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Search took 0.00 seconds. Search: Posts Made By: REpairAT
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 07-06-2022, 02:05 PM
Replies: 5
Views: 246
Posted By REpairAT
Re: Lenovo Ideapad C340-15IIL intermittent charging

Charging IC is Intersil 88739A. Behaviour now is that it shuts down the first two mosfets after about 30 seconds of charging completely. Both mostfets are ok. I can't find any schematics neither from...
Forum: BIOS Requests ONLY! 06-28-2022, 10:53 AM
Replies: 4
Views: 135
Posted By REpairAT
Re: HP 15-cb002ng no picture after CMOS reset

After leaving it running and turning off/on again multiple times, both files above stuck at "Flashing Boot Block 53%"
I assume, there's another problem with the mainboard. I read some issues with an...
Forum: BIOS Requests ONLY! 06-28-2022, 10:16 AM
Replies: 1
Views: 56
Posted By REpairAT
HP Pavilion 14-ba105ne no POST

Hi,
need BIOS for
HP Pavilion 14-ba105ne
Bucks U42 DIS
17817-2
448.0BZ09.0021

No POST, all voltages OK. Tried to clean ME by myself, no success yet.
Attached, the original backup.
Forum: BIOS Requests ONLY! 06-28-2022, 07:46 AM
Replies: 4
Views: 135
Posted By REpairAT
Re: HP 15-cb002ng no picture after CMOS reset

No POST or backlight at all with this bin.

BR, Ray
Forum: BIOS Requests ONLY! 06-27-2022, 01:23 PM
Replies: 4
Views: 135
Posted By REpairAT
HP 15-cb002ng no picture after CMOS reset

Hi,
I have a strange fault with this notebook, MB Nr. is
G75A DAG75AMBAD0 REV: D

Backlight goes on, but no picture. Caps blinking 5x long, 3x short, meaning
"This condition indicates the...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-24-2022, 07:05 AM
Replies: 4
Views: 179
Posted By REpairAT
Re: Asus UX334FL (UX434FLC) No power

It's done, finally! The replaced mosfet was not short in the end, most likely just open while measurment. The defective one was labeled "E180A" but I replaced it now with a spare from a HP scrap...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-24-2022, 05:05 AM
Replies: 4
Views: 179
Posted By REpairAT
Re: Asus UX334FL (UX434FLC) No power

Ok, it's tricky but I'm on track.
Found 2. Mosfet to be short, replaced it, short again. Then I found a short from Gate to Source on the board, where a 47nf cap should be placed, regarding to...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 06-23-2022, 11:25 AM
Replies: 4
Views: 179
Posted By REpairAT
Asus UX334FL (UX434FLC) No power

Hi,
have this laptop, not coming on, not charging. Gate Voltage of 1. Mosfet is ~2.2V, laptop works by bridging it, of course not charging. Charging IC is BQ24780S.
Anyone got an idea where to...
Forum: Troubleshooting Computer Displays 06-21-2022, 09:01 AM
Replies: 3
Views: 332
Posted By REpairAT
Re: Eizo ColorEdge CG277 power supply burned

Thanks for your replies!
I have the feeling that asking EIZO for a spare board sadly might be the only, valid option.

BR,
Ray
Forum: Troubleshooting Computer Displays 05-31-2022, 04:29 AM
Replies: 3
Views: 332
Posted By REpairAT
Eizo ColorEdge CG277 power supply burned

Hi,
Got this monitor with a burned main track and diode, unable to identify. My feeling tells that this mysterious "MP2C5052" IC caused the damage, yet I'm unable to find any useful information...
Forum: Schematic Requests ONLY! 05-25-2022, 01:41 PM
Replies: 3
Views: 228
Posted By REpairAT
Lenovo BIUS4/S5,CIUY0/Y1 LA-E221P Rev: 1.0 IdeaPad Flex 4-1580

Hi,
anyone got the schematic and boardview for this device?

