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Search: Posts Made By: myth77
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-19-2021, 01:12 PM
Replies: 1
Views: 53
Posted By myth77
820-00165a mac air PPBUS_G3H only 3,4 v

The macbook air came to me heavily damaged with smashed screen. L7130 was off the board. I cleaned everything, resolder L7130 and when charger plug in i have first green then orange light.
On...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-14-2021, 01:16 AM
Replies: 7
Views: 131
Posted By myth77
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-13-2021, 02:56 AM
Replies: 7
Views: 131
Posted By myth77
Re: Asus fx505dd (rev2.0) - 2 resistors

This is from fx505gd but it looks the same

https://i.ibb.co/xH2TmsM/2.png (https://ibb.co/HdK8N2r)
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-03-2021, 09:12 AM
Replies: 20
Views: 356
Posted By myth77
Re: DAG3DCMBCC0 REV C cpu shorted?

I didn't mean you measure it while power on..There is difference in ohm resistance if you measure it few seconds after the power cord unplugged and let's say half hour after power cord unplugged...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-03-2021, 07:44 AM
Replies: 20
Views: 356
Posted By myth77
Re: DAG3DCMBCC0 REV C cpu shorted?

What was the cpu?
And did you meassure ohm right after you unplug the power or after when it was cooled and power drained?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-02-2021, 06:24 AM
Replies: 20
Views: 356
Posted By myth77
Re: DAG3DCMBCC0 REV C cpu shorted?

I would remove those vcore coils and check on which side resistence is 0.2 ohm
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-01-2021, 10:49 AM
Replies: 20
Views: 356
Posted By myth77
Re: DAG3DCMBCC0 REV C cpu shorted?

What is exact ohm reading on that cpu coils relative to ground?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-01-2021, 04:24 AM
Replies: 14
Views: 635
Posted By myth77
Re: Laptop Asus ROG GX531GM dead

update....on this subject below post23, there is reading 2.1 ohm on cpu vcore
https://www.badcaps.net/forum/showthread.php?t=95066&highlight=8750h&page=2
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 07-01-2021, 01:56 AM
Replies: 14
Views: 635
Posted By myth77
Re: Laptop Asus ROG GX531GM dead

Are you sure? I think i measured two or three i7-8750h chips vccore resistence and on all working it was arround 2,3 ohm! Maybe someone else can confirm...
Forum: BIOS Requests ONLY! 06-19-2021, 10:32 AM
Replies: 1
Views: 90
Posted By myth77
g752vsk clean ME

Please clean ME. thx
Forum: Equipment Usage, Soldering, Techniques, and Reviews 06-08-2021, 07:01 AM
Replies: 14
Views: 915
Posted By myth77
Re: here we go... pad restoration now easy

any update on this? Does it really work in practice?
Forum: BIOS Requests ONLY! 06-06-2021, 10:44 AM
Replies: 8
Views: 176
Posted By myth77
Forum: BIOS Requests ONLY! 06-06-2021, 10:37 AM
Replies: 8
Views: 176
Posted By myth77
Re: Asus g752vsk vbios

its ok, when you extract it, it is around 1 mb, thats ok because it is gpu vbios W25Q80
Forum: BIOS Requests ONLY! 06-06-2021, 10:24 AM
Replies: 8
Views: 176
Posted By myth77
Re: Asus g752vsk vbios

For vbios is small? Gpu bios? Hmmm i will check again...
Forum: BIOS Requests ONLY! 06-06-2021, 10:12 AM
Replies: 8
Views: 176
Posted By myth77
Forum: BIOS Requests ONLY! 06-06-2021, 08:31 AM
Replies: 8
Views: 176
Posted By myth77
Asus g752vsk vbios

Hi, please i need gpu bios for model in title. It is g752vsk model not g752vs...Thx
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-04-2021, 07:24 AM
Replies: 14
Views: 635
Posted By myth77
Re: Laptop Asus ROG GX531GM dead

My advice would be to remove those 7,8,9,10 coils with heatgun and then check what side is shorted to gnd...pray that it is the other side(opposite to cpu) because if it is CPU side shorted chances...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-04-2021, 05:07 AM
Replies: 14
Views: 635
Posted By myth77
Re: Laptop Asus ROG GX531GM dead

These seems fine because they are gpu coils and that low ohm reading is ok.



These are not good. 7,8,9,10 are cpu coils and should be somewhere around 2 ohms at least.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-30-2021, 08:01 AM
Replies: 16
Views: 801
Posted By myth77
Re: Asus n550jv rev 2.1 no power

Are those readings ih Kohm for all coils? You can not read in Kohm many of these Coils because they have much lower resistence to the ground...some even few ohms.
Use your multimeter in ohms for...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 04-06-2021, 03:00 AM
Replies: 0
Views: 148
Posted By myth77
asus fx553vd no picture on lcd

The laptop came shorted...dont know history.
+ac_bat_sys line was shorted to gnd. Had to replace charge manace ic, both mosfets,
Then i found shorted on gpu gtx 1050 and also on U8005 short. i...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-25-2021, 08:39 AM
Replies: 1
Views: 377
Posted By myth77
BGA replacement success rate

I am new in replacing bga chips and i have to admit that i still have trouble in balling, reballing chips... it is not 20 minute job for me...its more like one hour at this time :) and when i say...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 03-17-2021, 07:43 AM
Replies: 5
Views: 420
Posted By myth77
Re: Asus GL503V does not power on battery

What hapends if you unplug the charger while laptop is working? (with battery attached)

BAT+ voltage stable?
PR505 and PR506 resistence ok?
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-13-2021, 07:52 AM
Replies: 23
Views: 3,782
Posted By myth77
Re: Noob - reballing, balling, stencil questions...

Update, today i am really tired and pissed off...because of that shity epoxy that lenovo use. I spend a lot of time and nerves tried to clean that black shit from the bga and pch chip. When i replace...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-13-2021, 07:42 AM
Replies: 8
Views: 938
Posted By myth77
Re: skypro programmer not detecting bios chips

Oh i forget about this subject... :) In the end the programmer started to work after maybe 50 firmware installation...I am not sure what cause or fixed the problem...maybe it was bad usb cable that...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 02-03-2021, 11:34 AM
Replies: 8
Views: 938
Posted By myth77
Re: skypro programmer not detecting bios chips

Nope, bought quality usb cable but the same thing...chip not recognised...
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