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Directory Topics Posts Last Post
Badcaps Capacitor & Electronics Repair Forum
Frequently Asked Questions (No Posting)
All new members, PLEASE READ HERE FIRST! Posting only allowed by established members.
Topics: 45 Posts: 733
45 733
Announcements & Related News
Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!
Topics: 235 Posts: 42,645
235 42,645
Document & Software Archive
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
1 4
BAKEEL1990
General Topics
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: 3,193 Posts: 32,742
3,193 32,742
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: 4,508 Posts: 74,901
4,508 74,901
Troubleshooting Hardware & Devices and Electronics Theory
General Electronics Technical Discussion
If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.
Topics: 4,001 Posts: 44,599
4,001 44,599
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: 6,916 Posts: 37,825
6,916 37,825
Sub-Forums:
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: 502 Posts: 5,460
502 5,460
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: 32,385 Posts: 310,123
32,385 310,123
Sub-Forums:
BIOS Requests ONLY! (12,917/157,111)
Schematic Requests ONLY! (4,837/28,978)
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: 5,333 Posts: 75,754
5,333 75,754
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: 27,518 Posts: 375,406
27,518 375,406
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: 4,199 Posts: 65,392
4,199 65,392
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: 308 Posts: 1,692
308 1,692
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: 2,347 Posts: 27,619
2,347 27,619
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: 228 Posts: 3,956
228 3,956
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: 1,027 Posts: 11,028
1,027 11,028
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: 1,382 Posts: 19,502
1,382 19,502

What's Going On?

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There are currently 451189 users online. 4599 members and 446590 guests.

Most users ever online was 1,342,976 at 10:51 PM on 04-26-2024.

Badcaps Statistics

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Topics: 103,098   Posts: 1,278,649   Members: 500,426   Active Members: 18,390
Welcome to our newest member, Spasty.

Latest Topics

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  • CuriousJohn
    Bowflex nautilus firmware woes
    by CuriousJohn
    Hi Folks i dont post much but i have need today please read on and maybe we can get these things sorted.

    I am on a health drive and last week bought a Bowflex max M7 to push on with my desire to get fitter but it was bought with a none functional "console screen" though the screen is dead the machine still works fine you can adjust the resistance manually like a bicycle brake adjustment it is cable fed but i want the programs and heart rate/calorie functions for my health drive. A new console is available but im getting quoted £520 or thereabouts and Bowflex as of yet have...
    Today, 06:41 AM
  • Nicktronic
    Sony XBR-52LX900 BL_ERR
    by Nicktronic
    Hi all, just curious if the BL_ERR signal is active high or low? TV has the 6 blink error code and I've changed the backlights as they tested questionable (4 strips tested - 203VDC, 203VDC, 203VDC and 175VDC). The new strips all tested at 175VDC. Now when I turn it on, it tries twice to come up and then the 6 blink code. During the this time the BL_ERR pin is high and drops low momentarily, then does it again on the 2nd try to boot (so Im assuming active low). The other thing is the backlight voltage ramps to ~280VDC from around ~160VDC and then back down as the TV tries to boot again. Does...
    06-03-2024, 07:30 PM
  • rattale
    MSI X 470 gaming plus max boardview & schematic needed
    by rattale
    Hi everyone. Please can someone share boardview & schematic for MSI X 470 gaming plus max model MS-7B79 ver 3.1 and thanks.
    Today, 04:39 PM
  • ivtec
    Single Pole switch for audio help
    by ivtec
    Hi guys i built a small 6 watt audio amp for my PC but did not put a sound switch on it, but i need to put a 2 pole switch between amp and speakers on the cable itself , do i use the positive side or negative side? .Thanks
    Today, 01:00 PM
  • Gjackson
    Question about UE60JU6800K backlight power.
    by Gjackson
    Hi all,

    got my hands on a Samsung UE60JU6800K, initially it apparently had a bunch of white circles on screen which I confirmed was due to loose diffusers when I opened the set up and found a mountain of them at the bottom. The person I got if from stored the TV unused for a lengthy period after this so when I got it the backlight was completely gone. I took out the strips and almost all of the LED's have a crack on the yellow phosphor form the center of the LED outward, the ones that don't have this crack seem to work still (Maybe due to humidity after a long period?). Anyways I...
    Today, 06:03 AM
  • Stigsolbjerg
    Gardena lawnmowerrobot mainboard, short out battery
    by Stigsolbjerg
    hi again
    this time its a mainboard from a mowerrobot, when i connect battery it shorts it, so the bms shuts down battery.
    when take the mm in beepmode and measure from the positive to the negative battery terminal on the board it beeps shortly like 0,25 sec, and when i reverse the probes it beeps again shortly 0,25 sec.
    when i mesure on the cap thats missing in pic nr 2, the bottom solderpath goes to the negative, the upper one is 1,2 ohm to negative is this a short?

    hope Capleaker is still around
    05-27-2024, 02:33 PM
  • Salem Aboshala
    820-00138-A got image but no backlight
    by Salem Aboshala
    Dears, this is my first post here and first try to fix my own laptop Apple MacBook Pro Retina 15-inch Mid 2015.
    I have some general electronics troubleshooting experience and still as my hoppy but this is my first laptop trying to fix.

    History: my laptop backlight stopped working without any reason.
    Symptoms:
    I have image on screen using my flashlight.
    I have fully working laptop with the help of my external SAMSUNG LED tv via HDMI cable.
    Keyboard backlight still working and can be adjusted normally.

