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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.

Topics: 45 Posts: 733

Last Post: What's the ideal operating temp for capacitors?

733

What's the ideal operating temp for capacitors?

by Thermaltake

04-16-2024, 04:04 AM

Announcements & Related News

Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!

Topics: 236 Posts: 42,213

Last Post: New Members - please post your introductions here

236

42,213

New Members - please post your introductions here

by kisakistrike

Today, 10:14 PM

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

ncp81208 datasheet

by BAKEEL1990

05-01-2024, 05:24 AM

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: 3,190 Posts: 32,711

Last Post: Greetings all. Blew a cap off and don't know the value of it

3,190

32,711

Greetings all. Blew a cap off and don't know the value of it

by Kurgan77

05-14-2024, 12:15 PM

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: 4,503 Posts: 74,874

Last Post: Need help DDR5 SPD got corrupted

4,503

74,874

Need help DDR5 SPD got corrupted

by code9523

Today, 06:39 AM

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: 3,983 Posts: 44,451

Last Post: Biomass Boiler not driving cleaner motor relay. ENERTRES BIOMASA BI-650

3,983

44,451

Biomass Boiler not driving cleaner motor relay. ENERTRES BIOMASA BI-650

by sam_sam_sam

Today, 07:56 PM

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: 6,854 Posts: 37,512

Last Post: Gigabyte h61m-ds2 rev 3.0 bios bin file

6,854

37,512

Gigabyte h61m-ds2 rev 3.0 bios bin file

by The Mum It

Today, 10:39 PM

Sub-Forums:

BIOS & Schematic Requests! (2,703/16,424)

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: 5,455

Last Post: Fortinet 50E Slowing down internet throughput

501

5,455

Fortinet 50E Slowing down internet throughput

by CapLeaker

05-12-2024, 09:21 AM

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: 32,076 Posts: 306,537

Last Post: Help Needed: Schematic for Asus X415MA R3.0 Boardview & Scematic

32,076

306,537

Help Needed: Schematic for Asus X415MA R3.0 Boardview & Scematic

by Charles24

Today, 03:15 PM

Sub-Forums:

BIOS Requests ONLY! (12,790/154,655)

Schematic Requests ONLY! (4,777/28,677)

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: 5,328 Posts: 75,728

Last Post: Looking for help with a Viewsonic VP230mb where the backlight comes on only momentarily

5,328

75,728

Looking for help with a Viewsonic VP230mb where the backlight comes on only momentarily

by lostone

Today, 06:53 PM

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: 27,480 Posts: 375,087

Last Post: Samsung UN65KS8000 wont boot, restarts, display damage 💔 Worth a shot?

27,480

375,087

Samsung UN65KS8000 wont boot, restarts, display damage 💔 Worth a shot?

by Storyteller12

Today, 07:13 PM

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: 4,189 Posts: 65,285

Last Post: Welder not turning on - Learning

4,189

65,285

Welder not turning on - Learning

by CapLeaker

Today, 05:30 PM

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: 304 Posts: 1,675

Last Post: Canon printhead eeprom chip identification, and find pinout

304

1,675

Canon printhead eeprom chip identification, and find pinout

by Lerkor80913

Yesterday, 05:18 PM

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: 2,334 Posts: 27,564

Last Post: Pioneer A-205 faint noise/hiss issue

2,334

27,564

Pioneer A-205 faint noise/hiss issue

by GraphicMan

Today, 10:49 PM

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: 227 Posts: 3,952

Last Post: BOSCH Microwave CFA634 error E1006

227

3,952

BOSCH Microwave CFA634 error E1006

by CapLeaker

Today, 07:06 PM

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: 1,007 Posts: 10,906

Last Post: Nintendo Switch emmc failure?

1,007

10,906

Nintendo Switch emmc failure?

by chickenhawk88

Today, 05:44 PM

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: 1,381 Posts: 19,451

Last Post: What are the 2 or 3 most used BGA balls sizes please ?

