My name is Ted. I'm a 55 year-old electronic guy. And my hobby is audio and measurement instrument stuff. I'm repairing my notebook which doesn't charge. So I'm finding a schematic or service manual here.
New Members - please post your introductions here
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Hi all! Im Melvin i work as an full time electrician i come from Sweden Stockholm. As a hobby i like to screw on electronics and computers especially if i built them my self. i hope to come on here and share and receive knowledge about all sorts of interesting things!
Regards MelvinComment
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Hello everyone!
My name is Lalle and I'm an electronics engineer that has been working with industrial systems, automotive, functional safety and a little bit of embedded for the last 10 years.
I've always had an interest in fixing electronics and salvaging other people's garbage.
I found this forum while googling some fixes for a laptop I'm currently trying to get running for my kid to play old school games on.
I'm usually not much for posting, and prefer to just lurk in the shadowsComment
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Bonjour je suis passionné d'informatique , je répare quelque pc a temp perdu , j'ai un diplôme de monteur câbleur en électronique et vais bientôt faire une formation en technicien SAV électroménager et tvComment
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Bonjour a tous je suis a la recherche d'un Bios bin de satellite pro l70-a bios psknfe en 1,6 pour le flasher avec mon ch341A car mon bios est hs . merci d'avanceComment
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I am an electronics enthusiast. I enjoy repairing various electronic devices and hope to learn and share related knowledge here.Comment
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Hi, I am a system admin from Minneapolis and I came here to get assistance unlocking a Dell 5410 BIOS (8FC8)
I've never programmed a BIOS chip directly before, but after spending $20 on Amazon im having great luck reading and writing to them. Now I just need to figure out how to patch the password protected Dell BIOSComment
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Hi guys, I´m new!
I´m 23 years old, starting a college degree in computer systems, looking forward to learn a lot about this world that is a passion of mine since a few years ago, I hope I can give to this community as much as I can.
I see you have a lot of experience and I hope I learn a lot from you, sure I´m excited about that.
Sorry about my broken english, but I´m from Mexico and looking forward to improve!Comment
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Hello, I am an electronics technician and I mainly dedicate myself to the repair of computers and televisions.
I hope to improve my knowledge here and contribute what I can.
greetings allComment
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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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