Dell 5567 i3 7100u dead shorted please help identify chip

[barakuda666]

dell 5567 i3 7100u
mb LA-D802P ( no scematic)

Laptop dead , low resistance on main 19v rail line and on and around 3,3v coil
short circuit test done and chip AWV6NJ ( 20 PIN ) PU100 is heating up right next to 3,3v coil (pl100)
Im attaching pictures
Please anyone can help identify AWV6NJ chip?????
Thank you

[nashdumur]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

dell 5567 i3 7100u
mb LA-D802P ( no scematic)

Laptop dead , low resistance on main 19v rail line and on and around 3,3v coil
short circuit test done and chip AWV6NJ ( 20 PIN ) PU100 is heating up right next to 3,3v coil (pl100)
Im attaching pictures
Please anyone can help identify AWV6NJ chip?????
Thank you

Most probably theres a short in +3vs rail, much likely a short mosfet. what voltage you registered on pl100?

[mielta]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

Hi
Chip is SY8286BRAC

[barakuda666]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

Hi after pluging charger light going off and no volatge anywhere ..... bench power suplly indicate short after second main protective transistor pq718 , i worked on this mb before becouse it developed differnet foult on 3.3v line and im 99% sure that this peticular component is burned/shorted/dead i just need to identfy it a replace it
any help appraciated
thanks!

[barakuda666]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

Hi
Chip is SY8286BRAC

Thank you my Fried

[barakuda666]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

https://www.ebay.co.uk/itm/SILERGY-S...oAAOSwYm5a2J~9


will this chip work???

[barakuda666]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

are the AWV6xx interchangeable with AWV5XX???

[BlueMidnight]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

The last 3 characters are the year, week, and lot code. Only the first 3 characters matter.

AWR = SY8286ARAC
AWV = SY8286BRAC
AWW = SY8286CRAC

etc..

And the chip is a step-down/buck regulator with integrated FETs.

[barakuda666]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

[QUOTE=BlueMidnight;825754]The last 3 characters are the year, week, and lot code. Only the first 3 characters matter.

AWR = SY8286ARAC
AWV = SY8286BRAC
AWW = SY8286CRAC

etc..

And the chip is a step-down/buck regulator with integrated FETs.[/QU

Thank you !

[nashdumur]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

Only chip SY8286BRAC will work. SY8286CRAC is for 5v

[slimane25]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

hello everyone i'm looking for dell inspiron 15-5567 schematic
BAL20 LA-D801P rev : 1.0
please help my

[slimane25]

Re: Dell 5567 i3 7100u dead shorted please help identify chip

I have the same problem but i have short circuit in coli PL301 and PL100
when put the AC power i found 5V in coil PL101