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Badcaps Electronics Repair Forum & Schematic Search
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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
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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!!
Topics: 234
Posts: 41,691
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234 | 41,691 | ||||
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: 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: 3,183
Posts: 32,685
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3,183 | 32,685 | ||||
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: 4,493
Posts: 74,812
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4,493 | 74,812 | ||||
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: 3,963
Posts: 44,280
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3,963 | 44,280 | ||||
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: 6,791
Posts: 37,196
Last Post:
issue Bios unlock Elite Tower 600 G9 PC
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6,791 | 37,196 | ||||
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: 500
Posts: 5,436
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500 | 5,436 | ||||
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: 31,773
Posts: 302,670
Last Post:
macbook pro a1398 board-view
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31,773 | 302,670 | ||||
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: 5,319
Posts: 75,677
Last Post:
Asus VG278 mosfet identification ?
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5,319 | 75,677 | ||||
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: 27,433
Posts: 374,485
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27,433 | 374,485 | ||||
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: 4,178
Posts: 65,201
Last Post:
Corsair HX620W - dead APFC MOSFET
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4,178 | 65,201 | ||||
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: 1,664
Last Post:
NEED key for Epson WF-c5790
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301 | 1,664 | ||||
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: 2,317
Posts: 27,421
Last Post:
faulty loudspeaker amplifier-no sound output
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2,317 | 27,421 | ||||
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: 3,897
Last Post:
Saeco SG200E Coffee Machine
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223 | 3,897 | ||||
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: 998
Posts: 10,860
Last Post:
Post your worthless and/or pointless repairs
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998 | 10,860 | ||||
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: 1,375
Posts: 19,368
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1,375 | 19,368 |
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Badcaps Statistics
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Topics: 102,048
Posts: 1,267,213
Members: 491,546
Active Members: 16,411
Welcome to our newest member, opex618.
Latest Topics
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by ChattFixHello everyone, I got a TCL 75S421 with no backlight. I swapped out the LEDs and still getting nothing. I checked a few readings, see pictures below. Can anyone point me in the next testing area or what to look at next?...04-21-2024, 09:20 PM
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by crosswindsHello,
So, pulled a motherboard out from storage, was working when put away, wont post when I took it out of storage today.
Since it was working, and it looks to be essentially time that killed it I figured its a good idea to replace the caps before digging further.
Looks to be only good quality caps on this board, so might not be the issue. But it is closing in on 20 years now so, wont hurt i guess
Its a ASUS P5VDZ-MX board.
I would really appreciate some assistance on what the best replacement caps would be for these:
Panasonic(M)...-
Channel: General Capacitor Questions & Issues
04-17-2024, 04:25 PM -
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by FactissCan anyone get a hold of the schematics and boardview for the Asus laptop ROG Strix G713QE-HX043 ! I have a motherboard that is missing parts, I would like to replace them but I can't find a boardview or schematics for it anywhere. Motherboard part number : [U][B]G513-6050A3249301-MB-A04( A4 )
THANKS !![/B][/U]
[ATTACH=JSON]{"alt":"Click image for larger version Name:\t724846_fbmhhxkirrztcoo6_403408129_890444625646238_210850865069523864_n.jpg Views:\t0 Size:\t427.0 KB ID:\t3260392","data-align":"none","data-...-
Channel: Schematic Requests ONLY!
Today, 07:51 AM -
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by guizmo1967Hello,
My Asus monitor stop working today !! I found the problem on the main board, the power supply board is ok. It's Q9, a mosfet but I have no idea what are the specs since I don't have the schematic for that monitor !!
Can someone help me identified this mosfet ?
Thank you !1 Photo-
Channel: Troubleshooting Computer Displays
04-16-2024, 01:15 PM -
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by Test asusHello,
My laptop's touchpad is not working. I have tried software, touchpad and touchpad fpc. I think the motherboard is faulty, can you share motherboard schematics or how can I fix the problem?
Model
X542UR-GQ272T
Part No
90NB0FE2-M03490
Part Desc
AS X542U 7500U/1DG5/12G/TU
Part Specification
X542UR-1BGQ/8SL/V/WAC/A08
Have a good day,...Yesterday, 03:40 AM -
by TjaytonyI have acer c733 series chromebook with enterprise lock.
model; C733-C962
SN; NXH8WAA00303812EFE7611
Board serial no; ZAK DA0ZAKMB6JO REV J
i have tried RC Unlocker which some times works for, but it didnt work for this chromebook. Could anyone help me unlock it. thanks....-
Channel: BIOS Requests ONLY!
04-16-2024, 01:16 PM -
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by cap__"I heard that a blue LED has different voltage values than green and red ones. Green and red ones are easily replaceable, but how do I do that with the blue one?"
"I have to use the blue one, because green means fully charged and blue means charging."
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"20240415_172809.jpg","data-attachmentid":3253246}[/ATTACH]...04-15-2024, 09:59 AM -
by alford111Hi. Can any one help me with a schematic for Predator Helios 300 G3-571-77QK. Many thanks in advance.
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Channel: Schematic Requests ONLY!
