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Search: Posts Made By: mgrharry
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-05-2022, 05:08 PM
Replies: 29
Views: 1,442
Posted By mgrharry
Re: Dell XPS 13 9360 No charge

Sorry to jump on an old thread here, but I have come across a very similar issue with a small twist. The TVS diode, PD102, :poof: and burned one side of the trace. See pic below. I did find what I...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-20-2022, 01:33 AM
Replies: 1
Views: 147
Posted By mgrharry
Acer Aspire Bad KB Power Button and Trackpad Not Recognized

Acer Aspire Nitro VN7-792G. Motherboard part number is 448.06A11.001M. After attempted upgrade, owner mangled kb ribbon and appears to have shorted something else since trackpad is not detected. ...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-15-2022, 03:17 AM
Replies: 5
Views: 275
Posted By mgrharry
Re: Asus GX701

[insert sad trumpet sound here]
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-14-2022, 01:38 PM
Replies: 5
Views: 275
Posted By mgrharry
Re: Asus GX701

See pic for coil resistance to ground readings. Couldn't get any read out on the circled coil marked with question.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-12-2022, 11:12 PM
Replies: 5
Views: 275
Posted By mgrharry
Asus GX701

Working on an Asus GX701. Owner said she regularly charged it with USB C 100W charger instead of stock power adapter. One day it stopped turning on. Charging LED comes on when plugged in. The...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-07-2022, 06:22 PM
Replies: 5
Views: 344
Posted By mgrharry
Re: Dell Inspiron 5378 Charging Issue

ISL 95521AHRZ
https://www.renesas.com/en-us/www/doc/datasheet/isl95521a.pdf
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-07-2022, 03:33 PM
Replies: 5
Views: 344
Posted By mgrharry
Re: Dell Inspiron 5378 Charging Issue

Is that the info you needed?
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-04-2022, 12:41 PM
Replies: 5
Views: 344
Posted By mgrharry
Re: Dell Inspiron 5378 Charging Issue

SIO mec1404.
ncp81208 voltage regulator.

Motherboard
DPN 0pg0mh
P/N: 455081010002
mo: 28155885 VER: 1B
STARLORD13_R

Thank you.
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 03-03-2022, 06:07 PM
Replies: 5
Views: 344
Posted By mgrharry
Dell Inspiron 5378 Charging Issue

Working on a Dell Inspiron 5378. Initially system had a short to ground. Injected voltage and found bad cap. Short gone, system powers on, but does not detect charger properly, despite known good...
Forum: Troubleshooting Game Consoles & Other Weird Devices 01-14-2022, 12:17 PM
Replies: 6
Views: 553
Posted By mgrharry
Re: Fanatec CSL Elite Wheelbase - USB B Port Repair

Confirmed and tested to work. Thanks folks.
:swords:
Forum: Troubleshooting Game Consoles & Other Weird Devices 01-14-2022, 01:07 AM
Replies: 6
Views: 553
Posted By mgrharry
Re: Fanatec CSL Elite Wheelbase - USB B Port Repair

Thank you mon2 for the nudge in the right direction. image attached shows the correct layout.
Forum: Troubleshooting Game Consoles & Other Weird Devices 01-10-2022, 12:53 PM
Replies: 6
Views: 553
Posted By mgrharry
Re: USB B Port Repair

Sorry for the poor thread title, not sure how I can rename it.
The device is a Fanatec CSL Elite Wheelbase.
Forum: Troubleshooting Game Consoles & Other Weird Devices 01-07-2022, 10:14 PM
Replies: 6
Views: 553
Posted By mgrharry
Question Fanatec CSL Elite Wheelbase - USB B Port Repair

Fixing a usb b port that was damaged and some of the traces were pulled off. Trying to sort out where to run jump wires. There's an USBLC6-2SC6 ESD directly behind the port, datasheet here...
Forum: Troubleshooting Game Consoles & Other Weird Devices 11-22-2021, 07:15 PM
Replies: 12
Views: 1,424
Posted By mgrharry
Re: Fanatec Wheel Base PCB Eyelet Replacement?

