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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: 235
Posts: 42,484
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235 | 42,484 |
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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: 2
Posts: 5
Last Post:
grafic GT740 SC 01g-p4-3742-kr
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2 | 5 |
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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: 3,194
Posts: 32,736
Last Post:
How can I test non-polarized capacitor?
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3,194 | 32,736 |
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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: 4,507
Posts: 74,890
Last Post:
Copy-protected DVDs
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4,507 | 74,890 |
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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: 3,994
Posts: 44,517
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3,994 | 44,517 | ||||
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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: 6,889
Posts: 37,708
Last Post:
Graphics card Schematics and Boardviews
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6,889 | 37,708 |
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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: 502
Posts: 5,457
Last Post:
4G LTE router sim socket replacement
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502 | 5,457 |
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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: 32,270
Posts: 308,663
Last Post:
821-2623 (A2602) Boardview
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32,270 | 308,663 |
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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: 5,332
Posts: 75,746
Last Post:
Dell U3011 no display after a few minutes
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5,332 | 75,746 |
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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: 27,505
Posts: 375,301
Last Post:
LG 65G3PSA won't turn on
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27,505 | 375,301 |
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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: 4,196
Posts: 65,348
Last Post:
Omega MML200 Coutant Lambda PSU repair
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4,196 | 65,348 |
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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: 305
Posts: 1,686
Last Post:
i need dump for printer canon G3430
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305 | 1,686 |
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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: 2,343
Posts: 27,606
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2,343 | 27,606 |
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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: 226
Posts: 3,952
Last Post:
Xiaomi Roidmi EVE Pro battery died!
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226 | 3,952 |
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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: 1,018
Posts: 10,949
Last Post:
Dremel 8220 turns on when it feels like it
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1,018 | 10,949 |
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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: 1,382
Posts: 19,499
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1,382 | 19,499 |
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Hello, is it possible to unlock the BIOS and see whether there is an option to automatically turn on when power detected?Today, 02:42 AM
-
Please help! Need bios:
Asus G532LWS-AZ137T (Motherboard: g532lws rev.1.3)
CPU I7 10875H
GPU RTX2070
QR Code on board: XM08MC02S7,L835NRKD0006YSMB,G532LWS,60NR02T0-MB8100,130,3C7C3F5C2361Today, 02:32 AM -
Guys I have set top box which has no power on in specific case. When I insert antenna plug which has 12V on it because of dB gain device on top of antenna, device if its turned off, it will not turn on.
After I need to open the case and short + and - on ABS10 chip and after that device will turn on, without antenna plugged in, after its turned on I can plug in antenna and it will work fine, but I notice there is some extra heat inside the unit.
Is this chip okay? Rectifier bridge ABS10 JQC I don't think there should be connection like additional diode between plus and minus...Yesterday, 03:09 AM -
No display problem .
Acer aspire z3-705
Bristol23-HSW U MB
14127-1
348.03603.0011
i3-5005uYesterday, 09:52 AM -
Hello i have Dell Latitude 7212 Rugged Extreme with BIOS password and 0001 suffix. Tried bios-pw, but no luck. Can anyone help me?
Service Tag: 9SMCTG2
Intel Core i5-7300U...05-21-2024, 04:37 AM -
Hello.
As someone suggest i bought this EV2400 clone battery programmer. Now i have one battery that need to check, but i cannot find topic with guide.
So what program should i use and how to check that battery?05-29-2024, 12:00 AM -
Needing a board view for the iPad, any and all iPads would be really mint!...Yesterday, 10:31 PM
-
Hello,
My TV has red light. When I press the power button, it clicks on time and then goes back to standby red light.
Is there anyone having the same issue? How to solve it?
