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Old 04-12-2022, 12:13 PM   #5
mferna14
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Join Date: Jun 2018
City & State: Brampton
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Posts: 491
Default Re: Hp 15-dy1731ms not turning on

Quote:
Originally Posted by mcplslg123 View Post
ACOK pin uses pull up from 3.3V rail and that rail is usually LDO. Check the resistor connected to pin5 of charging IC. Do you get 3.3V on the other end of resistor?? If so, that indicates presence of 3.3V LDO. Problem seems to be that of ACDET. What is the voltage on AD_ID pin of dcjack??

Thanks "mcplslg123" you are always there for help. Pls. check this photo. Similar circuit used on my motherboard. ACOK Pin 5, only get 0.03V & ADETPin 6 2.0V... AD_ID DC-in jack cable, no voltage at all. Hope this photo will help to give me some tips.
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Last edited by mferna14; 04-12-2022 at 12:15 PM..
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