    Since two days I tried to follow all similar...
    Today, 03:02 PM
  • Arc717
    How do I flash bios to an Alienware M16 R1 AMD edition?
    by Arc717
    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
  • Stunt
    Lenovo IdeaPad L3-15ITL6 NM-D511 REV 1.0 Bios unlock
    by Stunt
    Hi guys i've got IdeaPad L3 -NM-D511 REV 1.0 with bios password.
    Can someone please help me and remove the password .
    S/N PF3J4LRQ
    [ATTACH]n3288464[/ATTACH]...
    Today, 01:17 PM
  • danny1ro
    Testing motherboard VRM without CPU
    by danny1ro
    Hey guys, I'm new here and I'd like to say thanks for all the knowledge on this forum first of all.
    I am learning electronics repair, been fixing GPUs and laptops mainly until now, and I'm slowly trying to fix desktop motherboards now.
    I had a few successes until now, but I messed things up with one of my recent attempts, namely a Gigabyte H410M S2 with which I burned my test cpu.
    I had identified a mosfet which was burned, removed it, cheched for shorts and I didn't find any.
    When the new mosfet came, I put it on the board and checked for shorts again and didn't find any....
    06-08-2024, 08:38 AM

Trending

Collapse

  • Salem Aboshala
    820-00138-A got image but no backlight
    by Salem Aboshala
    Dears, this is my first post here and first try to fix my own laptop Apple MacBook Pro Retina 15-inch Mid 2015.
    I have some general electronics troubleshooting experience and still as my hoppy but this is my first laptop trying to fix.

    History: my laptop backlight stopped working without any reason.
    Symptoms:
    I have image on screen using my flashlight.
    I have fully working laptop with the help of my external SAMSUNG LED tv via HDMI cable.
    Keyboard backlight still working and can be adjusted normally.

    Since two days I tried to follow all similar...
    Today, 03:02 PM
  • Stunt
    Lenovo IdeaPad L3-15ITL6 NM-D511 REV 1.0 Bios unlock
    by Stunt
    Hi guys i've got IdeaPad L3 -NM-D511 REV 1.0 with bios password.
    Can someone please help me and remove the password .
    S/N PF3J4LRQ
    [ATTACH]n3288464[/ATTACH]...
    Today, 01:17 PM
  • Dge
    GuestView Guide DS1-VR01S BIOS Password
    by Dge
    Hi,

    I purchased one of those units for a project and the BIOS is password protected. I was able to dump the BIOS (Insyde), it's 8MB. Tried various ways to clear up the pwd to no avail. Hoping someone can figure out how to bypass it.

    Thanks!
    Today, 07:50 AM
  • ivtec
    Single Pole switch for audio help
    by ivtec
    Hi guys i built a small 6 watt audio amp for my PC but did not put a sound switch on it, but i need to put a 2 pole switch between amp and speakers on the cable itself , do i use the positive side or negative side? .Thanks
    Today, 01:00 PM
  • rattale
    MSI X 470 gaming plus max boardview & schematic needed
    by rattale
    Hi everyone. Please can someone share boardview & schematic for MSI X 470 gaming plus max model MS-7B79 ver 3.1 and thanks.
    Today, 04:39 PM
  • EazyBone
    LG 75UH8500 color static frozen
    by EazyBone
    Got a LG with color static frozen. Doesn't move just stays on this picture. I'd assume it's main board but I'm sure one of you has seen this before. Any data helps thanks...
    Yesterday, 09:35 AM
  • Ismail-U50
    HP Probook x360 11 g3
    by Ismail-U50
    Please i need help on clear me bios file. here down the info stated down.
    HP Probook x360 11 G3 GEE
    Balos-6050a3009601 A01
    ProdID: 7QW17UP#ABA
    SN#: 5CG9430YB6...
    Today, 07:53 AM
  • titomno2
    Acer A315-41G similar to AN515-42, AC OK Battery OK but not charging
    by titomno2
    Hi guys,
    I currently trying to figure out why the laptop of my friend did not charge.
    It is a Acer AN515-42 (Ryzen 5 2500U), I manage to make it works on AC and battery but no charging.
    At first it was not working on Battery, I discovered that PQ201 was knocked off and replace it => work on battery precharged on another computer.
    I also checked the small resistors between PQ312 and PQ201 and even if they are ugly values are OK.
    My issue, when I plug the charger computer off, it drains 0.25A during few seconds with amber light on (charging) then amber light blinks...
    Today, 11:52 AM
  • CuriousJohn
    Bowflex nautilus firmware woes
    by CuriousJohn
    Hi Folks i dont post much but i have need today please read on and maybe we can get these things sorted.

    I am on a health drive and last week bought a Bowflex max M7 to push on with my desire to get fitter but it was bought with a none functional "console screen" though the screen is dead the machine still works fine you can adjust the resistance manually like a bicycle brake adjustment it is cable fed but i want the programs and heart rate/calorie functions for my health drive. A new console is available but im getting quoted £520 or thereabouts and Bowflex as of yet have...
    Today, 06:41 AM
  • Gjackson
    Question about UE60JU6800K backlight power.
    by Gjackson
    Hi all,

    got my hands on a Samsung UE60JU6800K, initially it apparently had a bunch of white circles on screen which I confirmed was due to loose diffusers when I opened the set up and found a mountain of them at the bottom. The person I got if from stored the TV unused for a lengthy period after this so when I got it the backlight was completely gone. I took out the strips and almost all of the LED's have a crack on the yellow phosphor form the center of the LED outward, the ones that don't have this crack seem to work still (Maybe due to humidity after a long period?). Anyways I...
    Today, 06:03 AM
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