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| Badcaps Capacitor & Electronics Repair Forum | ||||||
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Frequently Asked Questions (No Posting)
All new members, PLEASE READ HERE FIRST! Posting only allowed by established members.
Topics: 45
Posts: 733
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45 | 733 |
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Announcements & Related News
Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!
Topics: 236
Posts: 42,298
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236 | 42,298 |
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| Document & Software Archive | ||||||
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Common Parts Library - Datasheets
Share or download datasheets or application notes for electronic components and other parts. Contribute your knowledge or ask questions. Before using please read our Terms of Service.
Topics: 1
Posts: 4
Last Post:
ncp81208 datasheet
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1 | 4 |
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| General Topics | ||||||
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General Capacitor Questions & Issues
Questions and answers for identifying whether your device has bad capacitors. Also post general capacitor-related questions and issues here.
Topics: 3,190
Posts: 32,714
Last Post:
Remove capacitor without damaging the board
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3,190 | 32,714 |
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General Computer & Tech Discussion
Have just a general computer question, post it here. This can be anything from an OS issue, hardware issue not related to capacitors, upgrade question, or whatever basic tech-related issue is on your mind.... This is also a good place to share your tech projects!
Topics: 4,502
Posts: 74,876
Last Post:
Looking for info on Realtek RTD2132 ic
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4,502 | 74,876 |
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| Troubleshooting Hardware & Devices and Electronics Theory | ||||||
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General Electronics Technical Discussion
If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.
Topics: 3,985
Posts: 44,460
Last Post:
Question about electricity
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3,985 | 44,460 |
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Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
Technical discussions covering any type of desktop motherboard, video/graphics card, controller card, or whatever other desktop peripheral you need help with. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 6,867
Posts: 37,567
Last Post:
Motherboard W26361-W84-X-02 - Black Screen
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6,867 | 37,567 |
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Sub-Forums:
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Troubleshooting & Designing Networks
Post your computer network questions, ideas, gripes, and so on in here. This can be any type of network, whether its cabled, wireless, or whatever. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 501
Posts: 5,455
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501 | 5,455 |
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Troubleshooting Laptops, Tablets, and Mobile Devices
Technical discussions covering any type of laptop, notebook, netbook, tablet, or smartphone. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 32,149
Posts: 307,306
Last Post:
Bios Password Dell Latitude 5510
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32,149 | 307,306 |
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Sub-Forums:
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Troubleshooting Computer Displays
Technical discussions covering any type of PC/computer display, whether it be CRT, LCD, or anything else. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 5,329
Posts: 75,732
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5,329 | 75,732 | ||||
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Troubleshooting TVs and Video Sources
Technical questions about your defective television, projection screen, LCD/plasma, or any other type of video device. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 27,486
Posts: 375,148
Last Post:
LG 43UJ701 (EAX67166104) kapanıp açılıyor,
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27,486 | 375,148 |
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Troubleshooting Power Supplies and Power Supply Design
Technical discussion for power supplies. This covers PC supplies, and any other related power supply issue. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 4,190
Posts: 65,294
Last Post:
Welder not turning on - Learning
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4,190 | 65,294 |
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Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices
Technical questions about your defective laser or ink printer, plotter, copier, scanner, and other imaging & printing devices. This section also includes digital cameras. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 304
Posts: 1,675
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304 | 1,675 |
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Troubleshooting Audio Equipment
Technical discussion on audio equipment troubleshooting and installation. This can be anything from a home/car stereo, guitar amp, and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 2,338
Posts: 27,574
Last Post:
Galaxy Buds FE SM-R400
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2,338 | 27,574 |
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Troubleshooting Appliances and other Household Electronic Stuff
Technical discussion on household appliances & other household electrics & electronics; including troubleshooting and installation. This can be anything from a washer/dryer, dishwasher, microwave oven, other sordid kitchen electrics and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 226
Posts: 3,951
Last Post:
BOSCH Microwave CFA634 error E1006
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226 | 3,951 |
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Troubleshooting Game Consoles & Other Weird Devices
This can be anything from game consoles to arcade games to anything else that doesn't really fit into any of the above categories. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 1,008
Posts: 10,919
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1,008 | 10,919 |
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Equipment Usage, Soldering, Techniques, and Reviews
Technical discussions concerning soldering techniques, usage of test equipment, how it works, what's best, and some pointers in using it all.
