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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!!
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236 42,566
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: 2 Posts: 5
Last Post: ncp81208 datasheet
2 5
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: 3,195 Posts: 32,744
3,195 32,744
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: 4,509 Posts: 74,899
4,509 74,899
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: 3,996 Posts: 44,561
3,996 44,561
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: 6,909 Posts: 37,785
6,909 37,785
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: 5,459
502 5,459
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: 32,326 Posts: 309,418
32,326 309,418
Sub-Forums:
BIOS Requests ONLY! (12,889/156,525)
Schematic Requests ONLY! (4,827/28,913)
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: 5,331 Posts: 75,748
5,331 75,748
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: 27,509 Posts: 375,343
Last Post: Eeprom dump thread!
27,509 375,343
nitsuga
by nitsuga
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: 65,370
4,199 65,370
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: 1,691
308 1,691
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: 2,344 Posts: 27,611
2,344 27,611
darrjoh1
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: 3,944
228 3,944
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: 1,023 Posts: 11,000
1,023 11,000
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: 19,500
1,382 19,500

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There are currently 480952 users online. 3896 members and 477056 guests.

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

Badcaps Statistics

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Topics: 103,012   Posts: 1,277,643   Members: 499,568   Active Members: 18,278
Welcome to our newest member, pillo.

Latest Topics

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  • sauce
    HP x360 1030 G2
    by sauce
    Hi,

    I have this laptop HP x360 1030 G2.

    Battery is charging well, the laptop powers on the CPU gets warm but nothing on the internal screen or hdmi.

    The fan is spinning at full speed.

    Any idea ?

    I just asked for a schematic i cannot find it.
    05-30-2024, 05:25 AM
  • DARNO786
    T460P power on password removl
    by DARNO786
    i have a t460p with a power on password . Can it be removed?


    sn: PF-0MRY7Y TYPE:20FX-S08N00...
    Today, 12:01 PM
  • Prott
    [RoG Ally] Fault in one of the onboard RAM chips. Any way to diagnose which?
    by Prott
    Hello dear badcappers!

    The title pretty much says it all - do you, please, know if there's any way to troubleshoot which of the integrated RAM chips (LPDDR5X in this case) is faulty?

    [B]Backstory: [/B]
    After replacing the 4 onboard (soldered) memory chips on a RoG Ally (4x4 GB to 4x8 GB) it got stuck on the RoG logo. I assume one of the chips is either not soldered properly or faulty. However after reflowing and replacing bunch of them I am still stuck at the same place.

    If there is a way to narrow down which memory module is faulty it would make my...
    06-03-2024, 12:05 PM
  • Bonecr7
    need BIOS and VBios Acer Nitro AN515-54
    by Bonecr7
    La Acer encendia y se apagaba al limpiar ME solo enciende sin imagen se iluminan led del teclado solamente y ventiladores giran, revise Vbios y aparentemente todo ok solo que en el esquema me aparece que es de 8mb pero solo me pesa 1mb, igual dejo el backup tanto del bios de 16m y el Vbios de 1MB.

    Model: Acer Nitro AN515-54-78E0
    SNID: 04806046834
    S/N: NHQ5BAL0060480EC343400




    Use Traductor
    The Acer turned on and off when cleaning ME, it only turns on without an image, only the keyboard LED lights up and the fans rotate, I checked Vbios...
    Today, 01:48 PM
  • repair-it
    Midea Control Board from Home Depot MiniSplit
    by repair-it
    I am trying to determine what these components are, used a jumpers. I am not sure if they are ferrite or something else. Board ID is EU-KFR80W/BP3(IR311+PS21997+SIM6822+LOCK).D.13.WP2-1. A service tech shorted the area underneath these components, which were covered in carbon. They are also used in another place on this pcb but I'm not sure what they are. I have not removed them to measure yet. They do not have a label on them.
    Today, 01:28 PM
  • Tlamatini
    BIOS ROG Zephyrus M16 GU603ZW
    by Tlamatini
    Hello everyone.
    Sorry for the request, but i need a dump bios for this laptop
    ROG Zephyrus M16
    on the back: GU603ZW-M16.I93070T
    SN: N4NRKD036371164
    On the motherboar:GU603ZX_MAINBOARD R2.1(X16)
    I'll attach the original dump and the mobo model and laptop model photo.
    I'll apreciate so much your help.
    Thank you so much in advance....
    Today, 12:06 PM
  • Washington Santana
    Samsung Chromebook 4 BA41-02783D REV: 1.4 bios
    by Washington Santana
    goodnight . I have a Samsung Chromebook 4 that has a corporate lock and I can't use it. If someone can give me a bios without the lock
    model: BA41-02783D REV: 1.4
    JAN-11/15 MAIN
    XE310XBA-KT3BR​
    05-29-2024, 07:38 PM
  • jetuaime81
    nacon ps4 wired controller faulty LED and trigger pot
    by jetuaime81
    I have a nacon controller which has some fancy RGB ring (4 RGB LEDs). 3 of 4 leds are not good and I am looking for a replacement. The size I measured is 3mm x 2.5mm and it seems a 3528 led would fit fine, and it's in common anode. But I am not sure what wattage it is. I have attached photos of led and driver ic (ak63rq1 I think).