Strange charging behavour, charges battery only above certain temparature, otherwise doesn't even recognize AC Adapter. Unplug the...
Forum: BIOS Requests ONLY! 05-25-2022, 08:09 AM
Replies: 90
Views: 15,563
Posted By REpairAT
Re: Hp probook 450 g4( da0x83mb6h0) rev:h bios dump

Thanks! Just tried it, no success. Fan just spinning full speed, no picture, as before. I think my dump has another fault than ME. Anyone here to fix it? Thanks! :)
Forum: BIOS Requests ONLY! 05-24-2022, 11:28 AM
Replies: 90
Views: 15,563
Posted By REpairAT
Re: Hp probook 450 g4( da0x83mb6h0) rev:h bios dump

Tried this BIOS, Computer now boots but shows "soft temporary disable...".
At least I know now, it's a BIOS issue.
Could anyone fix my dump? Tried to clean ME by myself but didn't find the right ME...
Forum: BIOS & Schematic Requests! 05-23-2022, 06:40 AM
Replies: 4
Views: 285
Posted By REpairAT
Re: Intel NUC8i5INH BIOS Request / Repair

Thanks a lot, that was really helpful!
I managed to clean ME region regarding to your manual, sadly the problem persists. I'll check for other faults as soon as I find some time, but knowing how to...
Forum: BIOS Requests ONLY! 05-23-2022, 06:36 AM
Replies: 6
Views: 408
Posted By REpairAT
Re: bios medion akoya MD62450 E3222

Hi,
got the same model, shows no picture at startup. Here's my dump, maybe someone can fix it for us. Thanks a lot! :)
Forum: BIOS & Schematic Requests! 05-11-2022, 04:23 AM
Replies: 4
Views: 285
Posted By REpairAT
Re: Intel NUC8INB BIOS Request / Repair

NUC8i5INH is mine. Is there any tutorial to learn how to clean the ME? I'd do it all by myself instead of bugging people here, if I would know how :D
Forum: BIOS & Schematic Requests! 05-10-2022, 01:32 PM
Replies: 4
Views: 285
Posted By REpairAT
Intel NUC8i5INH BIOS Request / Repair

Hi,
need BIOS for NUC8INB please. Attached, my Backup and newest CAP file from Intel Homepage (if needed)

Thanks in advance!
BR, Ray
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-09-2022, 01:33 PM
Replies: 106
Views: 24,498
Posted By REpairAT
Re: Post your worthless and/or pointless repairs

Exactly! :D
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 05-09-2022, 11:44 AM
Replies: 0
Views: 215
Posted By REpairAT
Lenovo IdeaCentre AIO 520-27ICB Backlight issue

Hi,
got this AIO with a backlight issue, it just turns on for the blink of a moment.
LED backlight stripes tested and working, no schematics available, also I couldn't find any datasheet of this...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-09-2022, 08:21 AM
Replies: 106
Views: 24,498
Posted By REpairAT
Re: Post your worthless and/or pointless repairs

The tape was there since almost forever, after I accidently stepped on it once. The more recent Sunday-evening fix was the external power switch, after the original one went up in smoke haha
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-09-2022, 06:43 AM
Replies: 106
Views: 24,498
Posted By REpairAT
Re: Post your worthless and/or pointless repairs

I'm unsure if this is actually the most pointless fix I've ever made, but it sets the bar quite high, even for my standards. At least I had it for around five more years.
Forum: BIOS & Schematic Requests! 05-05-2022, 01:07 PM
Replies: 1
Views: 186
Posted By REpairAT
Lenovo IdeaCentre AIO 520-27ICB ECA70 LA-F882P Rev:1.0

Hi,
need schematics please. Display backlight turns on for the blink of a moment, then stays off. All four LED strips tested and working, Computer works on external screen.
Thanks in advance!
BR,...
Forum: Schematic Requests ONLY! 05-05-2022, 11:45 AM
Replies: 0
Views: 200
Posted By REpairAT
IdeaPad S340-15IIL FL5C5/FL535/FL435 LA-H103P Rev:1.0

Hi,
need this Lenovo schematic please.

Customer replaced display on his own without disconnecting battery, JEDP1 burnt VCC Backlight contacts. Replaced cable and soldered pins directly to...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-05-2022, 05:42 AM
Replies: 5
Views: 246
Posted By REpairAT
Lenovo Ideapad C340-15IIL intermittent charging

Hi,
I had this case on at least 4 or 5 times different Lenovo Models already, never found a solution. Right now it's a Lenovo Ideapad C340-15IIL with a new OEM Battery. Also, I've got a used, but...
Forum: Schematic Requests ONLY! 05-03-2022, 09:53 AM
Replies: 2
Views: 571
Posted By REpairAT
Re: M10H1 MB Schematic needed

If your Notebook is dead, not charging despite 19V power rail is active, flashing EC from this thread will solve your problem:

https://www.badcaps.net/forum/showthread.php?t=40329

BR, Ray
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