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Badcaps Capacitor & Electronics Repair Forum | ||||||
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All new members, PLEASE READ HERE FIRST! Posting only allowed by established members.
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Posts: 733
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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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Posts: 41,529
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234 | 41,529 | ||||
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.
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Posts: 3
Last Post:
ncp81208 datasheet
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1 | 3 | ||||
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: 3,180
Posts: 32,654
Last Post:
How can I find ESR value for bad capacitor?
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3,180 | 32,654 | ||||
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!
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Posts: 74,782
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Topcat's Other Misc Weird Build Thread
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4,491 | 74,782 | ||||
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: 3,961
Posts: 44,249
Last Post:
Can anyone identify this ic marked AGR
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3,961 | 44,249 | ||||
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: 6,781
Posts: 37,078
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6,781 | 37,078 | ||||
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 | ||||
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: 31,672
Posts: 301,245
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DA0P5HMB8H0 REV: H
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31,672 | 301,245 | ||||
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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: 5,315
Posts: 75,661
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5,315 | 75,661 | ||||
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: 27,411
Posts: 374,182
Last Post:
Samsung ue49mu6120
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27,411 | 374,182 | ||||
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: 4,171
Posts: 65,152
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4,171 | 65,152 |
by CapLeaker
Today, 08:00 PM
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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 | ||||
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: 2,312
Posts: 27,389
Last Post:
Sony Receiver STR-4800SD L/R Balance
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2,312 | 27,389 | ||||
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: 221
Posts: 3,891
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221 | 3,891 | ||||
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: 10,838
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996 | 10,838 | ||||
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: 1,374
Posts: 19,325
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1,374 | 19,325 |
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- Brent Cook
Badcaps Statistics
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Topics: 101,876
Posts: 1,264,910
Members: 490,370
Active Members: 16,335
Welcome to our newest member, Brent Cook.
Latest Topics
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by r2digitalI have a klipsch kda-500 that would turn on and allow me to get into the web management but it was picking up a lot of noise from audio sources so i decided to replace the smd caps on the power supply along with radial one. Some one was in here before me and they basically burned the bottom side of the traces off for the radial cap but i was able to repair it without any real problem. I thought i did a good job sourcing out replacement caps but apparently not and now i can't get the power supply to turn on it just constantly try's to keep turning on. Attached is a picture of the power supply before...Today, 03:50 PM
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by petehall347have been looking at earth leakage clamp meters and its like a minefield out there . i wondered if anyone here had bought one that actually works properly ?...Yesterday, 01:31 PM
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by chth96I usually tried to find datasheet which contains Maximum ESR value like KME datasheet.
[URL]https://www.westfloridacomponents.com/mm5/graphics/S06/KME250VB10RM10X20LL.pdf[/URL]
As far as I know,Maximum ESR means boundary ESR value for bad capacitor.
But,In many case,there is no ESR value in datasheet like below links.
[URL="https://www.mediafire.com/file/fhe8h0x4fmblgzn/SAMWHA-RG_Series_.pdf/file"]SAMWHA-RG Series (mediafire.com)[/URL]
[URL="https://www.mediafire.com/file/wwiiluhtci0qxb0/samyoung_SMS_Series.pdf/file"]samyoung_SMS_Series...-
Channel: General Capacitor Questions & Issues
Today, 02:30 AM -
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by aaronkatriniHi all,
Recently picked up this GTX1650 at a local flea market for a low price and wanted to use it on my secondary PC. I first tested the card and saw the fan spin for a split second and then nothing. Immediately I thought of a short circuit. Disassembled and found a shorted SMD capacitor, injected voltage into it (1V/4A) and two Mosfets got hot immediately (QN3103 & QN3107). Desoldered these Mosfets and the card turned back to life.
Bought replacements from Aliexpress and replaced them afterwards. Tried the card but still the saw the fan spin for a split second...Today, 03:15 PM -
by bigbootsAs the title says. Can anyone please help identify this ic.
Kind regards.AGRN16957...Today, 01:07 PM -
by cihanpcI NEED OEM CHINA MOTHERBOARD X79-VG3 VER 2.2 H61 CHIPSET BIOS URGENTLY..
FANS TURN ON FOR 3 SECONDS AND RESET CONTINUOUSLY....
...Today, 06:30 PM -
by bigbootsNot sure if this is the correct place. I need to identify This IC id anyone could help please.
Kind Regards....04-14-2024, 12:33 PM -
by SatdudeHi, I have a Yamaha RX-497 receiver, and one day I came home to a burnt smell and the breaker was tripped. Upon opening the receiver, I saw extreme damage to the main power board. C254 was exploded, R261 was burnt, D255 was shorted, Q254 is open circuit, D261 (bridge rectifier) is also open, traces to IC252 (TC4013BP) are vaporized right off the board. Not sure about any other damage, I'll have to desolder the flip flop to test it. Also the transformer T251 is getting hot when plugged in. What could have caused such extreme damage just sitting plugged in? Only repair that was done in the past...4 Photos
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Channel: Troubleshooting Audio Equipment
Today, 05:54 PM -
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by M4n0l0307Good afternoon friends, I need your help with Bios DAN14MB56A0 REV A (AIO HP 22-dd2014la (693D9LA) ROM SSID 86F0 Thank you very much....
