I am a old school it to get good info from people like me that at times want straight answers not support fluff
New Members - please post your introductions here
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Just an old timer running an IT department looking keep up to date on all this technical stuff that just isn't made available from the manufacturers! Lets us fix our units! Some of us do have the skill!Comment
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Hello Everyone!
I'm an Electronics and Automation Engineer from Spain who has been around PCs, programming, and video games since I was 3-5 years old. Currently, I have several PCs, and I love to rebuild them for different purposes while maintaining the pristine condition of their components, no matter how old they are.
I've found this forum to be a huge source of information and knowledge, especially from people with a vast amount of interesting posts to learn from, and that's something I really appreciate!
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Hello every one my name is muchu
I am computer hardware engineer I am new here I am from IndiaComment
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hello all, needing some help with my TV so signed up and I'm making sure to introduce myself 1st.Comment
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Seems like a great place to get some schematics, and hopefully will be able to contribute as well.Comment
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My name is MacMalady87. It's nice to join my first tech based forum, please excuse my infantile ignorance when it comes to computers. I am here to learn & hopefully share what I can with everyone. I usually DIY my vehicles & woodworking but I find myself more & more interested in computers & modifying my own to suit my needs/desires. I am a civil engineer & I enjoy taking pretty much anything apart & putting it back together. I really appreciate sharing information & I look forward to helping the next person with anything I can. Thank you for the add!Comment
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hi everyone im jhon thomas from Philippines, im a computer technician i have a small business here in the phil.
i want to explore my Knowledge in programing . iwant to have more friends to help me develop my skill in programing i can share my talent specially in a hardware method hope that i can get some o lot here in this forum .. thank you and hope the i will welcome here as anew member thanks ...Comment
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by fredyjbiplease help friends thinkpad T470 board CT470 series NM-A931 error post "bottom cover tamper detection error"
I've already
flashed the bios clean me and updated from the Lenovo site, then removed the switch and immediately jumped the S3 from pins 1 to 4, 2 to 3 but the problem remained the same, thank you1 Photo -
by fredyjbiplease help friends, I have 3 T490 units with the same case, the USB type C is completely dead, showing 20v 0 amp, loss of voltage VINT20_IN resistance to ground is fine, thank you
I think the problem is that I lost the voltage at PQ0008 pon 1 -PWRSHUTDOWN which should have been high which was picked up by R9512 VCC3SW, thank you very much for your help
PF0002 20v
PQ0005
pin 5 20v
pin 1.2.3 19.8v
pin 4 19.8
resistance
source & drain 2,4 m
source & gate 100k
PQ0006
pin 1.2.3 19.8v
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Channel: BIOS Requests ONLY!
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by fredyjbiplease help friends clean me bios x1 yoga 7th no display melody beep, thank you
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Channel: BIOS Requests ONLY!
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by fredyjbiPlease help friends, thinkpad t480 nm-b501 is dead, help me fix it, thank you
usb meter 20v 0.00 amp, after I took the VSYS measurement the drop was only `9.2v which should have been 10.2v I measured from a normal matherboard machine, the VSYS path resistance to ground diode mode is 1900 thank you
LINK to Schematic -> https://www.badcaps.net/forum/troubl...b501-schematic - Loading...
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