Badcaps Electronics Repair Forum & Schematic Search

Directory

Topics

Posts

Last Post

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: 235 Posts: 42,487

Last Post: New Members - please post your introductions here

235

42,487

New Members - please post your introductions here

by tarek gouadma

Today, 05:31 AM

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: 2 Posts: 5

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: 3,194 Posts: 32,736

Last Post: How can I test non-polarized capacitor?

3,194

32,736

How can I test non-polarized capacitor?

by chth96

Yesterday, 08:38 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: 4,507 Posts: 74,893

Last Post: Copy-protected DVDs

4,507

74,893

Copy-protected DVDs

by stj

Today, 05:21 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: 3,994 Posts: 44,518

Last Post: Need someone to look picture to say if this is normal or not [Uploaded in post]

3,994

44,518

Need someone to look picture to say if this is normal or not [Uploaded in post]

by stj

Today, 04:55 AM

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: 37,713

Last Post: Graphics card Schematics and Boardviews

6,889

37,713

Graphics card Schematics and Boardviews

by Ruslan Slegin

Yesterday, 08:55 AM

Sub-Forums:

BIOS & Schematic Requests! (2,722/16,538)

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

502

5,457

4G LTE router sim socket replacement

by mrsdsdsdsd

Yesterday, 02:28 PM

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: 308,753

Last Post: Need clevo 6-71-nh5k0-d02a schematic or boardwiev

32,270

308,753

Need clevo 6-71-nh5k0-d02a schematic or boardwiev

by canali

Today, 04:24 AM

Sub-Forums:

BIOS Requests ONLY! (12,864/156,011)

Schematic Requests ONLY! (4,815/28,867)

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

5,332

75,746

Dell U3011 no display after a few minutes

by Andre_

Yesterday, 02:27 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: 27,505 Posts: 375,302

Last Post: Rca RWOSU7047 No Picture

27,505

375,302

Rca RWOSU7047 No Picture

by Helikvar

Today, 04:24 AM

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: 65,349

Last Post: Omega MML200 Coutant Lambda PSU repair

4,196

65,349

Omega MML200 Coutant Lambda PSU repair

by Crystaleyes

Today, 05:27 AM

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: 306 Posts: 1,687

Last Post: Bios Canon mg 6853

306

1,687

Bios Canon mg 6853

by Santana26

Today, 03:33 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: 2,343 Posts: 27,606

Last Post: Marshall Stanmore II voice with the google assistant built-in

2,343

27,606

Marshall Stanmore II voice with the google assistant built-in

by yajdeeks

Yesterday, 11:44 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: 226 Posts: 3,952

Last Post: Xiaomi Roidmi EVE Pro battery died!

226

3,952

Xiaomi Roidmi EVE Pro battery died!

by Amironox

05-28-2024, 09:47 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: 1,018 Posts: 10,950

Last Post: Dremel 8220 turns on when it feels like it

1,018

10,950

Dremel 8220 turns on when it feels like it

by CapLeaker

Today, 04:20 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: 1,382 Posts: 19,499

Last Post: Making a Handskit hot air station a bit less stupid

1,382

19,499

Making a Handskit hot air station a bit less stupid

by stj

Yesterday, 01:58 PM

Mark Channels Read

Omega MML200 Coutant Lambda PSU repair

by Crystaleyes

Hi all.

Recently I picked up a vintage HP 37717B communications analyzer which uses one of these MML200 Coutant power supplies. Needless to say the PSU is not working, and surprisingly there is apparently nothing available on the web regarding repairing one of these. No stories, no schematics, zilch!
There[I] are [/I]however many companies offering repair 'services', however I don't have the luxury of sending it off, so am intending to do the repair myself.

I admit right now that I am no expert on smps repair, although I do have a grasp on the principle of the general...

5 Photos
- Channel: Troubleshooting Power Supplies and Power Supply Design
05-29-2024, 08:23 PM
new (old) scope

by stj

Metrix OX-8627
100Mhz dual-trace digital storage CRT scope.
all controls are digital and it has full remote via IEE488 bus

very fucking rare and hard to find any info on

some pics after a recap using about 90 new caps!!
[ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3282614}[/ATTACH] [ATTACH=JSON]{"data-align":"none","data-size":"medium","data-attachmentid":3282618}[/ATTACH] [ATTACH=JSON]{"data-align":"...
- Channel: General Computer & Tech Discussion
Yesterday, 08:47 AM
HP Victus 16-r0051nc BIOS F.14

by petermanhony

Hello, is it possible to unlock the BIOS and see whether there is an option to automatically turn on when power detected?...
- Channel: BIOS Requests ONLY!
Today, 02:42 AM
BOARD VIEW FOR MS-7D42 VER 1.1 BOARDVIEW

by mo000

HI
i need boardview for msi b660 ms-7d42 because some components are missing behind pch (resistors and capacitors ) the motherboard just stop on yellow dram light...
- Channel: BIOS & Schematic Requests!
06-01-2024, 01:04 PM
Find owner of MacBook air with icloud lock

by Juan Carlos Medina Franca

Is there a way to find out who owns the original email on a macbook air M1 locked with icloud?

