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

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: 42,190

Last Post: New Members - please post your introductions here

236

42,190

New Members - please post your introductions here

by OnLine Entertaiment

Today, 01:17 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: 4,500 Posts: 74,870

Last Post: Modify BIOS to non-uefi

4,500

74,870

Modify BIOS to non-uefi

by rogfanther

Yesterday, 01:57 PM

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: 44,433

Last Post: lithium iron battery pack rebuilding kit

3,983

44,433

lithium iron battery pack rebuilding kit

by sam_sam_sam

Today, 01:18 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: 6,851 Posts: 37,482

Last Post: hp 600 g4 ssf bios

6,851

37,482

hp 600 g4 ssf bios

by bilel

Today, 01:21 PM

Sub-Forums:

BIOS & Schematic Requests! (2,702/16,415)

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: 32,065 Posts: 306,372

Last Post: dell inspiron 7380 no display

32,065

306,372

dell inspiron 7380 no display

by dahnking

Today, 02:38 AM

Sub-Forums:

BIOS Requests ONLY! (12,786/154,519)

Schematic Requests ONLY! (4,775/28,657)

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: 5,327 Posts: 75,728

Last Post: Acer predator XB241YU Component identification

5,327

75,728

Acer predator XB241YU Component identification

by SMDFlea

Today, 04:47 AM

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: 27,479 Posts: 375,068

Last Post: Sencor SLE 40F82M4 - not turning on - Learning

27,479

375,068

Sencor SLE 40F82M4 - not turning on - Learning

by Olles4

Today, 01:40 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: 65,266

Last Post: Welder not turning on - Learning

4,189

65,266

Welder not turning on - Learning

by Olles4

Today, 01:22 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: 1,674

Last Post: i need dump for printer canon G3430

304

1,674

i need dump for printer canon G3430

by aboumohamed

Yesterday, 04:12 AM

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: 2,333 Posts: 27,555

Last Post: Uniden bearcat UBC 360clt no sound output

2,333

27,555

Uniden bearcat UBC 360clt no sound output

by CapLeaker

Today, 08:41 AM

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: 3,944

Last Post: BOSCH Microwave CFA634 error E1006

227

3,944

BOSCH Microwave CFA634 error E1006

by CapLeaker

Today, 11:17 AM

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: 10,898

Last Post: playstation 5 digital firmware dump

1,007

10,898

playstation 5 digital firmware dump

by wsewsad

Yesterday, 10:56 AM

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: 19,447

Last Post: Quecoo T12-958 soldering station - INVER error?

1,381

19,447

Quecoo T12-958 soldering station - INVER error?

by spleenharvester

Today, 10:33 AM

Mark Channels Read

Help finding part number

by chickenhawk88
I need help trying to figure out these components.[LIST=1][*]There is large “Q” almost looks like Qualcomm, FA7808 or FA7608, 2039CC[*]This chip has marking of VE with 5 pins.[*]This chip has marking eHCSN.[/LIST]
Thanks for helping. Im trying to fix laptop motherboard and not having much luck.
1. I need help trying to figure out these components.[LIST=1]
2. There is large “Q” almost looks like Qualcomm, FA7808 or FA7608, 2039CC
3. This chip has marking of VE with 5 pins.
4. This chip has marking eHCSN.[/LIST]
  Thanks for helping. Im trying to fix laptop motherboard and
2 Photos
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
05-14-2024, 04:00 PM
Sencor SLE 40F82M4 - not turning on - Learning

by Olles4

Hello people. I trying to repair my Sencor TV. No standby light, not tuning on what i found there is 6V where 12V should be and 8V where 16V should be. Any suggestion?

3 Photos
- Channel: Troubleshooting TVs and Video Sources
Today, 01:40 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
Today, 12:33 PM
la f401p not charging battery

by RichBon

i have these la - f401p motherboard that i am working on. the problem is that it does not charge the battery up it only shows its charging but does not go up. attached is the picture of how it looks. can anyone help me.

1 Photo
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
05-16-2024, 06:21 AM
Asus fx516pm administrator password

by bogdan2390

I have original dump BIOS which is attached.
I wrote another dump on the chip found on this forum and now can enter bios as user mode, but it still has an administrator password and cant change settings in BIOS. How to remove it? Thanks....
- Channel: BIOS Requests ONLY!
Today, 06:36 AM
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
Today, 01:22 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
Yesterday, 05:09 PM
HP adapter for Dell monitor

by paparazzo79

Hi guys.
I got myself used Dell 27" touch monitor but I got scammed again, seller sent HP adapter.
Though voltages are the same, I suppose power supply design is not the same.
So may I use it without any harm to the monitor?...
- Channel: Troubleshooting Computer Displays
Yesterday, 05:40 AM
Dell Latitude 9510 Bios Password With 8FC8 Suffix

by skinner

Looking for some help with a bios password. Any help would be appreciated.

Dell Latitude 9410
Service Tag - H803043
Board - LA-J541P REV 1.0...
- Channel: BIOS Requests ONLY!
Yesterday, 04:02 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
Yesterday, 05:17 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
Yesterday, 05:17 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
Today, 01:22 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
Today, 12:33 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
Yesterday, 03:34 PM
Asus fx516pm administrator password

by bogdan2390

I have original dump BIOS which is attached.
I wrote another dump on the chip found on this forum and now can enter bios as user mode, but it still has an administrator password and cant change settings in BIOS. How to remove it? Thanks....
- Channel: BIOS Requests ONLY!
Today, 06:36 AM
MSI MS-15811 need resistor value

by duranayar

Hello. If anyone has it and can measure 2 resistors next to the battery integrated circuit, I would be very grateful.
...

2 Photos
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
Today, 03:50 AM
Schematics & Boardview for Thinkpad T14 gen 3 AMD (NM-E441 rev1.0)

by Arenz

Hi,

Here's the schematics and boardview for the T14 gen 3....
- Channel: Schematic Requests ONLY!
Today, 08:42 AM
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!
Yesterday, 02:58 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
Yesterday, 05:09 PM
Battery not charging in ASUS G532LWS Motherboard -> BQ24780S

by cope

Hi everyone,

I have been working on a no power issue with my personal ASUS gaming laptop. It went dead a few months ago.

Some history:

Since then, I've found a blown mosfet on the GPU line which I replaced. It started up without a battery, then when I added the battery back it wouldn't start up again.

As a result, there were some blown components around the BQ chip. (The BQ chip itself - BQ24780S, the low side battery mosfet (shorted), and a resistor -> all replaced)

Now, with a new battery the system will start up and run off...
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
05-13-2024, 09:40 AM

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