Hello every enthusiastic electronics repair fellas, im into this stuff too so i joined this forum to learn more about it. I work in electronics assembly factory so i got curious to start fixing motherboards by buying faulty ones and restoring them to working condition. so far this forum really helped me a bunch.
New Members - please post your introductions here
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Hello all people, i'm Krys from France, i live to Saint Tropez, i'm New , just find any ansers for my questions about differents bios corruptedComment
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Hey guys, I'm from Germany and I decided to join this forum efter finding it because I'm highly interested in repairing devices. I've fixed some simple things like Controllers and Fans and I hope I can learn a lot on this forum.Comment
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Hi. I have joined in the hope that I can learn a bit more about electronics repair and programming. This site comes highly recommended from several youtuber's I subscribe to.Comment
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hello to all tech here, im jhon from Philippines, im newbies from board level repair and starting to explore and im willing to learn and accept opinion from other tech. thank you admin for accepting me here in your forum BADCAPS. looking forward to exchange ideas from other tech. God bless🙏🙏🙏Comment
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Well hi to everyone im here cuz im a fan of electronical repair but im kinda bad at it and recently i have been feeling bad cuz my laptop was suffering a lot of accidents and i had to replace the display but for some reason when plugging the battery to the motherboard it shows a one spark and my gf take me here and im so confortable here, its like my zone but now i wanna post and well, here i amComment
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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... -
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Channel: BIOS Requests ONLY!
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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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