. To replace the whole circuit board is a write off I'm afraid.
Posted on Oct 26, 2008
If you're handy with a soldering iron and have room to take the part out and are able to identify it from its shape and numbers, it's usually no big deal to replace. However you still won't know what caused the problem.
Unless it's a fancy high capacity charger, it's usually cheaper to replace the whole thing than to repair it.
But since you already identified the probable culprit it may be worth a shot fixing it.
Posted on Oct 20, 2011
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Posted on Jan 02, 2017
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