BIG SOUND KTS-1296 speaker does not turn on or charge, ci LTH7 (LP4054) see the reason! ????

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Meiquiditudoteck

Published on Mar 10, 2022
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The speaker arrived without turning on anything, only the charging LED lit up but it didn't charge. The battery was found to be completely discharged. I charged the battery using a bench power supply and the speaker turned on but didn't charge. After several tests, I discovered that the LP4054 IC code LTH7 wasn't reaching 4.2v for the battery. I put an LPSba4om IC in its place and it worked great... it charged and turned on perfectly. I hope the video helps. Thanks.

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