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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: 236
Posts: 41,858
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236 | 41,858 | ||||
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
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1 | 4 | ||||
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: 3,184
Posts: 32,695
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3,184 | 32,695 | ||||
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: 4,496
Posts: 74,832
Last Post:
best cheap/free scores 1.1
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4,496 | 74,832 | ||||
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: 3,971
Posts: 44,322
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3,971 | 44,322 | ||||
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: 6,809
Posts: 37,288
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6,809 | 37,288 | ||||
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 | ||||
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: 31,863
Posts: 303,711
Last Post:
Portege X40-J need bios
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31,863 | 303,711 | ||||
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
Last Post:
Lines on the screen
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5,322 | 75,705 | ||||
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: 27,447
Posts: 374,704
Last Post:
DVR HIKVISION DS-80237_p rev 5.0 BIOS Need
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27,447 | 374,704 | ||||
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: 65,230
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4,180 | 65,230 |
by CapLeaker
05-02-2024, 07:31 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: 301
Posts: 1,665
Last Post:
Epson l3110 dump
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301 | 1,665 | ||||
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: 2,321
Posts: 27,446
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2,321 | 27,446 | ||||
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: 3,902
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223 | 3,902 | ||||
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: 10,870
Last Post:
Monster Power HTS 5100 MKII Power Center
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1,001 | 10,870 | ||||
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
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1,376 | 19,385 |
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Badcaps Statistics
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Topics: 102,214
Posts: 1,268,964
Members: 492,778
Active Members: 16,426
Welcome to our newest member, Dineshree Moonsamy.
Latest Topics
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by Issa malikHey everyone, I've had a dead hp g62-b55se for a while that wasn't fixed and i would like to take a look at it... board: 615382-001
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Channel: Schematic Requests ONLY!
Today, 01:21 AM -
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by DynaxSCHi Folks
I got an ASUS ROG MAXIMUS Z690 HERO mainboard with missing components on the backside near the HDMI output.
Unfortunately there is no documentation available nowhere for that board, I did also not find any similar ASUS board design. Even Russians nor Chines have anything available here (nor BV, nor schematics), so only way to discover the parts is from a real physical board.
On the picture left the area where the missing componets are is shown.
On the right picture the detaileed view is shown.
It seems that a double mosfet is missing, probably...04-26-2024, 04:46 PM -
by debidoobsHello,
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...-
Channel: Troubleshooting Audio Equipment
04-24-2024, 09:01 AM -
-
by claws77please provide schematics and board files
google search for part number shows some other laptop versions sf314-XX also use this daughter board.
part number 448.0E706.0011-
Channel: Schematic Requests ONLY!
Today, 02:00 AM -
-
by Dexter898Hi,
I have password in BIOS and i forgot it, if anybody can remove it, thx very much
Laptop Acer Aspire 3 A315-23-R1V3
Model: N18Q13
SN: NXHVUEX01$1010564D7600
i have tried Bios from forum search but dont work on my laptop
thx for help...-
Channel: BIOS Requests ONLY!
Yesterday, 11:09 AM -
-
by smaniakHi I have a touch screen monitor. It work fine for many years, but now It shows its age!
When I turn on the monitor, white lines appear on the display. They jump for a few seconds and then the display goes off.
Can you give me some pointers on where to start with the diagnostics.
There was a trail of dried light brown liquid on the board that the display connects to, as if a capacitor had leaked, but I couldn't find one. I cleaned the circuit board and resoldered the legs where this liquid was, but to no avail....-
Channel: Troubleshooting Computer Displays
Yesterday, 03:52 PM -
-
by rheyntauhelp pls..need schem and boardview for this laptop
HP BOARD # LINDEN-6050A3147201-MB-A01 (A1) ..
thank you in advance...
(sorry for my bad english)-
Channel: Schematic Requests ONLY!
Yesterday, 11:01 PM -
-
by claws77my laptop has a weird power-on issue.
Once the laptop has been powered on, it can restart/ wake just fine on battery power or Adapter, ONLY If i have not closed the LCD.
If i am running on battery and have closed the LCD (even momentarily). it will not power-on/ wake-up on battery power no matter the battery percentage.
but once i open the LCD and connect it to the adapter (even momentarily) it will wake up gain and I wont experience any issues till i close the LCD.
i do not know where to look for repair.
thank you all for any advice.04-30-2024, 04:36 PM -
by SerbentasHi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16"Yesterday, 07:16 AM -
by gjgibHello, 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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by benwatersonHi 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,...Yesterday, 03:25 AM -
by claws77please provide schematics and board files
google search for part number shows some other laptop versions sf314-XX also use this daughter board.
part number 448.0E706.0011-
Channel: Schematic Requests ONLY!
Today, 02:00 AM -
-
by Issa malikHey everyone, I've had a dead hp g62-b55se for a while that wasn't fixed and i would like to take a look at it... board: 615382-001
-
Channel: Schematic Requests ONLY!
Today, 01:21 AM -
-
by PasglopGood morning
I am encountering a problem on an Asus X421EA card which no longer starts; I checked the voltages, the 5v and 3vd are missing, has anyone encountered this problem, I have been looking for several hours without finding the source of the problem. Thank you!Yesterday, 02:27 AM -
by Sergio KubHi there,
I have a Mac on the bench that wouldn't turn on, it didn't have PPBUS_G3H voltage.
I replaced the IC U7000, ISL6259 and the green light came on, the cooler turned on and showed the video, but I noticed that PPBUS_G3H is at 9.45V and the U7000 is heating up a lot.
I took resistance measurements for the earth and did not find a short circuit.
I measured the resistors connected to the U7000 and found no different value.
I searched the Forum and didn't find anything like this.
Can anyone give me any advice about this problem?
Thanks in advance.Yesterday, 02:00 PM -
by BloopetaSamsung UE55JU6800K with no image on screen.
I have had this TV many years without fault, however aprox 6 months ago I fitted a new set of backlights as some of the lens caps had fallen off.
Was working fine, until 3 days ago, when watching TV the screen just went blank (still illuminated)
I turned the TV off and left it around 12 hours, and when turned it on again it seemed to work perfectly again. After around 45 mins the screen went blank again.
Left it off overnight and turned it on, and the Smart TV logo came on as normal, then screen went blank.
...Yesterday, 10:42 AM -
by mrgumshotHi all,
I've got a Lenovo ideapad gaming 3 15IMH05 with a black screen issue. I've tried a BIOS file which i saw in another post and changed some things in a Hex editor.
So i transfered the DMI info from my original BIOS to the one i got from the post. Flashed it to the chip and the laptop was booting again but very slow post.
After a couple of boots it went back to black screen again. Tried to flash the same BIN file on it which i used before but its staying at the black screen now unfortunately.
I hope someone can help me out. Attached is my [B]ORIGINAL...-
Channel: BIOS Requests ONLY!
05-02-2024, 12:18 PM -
-
by SerbentasHi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16" M1) not detecting battery. Battery sign has cross. However it works from battery but not charging and reporting incorrect data like charge remaining.
Any one any ideas please? Also fans are high/full speed
Hi,
[B]820-02382 [/B](MacBook A2485 16"Yesterday, 07:16 AM -
by lwc198I have tried different ways to do it myself but failing
Its a Elite DragonFly
SN: 5CG1120KDW
Product number
6FW22AV
Any help would be appreciated...-
Channel: BIOS Requests ONLY!
Yesterday, 09:22 AM -
-
by JosuereparaDoes anyone have a 2twtt$ja bios. it's 1mb pls
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Channel: BIOS Requests ONLY!
05-02-2024, 07:20 PM -