Eyelets are tiny, 1mm hole width and 1.5mm flange head. Only place that seemed to have it was CircuitMedic. The refill kit here should do the trick:...
Forum: Troubleshooting Game Consoles & Other Weird Devices 11-18-2021, 08:42 PM
Replies: 12
Views: 1,424
Posted By mgrharry
Re: Fanatec Wheel Base PCB Eyelet Replacement?

Mouser maybe for eyelet, I guess I can measure size of original eyelet with caliper. Although it seems they only have brass eyelets, not copper....
Forum: Troubleshooting Game Consoles & Other Weird Devices 11-18-2021, 08:27 PM
Replies: 12
Views: 1,424
Posted By mgrharry
Fanatec Wheel Base PCB Eyelet Replacement?

Working on a Fanatec wheel base assembly with a damaged USB port. It has a USB B female USB port (like a printer). One of the traces underneath the USB port as torn, and the PCB eyelet is damaged. ...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 11-15-2021, 08:04 PM
Replies: 2
Views: 355
Posted By mgrharry
Thinkpad T570 Shuts Offs After AC Pwr

Troubleshooting a Thinkpad T570. It shuts off after roughly 10 seconds if the AC power is connected. However, if only running off internal battery it works fine, at least for now while the battery...
Forum: BIOS & Schematic Requests! 10-29-2021, 05:37 PM
Replies: 2
Views: 462
Posted By mgrharry
Re: Asus G15CS Motherboard BIOS Issue

I've attached a copy of the latest BIOS update from Asus for this motherboard. I tried following the guide here:
https://www.badcaps.net/forum/showthread.php?t=75292

but I get hung up on the...
Forum: BIOS & Schematic Requests! 10-27-2021, 03:00 PM
Replies: 2
Views: 462
Posted By mgrharry
Asus G15CS Motherboard BIOS Issue

Working on an Asus G15CS system. Customer is complaining of poor performance. This is a prebuilt system and the BIOS does not allow modification of many settings and in particular the Asus...
Forum: BIOS Requests ONLY! 08-26-2021, 01:37 PM
Replies: 5
Views: 514
Posted By mgrharry
Lenovo 1-14ast-05

Trying to fix a Lenovo 1-14ast-05 which had a BIOS update interrupted and now powers on with flashing power button and solid caps lock light.

Downloaded the BIOS update file from Lenovo here:...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-28-2021, 10:33 PM
Replies: 1
Views: 456
Posted By mgrharry
820-00850 Logic Board 5V, No liquid dmg

MBP Touchbar, board 820-00850, shut off in the middle of video streaming and never turned back on again. Examined board and USB ports closely and it is clean, no sign of liquid damage.

USB C...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-29-2021, 10:06 PM
Replies: 5
Views: 834
Posted By mgrharry
Re: Flir Boson Development Board Damaged USB

For TVS2 multimeter reads .790 forward and .751 in reverse direction. So it seems to be bad. However, when it is removed, I still get no device recognition. It does seem likes that the problem is...
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-22-2021, 11:48 PM
Replies: 5
Views: 834
Posted By mgrharry
Re: Flir Boson Development Board Damaged USB

There is continuity between socket & plug. For TVS2 and 3 I will remove and test them. Will data lines function without them?
Forum: Troubleshooting Game Consoles & Other Weird Devices 06-22-2021, 11:11 AM
Replies: 5
Views: 834
Posted By mgrharry
Flir Boson Development Board Damaged USB

Working on a Flir Boson Development board, model number 250-0593-02-r210. USB port was ripped off, tearing several traces on the board. I reattached it, and bridged the torn traces. It now shows...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-25-2021, 09:10 PM
Replies: 17
Views: 1,379
Posted By mgrharry
Re: Acer A515 Not Charging

No chip labeled BQ735, but I did locate BQ24780S
https://www.ti.com/lit/ds/symlink/bq24780s.pdf?ts=1621969065294

According to that, VCC is pin 28, ACDET pin 6, and ACOK pin 5.
VCC = 19.16V...
Showing results 1 to 25 of 104

 
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