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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: 41,706
235 41,706
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: 3
Last Post: ncp81208 datasheet
1 3
xaruqui
by xaruqui
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: 3,183 Posts: 32,687
3,183 32,687
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: 4,493 Posts: 74,812
4,493 74,812
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: 3,964 Posts: 44,283
Last Post: TRIAC circuit
3,964 44,283
harp
by harp
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: 6,796 Posts: 37,212
6,796 37,212
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: 500 Posts: 5,437
500 5,437
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: 31,779 Posts: 302,838
31,779 302,838
Sub-Forums:
BIOS Requests ONLY! (12,661/152,381)
Schematic Requests ONLY! (4,720/28,377)
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: 5,319 Posts: 75,680
5,319 75,680
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: 27,433 Posts: 374,500
27,433 374,500
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: 4,178 Posts: 65,204
4,178 65,204
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: 301 Posts: 1,664
301 1,664
Morrisohbig
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: 2,317 Posts: 27,423
2,317 27,423
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: 223 Posts: 3,897
223 3,897
mon2
by mon2
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: 998 Posts: 10,862
998 10,862
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: 1,375 Posts: 19,369
1,375 19,369

What's Going On?

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There are currently 1215577 users online. 3685 members and 1211892 guests.

Most users ever online was 1,342,976 at 10:51 PM on Yesterday.

Badcaps Statistics

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Topics: 102,062   Posts: 1,267,446   Members: 491,711   Active Members: 16,401
Welcome to our newest member, AhmedBoukerym.

Latest Topics

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  • fuus
    Can I fit a UE49MU6470 Diffuser into a UE49NU7100K?
    by fuus
    Evening all,

    Long time no post!

    I have a UE49NU7100K here with the classic melted diffuser and damaged backlight from getting too hot. Locally there is a UE49MU6470 available which I could pick up to replace the melted diffuser. Would this work or am I missing something? They look like the same style of backlight.

    If this sounds good, where is the best place to buy a new backlight? Will I regret buying from Aliexpress?

    Thanks in advance for any help
    04-04-2024, 03:34 PM
  • sda sad
    my Xiaomi Notebook Pro X laptop fans work like crazy for no reason
    by sda sad
    Hope this is the right place, someone can help me.
    My laptop started having a really strange problem....
    When I turn it on the fans start working at a crazy rate and with random breaks...
    They can work for say 10 seconds and stop for 2 seconds and then turn on again for 5 etc...
    And it's from 0 to 100%. I tried to install AIDA and did the processor chip test and the graphics did not exceed 70 degrees and the fans were not even close to working at the power they work randomly.

    The model of the computer:
    Xiaomi Notebook Pro X 15 OLED (A30)

    ...
    04-23-2024, 09:55 AM
  • Vusal
    HP 450 G7 | DA0X8MMB6D0 need BIOS
    by Vusal
    Hello
    Backup files from
    But I think it's broken. I examined it with Hex editor.
    I wrote another BIOS from the internet.
    The image came but an endpoint security error came. and the sound driver was not installed. Yellow exclamation error appears from the sound driver
    Thanks​...
    Yesterday, 04:43 PM
  • rayshine03121408
    Need BIOS for ASUS TUF FX506
    by rayshine03121408
    Good Day Masters! Anyone can repair my BIOS Bin for ASUS TUF FX506?

    Model: ASUS TUF FX506
    Board Model: DABKXBMBAD0 REV.: D
    S/N: L8NRCX03B357346

    Thanks in Advance Masters!...
    Today, 02:44 AM
  • ballu
    Lenovo tablets boardview
    by ballu
    I need schematics and board view for these models. Please anyone got these files.
    Thanks

    lenovo miix 310-10icr boardview
    lenovo miix 320-10icr boardview
    lenovo d330-10igm boardview​
    Today, 03:37 AM
  • прямо
    TRIAC circuit
    by прямо
    Anyone is familiar with a TRIAC circuit?

    I came across this schematic, and I built it, but I can't seem to figure it out why I'm getting a low AC voltage output at the TRIAC terminals.

    With 230V AC hot side at the TRIAC MT2, I measured 60V AC between MT1 and neutral side when the comparator output LED indicator is on, and 20V AC when it is off.

    Same result if 230V AC hot side is at MT1, and I measured between MT2 and neutral side.

    My heating element doesn't work with 60V AC. It's not even getting hot and the thermocouple amplifier output is a...
    Today, 02:12 AM
  • guizmo1967
    Asus VG278 mosfet identification ?
    by guizmo1967
    Hello,

    My Asus monitor stop working today !! I found the problem on the main board, the power supply board is ok. It's Q9, a mosfet but I have no idea what are the specs since I don't have the schematic for that monitor !!

    Can someone help me identified this mosfet ?

    Thank you !
    04-16-2024, 01:15 PM
  • Felipe_Serra_83
    Dell Inspiron 14-5448 - fan turns off and mobo keeps running
    by Felipe_Serra_83
    Hi, everyone. First post of an actual repair. I'm a technician but a complete newbie with laptops.

    So I got this Dell Inspiron to play with.

    No charger, so I connected to my bench PSU.

    The laptop also didn't include: hard disk (I added one of my own for testing, see below) and wireless PCB (but I doubt this could have anything to do with this particular failure).


    ------What it did (and didn't do)------

    1) I turned it on and it powered on. Powered down in 2 seconds by itself.