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Channel: BIOS & Schematic Requests!
04-16-2024, 08:12 PM -
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by Keshenatech1Does anyone have a schematic or parts list for a ZWS150BAF-12 12V power supply? I have a dead one and I've determined the surface mount diode on the back side of the board that connects from the center leg of Q3 to the + side of the 420V 60uf capacitors has a 3.5 ohm short. I'm not having much luck trying to identify the diode as the part number is not very legible. In the attached picture, it's the black rectangular diode in the center. There are some numbers on it but I can't even tell if it's right side up or upside down. The picture is from a 2nd good working unit which is more legible...Today, 08:58 AM
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by SatdudeHi, I have a Yamaha RX-497 receiver, and one day I came home to a burnt smell and the breaker was tripped. Upon opening the receiver, I saw extreme damage to the main power board. C254 was exploded, R261 was burnt, D255 was shorted, Q254 is open circuit, D261 (bridge rectifier) is also open, traces to IC252 (TC4013BP) are vaporized right off the board. Not sure about any other damage, I'll have to desolder the flip flop to test it. Also the transformer T251 is getting hot when plugged in. What could have caused such extreme damage just sitting plugged in? Only repair that was done in the past...4 Photos
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Channel: Troubleshooting Audio Equipment
Today, 05:54 PM -
-
by aaronkatriniHi all,
Recently picked up this GTX1650 at a local flea market for a low price and wanted to use it on my secondary PC. I first tested the card and saw the fan spin for a split second and then nothing. Immediately I thought of a short circuit. Disassembled and found a shorted SMD capacitor, injected voltage into it (1V/4A) and two Mosfets got hot immediately (QN3103 & QN3107). Desoldered these Mosfets and the card turned back to life.
Bought replacements from Aliexpress and replaced them afterwards. Tried the card but still the saw the fan spin for a split second...Today, 03:15 PM -
by bigbootsAs the title says. Can anyone please help identify this ic.
Kind regards.AGRN16957...Today, 01:07 PM -
by r2digitalI have a klipsch kda-500 that would turn on and allow me to get into the web management but it was picking up a lot of noise from audio sources so i decided to replace the smd caps on the power supply along with radial one. Some one was in here before me and they basically burned the bottom side of the traces off for the radial cap but i was able to repair it without any real problem. I thought i did a good job sourcing out replacement caps but apparently not and now i can't get the power supply to turn on it just constantly try's to keep turning on. Attached is a picture of the power supply before...2 PhotosToday, 03:50 PM
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by norbiszokeHello,
We have this set here in our shop that is not ginving sign of life besides red light that is blinking one time after pressing the button and nothing more... After detaching the mainboard from the PSU (this set has separate board thank god?! or not...) the backlight comes on. After reattaching nothing besides red light.... Can anyone from the forum help me here? Thank you in advance. Here's a link with images of the mainboard and the memory IC's that are on it.
Regards, Norbert!...Yesterday, 06:54 AM -
by Keshenatech1Does anyone have a schematic or parts list for a ZWS150BAF-12 12V power supply? I have a dead one and I've determined the surface mount diode on the back side of the board that connects from the center leg of Q3 to the + side of the 420V 60uf capacitors has a 3.5 ohm short. I'm not having much luck trying to identify the diode as the part number is not very legible. In the attached picture, it's the black rectangular diode in the center. There are some numbers on it but I can't even tell if it's right side up or upside down. The picture is from a 2nd good working unit which is more legible...Today, 08:58 AM
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by karloxGood morning, can someone share with me a copy of a working BIOS for this computer? I downloaded them from the hp page, but it is not working for me, I attach a copy of the backup of this card. The worst thing is that it's working for me, I have a suspicion that I'll have to program the EC, the motherboard license plate is DA0P9MB26A0 REV. A
Computer Data Under Repair
HP Stream 14-ax113la
MB DA0P9MB26A0 Rev. A
SN# 5CD1495JDV
Celero N4020
The team went into the workshop because it didn't detect the battery, an error was found in a AON6380...-
Channel: BIOS Requests ONLY!
Today, 02:32 PM -
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by cihanpcI NEED OEM CHINA MOTHERBOARD X79-VG3 VER 2.2 H61 CHIPSET BIOS URGENTLY..
FANS TURN ON FOR 3 SECONDS AND RESET CONTINUOUSLY....
...Today, 06:30 PM -
by BholuHello friends, I have MTC 58' TV which has stand by position. I thought the software was corrupt. I have downloaded the software from the internet but the data is not matching. The format window is opening from the TV software but none of the buttons on the remote or TV are working. Why? Can I edit this software with a hex editor? Is there any guide to edit this? Or does anyone have access to this software? Thank you very much for your help.
model no.---'[Mtc4k58s21]
panel---D58-M30...Today, 03:18 PM -
by petehall347have been looking at earth leakage clamp meters and its like a minefield out there . i wondered if anyone here had bought one that actually works properly ?...Yesterday, 01:31 PM