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ploggy replied to Logitech G29 Help request to find smd transistor reference.

in General Electronics Technical Discussion

10-25-2023, 05:20 PM
Re: Logitech G29 Help request to find smd transistor reference.

Heh I folded like a cheap suit and purchased a replacement Mobo for my wheel :P
I wasn't 100% confident even if I found the right part that I could replace it.. the part is damn small lol
Even tho I now have a working wheel I'll keep an eye on this page just just incase someone confirms the ic and has replaced it successfully.

Thank you for the help, I appreciate it.

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ploggy replied to Logitech G29 Help request to find smd transistor reference.

in General Electronics Technical Discussion

10-24-2023, 01:47 PM
Re: Logitech G29 Help request to find smd transistor reference.

I haven't got calipers to check size but I have a Multimeter.
On my Multimeter the diode test shares the same position as the continuity.
I uploaded a fresh pic with the measurement on it, on the "good" ic on the bad ic it beeps across all pins...

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Last edited by ploggy; 10-24-2023, 01:49 PM.
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ploggy replied to Logitech G29 Help request to find smd transistor reference.

in General Electronics Technical Discussion

10-24-2023, 06:33 AM
Re: Logitech G29 Help request to find smd transistor reference.

Thank you how do I confirm the IC's package?...

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ploggy replied to Logitech G29 Help request to find smd transistor reference.

in General Electronics Technical Discussion

10-23-2023, 04:50 PM
Re: Help request to find smd transistor reference.

Sorry to bump but this is exactly what's happened to my wheel PCB too but for me the burned component is at U9 on the PCB instead of U8 for you, I think they components are the same but I cant find out what the component is?

It says A1 on one of those parts I assume my burned one says A1 also but I don't know for sure due to the markings being burned off.

Can someone identify this component for me please?...

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ploggy replied to Lenovo ThinkPad T470 bios password decrypt

in BIOS Requests ONLY!

06-08-2023, 10:13 AM
Re: Lenovo ThinkPad T470 bios password decrypt

Apologies. I would remove the link but I cant edit the post for some reason ?...

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ploggy replied to Lenovo ThinkPad T470 bios password decrypt

in BIOS Requests ONLY!

06-07-2023, 05:35 PM
Re: Lenovo ThinkPad T470 bios password decrypt

All good! once I figured out that the tamper switch needed to be untaped everything else fell into place, laptop back to fully functional condition! thanks everyone for the great work you do

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ploggy replied to Lenovo ThinkPad T470 bios password decrypt

in BIOS Requests ONLY!

06-07-2023, 02:04 PM
Re: Lenovo ThinkPad T470 bios password decrypt

Hi all
I have dumped my t470 Bios file multiple times with a CH341A using both Colibri and ASProgrammer tool but none of the dumps CRC's seem to match?
I made sure to disconnect both batteries plus the cmos battery and I've taped the tamper switch down also.

I can post one of the dumps if you want but I'm afraid they wont be vaild dumps?
Is it possible to derive the password just from a dump?

EDIT: Looks like I can get matching dumps if I remove the tape from the tamper switch :P
...

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Last edited by Vesko356; 06-08-2023, 12:26 AM. Reason: External url
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