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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: 234
Posts: 41,469
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234 | 41,469 |
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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: 3
Last Post:
ncp81208 datasheet
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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: 3,177
Posts: 32,635
Last Post:
Capacitance and voltage of tantalum?
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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: 4,491
Posts: 74,773
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4,491 | 74,773 |
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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: 3,959
Posts: 44,234
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3,959 | 44,234 |
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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: 6,768
Posts: 37,023
Last Post:
Bios XFX RX470 8GB Hynix memory
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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: 499
Posts: 5,433
Last Post:
Security camera linking remotely to NVR
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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: 31,645
Posts: 300,879
Last Post:
marshmallow mb 15257-2n 448.07N06.002N bios
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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: 5,314
Posts: 75,654
Last Post:
Dell 2408WFP wont power on
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5,314 | 75,654 |
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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: 27,407
Posts: 374,097
Last Post:
Samsung ue49mu6120
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27,407 | 374,097 |
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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: 4,169
Posts: 65,135
Last Post:
LC6685 based LED drivers
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4,169 | 65,135 |
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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: 300
Posts: 1,661
Last Post:
Hello Need DumpsFile for TS3150
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300 | 1,661 |
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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: 2,309
Posts: 27,384
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2,309 | 27,384 | ||||
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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: 219
Posts: 3,887
Last Post:
Siemens dryer iQ800 WT48Y780EU
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219 | 3,887 |
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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: 996
Posts: 10,836
Last Post:
XBOX ONE S - element identification
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996 | 10,836 |
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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: 1,373
Posts: 19,313
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1,373 | 19,313 |
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Team - Help identify SMD chip 38F on this system board from HP spectre - x360.04-10-2024, 03:10 PM
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See attached image. It says "X322" on it. This is a follow-up to my previous posted topic. The issue is upon lid closing, the screen turns off. When lid is opened, the screen remains dark.
This component is positioned right on the edge of the motherboard and has like a cradle made inside the case. I am assuming this component is used as a lid close sensor.
Please, help me identify it. Thank you....Today, 03:26 PM -
Hello
working on a2141 macbook, board number 820-01700 which has no wifi\bt and also no connection with LAN cable.
initial visual inspection the board looks good no visible corrosion or damage.
i found that PP3V3_G3S_X is shorted to ground (around 1.5ohm short)
and also PP3V3_GS3_WLAN i shorted to ground (same ohm reading, around 1.5ohm).
the board is working but no WIFI\BT as i mentioned.
with the usb c cable connected for measurement i noticed U8215 i getting EXTREMELY HOT
so i pulled it out figuring it might be causing the...Yesterday, 01:18 PM -
Hi. Need BOARDVIEW for Lenovo Flex 5-14ARE05.
LC55-14A
19793-1M.
448.0K03.001M
Please and thank you.Today, 04:14 PM -
Hi as you can see from title, I have a samsung tv here that will show the smart tv logo and then no picture after that even hitting input or menu on remote and shows nothing but the backlight still appears to be on. The tv will turn itself off after a minute or so automatically. I'm somewhat confused if this is either a eeprom problem or a bad led strip problem. The power supply makes a pretty noticeable humming sound when it's turned on leading me to believe one of the leds are shorted but idk honestly. Any of you guys have any help for me? I have a good multi meter and can take pictures of whatever...04-13-2024, 10:05 PM
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TV philips 55'' no backlight (image ok).
I tested the backlight with my led tester from the unplugged connector cable and it lights up. I had voltages at the motherboard connector, but anyway I order a new psu. Same problem, same voltages. Disassembled the TV and checked every strip with my led tester, they all light up, same voltage for every pair of strip (they go two by two).
What am I missing?
And something else I don't understand. I checked and I have 3v Leds, 10 per strips. Why every pair of strip (so 20 Led) take about 32v when powered up with my led tester 🤔Today, 03:47 PM -
hi to all in this tv i have problem with the colours you can see on the video from normal changed to purple
is like solarized picture on your opinion and caused from gamma ic or is display?
thanks on advance...04-14-2024, 12:18 PM -
Hi I'm looking for working bios and ec for HP ProBook 455 G9, motherboard [I]DAX9SFMB8A0 REV:A[/I]Hi I'm looking for working bios and ec for HP ProBook 455 G9, motherboard [I]DAX9SFMB8A0 REV:A[/I]Hi I'm looking for working bios and ec for HP ProBook 455 G9, motherboard [I]DAX9SFMB8A0 REV:A[/I]Today, 08:38 AM
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Machine Type Model 21HJS26M00
I need assistance with trying to remove the BIOS supervisor password. Set sup. password , booted into bios and it accepted password. Starting installing Windows from USB then had to force power off the device. Now it will not accept password. Is there a way to remove the password?04-12-2024, 02:08 PM -
Find a dump for this type or fix this
matherboard : LA-K971P REV:1a...04-14-2024, 08:11 AM
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See attached image. It says "X322" on it. This is a follow-up to my previous posted topic. The issue is upon lid closing, the screen turns off. When lid is opened, the screen remains dark.
