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| Badcaps Capacitor & Electronics Repair Forum | ||||||
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Frequently Asked Questions (No Posting)
All new members, PLEASE READ HERE FIRST! Posting only allowed by established members.
Topics: 45
Posts: 733
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45 | 733 |
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Announcements & Related News
Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!
Topics: 236
Posts: 41,884
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236 | 41,884 |
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| Document & Software Archive | ||||||
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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
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1 | 4 |
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| General Topics | ||||||
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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: 3,185
Posts: 32,697
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3,185 | 32,697 |
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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: 4,497
Posts: 74,833
Last Post:
ISP blocking emails now?
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4,497 | 74,833 |
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| Troubleshooting Hardware & Devices and Electronics Theory | ||||||
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General Electronics Technical Discussion
If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.
Topics: 3,972
Posts: 44,338
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3,972 | 44,338 |
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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: 6,814
Posts: 37,306
Last Post:
EVGA GTX750TI BIOS Request
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6,814 | 37,306 |
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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: 501
Posts: 5,444
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501 | 5,444 |
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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: 31,882
Posts: 304,083
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31,882 | 304,083 |
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Sub-Forums:
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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: 5,322
Posts: 75,705
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5,322 | 75,705 |
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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: 27,451
Posts: 374,738
Last Post:
polaroid TQLHD24PR004 no power
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27,451 | 374,738 |
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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: 4,181
Posts: 65,232
Last Post:
Fa180pm111 / dw5g3 dell psu
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4,181 | 65,232 |
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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: 301
Posts: 1,665
Last Post:
Epson l3110 dump
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301 | 1,665 |
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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: 2,325
Posts: 27,457
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2,325 | 27,457 | ||||
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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: 3,907
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223 | 3,907 |
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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: 1,002
Posts: 10,872
Last Post:
playstation 5 digital firmware dump
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1,002 | 10,872 |
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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: 19,389
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1,376 | 19,389 |
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Hello BadCaps Forum! I'm new to the group and hope you guys can help me with something. I have a 2017 Apple imac A1419 board # 820-00609-A that i'm trying to identify a capacitor failure on. The capacitor is a tantalum 68 C79. See pic attached. I've tried to figure this out using the web and unfortunately can't find the information. Can someone tell me what the Capacitance value, voltage, etc is for these 68 C79 caps are? Where could i pick up a replacement? Thanks in advance!!...05-03-2024, 04:00 PM
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Recently I was given for free a Sony RCD-W3 with the following symptoms, CD recorder drive reads CDs without any issues (haven't tested recording function yet because I don't intend to burn CDs on that machine) but the reader drive shows disc error after some seconds of it trying to read CD. Tried both CD-Rs and commercial audio CDs with same results.
First thing to do was to clean the lens but that didn't change anything. Googling the issue revealed that this is a common issue on several Sony CD recorder machines and the culprit is SMD electrolytic caps located on the PCB bellow...Today, 02:04 PM -
Hi everyone!
I have this board that suddenly stopped supplying power to an output that drives an interchanger cleaner motor.
I checked while the board was in place with all wires attached and there's no AC voltage on the corresponding plug X5
This X5 is driven by fuse F8 (tested OK) which comes from the second orange relay
To make sure there are no charcoaled contacts inside the relay, I got a 24VDC power supply and got it ready to manually power up the coil side of these relays.
I respected the polarity, positive to cathode of protecting diode
So provided all...04-18-2024, 01:15 PM -
I've had this [URL="https://www.panasonic.com/global/energy/products/eneloop/en/lineup/charger-bq-cc63.html"]Eneloop charger [/URL]from new, and it works fine but has always made a really irritating ticking sound roughly once per second when more than one battery was inserted. I found the noise to be coming from the OB5222AG PWM DIP-8 IC. I tried replacing it with an identical part - the problem persists but rather than a ticking, it now sounds like a squeal. The problem is there are no spec sheets for this IC [I]anywhere[/I] and no information besides it being a PWM IC, so I have no...05-03-2024, 10:08 AM
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laptop working but when i try to boot in usb, only black coming and stuckToday, 01:55 PM
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Hi guys,
Got this EVGA GTX750TI 2GB GPU
MB Bios is beeping when GPU is connected.
When booting with onboard GPU, MB is booting but the GTX isn't showing in windows device manager.
I would like to reprogram the bios EVGA 750Ti 2GB non-6pin 82.07.55.00.50
I searched around but couldn't fins 256kb BIOS like mine.
Anyone can please assist?...Today, 12:30 PM -
Hi,
I have got a water damage Asus Zenbook UX3404 (exact model no. UX3404VC-PURE5) where one of its component got burned, picture attached. MARKING ON COMPONENT is ONLY 5k6 !!
Wondering does anyone know what is that component, it is located near the GPU. I have found out the same component near the LVDS cable on and that is how conclude that the suspected burned component
Thank...04-20-2024, 03:33 PM -
Hi team,
I bought a lenovo thinkbook 14-iil with a core i 5 processor, Radeon graphics chip, board number: DALVACMB8DO - REV D from an auction. It does not have a bios chip and my guess is that someone disoldered it, so I am planning to buy a new replacement bios chip but I do not know how to reprogram the chip, can someone assist pleaseYesterday, 04:01 AM -
See the attached drawing of the chip I am trying to identify. I think the last character (the 'H') may actually be the manufacturer logo, but I am not sure.