1,381

19,451

What are the 2 or 3 most used BGA balls sizes please ?

by harp

Today, 03:46 PM

Mark Channels Read

Lenovo Yoga slim 7 13ACN5 Bios dump/Password remove

by Salmus666

Hello
Can somebody help me to clear bios password?
SN:YX03GLMW
Factory ID:HQ006
MB:NB2857_MB_V5_PCB
[ATTACH=JSON]{"alt":"Click image for larger version Name:\timage.png Views:\t0 Size:\t972.8 KB ID:\t3271854","data-align":"none","data-attachmentid":"3271854","data-size":"custom","height":"287","title":"image.png","width":"325"}[/ATTACH]

Thank you Hello
Can somebody help me to clear bios password?
SN:YX03GLMW...
- Channel: BIOS Requests ONLY!
05-15-2024, 11:23 PM
Pioneer A-205 faint noise/hiss issue

by GraphicMan

as the title says, i noticed a faint noise/hiss when there is nothing playing that i dont think i have had with this unit before ever, i have not changed its location
what makes it more weird, this noise is gone almost completely if my hand gets within 5cm or less close to it (close to the panel)!!
out of curiosity what does that mean?
thanks
- Channel: Troubleshooting Audio Equipment
Today, 11:45 AM
Acer Aspire A315-41-R8J9 starts with blank screen, does nothing.

by Ariel Ruiz

Hi, I will appreciate if I can get some advice on my problem.

- I have an Acer Aspire A315-41-R8J9, with Ryzen 5 APU (no GPU).
- The laptop can be started (blue led on) but it shows no picture (blank screen), and it looks to be somewhat active, as the fan spins, and processor gets hot.
- I visually inspected and tested some components, with no obvious issues.
- I disconnected not-essential peripherals.
- When testing PL401, I got sparks, smoke smell, and the Acer logo briefly showed in screen but then shut down.
- I tried to re-flash BIOS from USB (Fn+Esc),...
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
Today, 01:04 PM
15IRH8 - Type 82XV LA-M542P

by trunguntilyou

Need bios,, original bios, full power, no image
s/n: MP2F034V...
- Channel: BIOS Requests ONLY!
05-17-2024, 09:07 PM
BOSCH Microwave CFA634 error E1006

by AlexVG

Hi,
I have Microwave BOSCH CFA634
It runs, but after 10 -15 seconds stops working.
Sometimes it shows error E1006.
I can't find this error explication.
Some people say it's communications error between main and display module.
Probably somebody has an experience with this issue?
Can you help me please?
Thank you an advance....
- Channel: Troubleshooting Appliances and other Household Electronic Stuff
05-17-2024, 05:17 PM
Search BIOS thinkpad e14/e15

by yop_FR

Hello,
I have 2 laptops E14 and one E15 with the same problem: don't turn on (no led) I suspect the bios and I have buy an CH341A.
But now I need a new bios...
I give below the older bios, can you check it please, or give a valid version of BIOS?

I will be very grateful to you

At first, this is the numbs of a e14: 20TA-00EWFR
with a bios chip: Gigadevice GD25Q80
Motherboard: GE4B0/GE5B0 NM-D011

thanks...
- Channel: BIOS Requests ONLY!
05-17-2024, 02:58 PM
Looking for help with a Viewsonic VP230mb where the backlight comes on only momentarily

by lostone

Hello, I came here after finding some similar questions asked on other monitors and hope someone here can help me get an ancient Viewsonic VP230mp (23" 4:3 LCD) back to working condition.

First a little background, I have a background in computer and electrical engineering, and I'm smart enough to know I know nothing about LCD displays and how they work. For this topic I'm as green as they come.
When the display is turned on the viewsonic logo displays in the uppper left for 2 seconds then the screen goes black, the power LED is green (on) and when a computer is connected...
- Channel: Troubleshooting Computer Displays
Today, 11:40 AM
A1706 BIOS

by mon2

Attached.

[ATTACH]n3274113[/ATTACH]...
- Channel: BIOS Requests ONLY!
Today, 05:48 PM
Gigabyte GB-BXBT-1900

by YellowJacket

Greetings, everyone!

Would need some help with this mini PC, the issue is - after turning on, PC starts, but there is no picture on the screen, no reaction on LED in external keyboard. Tested with another known good RAM. All voltages are present. Looks like BIOS issue to me, right? I tried binary from this site --> [URL]https://www.gigabyte.com/Mini-PcBarebone/GB-BXBT-1900-rev-10/support#support-dl-bios[/URL] ( version F9 ), but still same behavior. Note, I flashed only BIN file from that archive. Although, it says "1.0" in the linked site, but I have board with 1.1 revision....
- Channel: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
05-17-2024, 10:17 PM
macbook A1706 820-00239

by PITERPENY

Hello ! The system installs but cannot boot and the screen of death appears.

macbook works in safe mode
after pressing the power button, the system starts to boot after 27 seconds, which is a very long time

1 Photo
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
Yesterday, 06:32 PM

Welder not turning on - Learning

by Olles4

Hello people. I trying to repair my welding machine oerlikon citomig 180mp hpf and there is a little board with blown stuff.The problem is i cant identify the value of the blown resistor and diode. Any suggestion?