This component is positioned right on the edge of the motherboard and has like a cradle made inside the case. I am assuming this component is used as a lid close sensor.
Please, help me identify it. Thank you....Today, 03:26 PM -
TV philips 55'' no backlight (image ok).
I tested the backlight with my led tester from the unplugged connector cable and it lights up. I had voltages at the motherboard connector, but anyway I order a new psu. Same problem, same voltages. Disassembled the TV and checked every strip with my led tester, they all light up, same voltage for every pair of strip (they go two by two).
What am I missing?
And something else I don't understand. I checked and I have 3v Leds, 10 per strips. Why every pair of strip (so 20 Led) take about 32v when powered up with my led tester 🤔Today, 03:47 PM -
Hi., I am working on this motherboard MB:marshmallow mb 15257-2n 448.07N06 . 002N ... The required voltages (3.3v, 5V) are ok but the pressing the ON/OFF button does not turn on the laptop. I just noticed that someone messed up with the BIOS. Anyway I was able to read the BIOS, uploaded it. Kindly if some can re-build the BIN files, Model Hp ENVY x360 15-aq100nx , Serial # 8CG710266V, thanks in advance....Today, 02:36 PM
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Hi. Need BOARDVIEW for Lenovo Flex 5-14ARE05.
LC55-14A
19793-1M.
448.0K03.001M
Please and thank you.Today, 04:14 PM -
Please 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
[B]LINK to Schematic[/B] -> [url]https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/schematic-requests-only/77167-required-t480-nm-b501-schematic[/url]Please help friends, thinkpad t480 nm-b501...Today, 08:34 AM -
Hi,
Sooo - our IT got a pile of old iPads that the sales guys have been mistreating. These are free for grabs if you want to try to get one working. Thought I'd give it a try - if I get at least some life to I can give to my kid to entertain during a car rides.
But the iPad it self - its a 5th gen cellular model. When I initially plug it in it was completely dead. It was not recognized by my Mac nor it started to charge. Disassembled it opened up the battery connector and checked the battery voltage. My multimeter showed 0,7v. Had a spare micro-usb charging board lying...Yesterday, 12:51 PM -
Hello Im renovation a Luxman R-5045
On the attached picture there is a cap 0.047uF (47nF) and a resistor, 10ohm. What is their purpose ? and what would happend if I were to replace the caps with lets say, 10nF or 100nF ?
because thats what i got in stock :/
[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"566","title":"0,047 uF.jpg","width":"829","data-attachmentid":3253926}[/ATTACH]Hello Im renovation a Luxman R-5045
On the...Today, 12:37 PM -
I am working on a HP Pavilion 27-d0010nd that has dark screen. It appears that the backlight is not working.
Now i discovered that the backlight circuit is on the scalar board and has a burnt mosfet. (caused by a ceramic capacitor short).
If anybody can help me identify the partnumber it would be a very great help.
The board number is:
L76838-001
L99794-001
BigBen Scalar board.
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3253797}[...Today, 07:53 AM -
Got this massive TV and tested they backlights and they were out. Took it all apart and replaced them. Put it back together and boom they work! I then run it for many hours and all still working. I then needed to factory reset to pass on to next person and...
I factory reset and it shows Hisense logo fully lit up, then Google logo for a couple of seconds and forces shut off. Now that's all the TV does. Hisense, Google logo force shutoff. How is this possible.. anyone have some experience or advice for this. All I can think is somehow I got a software corruption which is ridiculous...Yesterday, 07:31 AM -
Hello, my apologies for reviving this thread. I have a 8gen NUC with a (possibly?) dead bios - the fan starts up, slows down, but it doesn't show any picture (recovery button doesn't work either). The dump is attached.
Could anybody please help me with fixing it? I am not able to find any BIOS dumps for this model anywhere.
[B]S/N:[/B] BTDN9320085T
[B]Model: [/B]BLKNUC7i7DNKE
Thank you so much!
Hello, my apologies for reviving this thread. I have a 8gen NUC with a (possibly?) dead bios - the fan starts up, slows down, but it doesn't show any picture (recovery...
Today, 07:02 AM