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Search took 0.00 seconds. Search: Posts Made By: samstown
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-22-2022, 04:54 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Hello,

my apologize. I got sick and forgot to reply. I'll double check this week.

Thanks
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-04-2022, 05:04 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

This is UQ2... I see the little crack, so that's what I tought it's the source of problem now. What do you think ? I've put the pin in red, that's correct ?

I have 0V on Pin 1 and 2 and 0.25 on 8...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-03-2022, 07:36 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you, I'll check.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-03-2022, 05:53 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Looks like UQ2 explode...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-03-2022, 04:33 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Bad luck.. this morning PC doesn't start anymore, no sign of life. I'll have to reopen it.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-02-2022, 07:38 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

You guys rock ! So cool !

Thank you !!! I'll finish rebuilding and post tomorrow.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-02-2022, 07:26 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you. It's looking much better. The charging Led is orange now. When I try to turn it on the other LED goes blue.. then off. I see nothing on the screen yet.

I'll check all cabling.. it's...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-02-2022, 06:21 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you !

It was the medium cap (I am seeing 3 only, two small, one medium). I can put coil back ? And I need to replace the shorted cap ? There's no indication of value, can I try to take a...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-02-2022, 04:04 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

After removing PL301, one Pad is no longer shorted. The other one still. That's the one going to PUB301 PIN 2,3,4,5. Looks like this is not normal.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-02-2022, 02:21 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you Adenitz. PL301 to GND = 0 ohm on both side. It beeps on both side. So need to replace this coil then. Thank you !
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-01-2022, 05:17 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

PDB1 has 0 on Pin 2 or 3 (not sure wich one is 2 or 3) and 19 on 1 and on the other one.

So, one of the two +19Vin or +19VB is missing
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-01-2022, 04:45 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thanks. 0V on each pads of PL301.
So where is this 19V suppose to come from. I see PL301 on diagram... but it's connected to 19V.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 02-01-2022, 04:04 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Is there anything else i should check ?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-29-2022, 06:30 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you ! Happy you are here.. this is complex.

a) PU301 PIN 2,3,4,5 = 0 V .... 19V expected
b) ENLDO_3V PIN 11 = 0 V
c) 16 & 17 = 0V
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-28-2022, 09:39 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you.

SDA and SCL are going to pull-up then to the battery connector.

With power supply only = 0V all way
With PS and Battery = 0V all way.

So that PUB1 is the problem ?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-27-2022, 12:53 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Hello, ACDET = 2.64V, is this a good thing ?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-26-2022, 03:36 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Hello,

Sorry, my mistake was too late... Pin 5 = 0.

ACDET pin 6 = 2.64
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-25-2022, 03:23 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you for your help and patience.

Pin not listed = 0

5 = 2.64
9 = 0.30
16 = 0.4
17 = 0.24
19 = 0.24
20 = 0.24
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-25-2022, 02:42 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

as I get no Volt on PQB3 and PQB4 source, it must be the two caps... but they are not shorted and just to add, nothing get hot
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-25-2022, 02:11 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

PQB4 excelliance B12N03E looks ok, no short between source, drain and gate
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-25-2022, 01:49 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thanks.

PIN 1,2,3,4 = 0V
PIN 5,6,7,8 = 19.45
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-25-2022, 01:39 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Thank you mon2 for you reply, I really appreciate it. Looking at PCB copper, what you describe looks like what I get.

IC = B04N03JL00902 (or somthing near...)...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-25-2022, 01:17 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

ok, I don't get anything after Mosfet PQB3. Power rail is not shorted. So I'll remove this PQB3
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-21-2022, 05:00 AM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

Am I missing something. It doesn't work. Before I create more problem.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-20-2022, 01:46 PM
Replies: 46
Views: 1,764
Posted By samstown
Re: Acer - N19C2 - MB EH7LW - Sudden death

so I removed PRB3, that's a resistor ? Can I just short it to test?
Showing results 1 to 25 of 28
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