Bonsoir
New Members - please post your introductions here
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Hi everyone, my names Justin from UK. I have just signed up as I enjoy tech repair as a hobby, looking forward to learning a lot!Comment
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Hi I'm new to this forum.
I been retired from the electronics industry for sometime now. I enjoy working on anything that has too do with electronics. But it's hard to find schematics for devices when the device is too old. This is my only way to keep my mind active.
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Im new her. I am getting into buying used micro PCs. Mostly for digital signage and security monitors. Finding that alot of them are coming with locked Bios. Found this resource as a way to unlock them. Ive learned how to dump them with a programmer and am hoping that someone here can remove the password lock for me.Comment
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HEY! my name is james. this is a really great forum, I am new to board repair but will do my best to follow the rules.Comment
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Hi everyone my name is rafy, i found this forum and its a great forum, will try my best to learn the basics and obey the rules.Comment
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Hola chicos, como estan? espero que excelente, estoy por aca para ayudarnos mutuamente, tengo bastante experencia en placas logicas de macbooks y imacs, encantado de ayudarles, tambien que me ayuden. Gracias y exitosComment
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Hi everybody.
My name is Walid and i am from Morocco. Since the age of 8 i started opening electronics home just oout of curiosity. But i really only have the knowledge to fix some not very complicated damages. when it comes to the material i'm using the Yihua 8786d soldering station, PS-305D ZHAOXIN as a power supply and the UT892 2000V multimeter.
Thank you .
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Related Topics
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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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