    2) Removed RAM, changed slot. Same...
    04-04-2024, 12:39 PM
  • sarry86
    Hp Elitebook 1030 G1 power issue
    by sarry86
    Hello, I have this Hp pavilion 1030 G1 that starts with a single light on caps lock then it turns off, measurements at the coils, meter in resistance mode (not continuity mode) are as follows: The problem started just after it fell from a desk to the ground. I can't find a boardview or a schematic diagram anywhere, please help me 🙏

    1. 13k ohms
    2. 0.00 ohms
    3. 6.7 ohms
    4. 8.9 ohms
    5. 18.2 ohms
    6. 83.5 ohms
    7. 99.4 ohms
    8. 10.7k ohms
    9. 68.5 ohms

    [URL=filedata/fetch?id=3260316&d=1714132446][ATTACH=JSON]{"alt":"Click...
    Yesterday, 05:54 AM
  • NConstantinou
    Lenovo Yoga370 CIZS3 LA-E292P Identify parts
    by NConstantinou
    please someone help to identify part PQ512 . IT IS A SMALL mosfet and is burned out
    thanks
    Today, 12:11 AM

Trending

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  • ballu
    Lenovo tablets boardview
    by ballu
    I need schematics and board view for these models. Please anyone got these files.
    Thanks

    lenovo miix 310-10icr boardview
    lenovo miix 320-10icr boardview
    lenovo d330-10igm boardview​
    Today, 03:37 AM
  • rayshine03121408
    Need BIOS for ASUS TUF FX506
    by rayshine03121408
    Good Day Masters! Anyone can repair my BIOS Bin for ASUS TUF FX506?

    Model: ASUS TUF FX506
    Board Model: DABKXBMBAD0 REV.: D
    S/N: L8NRCX03B357346

    Thanks in Advance Masters!...
    Today, 02:44 AM
  • прямо
    TRIAC circuit
    by прямо
    Anyone is familiar with a TRIAC circuit?

    I came across this schematic, and I built it, but I can't seem to figure it out why I'm getting a low AC voltage output at the TRIAC terminals.

    With 230V AC hot side at the TRIAC MT2, I measured 60V AC between MT1 and neutral side when the comparator output LED indicator is on, and 20V AC when it is off.

    Same result if 230V AC hot side is at MT1, and I measured between MT2 and neutral side.

    My heating element doesn't work with 60V AC. It's not even getting hot and the thermocouple amplifier output is a...
    Today, 02:12 AM
  • PacoGT
    BIOS REQUEST HP ampbm-pt
    by PacoGT
    HELLO I need the bios file por this amd hp, the motherboard is on buy no video, and no voltajes in the processor
    i think que bios is bad or corrupted
    if you have the bios file backup thanks
    and my backup here [ATTACH=JSON]{"data-align":"none","data-size":"full","data-attachmentid":3260720}[/ATTACH]...
    Yesterday, 11:19 PM
  • tec3000
    Sony LED 65X9005A shuts down after few seconds - looking for help
    by tec3000
    Hi community! Germany calling I am wondering if you guys can help me out. I have an issue with my Sony LED TV. I've been told this is a good place to ask. Thanks for anyone who will reply and offer advice. Appreciated!

    I have a KD-65X9005A Sony 4k LED TV. For a few weeks I've got this problem where I turn on the TV and within a few seconds the TV starts getting darker until it shuts itself off and I get the 4 blinking error code. HOWEVER there is one exception: Whenever I switch to the i-Manual, a full screen on-screen instruction manual, the TV never turns off. I tested for hours!...
    03-20-2024, 07:29 AM
  • michdundee
    Samsung UE55H8000SZ with TCON BN41-02112A
    by michdundee
    Hi all,
    I'm facing a issue... hope you could help me. I have a T-CON board BN41-02112A from Samsung 55inch Curve TV.
    I have just only 2 status blue LEDs ON since LED3 is off. I have tried to test some test points but VON is NOT OK very close to 0V. Is there someone that can help me on the debugging the issue? I'm supplying the board from an external 12V voltage source. ​
    Thank you in advance.
    BR,
    Michele
    [ATTACH=JSON]{"data-align":"none","data-size":"full","data-attachmentid":3259938}[/ATTACH]...
    04-25-2024, 12:37 PM
  • SMDFlea
    Compal LA-E292P
    by SMDFlea
    Compal LA-E292P...
    Today, 03:29 AM
  • Txus3232
    INSPIRON 5570 bios maddeningly slow
    by Txus3232
    hi guys, i have dell inspiron 5570 with a maddeningly slow bios.
    specs are: service tag 6MSTDP2 CAL50/DAL10 LA-F115P REV: 1.0(A00) CORE I5 with radeon graphics
    When I turn on the computer it takes approximately 5 to 10 minutes to boot Windows, sometimes up to 15 minutes.
    That slowness is visible even within the bios menu. It seems as if the clock frequency has been reduced drastically
    I already tried some dumps that are in this magnificent forum, I also followed the tutorial by mr [B][URL="https://www.badcaps.net/member/237374-smdflea"]SMDFlea[/URL][/B]​ to...
    Yesterday, 03:20 PM
  • Repair Electronics
    ASUS RUF GAMMING
    by Repair Electronics
    Anyone know moatherboard ruf the blacklight fuse ? Where they are ? Is an AMD Ryzer 5 i spend couple of hours to fiind it and still not fiind nothing....the problem is once i connect the afaptor i have image but not blacklight..when i remove the adaptor and stay on battery i not have at all image...and i thing so is the fuse problem
    Yesterday, 08:29 AM
  • NConstantinou
    Lenovo Yoga370 CIZS3 LA-E292P Identify parts
    by NConstantinou
    please someone help to identify part PQ512 . IT IS A SMALL mosfet and is burned out
    thanks
    Today, 12:11 AM
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