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Search took 0.00 seconds. Search: Posts Made By: trufla
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-29-2021, 06:14 AM
Replies: 2
Views: 84
Posted By trufla
Talking Re: Current leakage MS-16J91

Hmmm ok, thank you piernov ! Will earth the ac and chcek on the leakage !
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-28-2021, 07:59 AM
Replies: 2
Views: 84
Posted By trufla
Lightbulb Current leakage MS-16J91

Hello !

Got a dead laptop not turning on due to shorted main power delivery rail mosfets. The mosfets have been replaced and the laptop turns on and posts now but here comes the train... Now there...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-08-2021, 03:42 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

Aha another lesson learned. Acknowledged will desolder both mosfets and measure them as instructed shortly !
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-06-2021, 03:21 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

Hello !

Alright, so did as instructed and:

Mosfet 1 - 4309 RSACP
Mosfet 2 - 4413 BA652Z

Diode mode test.

Mosfet 1
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 06:27 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

Alright, done as instructed and the readings are as follow:
Mosfet 1
Pin 1 - 19.7
Pin 4 - 7.6
Pin 8 - 1.4

Mosfet 2
Pin 1 - 0.9
Pin 4 - 0.73
Pin 8 - 1.4
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 03:41 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

Also not sure if its very visible on the photo provided but seems like the first mosfet looks a little bit defferently from the other two nearby (almost like browned a bit).
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 03:22 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

All of the above of course if im checking them correctly that is. Check pin 1 -> plus to ground minus to pin 1. Pin 4 -> plus to pin 1 minus to pin 4. Pin 8-> plus to pin 1 minus to pin 8.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 03:20 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

There is one more mosfet next to them followed by two chokes and the readings on its pins are :
1. 0.4
4. 0.1
8. 0.0
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 03:18 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

If im correct the secondary mosfet is the one thats next to the 1st one. So the readings from it are as follows:
Pins no:
1. 3.7
4. 0.2
8. 0.2
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 03:13 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

https://ibb.co/4MfCHJB
Ok so i went ahead and tried to follow as instructed, pretty hard to figure out which one is which because the of the board color hard to follow tracks.

So ... If im...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-05-2021, 01:14 AM
Replies: 13
Views: 340
Posted By trufla
Re: MSI GL62 7RDX not charging, not powering on

Hello ! Thank you for prompt response ! Ok so i have the mobo opened and no there was no liquid spillage on it and no signs of corrosion/rust on any of the components inside. Seems like the mosfets...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-04-2021, 12:23 PM
Replies: 13
Views: 340
Posted By trufla
MSI GL62 7RDX not charging, not powering on

Hello !

First of all would like to say hello to everyone here and thank you to the creator of this forum for making such a place :) These days not much places where kind souls willing to share...
Forum: Announcements & Related News 03-04-2021, 11:22 AM
Replies: 26,063
Views: 2,078,122
Posted By trufla
Re: New Members - please post your introductions here

Hello !

Newbie here :) Seeking knowledge and mastery of new akills :) Just a humble dude from Poland living and working as a technician at the server data center in Seoul.
Looki g forward to...
Showing results 1 to 13 of 13

 
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