Topics: 1,381
Posts: 19,466
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1,381 | 19,466 |
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Hi guys, this my first post but i want to be brief about it, i recently got a MBP L2013, the problem was that after some use the macbook shutted down randomly, at first i suspected to be the battery, and after connecting it with the charger i noticed that i didn´t shut, but after an hour or so it shutdown, after that i started searching a solution to my problem, but my brother tried to help me to find the problem and it that process to replicate the problem he reproduced a 4k video in multiple tabs and not much time after the macbook shutdown to never power again, what i noticed was that the...Today, 05:17 PM
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Hello, I have a question about electricity. Suppose I'm well insulated from ground and neutral, and the live wire of mains comes in touch with a wound in my finger, will this potential interfere with body voltages, hearth for example, or it will only go to its circuit return path ?
Thanks!Today, 02:12 PM -
I am trying to downgrade my bios on my Alienware so I can undervolt & overclock my CPU, and overclock my ram. I need to get to bios 1.2.2 for this. Dell doesn't allow downgrades, and their bios file is an exe compiled in c++, so I can't decompile it easily. I am wondering if I can flash the bios manually using a usb flasher. I would like to know if this is possible, and if so, where the bios chip would be. I know flashers are pretty cheap and the bios chip is 8-pin. There are two of these chips only when I open the back panel of the laptop. I'm not sure if there are any on the other side of...05-17-2024, 03:34 PM
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GOOD DAY,
I NEED HELP SOMEONE KNOWS WHAT CHARGING IC HANDLES THIS BOARD, IT IS FROM A LENOVO S410P, BUT I REMOVED THE INTEGRATED ONE AND IT IS IN VERY BAD CONDITION YOU CAN'T SEE THE LETTERS.
IT'S A "BQ"...Yesterday, 11:44 AM -
I bought a T12-958 recently with an M8 handle and until now it has worked very well. The tip wasn't earthed but that was easily resolved.
Now, whenever it is switched on, it heats up to about 70*C then shows an [INVER] error on the screen and stops. In order to fix it I have to either unplug and re-plug the handle, or unplug and re-insert the tip from the handle. While doing that it changes to [ERROR], then it finishes heating up and works perfectly. Until it's turned off, after which it will show [INVER] again next time it is turned on.
Any idea what the problem is?05-06-2024, 01:36 PM -
Hello to everyone.
My [B]W26361-W84-X-02[/B] motherboard starts but don't show image (no logo screen neither bios). Because, I have two of them I desoldered the bios chip from the no working motherboard and I soldered it to the working motherboard and the motherboard works OK, so the bios firmware isn't the problem. Below I took some measurements from the no working motherboard when is power on. Also, I replaced the RAM and didn't work again (maybe some pins from the RAM slot don't have the right voltage?). I replaced and the bios battery, and I made reset on the bios and again the problem...Today, 03:51 PM -
Hey all
I have a set of FE buds, the right side will not connect, I don’t believe it is even charging..I am able to connect and get audio through the left, the case appears to charge itself and the left correctly.
The left has ~1.3v between the pins, the right side has ~-0.7v ..
This is wonky, surely? My assumption would at least be the same charging voltage, even if the..
can someone confirm that the earbuds polarity is different?
I may try and inject 1.3v onto the charging pads of the right, if it will take even a little charge...Today, 11:13 AM -
Hey, I'm repairing a board from liquid damaged laptop, managed to get 5V and 3.3V rails up, some passives were corroded away. Only problem right now is no reaction to power button, there is no PCH_PWR_EN signal, DPWROK_EC is 2.5V, +1.0VALW is missing. Replaced KBC with brand new one, reprogrammed. No change. Any ideas? Schematic and boardview are available, attached them at the bottom. Boardview file can be opened by "BoardViewer" software.
Please don't mind the damage near UC4, it was caused by liquid damage and there is battery connector on the other side,...Today, 11:10 AM -
Hello Guys! I have trouble with my car radio Kenwood KDC 3051G I hope someone more knowledgeable can help me, I tried everything in my power that I stumbled upon online.
My radio is permanently in demo mode, it says Press Volume Knot Cancel Demo and when I press it nothing happens.
- Tried to unplug radio and plug it back in into power,
- Tried to reset radio by holding reset button key for 5,10,30 seconds while in power and without power, plugging it back in, it wouldn't work.
- Tried to hold 3,6 while turning it back on and then pressing 1,2...Today, 01:27 PM -
I can see the image in the background with a flashlight. I have 260V on LED+ and 90V on LED -. The backlights were acting weird with my tester so I pulled the panel and one LED does take about 2 seconds before it lights up but thats it. Is the voltage at the LED connector correct?...05-11-2024, 08:25 PM
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Hello, I have a question about electricity. Suppose I'm well insulated from ground and neutral, and the live wire of mains comes in touch with a wound in my finger, will this potential interfere with body voltages, hearth for example, or it will only go to its circuit return path ?
