hi im learning to repair laptops from cdmx, mexico. Grettings!
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Hi, I am Paulo(28) from Portugal, I have degrees in clinical psychology and geography but I have been tinkering with electronics since I was 7 years old.
Worked fixing trains and cars for 6 years to pay my college degree.
I work in a gambling/tobacco shop rn, doing odd jobs as a car/house electrotechnician and repairing electronics.
I have experience in 3d printing and designing, microsoldering, pcb design and some odd arduino tinkering.
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I had found this site for a video card schematic. I have a life long passion for electronics. My background is ttl and cmos, and avionics.Comment
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I am currently a data analyst at a financial institution and a student of systems analysis. I have a degree in business administration, a technical course in electronics, and in my free time, I enjoy spending time in my studio producing music. I have always been connected to technology and am very curious.Comment
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Hello Everyone. I'm a Computer Technician, I have been a Tech for a long time. Hahaha. I've been repairing computers at the component level for the last 10 years. I knew about this forum but only came here sporadically and never got involved in the forums. But it's time that I get more involved. Take advantage of the resources that are available on this forum.Comment
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Hello! I am Pinto From Mozambique.
I find this forum searching electronics information. I am learning electric.Comment
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Hi All,
Joining the team to learn how to reverse engineer BIOS as a hobby.
Have 20+ year experience with higher level programming but first time Low level coding.
Hope its as fun as I expect.
CheersComment
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Hello all,
I'm new to this whole hardware repair thing [as a hobby] and I'm trying to learn, get some advice, maybe ultimately contribute to this community.
I have a bit of a collection of computers [new, old and very old], some of them have certain issues and I'd like to get them up and running but I'm clearly missing knowledge and repair experience. So I'll be starting with some useless parts and work my way through to the other side.
Looking forward to the journey!Comment
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My name is Sam mechanic and I repair motherboards. Everything is easy until that one cap goes bad.Comment
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Obrigado por me aceitarem no FOrum trabalho com manutenção de equipamentos de audio e de som automotivoComment
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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
pin 4 19.8v... -
by fredyjbiplease help friends x1 yoga 7th no display beep melody thank you...
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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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