Laptop acer es1-571 no charging

[infoplus]

Hello
Ihave laptop Acer ES1-571 Not charging any more
Please help me
Charging Circuit HPA02224RGRR-1-GP
thes is all voltage from charging circuit

ACP & ACN & VCC
19.22V
ACDET
2.6V
CMPOUT & CMPIN
0.20V
SCL & SDA
3.4V
ILIM
3.36V
BM#
3.38V
ACOK#
0V
IOUT
0.033V
SRN & SRP
2.71V
LODRV
0V
PHASE
2.71V
HIDRV
2.71V
REG
6.05V
BTST
5.93V

[mcplslg123]

Re: Laptop acer es1-571 no charging

Lodrv and Hidrv reading doesnt seems good. Check Low and High side fets

[infoplus]

Re: Laptop acer es1-571 no charging

Lodrv and Hidrv reading doesnt seems good. Check Low and High side fets

Thank you sir for you answer...
What you mean sur i dont understand

[mcplslg123]

Re: Laptop acer es1-571 no charging

PU4404 is High Side and PU4405 is low side fet. I asked you to check them. Specially notice the voltage on pin4(Gate) of both the fets. I hope you understand now.

[sellit]

Re: Laptop acer es1-571 no charging

Got the same problem, same model Acer Aspire ES1-571 DOMINO_BH MB 15300-1
Replaced from donor MB PU4403, PU4402, PU4404, PU4405, PQ4406, PQ4401 no changes. Laptop works fine from charger and from battery, but not charging. Blinking orange light. Original battery not working - locked, tested with two new (known good) batteries, Not charging. Please any advice.

My measurements:
Charger BQ24737 PU4403
Charger+Battery| Battery | Charger only
1 ACN 19.5 | 14.94 | 19.50
2 ACP 19.5 | 14.94 | 19.50
3 CMPOUT 0.01 | 0.22 | 0.00
4 CMPIN 0.06 | 0.00 | 0.06
5 ACOK# 0.00 | 3.33 | 0.00
6 ACDET 2.65 | 0.03 | 2.65
7 IOUT 0.10 | 0.00 | 0.10
8 SDA 3.35 | 3.35 | 3.36
9 SCL 3.35 | 3.35 | 3.36
10 ILIM 3.33 | 3.33 | 3.33
11 BM# 3.36 | 3.36 | 3.35
12 SRN 15.13 | 14.90 | 3.44
13 SRP 15.13 | 14.90 | 3.45
14 GND 0.00 | 0.00 | 0.00
15 LODRV 0.00 | 0.00 | 0.00
16 REG 6.07 | 0.23 | 6.07
17 BTST 14.84 | 14.60 | 5.96
18 HIDRV 15.12 | 14.89 | 3.44
19 PHASE 15.12 | 14.89 | 3.46
20 VCC 19.49 | 0.26 | 19.49

Battery conector BTY1
Charger+Battery |Battery | Charger only
1 BT+ 15.12 | 14.90 | 3.44
2 BT+ 15.12 | 14.90 | 3.44
3 BAT_G 0.00 Goes to GND(battery present pin)
4 BAT_IN#_1 0.3 | 0.30 | 3.33
5 BATA_SCL_1 3.35|3.35 | 3.36
6 BATA_SDA_1 3.35|3.35 | 3.36
7 GND 0.00
8 GND 0.00

[sellit]

Re: Laptop acer es1-571 no charging

Got the same problem, same model Acer Aspire ES1-571 DOMINO_BH MB 15300-1

Anyone can help, what to check next?