04-24-2024, 02:35 AM -
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Hi All,
I have been struggling to repair a HP 8460P laptop. Motherboard does not turn on. I have traced the problem to what seems to be a missing signal KBC_PWR_ON causing Trip2 on IC 5006 (TPS51123) to be activated.
The following components have been replaced but the problem remains.
C5191
C5192
U50006
Listed below are voltages appearing on U5006 when the Motherboard is supplied with power from a bench power supply for the first 15 seconds or so.
Pin 1 (Trip1) = 0.65
Pin 6 (Trip2) = 0.65
Pin 8 (Vreg3) = 3.31
Pin...1 Photo04-24-2024, 10:16 PM -
Gooday
I have an Lenovo ThinkPad P15s gen2 that keeps giving me this error 2203
I have used the Lenovo Gold Key U1 Tool erased the eeprom and enter all the configs again but I still receive this error
I believe it to be an BIOS problem
I will Attach bios dump and some screen shots
Board number: HT4B0 /HP4B0 /HT5B1 /HT4B2 NM-D352 Rev2.0
SN: PF-3R33ZC
Type Number: 20W7-S2L700...-
Channel: BIOS Requests ONLY!
Today, 02:32 AM -
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by sarry86Hello, I have this Hp pavilion 1030 G1 that starts with a single light on caps lock then it turns off, measurements at the coils, meter in resistance mode (not continuity mode) are as follows: The problem started just after it fell from a desk to the ground. I can't find a boardview or a schematic diagram anywhere, please help me 🙏
1. 13k ohms
2. 0.00 ohms
3. 6.7 ohms
4. 8.9 ohms
5. 18.2 ohms
6. 83.5 ohms
7. 99.4 ohms
8. 10.7k ohms
9. 68.5 ohms
[URL=filedata/fetch?id=3260316&d=1714132446][ATTACH=JSON]{"alt":"Click...Today, 05:54 AM -
by SquaryheadHi,
I'm trying to locate the Bios chip on my T495s 20QJ to recover the Bios.
The computer shut down during the bios update, now it's just singing. I want to try to reprogram it. I've read the BIOS guide but I'm still missing some information. I hope I'm asking in the right place.
Do you now which one of those chips is the BIOS ? And, are those compatible with the CH341A ?
Thanks a lot !2 Photos-
Channel: BIOS Requests ONLY!
Today, 05:27 AM -
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by jackclementsHello,
I have replaced the psu on this Toshiba 42HL196 twice. I have no HDMI or tuner. The component and composite inputs work though. I had a spare seine but it just gives me 3 red blinks so it's either a faulty seine or needs programming. It would seem it's the seine board. Ideas?Today, 01:34 AM -
by webster456Hello everybody I need to clean ME region in this bios or new clean bios for this motherboard...
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Channel: BIOS Requests ONLY!
Yesterday, 11:49 PM -
-
Gooday
I have an Lenovo ThinkPad P15s gen2 that keeps giving me this error 2203
I have used the Lenovo Gold Key U1 Tool erased the eeprom and enter all the configs again but I still receive this error
I believe it to be an BIOS problem
I will Attach bios dump and some screen shots
Board number: HT4B0 /HP4B0 /HT5B1 /HT4B2 NM-D352 Rev2.0
SN: PF-3R33ZC
Type Number: 20W7-S2L700...-
Channel: BIOS Requests ONLY!
Today, 02:32 AM -
-
A2442 hinge sensor has liquid damage, not possible to repair, is there any alternate?...Today, 03:26 AM
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by michdundeeHi all,
I'm facing a issue... hope you could help me. I have a T-CON board BN41-02112A from Samsung 55inch Curve TV.
I have just only 2 status blue LEDs ON since LED3 is off. I have tried to test some test points but VON is NOT OK very close to 0V. Is there someone that can help me on the debugging the issue? I'm supplying the board from an external 12V voltage source.
Thank you in advance.
BR,
Michele
[ATTACH=JSON]{"data-align":"none","data-size":"full","data-attachmentid":3259938}[/ATTACH]...Yesterday, 12:37 PM -
by JoeFlashHi! I have a TV, Samsung ue49ku6100kxxu, no boot, when connect the power cord, standby led and the backlight up and down repeated. When i disconnect the MB, the backlight is up.
I take some measurement and all ok. I have already try tape method and same happen, if I disconnect both flex from mainboard to panel tv same happened. This is a software error?
I have an IC programmer: CH341A
MB model: BN41-02528
MB code: BN41-02528A
on the glued label: BN94-10826KToday, 12:24 AM -
by tec3000Hi community! Germany calling
I am wondering if you guys can help me out. I have an issue with my Sony LED TV. I've been told this is a good place to ask. Thanks for anyone who will reply and offer advice. Appreciated!
I have a KD-65X9005A Sony 4k LED TV. For a few weeks I've got this problem where I turn on the TV and within a few seconds the TV starts getting darker until it shuts itself off and I get the 4 blinking error code. HOWEVER there is one exception: Whenever I switch to the i-Manual, a full screen on-screen instruction manual, the TV never turns off. I tested for hours!...03-20-2024, 07:29 AM