1 Photo
- Channel: General Computer & Tech Discussion
Yesterday, 09:18 AM
Need someone to look picture to say if this is normal or not [Uploaded in post]

by Omron

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...
- Channel: General Electronics Technical Discussion
Yesterday, 03:09 AM
Hp pavilion 14 - No display

by Nagyesz

Hi all,
Model: HP Pavilion 14-ce3010nh 8BV97EA
Board number: DAG7ALMB8C0 - G7AL REV C
Issue: I have an HP Pavilion 14-ce3010nh 8BV97EA laptop. When plugged into the charger, it turns on, but there is no display, the fans do not run, and the processor gets slightly warm. Unfortunately, I haven't been able to figure out what the problem is. I've reflashed the BIOS twice without any success. No post. Already tried out with another ram stick with no luck

I measured the voltage with the HP turned on in red, and I measured their resistance with the HP turned off in green....
- Channel: Troubleshooting Laptops, Tablets, and Mobile Devices
05-30-2024, 04:10 AM
Please help! Need bios: Asus G532LWS-AZ137T (Motherboard: g532lws rev.1.3)

by PCR Service

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-MB8100,130,3C7C3F5C2361
- Channel: BIOS Requests ONLY!
Today, 02:32 AM
Rca RWOSU7047 No Picture

by Helikvar

Tv powers on and has backlights but no picture.All voltages from power supply to main board are correct.

4 Photos
- Channel: Troubleshooting TVs and Video Sources
Yesterday, 09:45 PM
Acer aspire z3-705 14127-1 bios need. plz anybody help

by mactouch

No display problem .
Acer aspire z3-705
Bristol23-HSW U MB
14127-1
348.03603.0011
i3-5005u
- Channel: BIOS & Schematic Requests!
Yesterday, 09:52 AM

Please help! Need bios: Asus G532LWS-AZ137T (Motherboard: g532lws rev.1.3)

by PCR Service

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-MB8100,130,3C7C3F5C2361
- Channel: BIOS Requests ONLY!
Today, 02:32 AM
HP Victus 16-r0051nc BIOS F.14

by petermanhony

Hello, is it possible to unlock the BIOS and see whether there is an option to automatically turn on when power detected?...
- Channel: BIOS Requests ONLY!
Today, 02:42 AM
Pioneer PN50951-22U Backlight On, No Image

by x_orange90_x

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...
- Channel: Troubleshooting TVs and Video Sources
06-01-2024, 08:55 PM
LG 65UQ7050ZUD No Picture Backlight On

by ChattFix

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...
- Channel: Troubleshooting TVs and Video Sources
Yesterday, 12:10 PM
Bios Canon mg 6853

by Santana26

i, need dump of printer canon pixma 6853
QM7-4414

1 Photo
- Channel: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices
Today, 03:33 AM
Samsung UN55TU700DFXZA Distorted Picture

by ChattFix

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....
- Channel: Troubleshooting TVs and Video Sources
Yesterday, 03:50 PM
Need someone to look picture to say if this is normal or not [Uploaded in post]

by Omron

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...
- Channel: General Electronics Technical Discussion
Yesterday, 03:09 AM
How can I test non-polarized capacitor?

by chth96

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,...
- Channel: General Capacitor Questions & Issues
Yesterday, 07:31 PM
Rca RWOSU7047 No Picture

by Helikvar

Tv powers on and has backlights but no picture.All voltages from power supply to main board are correct.

4 Photos
- Channel: Troubleshooting TVs and Video Sources
Yesterday, 09:45 PM
Acer aspire z3-705 14127-1 bios need. plz anybody help

by mactouch

No display problem .
Acer aspire z3-705
Bristol23-HSW U MB
14127-1
348.03603.0011
i3-5005u
- Channel: BIOS & Schematic Requests!
Yesterday, 09:52 AM

Announcement

Badcaps Electronics Repair Forum & Schematic Search

What's Going On?

Badcaps Statistics

Latest Topics

Trending

Announcement

Badcaps Electronics Repair Forum & Schematic Search

What's Going On?

Badcaps Statistics

Latest Topics

Tag Cloud

Trending