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ACER E5-411 No Power [done]

SHORTEDBOARD

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Pag check ko shorted sa battery terminal at sa charging. Hanap agad ako ng schematic at trace ang charging path. Inalis ko charging IC PU2. Nawala ang shortage. Pinalitan ko ang charging ic, pero bumalik ang shortage nya. Means merong sirang pyesa pa. Kinapa kapa ko, at umiinit ang PU5 na IC. Eto yung tinatawag nilang 3.3VALW. Tinanggal ko. Nawala shortage. Pinalitan ko, ayun wala na shortage.

Assemble, at swerte nag power na.


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