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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!!
Topics: 236 Posts: 41,796
236 41,796
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: 3,183 Posts: 32,691
3,183 32,691
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: 4,498 Posts: 74,821
Last Post: Windows 10 key?
4,498 74,821
ron350
by ron350
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: 3,969 Posts: 44,313
3,969 44,313
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: 6,804 Posts: 37,260
6,804 37,260
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: 501 Posts: 5,444
501 5,444
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: 31,835 Posts: 303,387
31,835 303,387
Sub-Forums:
BIOS Requests ONLY! (12,687/152,807)
Schematic Requests ONLY! (4,728/28,438)
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: 5,321 Posts: 75,700
5,321 75,700
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: 27,444 Posts: 374,648
27,444 374,648
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: 4,180 Posts: 65,223
4,180 65,223
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: 1,665
Last Post: Epson l3110 dump
301 1,665
hardwaretaj
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: 2,320 Posts: 27,437
2,320 27,437
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: 222 Posts: 3,898
222 3,898
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: 1,001 Posts: 10,868
1,001 10,868
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: 1,376 Posts: 19,385
1,376 19,385

What's Going On?

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There are currently 313063 users online. 3328 members and 309735 guests.

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

Badcaps Statistics

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Topics: 102,165   Posts: 1,268,424   Members: 492,343   Active Members: 16,570
Welcome to our newest member, chaouki39400.

Latest Topics

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  • eniac22
    Samsung Monitor TV (Board P/N BN41-02152) IC identification
    by eniac22
    Hello,

    i have the board BN41-02152 with shorted IC with marking 1G1W (IC203) can you tell me with what can replace?

    Thanks...
    Today, 10:53 AM
  • vendak
    Problem with SAMSUNG UE75AU8002K BN94-16869A/no start up/
    by vendak
    HI
    I have a problem with the lcd turning on after a power outage.
    Panel backlight ok. Voltage main and PS too.
    Response to the remote control is fine.
    The led control flashes.
    Main board Y21 NIKE_BUILT_IN
    CODE:BN41-02844A
    BN94-16869A
    Thanks for the ideas
    Vendak75...
    Today, 10:47 AM
  • sauce
    LG OLED 65C6V
    by sauce
    Hi,

    First I am french sorry for my english.

    I bought this LG OLED 65C6V sold because when we press the power button I can hear the click of power board relay, the red light blinks one time then returns red.

    The seller said he try to replaces the 3 cards (power + motherboard + t-con) but still the same issue (but the cards were not buyed at then same seller).

    I test power suply in standalone (bridges between 3v5 and PWR_ON, 3v5 and DRV_ON, 3.5V and 12v_ON and I have all stable voltages (3v5, 12VM, 24VS, 12V t-con, 24V t-con.

    So I...
    Today, 01:17 AM
  • tommy97
    Lenovo L340-15IRH fg541/fg741 nm-c362 rev 1.0 No power
    by tommy97
    Hi,

    i've got for repair Lenovo L340-15IRH fg541/fg741 nm-c362 rev 1.0, laptop have instant short 20v 0.20amp draw, lv5083a goes to 100degree, i've removed 1 shorted cap next to the IC and short still remain, from look of it short comes from legs 16-25, i can't find what this IC i believe is 3/5V regulator?

    First mosfets normal 20v Source and drain and Gate 25v...
    Yesterday, 11:43 AM
  • debidoobs
    Yamaha delay D1500, zener diode broken with no marking
    by debidoobs
    Hello,

    im actually trying to save a d1500 delay from yamaha. I found the service manual but schematic is missing and BOM list is a bit unclear as components listed have no reference linked to the pcbs... In my case, one zener diode was broken (114 code on the pcb in attached file) and couldn't be repaired : it was a zener type package. In the BOM list i found 3 reference on this board : 1S555 (can be replaced by 1N4148), RD4.7EB2 (approx 5v rectifier), RD7.5EB3 (approx 7v rectifier)...

    Actually the cathode goes to VCC of sram M5M5118P, without this diode missing, i have...
    04-24-2024, 09:01 AM
  • OnRepair1
    Looking For a bios dump for an Asus S533E
    by OnRepair1
    Hey im looking for some help, this laptop starts but the fan dosen't spin even when hot, the fan works fine.

    Bios dump for Asus S533E
    SF114-34-C0B1
    Motherboard: X521EA REV: 2.0
    SN: M3N0CV22Z36213D
    Here's my BK bios

    Thanks...​...
    Today, 10:38 AM
  • stomanata
    Problem with Samsung HT-DB120
    by stomanata
    Hi,
    this system has mainboard HT-DB120/THA25.
    Display working and also i can switch modes, but there
    is no audio.
    I noticed that resistor R100 is heating up.
    I found wiring in attach, but there is diferences.
    1. In this wiring 1st pin of resistor is attached to diode bridge and
    second pin is attached to Collector of PQ5. On PCB is not the same.
    2. Resistor R100 is labaled as 10ohm, but it is 22ohm. Even colour
    code (red, red, black, gold) show 22 ohm.
    3. Emitter of PQ5 must go to PIC4 (7812), but this also is not true.
    So, it seems...
    Today, 10:35 AM
  • rediii
    ThinkPad X1 Yoga Gen 6 series fault
    by rediii
    - it is urgently recommended to update the bios to the latest version to prevent this series fault!
    - repaired 20 of them: in some cases all three chips have had to be replaced
    - all parts ordered here: mouser.com

    - exploded next gen fet (mainly used usb c port - replace it) - 20 times (15 times this was the only fault)
    TPD4S311YBFR
    TI USB Interface IC
    US HTS:8542390001 ECCN:EAR99 COO:PH
    - exploded ov protection ic
    FPF3380UCX
    onsemi Power Switch ICs - Power Distribution
    TARIC:8542399000 ECCN:EAR99 COO:PH
    -> you can use...
    Today, 10:26 AM
  • steenwijk
    Help for HP Probook 640 G1
    by steenwijk
    Hello,
    Need compleet new bios file for this laptop.
    Have new chip purchased and will use CH341 programmer
    Old bios data is not available.
    I have read that a serial number must be entered in the new BIOS.
    Read a lot but it is not completely clear to me with Google translate.​
    How can I best approach this?

    Thanks,
    Marcel from the Netherlands
    Today, 10:19 AM
  • grimacelord
    HP 14-dq0055dx - BIOS problem - "Pending Image Being Cleared" Loop
    by grimacelord
    Hello,

    I have an HP 14-dq0055dx laptop here that came in for boot looping. It was previously taken to another shop and they tried flashing a BIOS firmware to the chip, so I cannot take an original dump. For a second or two, a message will come up on the screen that says:


    This loop will go on for as long as you like. I let it run for about 12 hours and came in the following morning and it's still looping.

    Motherboard model number: DA0PAMB46A1 REV: A
    Secondary motherboard model number: 0PAB
    SKU: 685K4UA

    Attached is the latest...
    Yesterday, 09:11 AM

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