    Also one of the triggers is malfunctioning sometimes, I don't know what these pots are called. I measured across the 1st and last legs (in circuit) seems to be 1.1kohm pot. I found some xbox controllers have this but they are 10k. Any info?...
    06-05-2024, 08:28 PM
  • bohaboha
    Hilti Battery B22 4.0 blink green but not responding
    by bohaboha
    The HILTI CPC battery flashes green but no tool starts or works. when testing the battery has 19.2v what could be the problem with them because I have three similar ones but there is nothing written on them all the patches are removed in the first B22 /4.0 with 19.2v the second one B22 /5.2 with 21.8v the third B22 /4.0 with18.3v are all three destroyed ? a bit difficult to believe have also tried other Hilti tools the same thing if someone who can help very grateful...
    06-03-2024, 08:05 AM
  • swerg
    Part selection for possible blown inductor on ASUS GX531-GW-AB76 laptop mobo
    by swerg
    Hey everyone,

    I'm a novice trying to repair my laptop. The LCD screen has an image, but no LED backlight for the image. It also produces an image when connected to an external monitor.
    I have found what I believe to be a blown inductor labeled "L4502" and "120 Ohm" in the schematics (zoomed in image, blue arrow to blown component). I have included an image of the general area of the mobo and an excerpt from the schematics as well.
    I am having trouble selecting a replacement component, which I believe to be a 120 Ohm ferrite bead, from the components...
    Yesterday, 03:39 PM

Trending

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  • Tlamatini
    BIOS ROG Zephyrus M16 GU603ZW
    by Tlamatini
    Hello everyone.
    Sorry for the request, but i need a dump bios for this laptop
    ROG Zephyrus M16
    on the back: GU603ZW-M16.I93070T
    SN: N4NRKD036371164
    On the motherboar:GU603ZX_MAINBOARD R2.1(X16)
    I'll attach the original dump and the mobo model and laptop model photo.
    I'll apreciate so much your help.
    Thank you so much in advance....
    Today, 12:06 PM
  • DARNO786
    T460P power on password removl
    by DARNO786
    i have a t460p with a power on password . Can it be removed?


    sn: PF-0MRY7Y TYPE:20FX-S08N00...
    Today, 12:01 PM
  • Bonecr7
    need BIOS and VBios Acer Nitro AN515-54
    by Bonecr7
    La Acer encendia y se apagaba al limpiar ME solo enciende sin imagen se iluminan led del teclado solamente y ventiladores giran, revise Vbios y aparentemente todo ok solo que en el esquema me aparece que es de 8mb pero solo me pesa 1mb, igual dejo el backup tanto del bios de 16m y el Vbios de 1MB.

    Model: Acer Nitro AN515-54-78E0
    SNID: 04806046834
    S/N: NHQ5BAL0060480EC343400




    Use Traductor
    The Acer turned on and off when cleaning ME, it only turns on without an image, only the keyboard LED lights up and the fans rotate, I checked Vbios...
    Today, 01:48 PM
  • repair-it
    Midea Control Board from Home Depot MiniSplit
    by repair-it
    I am trying to determine what these components are, used a jumpers. I am not sure if they are ferrite or something else. Board ID is EU-KFR80W/BP3(IR311+PS21997+SIM6822+LOCK).D.13.WP2-1. A service tech shorted the area underneath these components, which were covered in carbon. They are also used in another place on this pcb but I'm not sure what they are. I have not removed them to measure yet. They do not have a label on them.
    Today, 01:28 PM
  • joel9922
    requesting bios for G16 7630
    by joel9922
    hi there can i request for bios for G16 7630 32mb








    service tag: B2XK904...
    Today, 04:06 AM
  • martin86
    HP Probook 640 g8 break Fuse / Flashing BIOS with 5V instead auf 3,3 CH341A
    by martin86
    Hi,

    i had a HP 640 G8 with a DA0X8AMB8E0 Board. I would Flash the BIOS, but i used a CH341A Programmer with 5V instead auf 3,3. Then I thought the BIOS was now defective. I have already replaced it with a new one (flashed the same BIOS).

    With the new chip, the notebook has the same error. The charging port lights up once and then goes out again. The notebook does nothing more.

    I iced the board with a cooling spray to possibly find a chip that gets hot or has a short circuit. Unfortunately, I didn't find any. I suspect a fuse might have blown. Does anyone...
    Today, 02:47 AM
  • konare
    lenovo ideapad 5 pro 14cn6 bios bin
    by konare
    Hi
    I have lenovo ideapad 5 pro 14cn6 which is not displayed
    S/N: MP2618x​...
    Today, 05:46 AM
  • pastorello
    BIOS request for Acer A315-510P Notebook (Motherboard: nb6301a_mb_v3)
    by pastorello
    Hello,

    I need the BIOS for the Acer A315-510P with the nb6301a_mb_v3 motherboard. Notebook is not turning on and everything indicates that the bios is corrupted, if you could send me a backup​
    Yesterday, 03:22 PM
  • abajor
    A1707 820-0098 5V power loop all USB-C except one jack, and strangeness after replacing the one bad CD3215C.
    by abajor
    I have this 1707 with the 5V 0A power loop issue on 3 of the jacks.
    One of the CD3215C00 had corrosion under one side U3100 to be precise.
    This USB jack was drawing ~.2A and not boot looping.

    After replacing the CD3215 I am having an odd problem. I can rotate the USB-C and it only works in one orientation. And now it boot cycles, like the other usb channels so I'm part way there.

    After looking at the schematic and board view. It makes very little sense that this is happening since they both pin 59 and pin 60 both go to the same places on J3300.
    ...
    Yesterday, 08:02 PM
  • s_henya
    Imac 2012 format
    by s_henya
    Hi guys,

    Just found this old but nice IMac 2012.
    current user had a password which i dont know.
    i want to format it and do a clean IOS installation.
    i tried command. + R after powering on but it didn’t do anything and IOS continued to load.
    i tried the online recovery but it gave me denied icon after connecting to the Wifi.

    is there any working method to format it?
    guess i can take the long way of ordering the prying tools and format the hdd using another pc.
    but i was hoping for another quicker solution....
    Today, 06:37 AM
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