dell 15 3521 4 Bips

[karim011]

Hi guys. pls. dell 15 3521 4 Bips
id mainboard : vaw00 la-9104p rev 1.0 a00
i check all points PJP on mainboard all present. but Except point +vccp on GND

So i check Ram voltage on slot DIMM

- Pin N° 1 Ram vtt_ref_G voltage 0.72 v
- Pin N° 76 Ram core voltage 1.5 v
- Pin N° 199 Ram spdvdd voltage 3.3 v
- Pin N° 203 Ram vtt2 voltage 0.72 v
- Pin N° 204 Ram vtt1 voltage 0.72 v

i Changed Rams & Battery RTC no result

[mcplslg123]

Re: dell 15 3521 4 Bips

What about Pin30-Dramrst??

[karim011]

Re: dell 15 3521 4 Bips

thank u sir. i check

On QD1 G=3.3v D=0.75 S=0.75
QD2 G=3.3v D=0.75 S=0.75

[lapfix]

Re: dell 15 3521 4 Bips

karim just to be more sure , pin 30 of JDIMM1/2 as mcplslg ask to .
and voltage on all pins of QC2