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compaq 420 pulug in not charging

Posted: Fri Sep 23, 2016 2:54 pm
by javed
compaq 420 pulug in not charging
3v/3v/3v/ come on battery conn,

Re: compaq 420 pulug in not charging

Posted: Sat Sep 24, 2016 4:21 am
by aamkaachaar
Without power plugged in
tell me the voltage at battery connector all pins ...(with battery)

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Re: compaq 420 pulug in not charging

Posted: Sat Sep 24, 2016 5:20 am
by javed
sir battery positive supply and two 3v/3v. comes at battery connector ..

Re: compaq 420 pulug in not charging

Posted: Sat Sep 24, 2016 9:24 am
by Am0rPHiA
does the laptop turn on without battery? if ac goes in but battery does not charge then either the battery is faulty or charging ic is faulty usually a maxim , do you have board schematic or part number of the board?

Re: compaq 420 pulug in not charging

Posted: Sat Sep 24, 2016 12:41 pm
by aamkaachaar
Battery positive voltage is it above 9v or below 9v?

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Re: compaq 420 pulug in not charging

Posted: Sun Sep 25, 2016 5:23 am
by javed
battery positive pin have 7,2 v

Re: compaq 420 pulug in not charging

Posted: Mon Sep 26, 2016 1:59 am
by aamkaachaar
Your battery is in deep discharge condition ...kindly change ur battery and check .....minimum charge position must be around 9v

thanks
sunil

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Re: compaq 420 pulug in not charging

Posted: Tue Sep 27, 2016 5:40 am
by javed
ok sir thanks