This chip is part of a hand held device that detects metal. Its called a pinpointer, and is used in the metal detecting community. The chip is located on the main power rail which is from a 9 volt battery, noted in the drawing.
I tried many searches to find the part, but did not see anything that looked close. But then I have very little experience doing this and I could have easily missed something obviou...Today, 07:27 AM -
Hello, need help identifying a DIODE that's right at the start of DC_IN line in this small IO BOARD. (DR1 08530-2 48.4AQ03.021).
[URL=filedata/fetch?id=3263943&d=1714682294][ATTACH=JSON]{"alt":"Click image for larger version Name:\ts-l1200.jpg Views:\t0 Size:\t45.5 KB ID:\t3263943","data-align":"none","data-attachmentid":"3263943","data-size":"thumb"}[/ATTACH][/URL]
I have the [B]boardview[/B] for this small board [URL="https://www.badcaps.net/filedata/fetch?id=3263942"]08530-2.rar[/URL]...05-02-2024, 02:53 PM
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polaroid TQLHD24PR004 no power
hi, my tv no longer starts like dead, no standby led
motherboard : MS36639-ZC01-01
panel : V236BJ1-P01
flash spi: GD25Q64
need usb firmware or to reprogramToday, 08:40 AM -
Hi guys,
Got this EVGA GTX750TI 2GB GPU
MB Bios is beeping when GPU is connected.
When booting with onboard GPU, MB is booting but the GTX isn't showing in windows device manager.
I would like to reprogram the bios EVGA 750Ti 2GB non-6pin 82.07.55.00.50
I searched around but couldn't fins 256kb BIOS like mine.
Anyone can please assist?...Today, 12:30 PM -
The laptop won't start. When plug power supply, on 19V in gives me 0,14A, without turning on the laptop.
I check it with thermal camera, and there is one resistor that is very hot, I change the resistor with new on but the result is the same.
In the attachment there is schematic of the resistor area, and schematic of the laptop.
I can't understand, why this resistor is getting so hot....Today, 01:24 AM -
See the attached drawing of the chip I am trying to identify. I think the last character (the 'H') may actually be the manufacturer logo, but I am not sure.
This chip is part of a hand held device that detects metal. Its called a pinpointer, and is used in the metal detecting community. The chip is located on the main power rail which is from a 9 volt battery, noted in the drawing.
I tried many searches to find the part, but did not see anything that looked close. But then I have very little experience doing this and I could have easily missed something obviou...Today, 07:27 AM -
Please help sir, this board does not turn on because VSYS_OUT is 9.2v, I compared it with a normal board VSYS_OUT is 10.2v, I have replaced the PQ101 and PQ102 mosfet and BQ 25700 which is known to be good, but the results are still the same, thank you
VSYS_OUT 9.2v Meter in resistance mode auto range 6M ok
NORMAL BOARD 10.2V
PQ101
PIN 2 20V
PIN 7 0.004V
PIN 6 6V
PIN 5678 0V
PQ102
PIN 567 0V
PIN 9 0.004V
PIN 234 9.2V (VSYS_OUT)
PU101 BQ25700ARSNR
1 VBUS 20V
2 ACN 20,21V
3 ACP 20,21V...Today, 05:30 AM -
Hi All
Been a while since I have been here, and a bit rusty.
I have the above laptop motherboard that was working and now the charging circuit is faulty.
Have 19v in fine until it hits PU4403 - not shorts I can see and thermal cam reveals nothing.
I have swapped out the ISL9538 and also the two mosfets (PU4403 and PU4405). Have 2.8v at the power switch, which pulls low when pressed - charging light comes on and goes straight off
Below are measurements (pin names are per the datasheet for the ISL95338 (couldn't find one for ISL9538,...05-03-2024, 03:25 AM -
Recently I was given for free a Sony RCD-W3 with the following symptoms, CD recorder drive reads CDs without any issues (haven't tested recording function yet because I don't intend to burn CDs on that machine) but the reader drive shows disc error after some seconds of it trying to read CD. Tried both CD-Rs and commercial audio CDs with same results.
First thing to do was to clean the lens but that didn't change anything. Googling the issue revealed that this is a common issue on several Sony CD recorder machines and the culprit is SMD electrolytic caps located on the PCB bellow...Today, 02:04 PM -
laptop working but when i try to boot in usb, only black coming and stuckToday, 01:55 PM
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Hello, I was updating the bios on my t470 20jn pf1q6dx5 using the soic8 clip that came with the Ch341A on the bios and pressed the clip too far back when i was taking it out and it knocked off what look like little capacitors, can this be repaired or bypassed with solder or a wire or what was originally on there, they are extremely small. I have attached two pictures, one with the capacitors on and one with them off. It took me weeks to figure out why the board wouldn't power on. I thought I had broke the bios. THe machine turns on for a second then turns off.
[ATTACH=JSON]{"data-align":"none","data-size":"custom","height":"632","title":"Broke...Today, 03:14 AM -
I picked up this TV that the prior owner said - just died.
Tested the fuse - burnt. A dead capacitor is visible too on the hot side (CP801). Got the replacement power board (cheaply - used). Replaced the board - the TV turned ON!
Now, about a month later (yesterday) I noticed the left side of the screen was flickering from time to time. That was already happening with the antenna input, not through HDMI.
Also, some glitchiness with a Fire stick on HDMI3 - I hit an app with quick dark screen in stick, the TV goes - no input. Then I had to choose the stick...Yesterday, 06:14 PM