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REFERENCE Acer aspire (2920z) power on but no display done...

jowell

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Acer aspire (2920z) mya power but no display

Action taken
Try clean or replace ram not done...
Kaya totally open ko unit
Nakita ko my netoken sya ayus...
Pero bago ko pinalitan
Check voltage muna ako kng ok supply sa ram na 3v sa may pin30 cuase of no display kc pag ala supply ang ram..ok naman
so remove netoken

then replace to 330uf caps apat dapat

Sa labas lahat ng positive line at sa paloob is nagative
Ung may mga guhit ang symbol ang positive..
Simple at basics trouble sa old unit but tested..
 
nice sir meron ako dito toshiba n200 may display pero dim lang, may supply naman ang 20 pins na connector, diko ma locate ang problem baka may idea ka sir.
 
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