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Hi any one know the wiring diagram for cello there is two wires from the screen white and red they are two pin but there is only one 2 pin port any ideas thank youComment
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Hello! My name is Marcin and I live in Poland. I'm just learning to repair the basics of electronics. Regards.Comment
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Hello everyone. my name is alexis, and i just one to learn from your expirence and also share mine, i live en Nicaragua. and i starter to dig in this big world of electronic.
best regardsComment
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Hi, I'm dre, software engineer mostly focusing on web dev, web3 and AI, I'm here because of the weather! 😏
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Hello there,
My name is Ruediger, I am from Germany, and I work in IT since many years. I am interested in some hardware schematic details posted and discussed in these forums... Have a great day!Comment
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Hello everyone I am hernan Castillo I am here to learn how to unlock my surface laptop 4 I have made it to the factory reset screen but all it does after That it gives me the blue recovery key screen and then I can click on Skip but it says there was a problem resetting the laptop and I don't know what to do about this I would appreciate it if someone can walk me through the troubleshoot I would appreciate it if someone can help me out with that asap thank youComment
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Hello everyone I am ahmed moustafa I am here to learn how to fix thinkpad x13 yoga gen 2 laptop
its bios is broken i need the dump bios version. iam an electronics and communication engineering. i can fix multiple software and hardware issues.
i have a long experiance dwaling with laptops and and microwave and CAD tools in pcComment
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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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