Yesterday, 09:13 PM -
Hi guys
I have a MacBook Pro A1990 that takes 4.9 Volts and .592 to .615 amps on one port. The other port on the left side power cycles with about the same amount of volts an amps but quickly power cycles. The same thing happens on the other side but opposite. So on the left side the bottom port stays on and on the right side it's the top one. I think it is a CD3215 chip but I am not sure how to test it or where to get one. I have checked for voltage at ppbus_g3h and it has 12.6 V which is also on fuses f7000 and f7001 I checked pp1v2_s3 and it has 1.2 V then...05-30-2024, 07:36 PM -
Tv powers on and has backlights but no picture.All voltages from power supply to main board are correct.Yesterday, 09:45 PM
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I get backlights that stay on not there is no image. The tv does not automatically power on when plugged in either which I generally see happen when there is a fault. It responds as it should to the power button.
I checked the test points on the TCON and I have proper voltages except for at 1P15V. I don't know if that is supposed to be 15V or 5V, but either way I only get 1.134V on that point. I have 12V, 8V, VCC, and a small amount on the CKV point.
I tried heating up the SoC on the main board but that made no difference. Disconnecting either ribbon from the TCON also...06-01-2024, 08:55 PM -
Hey everyone, I have an LG 65uq7050zud with a black picture but backlight is on. I tested the measurements from the PSU and they check out. I can’t find any service manual so I’m suspecting the main board. Any advice before I replace the board? Found them for around $60...Yesterday, 12:10 PM
-
Hello, is it possible to unlock the BIOS and see whether there is an option to automatically turn on when power detected?Today, 02:42 AM
-
Please help! Need bios:
Asus G532LWS-AZ137T (Motherboard: g532lws rev.1.3)
CPU I7 10875H
GPU RTX2070
QR Code on board: XM08MC02S7,L835NRKD0006YSMB,G532LWS,60NR02T0-MB8100,130,3C7C3F5C2361Today, 02:32 AM -
I have a Samsung UN55TU700DFXZA with a distorted picture and I thought it was a bad panel. I had a similar board with one number off and still tried it to see what the issue could be. The picture came out clear with only missing blue hue I think. I found a replacement board for $30 but wanted to learn if this would be the main IC or possibly something else. I don't have service manual so looking to learn about these cheap sets....Yesterday, 03:50 PM
-
I desoldered samwha NF capacitor(50v 5.6uf) from PCB circuit of 29inch CRT TV which have symptoms of no display after I heard sound of inrush of current to TV whenever I switch on this television.
I measured ESR value of this non-polarized capacitor(samwha NF capacitor 50v 5.6uf) by means of MESR-100 ESR meter and It displayed 0.3 ohm
And When I measured its capacitance with digital multimeter and LCR-T4 Mega328 meter, It displayed 10uf from DMM and 8uf from LCR-T4 meter.
I found catalogue of samwha capacitor(samwha-catalogue_3.pdf file), which is attached to this thread,...Yesterday, 07:31 PM -
Hello,
My TV has red light. When I press the power button, it clicks on time and then goes back to standby red light.
Is there anyone having the same issue? How to solve it?
Yesterday, 09:13 PM -
Guys I have set top box which has no power on in specific case. When I insert antenna plug which has 12V on it because of dB gain device on top of antenna, device if its turned off, it will not turn on.
After I need to open the case and short + and - on ABS10 chip and after that device will turn on, without antenna plugged in, after its turned on I can plug in antenna and it will work fine, but I notice there is some extra heat inside the unit.
Is this chip okay? Rectifier bridge ABS10 JQC I don't think there should be connection like additional diode between plus and minus...Yesterday, 03:09 AM -
Hi i have Samsung UE55MU6405
The tv will not turn on, there is no standby light.
Main board BN41-02568B (BN94-11958Q)
Screen CY-KM055HGAV3H
When i remove the psu cable to main board i get backlight
1,8V and 3,3V on main board
Attached my dump file from 25Q40
Can someone send me the right file please?...12-23-2022, 10:46 AM -
No display problem .
Acer aspire z3-705
Bristol23-HSW U MB
14127-1
348.03603.0011
i3-5005uYesterday, 09:52 AM