Trying to repair my Ryobi BCL14181H battery charger

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Ryobi P202

El Ryobi P202 forma parte de la serie Ryobi One+. Este modelo es un taladro inalámbrico de 1/2 pulgada de 18 voltios y es de color verde brillante y gris. Tiene un indicador de nivel incorporado y un interruptor de relación de dos engranajes en la parte superior del taladro, junto con un interruptor de dirección, una bandeja magnética y un clip para broca.

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Conrad Gauthier @cajun520

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Publicado: 9 de jun. de 2022

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Trying to repair my Ryobi BCL14181H battery charger

I have a BCL14181H battery charger (Ryobi) that does not charge. No blown parts. I am having trouble identifying components. Does anyone know the component number for U5? It is a 20 pin SMD chip. Also there are some components that look like an SMD resistor but appear to be jumpers. they are labeled RJ1, etc. Component U4 has what looks like T8L05 stamped on it. Anyone have an idea what it is?

I tried it with a battery that is at 16.5 volts and it doesn't work. I can put the battery in a known good charger and it charges up.

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I am trying to identify two components on the board. the first one is labeled U4 and actually looks like a transister in a TO type package. the other one is labeled U5 and is a 20 pin package. Does anyone have any idea what the identifying numbers are for these?

12 de jun. de 2022 - de Conrad Gauthier

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I am trying to identify two components on the board. the first one is labeled U4 and actually looks like a transister in a TO type package. the other one is labeled U5 and is a 20 pin package. Does anyone have any idea what the identifying numbers are for these? — Conrad Gauthier