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JBL T450BT won't turn on or respond but then a white light appears

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Hello, I have the strangest problem with my JBL headphones. When I try to press the power button it does not react, only if I leave it for about 5 hours without moving it, when it is charging a white light it appears like 3-5 seconds and then disappears, now I opened my headphones from the inside and everything looks correct I have tried all your advice but they have not worked all the buttons are perfect condition
Question by Nacheto 1:39pm, 17th September 2020

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Pedro (Admin) responded : 3:05pm, 20th September 2020 (4 months ago)
You mention "without moving it". Why do you say that, because moving it results in a difference? Can you clarify?

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