Thanks!Today, 02:12 PM -
Hi guys, this my first post but i want to be brief about it, i recently got a MBP L2013, the problem was that after some use the macbook shutted down randomly, at first i suspected to be the battery, and after connecting it with the charger i noticed that i didn´t shut, but after an hour or so it shutdown, after that i started searching a solution to my problem, but my brother tried to help me to find the problem and it that process to replicate the problem he reproduced a 4k video in multiple tabs and not much time after the macbook shutdown to never power again, what i noticed was that the...Today, 05:17 PM
-
Hello to everyone.
My [B]W26361-W84-X-02[/B] motherboard starts but don't show image (no logo screen neither bios). Because, I have two of them I desoldered the bios chip from the no working motherboard and I soldered it to the working motherboard and the motherboard works OK, so the bios firmware isn't the problem. Below I took some measurements from the no working motherboard when is power on. Also, I replaced the RAM and didn't work again (maybe some pins from the RAM slot don't have the right voltage?). I replaced and the bios battery, and I made reset on the bios and again the problem...Today, 03:51 PM -
Hey all
I have a set of FE buds, the right side will not connect, I don’t believe it is even charging..I am able to connect and get audio through the left, the case appears to charge itself and the left correctly.
The left has ~1.3v between the pins, the right side has ~-0.7v ..
This is wonky, surely? My assumption would at least be the same charging voltage, even if the..
can someone confirm that the earbuds polarity is different?
I may try and inject 1.3v onto the charging pads of the right, if it will take even a little charge...Today, 11:13 AM -
Good afternoon,
I'd appreciate help diagnosing my A2442 that's only taking 5v and 0a
This was my personal laptop and I had closed it at the end of a class and opened it in the next class when it just didn't wake up from sleep (The battery was charged). I connected a charger later that night and it booted right up but touch ID stopped working. The next day it did the same thing but never turned back on when I plugged in a charger.
I though the touch ID issue was weird but I'm not sure if that info helps.
When this happened months ago I tried to diagnose...Yesterday, 07:56 PM -
Hello everyone.
Here is the bypass solution for several Lenovo ECs.
This has worked on many ECs.
Only works if password is contained in EC
I succeeded on many models
[URL="https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/104872-lenovo-l15-gen-2-ryzen-password-removal-w-vertyanov-successor?p=3217086#post3217086"]https://www.badcaps.net/forum/troubl...86#post3217086[/URL]
[URL="https://www.youtube.com/channel/UCeF58jC2Bt_adKcguvynjeA"]https://www.youtube.com/channel/UCeF...t_adKcguvynjeA[/URL]...03-17-2024, 11:57 AM -
I need ds-7104hghi-k1 80388 firmware
my attached bios is password protectedToday, 08:42 AM -
Hi everyone!
Hope you're all having a great day, and thank you very much for stopping by and taking the time to read this post to help me with my parents' Samsung TV.
My issue: No backlight.
Model: QE82Q70RAT
Type No: QE82Q70RAT
The TV was already serviced by Samsung once under warranty for the exact same issue, but six months after the fix, the backlight went out again. Now, Samsung is asking for nearly the same price as a brand new TV to fix this with the same 6-month guarantee.
So hopefully, I can fix this cheaper.
...Yesterday, 06:56 AM -
Hey, I'm repairing a board from liquid damaged laptop, managed to get 5V and 3.3V rails up, some passives were corroded away. Only problem right now is no reaction to power button, there is no PCH_PWR_EN signal, DPWROK_EC is 2.5V, +1.0VALW is missing. Replaced KBC with brand new one, reprogrammed. No change. Any ideas? Schematic and boardview are available, attached them at the bottom. Boardview file can be opened by "BoardViewer" software.
Please don't mind the damage near UC4, it was caused by liquid damage and there is battery connector on the other side,...Today, 11:10 AM -
Hi all,
I sent my [B]ProArt Studiobook 16 OLED (H7600, 12th Gen Intel) [/B]to the local repair guys to have a very simple DC in port replaced. I sourced the part myself on accessoires-asus (french company) after struggling to find the right part in the UK. It looked completely the same to the installed part from what I can tell. Originally the only issue with the laptop was a bad / loose DC connection, and so the computer and battery acted completely normal aside from a very poor connection that would fail at certain angles. After the repair was completed I brought it home and used...05-21-2024, 08:16 AM