Discussion for the Black And Decker CDC1440 Type 1 Cordless Drill
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Question: B&D 14.4 V Charger Schematic
b&D 14.4 volt charger. numbers are 5103069-07
or tce 144021U2
the cord restraint broke right at the edge of the box.
Shorted out the cable.. output 2.2 volts.. It should be 17.4v
It burned up one resistor and over heated another.
I have had outputs of 12+ and 15 + volts ..
now down to 5.+ volts. all while trouble shooting.
I suspect one of the transistors is bad as it has a buble on the surface.
Right in the part number.. I think it is STS 5550 as that is
a similar transistor to aonther in the circuit
A 2n5551. both are npn transistors.
A schematic would be a great help to trouble shoot this charger.
Its a bunch of BS about 'no user servicable parts inside"
This ain't rocket surgery.
Reply: B&D 14.4 V Charger Schematic
I've only known of a couple of manufactures that sell parts for their chargers. Most of the time you either end up getting a new charger or a new tool.
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