4 Photos
- Channel: Troubleshooting Power Supplies and Power Supply Design
Yesterday, 01:22 PM
Mac mini 2018

by Pragmatiko

Hi all, did you solved? I have same identical problem but I have PP5V_G3S 5V

PP1V_PRIM 0V
PP1V2_PRIM 0V

led of Mac Mini is blinking...
- Channel: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
Today, 01:53 AM
BOSCH Microwave CFA634 error E1006

by AlexVG

Hi,
I have Microwave BOSCH CFA634
It runs, but after 10 -15 seconds stops working.
Sometimes it shows error E1006.
I can't find this error explication.
Some people say it's communications error between main and display module.
Probably somebody has an experience with this issue?
Can you help me please?
Thank you an advance....
- Channel: Troubleshooting Appliances and other Household Electronic Stuff
05-17-2024, 05:17 PM
lithium iron battery pack rebuilding kit

by petehall347

i am now being pushed for a list of the best tools for the right price to allow me to rebuild 80v battery packs and the like .someone i do work for has threatened to buy me the kit . so things like automatic cell testing kit with many bays . tab welder and suchlike to enable me to get right on it . and supplies that will be needed like new tabs and single cells .
- Channel: General Electronics Technical Discussion
05-17-2024, 05:09 PM
A1706 short PP3V3_S5

by madjid911

Hi friends,

I have a macbook pro A1706 820-00923-A that won't start no signs of life, no liquid, checking the voltages I found PP3V3_S5 was shorted, I removed all the processor coils, but when I 'injects a voltage it is the processor which reacts, can you confirm to me that this is definitely coming from there please?

I have 20V on the usb-c connector, and 13v stable on ppbus_g3h.
I saw that a track had burned out on PPVIN_2V7NAND_LB after resistor R9350
I injected voltage on L7660 pin 1 in short but only the processor reacts

Thanks for your...
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
Yesterday, 12:33 PM
Looking for help with a Viewsonic VP230mb where the backlight comes on only momentarily

by lostone

Hello, I came here after finding some similar questions asked on other monitors and hope someone here can help me get an ancient Viewsonic VP230mp (23" 4:3 LCD) back to working condition.

First a little background, I have a background in computer and electrical engineering, and I'm smart enough to know I know nothing about LCD displays and how they work. For this topic I'm as green as they come.
When the display is turned on the viewsonic logo displays in the uppper left for 2 seconds then the screen goes black, the power LED is green (on) and when a computer is connected...
- Channel: Troubleshooting Computer Displays
Today, 11:40 AM
Dell Latitude 5430, LA-L591P Computrace setting unlock

by Zibbo

Requesting Dell Latitude 5430, LA-L591P Computrace setting unlock.
- Channel: BIOS Requests ONLY!
10-19-2022, 08:37 AM
Please, remove bios lock for HP Pavilion X360 14-ek0033dx

by trepachka

Hello, I have this HP Pavilion X360 14-ek0033dx laptop with bios lock. I am unable to change drive boot order because of it.
Please, help me remove it.

Model: 14-ek0033dx
S/N# 8CG2272ZB5
ProdID 67W83UA#ABA

Original BIOS file is attached. Thank you....
- Channel: BIOS Requests ONLY!
Yesterday, 08:58 PM
How do I flash bios to an Alienware M16 R1 AMD edition?

by Arc717

I am trying to downgrade my bios on my Alienware so I can undervolt & overclock my CPU, and overclock my ram. I need to get to bios 1.2.2 for this. Dell doesn't allow downgrades, and their bios file is an exe compiled in c++, so I can't decompile it easily. I am wondering if I can flash the bios manually using a usb flasher. I would like to know if this is possible, and if so, where the bios chip would be. I know flashers are pretty cheap and the bios chip is 8-pin. There are two of these chips only when I open the back panel of the laptop. I'm not sure if there are any on the other side of...
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
05-17-2024, 03:34 PM
Search BIOS thinkpad e14/e15

by yop_FR

Hello,
I have 2 laptops E14 and one E15 with the same problem: don't turn on (no led) I suspect the bios and I have buy an CH341A.
But now I need a new bios...
I give below the older bios, can you check it please, or give a valid version of BIOS?

I will be very grateful to you

At first, this is the numbs of a e14: 20TA-00EWFR
with a bios chip: Gigadevice GD25Q80
Motherboard: GE4B0/GE5B0 NM-D011

thanks...
- Channel: BIOS Requests ONLY!
05-17-2024, 02:58 PM

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