HELLO EVERYONE!
New Members - please post your introductions here
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Hi everyone, I'm Armadillo from Singapore. I am an Electronic Hobbyist and I am able to repair most electronics. I also do programming in c/c++, embedded programming STM32, STM8, Atmel etc. I have most equipment from oscilloscopes many, spectrum analyser, logic analyser, GHz Freq Gen, Vect Analyser etc.
Badcaps has provided valuable information and had help me many times and this community is wonderful with many talented people. thank you all.Comment
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Greetings to all, I am dedicated to repairing laptops and cell phones, every day I like to learn more about microelectronicsComment
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What’s up everyone. Just a quick introduction about me. I am TV restoring junky because I use them for non mission critical video displays and personal TV sets. I am an entrepreneur in the field of AV Broadcast Engineering. In addition I come from a background in aerospace and information systems. So basically I love electronics and signal flow. I joined this forum to get help identifying technical issues with some of the TV sets that are now just wasting space around my house and studio. I’m looking forward to starting some discussions that may be of help to others that may come across this forum.Comment
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newbie here from Philippines i need more about repairing to improve my knowledge hope im welcome here thank you♥️Comment
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Hi ! I live in Belgium and I work as electrician in the industry.
Repairing devices is my hobby ! I like that...it is already a little challenge.
I'm trying to repair a power supply but one of the Mosfet exploded and I don't have the references and the schematics...
Have a nice day !!😄
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Hi, my first system dates back to 1985, a Commodore-64 with tape compac 7 mounted on an ancient 14" tube color television
No DOS!! That system had 64k RAM and ran in BASIC!! I switched to DOS based PC after 1990. My first homebuilt was in 1991, it was a 286 with 16 MB RAM and a 20 MB EIDE HDD, a 4x Mitsumi CD drive, a 1 MB Hercules video card and a SB16...good times....Comment
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hi, i'm a new member. i started building a PC and opened up my laptop to get the ssd out and move files from my old hard drives. when doing so i accidently striped a conector from the keyboard off. in the process of trying to fix it i developed a taste for repairing things and i've been interested in learning moreComment
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Hola amigos desde Panamá, soy ingeniero electrónico especialista en computadoras tipo Laptop, estoy para servirlesComment
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👋 Hello! My name is Emran and I'm in my mid-30s. I reside in Islamabad, Pakistan. With a background in electronics security equipment, I've had the privilege of working with government and military departments. Currently, I'm navigating some financial challenges and considering new job opportunities.
👨👩👦👦 My family is my anchor. I have three wonderful sons: Hashim, Sahil, and David. They keep me motivated and remind me of life's joys.
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Hello. I searched countless forums to solve a problem with a bios on a lenovo x1 carbon 2017 laptop without luck. But it seems that you have a solution. So I decided to join your community. I like to learn new things. I have never worked in these fields but I do it as a hobby. Thank you for letting me join you.Comment
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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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