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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: 234
Posts: 41,464
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234 | 41,464 |
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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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1 | 3 |
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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: 32,634
Last Post:
Nvidia 790i Ultra Bad Caps Causing Problems?
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3,177 | 32,634 |
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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: 6,767
Posts: 37,022
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6,767 | 37,022 | ||||
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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: 499
Posts: 5,433
Last Post:
Security camera linking remotely to NVR
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499 | 5,433 |
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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: 31,644
Posts: 300,879
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31,644 | 300,879 |
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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: 5,313
Posts: 75,652
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5,313 | 75,652 |
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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: 2,308
Posts: 27,382
Last Post:
Onkyo TX-DS575
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2,308 | 27,382 |
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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: 3,886
Last Post:
Siemens dryer iQ800 WT48Y780EU
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219 | 3,886 |
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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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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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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...Today, 08:34 AM -
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 -
"I heard that a blue LED has different voltage values than green and red ones. Green and red ones are easily replaceable, but how do I do that with the blue one?"
"I have to use the blue one, because green means fully charged and blue means charging."
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"20240415_172809.jpg","data-attachmentid":3253246}[/ATTACH]...Yesterday, 09:59 AM -
Hello. Notebook Fujitsu Lifebook U729, motherboard CP761853-X3. Please help to recognize 5-leg component. Marking: high line "Dot K", middle line "A7", low line 72. Near edp connector. Photos attached. thank you.04-11-2024, 05:27 AM
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Hi This board turns on
after starting consumes 0.09 Amps
3.3 and 5 volts ok
1.5 present at LP16
1.7 Present at PL 15
1.05 Present at PL 17
.9 Present at PL23
no other power reading
Tried to bios flashing ,came to know U31 bios chip pin 7 is found open, Replaced chip/flashed , still same condition
Thanks for Helping03-22-2024, 02:23 AM -
Hi,
I'm learning about motherboard repair and I believe I've traced the issue down for the South Bridge on the particular motherboard I'm working on. My path of concluding that:
- There's no sign of any attempt to power on when pushing the power button.
- No PSON signal is reaching the 24-pin ATX connector.
- The Super IO chip is receiving the PS_SWITCH signal from the power button and is relaying this signal back to the South Bridge.
- The Super IO is not receiving the S_SLPS#_R signal back from the South Bridge
- If I pull the Super IO S_SLPS#_R pin...Today, 09:36 AM -
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 -
Hey guys, bit stumped with this laptop after replacing 2 blown components i.e., MP86493, MP2979A.
To begin with, this laptop was dead-dead.
Now with replaced (visibly) blown components, i do get some progress; after connecting battery or main cable;[LIST][*]am getting white power led[*]5-long-flashes on CAPS Lock and NUM lock[*]then, fan full speed[*]CPU heats up some (smaller die PCH, does not)[*]always constant black screen no matter what's tried[*]no USB recognition[*]no HDMI output[/LIST]this is as far as I can get with it and not sure where to inspect next ?
...03-27-2024, 03:13 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
-
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...Today, 08:34 AM -
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 -
Hi,
I'm learning about motherboard repair and I believe I've traced the issue down for the South Bridge on the particular motherboard I'm working on. My path of concluding that:
- There's no sign of any attempt to power on when pushing the power button.
- No PSON signal is reaching the 24-pin ATX connector.
- The Super IO chip is receiving the PS_SWITCH signal from the power button and is relaying this signal back to the South Bridge.
- The Super IO is not receiving the S_SLPS#_R signal back from the South Bridge
- If I pull the Super IO S_SLPS#_R pin...Today, 09:36 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 -
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
-
LENOVO LEGION 5 PRO 16ITH6H
S/N PF2RCD7F
MTM 82JD000WRM
The laptop won't start. It reads the power button, keyboard lights up, it charges, but no display.
Need a working bios.
Thanks!Today, 06:14 AM -
Hello everyone!
I have a HP 14-dv0058nf;
S/N. 5CD1290M9P
Motherboard: DA0G7GMB8F0 REV.F
The laptop turns on and the power light also turns on. I think the problem is the BIOS
Can anyone get the correct bios so I can test?
Old Bios attached
Thanks!...Today, 08:10 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 friends.
I need bios on Thunderobot 911x (or Hasee s8d6) DANLXBMB8C0 REV: C NLXB
ThanksToday, 01:10 AM -
hi,
someone have bios for lenovo m80q tiny 11DQ?
please help
Today, 03:21 AM